{"id":82656,"date":"2024-12-18T17:08:27","date_gmt":"2024-12-18T10:08:27","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=82656"},"modified":"2026-04-03T09:44:41","modified_gmt":"2026-04-03T02:44:41","slug":"cau-hoi-phong-van-react-native","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/","title":{"rendered":"Top 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native th\u01b0\u1eddng g\u1eb7p nh\u1ea5t"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/#React_Native_Developer_la_ai_Vai_tro_cua_React_Native_Developer_la_gi\" >React Native Developer l\u00e0 ai? Vai tr\u00f2 c\u1ee7a React Native Developer l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/#Cau_hoi_phong_van_React_Native_co_ban\" >C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native c\u01a1 b\u1ea3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/#Cau_hoi_phong_van_React_Native_ve_thiet_ke_va_cau_truc_ung_dung\" >C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 c\u1ea5u tr\u00fac \u1ee9ng d\u1ee5ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/#Cau_hoi_phong_van_React_Native_ve_cac_thanh_phan_giao_dien_UI_Components\" >C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n (UI Components)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/#Cau_hoi_phong_van_React_Native_ve_xu_ly_du_lieu_va_API\" >C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 x\u1eed l\u00fd d\u1eef li\u1ec7u v\u00e0 API<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/#Cau_hoi_phong_van_React_Native_ve_tich_hop_Native_Modules_va_Native_Code\" >C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 t\u00edch h\u1ee3p Native Modules v\u00e0 Native Code<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/#Cau_hoi_phong_van_React_Native_ve_kiem_thu_Testing\" >C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 ki\u1ec3m th\u1eed (Testing)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/#Cau_hoi_phong_van_React_Native_ve_hieu_suat_va_toi_uu_hoa\" >C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 t\u1ed1i \u01b0u h\u00f3a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/#Cau_hoi_phong_van_React_Native_ve_cong_cu_va_thu_vien_ho_tro\" >C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/#Tong_ket_cau_hoi_phong_van_React_Native\" >T\u1ed5ng k\u1ebft c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><em><strong>B\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native ph\u1ed5 bi\u1ebfn d\u00e0nh cho l\u1eadp tr\u00ecnh vi\u00ean React Native, gi\u00fap hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt quan tr\u1ecdng m\u00e0 c\u00e1c \u1ee9ng vi\u00ean c\u1ea7n n\u1eafm v\u1eefng. T\u1eeb vi\u1ec7c tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn Redux, API, async\/await, cho \u0111\u1ebfn vi\u1ec7c gi\u1ea3i th\u00edch c\u00e1c kh\u00e1i ni\u1ec7m nh\u01b0 Metro Bundler hay TurboModules, c\u00e1c c\u00e2u h\u1ecfi n\u00e0y kh\u00f4ng ch\u1ec9 ki\u1ec3m tra kh\u1ea3 n\u0103ng n\u1eafm v\u1eefng c\u00f4ng ngh\u1ec7 m\u00e0 c\u00f2n \u0111\u00e1nh gi\u00e1 c\u00e1ch th\u1ee9c gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 v\u00e0 t\u01b0 duy logic c\u1ee7a c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean React Native.<\/strong><\/em><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u th\u00eam v\u1ec1:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">C\u00e2u\u00a0h\u1ecfi ph\u1ecfng v\u1ea5n React Native c\u01a1 b\u1ea3n v\u1ec1 React Native\u00a0<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e2u\u00a0h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 c\u1ea5u tr\u00fac \u1ee9ng d\u1ee5ng<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e2u\u00a0h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n\u00a0<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e2u\u00a0h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 x\u1eed l\u00fd d\u1eef li\u1ec7u v\u00e0 API<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e2u\u00a0h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 t\u00edch h\u1ee3p Native Modules v\u00e0 Native Code\u00a0<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e2u\u00a0h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 ki\u1ec3m th\u1eed\u00a0<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e2u\u00a0h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 t\u1ed1i \u01b0u ho\u00e1<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e2u\u00a0h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-react-native-developer-la-ai-vai-tro-c\u1ee7a-react-native-developer-la-gi\"><span class=\"ez-toc-section\" id=\"React_Native_Developer_la_ai_Vai_tro_cua_React_Native_Developer_la_gi\"><\/span><strong>React Native Developer l\u00e0 ai? Vai tr\u00f2 c\u1ee7a React Native Developer l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh vi\u00ean React Native l\u00e0 nh\u1eefng chuy\u00ean gia trong vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng \u0111a n\u1ec1n t\u1ea3ng, cho ph\u00e9p t\u1ea1o ra s\u1ea3n ph\u1ea9m ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 tr\u00ean c\u1ea3 iOS v\u00e0 Android. V\u1edbi vai tr\u00f2 n\u00e0y, l\u1eadp tr\u00ecnh vi\u00ean c\u1ea7n c\u00f3 ki\u1ebfn th\u1ee9c v\u1eefng v\u00e0ng v\u1ec1 JavaScript v\u00e0 React, hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 h\u1ec7 sinh th\u00e1i React Native, v\u00e0 n\u1eafm b\u1eaft c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n nh\u01b0 state management, navigation, v\u00e0 API integration.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, kh\u1ea3 n\u0103ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1, t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t, v\u00e0 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng c\u0169ng l\u00e0 nh\u1eefng k\u1ef9 n\u0103ng quan tr\u1ecdng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 th\u00e0nh c\u00f4ng, l\u1eadp tr\u00ecnh vi\u00ean React Native kh\u00f4ng ch\u1ec9 c\u1ea7n k\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh t\u1ed1t m\u00e0 c\u00f2n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c nh\u00f3m, t\u01b0 duy s\u00e1ng t\u1ea1o v\u00e0 kh\u1ea3 n\u0103ng giao ti\u1ebfp hi\u1ec7u qu\u1ea3 trong vi\u1ec7c gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c c\u00f4ng ngh\u1ec7 v\u00e0 ph\u1ed1i h\u1ee3p v\u1edbi c\u00e1c th\u00e0nh vi\u00ean kh\u00e1c trong d\u1ef1 \u00e1n.<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/tong-quan-react-native-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>React Native: Chi ti\u1ebft React Native l\u00e0 g\u00ec v\u00e0 C\u00e1ch s\u1eed d\u1ee5ng A-Z<\/strong><\/a><\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-react-native-c\u01a1-b\u1ea3n\"><span class=\"ez-toc-section\" id=\"Cau_hoi_phong_van_React_Native_co_ban\"><\/span><strong>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native c\u01a1 b\u1ea3n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-react-native-la-gi-di\u1ec3m-khac-bi\u1ec7t-chinh-gi\u1eefa-react-native-va-react-js\"><strong>React Native l\u00e0 g\u00ec? \u0110i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa React Native v\u00e0 React.js?<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">React Native l\u00e0 m\u1ed9t framework m\u00e3 ngu\u1ed3n m\u1edf \u0111\u01b0\u1ee3c Facebook ph\u00e1t tri\u1ec3n, cho ph\u00e9p c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng cho c\u1ea3 hai n\u1ec1n t\u1ea3ng iOS v\u00e0 Android b\u1eb1ng JavaScript v\u00e0 React.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a React Native l\u00e0 kh\u1ea3 n\u0103ng t\u1ea1o ra \u1ee9ng d\u1ee5ng mobile s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n g\u1ed1c (native components), gi\u00fap \u1ee9ng d\u1ee5ng c\u00f3 hi\u1ec7u su\u1ea5t v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng g\u1ea7n gi\u1ed1ng nh\u01b0 m\u1ed9t \u1ee9ng d\u1ee5ng native.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa React Native v\u00e0 React.js:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Ti\u00eau ch\u00ed&nbsp;<\/strong><\/td><td><strong>React Native<\/strong><\/td><td><strong>React.js<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng<\/span><\/td><td><span style=\"font-weight: 400;\">Ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng (iOS v\u00e0 Android).<\/span><\/td><td><span style=\"font-weight: 400;\">Ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng web.<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Th\u00e0nh ph\u1ea7n UI<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n native nh\u01b0 <\/span><span style=\"font-weight: 400;\">View<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">Text<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">Image<\/span><span style=\"font-weight: 400;\">.<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n web nh\u01b0 <\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">span<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">img<\/span><span style=\"font-weight: 400;\">.<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng m\u00e3 ngu\u1ed3n<\/span><\/td><td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng nhi\u1ec1u m\u00e3 ngu\u1ed3n gi\u1eefa c\u00e1c n\u1ec1n t\u1ea3ng di \u0111\u1ed9ng.<\/span><\/td><td><span style=\"font-weight: 400;\">Ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng web v\u00e0 kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi \u1ee9ng d\u1ee5ng mobile.<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (UI)<\/span><\/td><td><span style=\"font-weight: 400;\">T\u1ea1o giao di\u1ec7n native v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n native UI.<\/span><\/td><td><span style=\"font-weight: 400;\">T\u1ea1o giao di\u1ec7n tr\u00ean web s\u1eed d\u1ee5ng HTML v\u00e0 CSS.<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <\/span><span style=\"font-weight: 400;\">Expo<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">React Native CLI<\/span><span style=\"font-weight: 400;\">.<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">Webpack<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">Babel<\/span><span style=\"font-weight: 400;\">, v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c cho web.<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t<\/span><\/td><td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi \u1ee9ng d\u1ee5ng native.<\/span><\/td><td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o tr\u00ecnh duy\u1ec7t v\u00e0 JavaScript engine.<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng truy c\u1eadp ph\u1ea7n c\u1ee9ng<\/span><\/td><td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 truy c\u1eadp d\u1ec5 d\u00e0ng v\u00e0o ph\u1ea7n c\u1ee9ng nh\u01b0 m\u00e1y \u1ea3nh, GPS.<\/span><\/td><td><span style=\"font-weight: 400;\">Truy c\u1eadp ph\u1ea7n c\u1ee9ng h\u1ea1n ch\u1ebf, c\u1ea7n s\u1eed d\u1ee5ng API c\u1ee7a tr\u00ecnh duy\u1ec7t.<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cac-l\u1ee3i-ich-c\u1ee7a-vi\u1ec7c-s\u1eed-d\u1ee5ng-react-native-cho-phat-tri\u1ec3n-\u1ee9ng-d\u1ee5ng-mobile\"><strong>C\u00e1c l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng React Native cho ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng mobile?<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u1ee3i \u00edch n\u1ed5i b\u1eadt c\u1ee7a React Native m\u00e0 \u1ee9ng vi\u00ean c\u00f3 th\u1ec3 nh\u1ea5n m\u1ea1nh:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\"><strong>Ph\u00e1t tri\u1ec3n \u0111a n\u1ec1n t\u1ea3ng (Cross-platform)<\/strong>: React Native cho ph\u00e9p ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng c\u00f9ng l\u00fac cho c\u1ea3 iOS v\u00e0 Android ch\u1ec9 v\u1edbi m\u1ed9t m\u00e3 ngu\u1ed3n duy nh\u1ea5t. \u0110i\u1ec1u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c khi kh\u00f4ng c\u1ea7n ph\u1ea3i vi\u1ebft m\u00e3 ri\u00eang cho t\u1eebng n\u1ec1n t\u1ea3ng, t\u1eeb \u0111\u00f3 t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>Ti\u1ebft ki\u1ec7m chi ph\u00ed ph\u00e1t tri\u1ec3n<\/strong>: Do s\u1eed d\u1ee5ng chung m\u1ed9t m\u00e3 ngu\u1ed3n, chi ph\u00ed ph\u00e1t tri\u1ec3n v\u00e0 b\u1ea3o tr\u00ec \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u \u0111\u00e1ng k\u1ec3. \u0110i\u1ec1u n\u00e0y r\u1ea5t h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi c\u00e1c startup ho\u1eb7c c\u00e1c c\u00f4ng ty c\u00f3 ng\u00e2n s\u00e1ch h\u1ea1n ch\u1ebf.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>Hi\u1ec7u su\u1ea5t g\u1ea7n nh\u01b0 \u1ee9ng d\u1ee5ng g\u1ed1c (Near-native performance)<\/strong>: React Native cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u1ed1t v\u00e0 g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi \u1ee9ng d\u1ee5ng native nh\u1edd v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n UI native c\u1ee7a iOS v\u00e0 Android. C\u00e1c \u1ee9ng d\u1ee5ng x\u00e2y d\u1ef1ng b\u1eb1ng React Native th\u01b0\u1eddng ch\u1ea1y m\u01b0\u1ee3t m\u00e0 v\u00e0 \u0111\u00e1p \u1ee9ng t\u1ed1t, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>C\u1ed9ng \u0111\u1ed3ng l\u1edbn v\u00e0 h\u1ec7 sinh th\u00e1i phong ph\u00fa<\/strong>: React Native c\u00f3 m\u1ed9t c\u1ed9ng \u0111\u1ed3ng l\u1edbn m\u1ea1nh v\u00e0 h\u1ec7 sinh th\u00e1i phong ph\u00fa v\u1edbi nhi\u1ec1u th\u01b0 vi\u1ec7n, c\u00f4ng c\u1ee5 v\u00e0 t\u00e0i nguy\u00ean h\u1ed7 tr\u1ee3. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n d\u1ec5 d\u00e0ng t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p cho c\u00e1c v\u1ea5n \u0111\u1ec1 h\u1ecd g\u1eb7p ph\u1ea3i v\u00e0 h\u1ecdc h\u1ecfi t\u1eeb c\u00e1c kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>C\u1eadp nh\u1eadt d\u1ec5 d\u00e0ng v\u1edbi Hot Reloading<\/strong>: T\u00ednh n\u0103ng Hot Reloading cho ph\u00e9p nh\u00e0 ph\u00e1t tri\u1ec3n c\u1eadp nh\u1eadt v\u00e0 xem ngay nh\u1eefng thay \u0111\u1ed5i trong m\u00e3 ngu\u1ed3n m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i bi\u00ean d\u1ecbch l\u1ea1i to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian ph\u00e1t tri\u1ec3n.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>Kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p v\u1edbi m\u00e3 native<\/strong>: Trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng \u0111\u1eb7c th\u00f9 c\u1ee7a thi\u1ebft b\u1ecb ho\u1eb7c hi\u1ec7u su\u1ea5t cao h\u01a1n, React Native cho ph\u00e9p t\u00edch h\u1ee3p m\u00e3 native (Java, Swift, ho\u1eb7c Objective-C) v\u00e0o d\u1ef1 \u00e1n. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p s\u1ef1 linh ho\u1ea1t cao h\u01a1n khi ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-so-sanh-gi\u1eefa-react-native-va-cac-framework-khac-nh\u01b0-flutter-xamarin\"><strong>So s\u00e1nh gi\u1eefa React Native v\u00e0 c\u00e1c framework kh\u00e1c nh\u01b0 Flutter, Xamarin<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y ph\u00e2n t\u00edch s\u1ef1 kh\u00e1c nhau gi\u1eefa React Native v\u00e0 c\u00e1c Framework kh\u00e1c:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>N\u1ec1n t\u1ea3ng<\/strong><\/td><td><strong>React Native<\/strong><\/td><td><strong>Flutter&nbsp;<\/strong><\/td><td><strong>Xamarin<\/strong><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Ng\u00f4n ng\u1eef s\u1eed d\u1ee5ng<\/span><\/td><td><span style=\"font-weight: 400;\">JavaScript (React)<\/span><\/td><td><span style=\"font-weight: 400;\">Dart<\/span><\/td><td><span style=\"font-weight: 400;\">C#<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t<\/span><\/td><td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t t\u1ed1t nh\u01b0ng ph\u1ee5 thu\u1ed9c v\u00e0o bridge gi\u1eefa JavaScript v\u00e0 native<\/span><\/td><td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t cao, ch\u1ea1y m\u00e3 native nh\u1edd v\u00e0o Dart v\u00e0 engine Skia<\/span><\/td><td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t t\u1ed1t, h\u1ed7 tr\u1ee3 native v\u00e0 Xamarin.Forms<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Th\u1eddi gian ph\u00e1t tri\u1ec3n<\/span><\/td><td><span style=\"font-weight: 400;\">Nhanh, c\u1ed9ng \u0111\u1ed3ng l\u1edbn, nhi\u1ec1u th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3<\/span><\/td><td><span style=\"font-weight: 400;\">T\u01b0\u01a1ng \u0111\u1ed1i nhanh, nh\u01b0ng h\u1ecdc Dart c\u1ea7n th\u1eddi gian<\/span><\/td><td><span style=\"font-weight: 400;\">Nhanh, t\u00edch h\u1ee3p t\u1ed1t v\u1edbi h\u1ec7 sinh th\u00e1i c\u1ee7a Microsoft<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">UI\/UX<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n native, UI th\u00e2n thi\u1ec7n, d\u1ec5 t\u00f9y ch\u1ec9nh<\/span><\/td><td><span style=\"font-weight: 400;\">Cung c\u1ea5p c\u00e1c widget t\u00f9y ch\u1ec9nh, UI nh\u1ea5t qu\u00e1n tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng Xamarin.Forms ho\u1eb7c native UI tu\u1ef3 ch\u1ec9nh<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">T\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa n\u1ec1n t\u1ea3ng<\/span><\/td><td><span style=\"font-weight: 400;\">T\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t, nh\u01b0ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh cho t\u1eebng n\u1ec1n t\u1ea3ng<\/span><\/td><td><span style=\"font-weight: 400;\">Cao, h\u1ea7u h\u1ebft c\u00e1c t\u00ednh n\u0103ng gi\u1ed1ng nhau tr\u00ean iOS v\u00e0 Android<\/span><\/td><td><span style=\"font-weight: 400;\">T\u1ed1t v\u1edbi Xamarin.Forms, nh\u01b0ng c\u00f3 th\u1ec3 g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1edbi native<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/span><\/td><td><span style=\"font-weight: 400;\">T\u1ed1t, d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng v\u00e0 t\u00edch h\u1ee3p th\u01b0 vi\u1ec7n b\u00ean ngo\u00e0i<\/span><\/td><td><span style=\"font-weight: 400;\">M\u1ea1nh m\u1ebd, d\u1ec5 m\u1edf r\u1ed9ng v\u1edbi c\u00e1c g\u00f3i b\u1ed5 tr\u1ee3 (plugins)<\/span><\/td><td><span style=\"font-weight: 400;\">T\u00edch h\u1ee3p t\u1ed1t v\u1edbi h\u1ec7 sinh th\u00e1i Microsoft, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng m\u1ea1nh<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Chi ph\u00ed duy tr\u00ec \u1ee9ng d\u1ee5ng<\/span><\/td><td><span style=\"font-weight: 400;\">T\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c th\u01b0 vi\u1ec7n b\u00ean th\u1ee9 ba<\/span><\/td><td><span style=\"font-weight: 400;\">Th\u1ea5p, nhi\u1ec1u c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 t\u1eeb c\u1ed9ng \u0111\u1ed3ng v\u00e0 Google<\/span><\/td><td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 cao h\u01a1n n\u1ebfu s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 Microsoft c\u00f3 ph\u00ed<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng m\u00e3<\/span><\/td><td><span style=\"font-weight: 400;\">T\u1ed1t, d\u1ec5 t\u00e1i s\u1eed d\u1ee5ng m\u00e3 gi\u1eefa c\u00e1c n\u1ec1n t\u1ea3ng<\/span><\/td><td><span style=\"font-weight: 400;\">R\u1ea5t t\u1ed1t, Flutter cho ph\u00e9p vi\u1ebft m\u1ed9t l\u1ea7n ch\u1ea1y tr\u00ean m\u1ecdi n\u1ec1n t\u1ea3ng<\/span><\/td><td><span style=\"font-weight: 400;\">T\u1ed1t, \u0111\u1eb7c bi\u1ec7t v\u1edbi Xamarin.Forms<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn code native<\/span><\/td><td><span style=\"font-weight: 400;\">D\u1ec5 d\u00e0ng, h\u1ed7 tr\u1ee3 c\u00e1c module native th\u00f4ng qua bridge<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u00f3 h\u01a1n, c\u1ea7n vi\u1ebft plugin ri\u00eang cho native code<\/span><\/td><td><span style=\"font-weight: 400;\">D\u1ec5 d\u00e0ng, s\u1eed d\u1ee5ng C# \u0111\u1ec3 vi\u1ebft m\u00e3 native tr\u1ef1c ti\u1ebfp<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-khai-ni\u1ec7m-component-trong-react-native-la-gi\"><strong>Kh\u00e1i ni\u1ec7m Component trong React Native l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong React Native, Component l\u00e0 th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n \u0111\u1ec3 x\u00e2y d\u1ef1ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (UI).<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u Component nh\u01b0 c\u00e1c &#8220;kh\u1ed1i x\u00e2y d\u1ef1ng&#8221; c\u1ee7a \u1ee9ng d\u1ee5ng, m\u1ed7i Component \u0111\u1ea3m nh\u1eadn m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a giao di\u1ec7n, gi\u00fap t\u1ea1o ra c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng v\u00e0 qu\u1ea3n l\u00fd d\u1ec5 d\u00e0ng h\u01a1n. M\u1ed7i Component c\u00f3 th\u1ec3 nh\u1eadn d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o (props) v\u00e0 tr\u1ea3 v\u1ec1 c\u1ea5u tr\u00fac giao di\u1ec7n (UI) \u0111\u1ec3 hi\u1ec3n th\u1ecb.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00f3 hai lo\u1ea1i Component ph\u1ed5 bi\u1ebfn trong React Native: Functional Component v\u00e0 Class Component.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-phan-bi\u1ec7t-gi\u1eefa-functional-component-va-class-component\"><strong>Ph\u00e2n bi\u1ec7t gi\u1eefa Functional Component v\u00e0 Class Component<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-functional-component\"><span style=\"font-weight: 400;\"><strong>Functional Component<\/strong><\/span><\/h4>\n\n\n\n<p><a href=\"https:\/\/reactnative.dev\/docs\/intro-react\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Functional Component<\/span><\/a><span style=\"font-weight: 400;\">&nbsp;l\u00e0 d\u1ea1ng component \u0111\u01b0\u1ee3c khai b\u00e1o d\u01b0\u1edbi d\u1ea1ng h\u00e0m (function). \u0110\u00e2y l\u00e0 c\u00e1ch khai b\u00e1o ph\u1ed5 bi\u1ebfn h\u01a1n, d\u1ec5 hi\u1ec3u, v\u00e0 ng\u1eafn g\u1ecdn. K\u1ec3 t\u1eeb khi React Hooks ra \u0111\u1eddi, Functional Component \u0111\u00e3 tr\u1edf th\u00e0nh xu h\u01b0\u1edbng ch\u00ednh v\u00ec kh\u1ea3 n\u0103ng d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd state v\u00e0 c\u00e1c side effects.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Functional Component:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c khai b\u00e1o d\u01b0\u1edbi d\u1ea1ng m\u1ed9t h\u00e0m JavaScript.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 <\/span><span style=\"font-weight: 400;\">this<\/span><span style=\"font-weight: 400;\"> context nh\u01b0 Class Component.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng React Hooks nh\u01b0 <\/span><span style=\"font-weight: 400;\">useState<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">useEffect<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 qu\u1ea3n l\u00fd state v\u00e0 lifecycle.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Nh\u1eb9 h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n v\u1ec1 hi\u1ec7u su\u1ea5t so v\u1edbi Class Component.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 v\u1ec1 Functional Component:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React, { useState } from 'react';\n\nconst Greeting = (props) =&gt; {\n  const &#91;message, setMessage] = useState('Hello');\n\n  return (\n    &lt;View&gt;\n      &lt;Text&gt;{message}, {props.name}!&lt;\/Text&gt;\n    &lt;\/View&gt;\n  );\n};\n\nexport default Greeting;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-class-component\"><strong>Class Component<\/strong><\/h4>\n\n\n\n<p><a href=\"https:\/\/legacy.reactjs.org\/docs\/react-component.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Class Component<\/span><\/a> <span style=\"font-weight: 400;\">l\u00e0 ki\u1ec3u component truy\u1ec1n th\u1ed1ng trong React, \u0111\u01b0\u1ee3c khai b\u00e1o d\u01b0\u1edbi d\u1ea1ng l\u1edbp (class). Tr\u01b0\u1edbc khi React Hooks xu\u1ea5t hi\u1ec7n, Class Component l\u00e0 l\u1ef1a ch\u1ecdn ch\u00ednh khi c\u1ea7n qu\u1ea3n l\u00fd state ho\u1eb7c c\u00e1c lifecycle methods.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Class Component:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c khai b\u00e1o d\u01b0\u1edbi d\u1ea1ng m\u1ed9t class v\u00e0 m\u1edf r\u1ed9ng t\u1eeb <\/span><span style=\"font-weight: 400;\">React.Component<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">this<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 truy c\u1eadp v\u00e0o c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a component.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c lifecycle methods nh\u01b0 <\/span><span style=\"font-weight: 400;\">componentDidMount<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">componentDidUpdate<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">componentWillUnmount<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 qu\u1ea3n l\u00fd chu k\u1ef3 s\u1ed1ng c\u1ee7a component.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 v\u1ec1 Class Component:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React, { Component } from 'react';\n\nclass Greeting extends Component {\n  constructor(props) {\n    super(props);\n    this.state = {\n      message: 'Hello',\n    };\n  }\n\n  render() {\n    return (\n      &lt;View&gt;\n        &lt;Text&gt;{this.state.message}, {this.props.name}!&lt;\/Text&gt;\n      &lt;\/View&gt;\n    );\n  }\n}\n\nexport default Greeting;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-so-sanh-functional-component-va-class-component\"><strong>So s\u00e1nh Functional Component v\u00e0 Class Component<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><span style=\"font-weight: 400;\">Component&nbsp;<\/span><\/td><td><span style=\"font-weight: 400;\">Functional Component<\/span><\/td><td><span style=\"font-weight: 400;\">Class Component<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Khai b\u00e1o<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng h\u00e0m<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng class<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Qu\u1ea3n l\u00fd State<\/span><\/td><td><span style=\"font-weight: 400;\">useState<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">useReducer<\/span><span style=\"font-weight: 400;\"> (Hooks)<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">this.state<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">setState<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Lifecycle<\/span><\/td><td><span style=\"font-weight: 400;\">useEffect<\/span><span style=\"font-weight: 400;\"> (Hooks)<\/span><\/td><td><span style=\"font-weight: 400;\">componentDidMount<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">componentDidUpdate<\/span><span style=\"font-weight: 400;\">,&#8230;<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/span><\/td><td><span style=\"font-weight: 400;\">\u0110\u01a1n gi\u1ea3n, ng\u1eafn g\u1ecdn<\/span><\/td><td><span style=\"font-weight: 400;\">Ph\u1ee9c t\u1ea1p h\u01a1n khi s\u1eed d\u1ee5ng lifecycle<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t<\/span><\/td><td><span style=\"font-weight: 400;\">Nhanh h\u01a1n v\u00ec \u00edt ph\u1ee9c t\u1ea1p<\/span><\/td><td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 ch\u1eadm h\u01a1n n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">Functional Component \u0111ang d\u1ea7n thay th\u1ebf Class Component trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p nh\u1edd s\u1ef1 \u0111\u01a1n gi\u1ea3n, d\u1ec5 \u0111\u1ecdc, v\u00e0 kh\u1ea3 n\u0103ng t\u1eadn d\u1ee5ng React Hooks \u0111\u1ec3 qu\u1ea3n l\u00fd state v\u00e0 lifecycle m\u1ed9t c\u00e1ch linh ho\u1ea1t.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, hi\u1ec3u bi\u1ebft v\u1ec1 c\u1ea3 hai lo\u1ea1i component l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c d\u1ef1 \u00e1n React Native m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u1ea7n duy tr\u00ec c\u00e1c codebase c\u0169 s\u1eed d\u1ee5ng Class Component.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-state-va-props-trong-react-native-la-gi-lam-th\u1ebf-nao-d\u1ec3-qu\u1ea3n-ly-chung\"><strong>State v\u00e0 Props trong React Native l\u00e0 g\u00ec? L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 qu\u1ea3n l\u00fd ch\u00fang?<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-state\"><strong>State<\/strong><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong React Native, <\/span><span style=\"font-weight: 400;\">State<\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u1ed9ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a component. Khi <\/span><span style=\"font-weight: 400;\">State<\/span><span style=\"font-weight: 400;\"> thay \u0111\u1ed5i, component s\u1ebd t\u1ef1 \u0111\u1ed9ng render l\u1ea1i \u0111\u1ec3 hi\u1ec3n th\u1ecb gi\u00e1 tr\u1ecb m\u1edbi. \u0110\u00e2y l\u00e0 d\u1eef li\u1ec7u ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i b\u00ean trong ch\u00ednh component \u0111\u00f3, v\u00ec v\u1eady n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;local&#8221; ho\u1eb7c &#8220;internal&#8221; state.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 qu\u1ea3n l\u00fd <\/span><span style=\"font-weight: 400;\">State<\/span><span style=\"font-weight: 400;\"> trong m\u1ed9t component, b\u1ea1n th\u01b0\u1eddng s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">useState<\/span><span style=\"font-weight: 400;\"> hook (trong function component) ho\u1eb7c <\/span><span style=\"font-weight: 400;\">this.setState()<\/span><span style=\"font-weight: 400;\"> (trong class component). D\u1eef li\u1ec7u trong <\/span><span style=\"font-weight: 400;\">State<\/span><span style=\"font-weight: 400;\"> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i th\u00f4ng qua c\u00e1c s\u1ef1 ki\u1ec7n ho\u1eb7c c\u00e1c h\u00e0nh \u0111\u1ed9ng t\u1eeb ng\u01b0\u1eddi d\u00f9ng (nh\u01b0 b\u1ea5m n\u00fat, nh\u1eadp li\u1ec7u, v.v.).<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React, { useState } from 'react';\n\nconst ExampleComponent = () =&gt; {\n  \/\/ Kh\u1edfi t\u1ea1o state v\u1edbi useState hook\n  const &#91;count, setCount] = useState(0);\n\n  return (\n    &lt;View&gt;\n      &lt;Text&gt;{'Count: ${count}`}&lt;\/Text&gt;\n      {\/* C\u1eadp nh\u1eadt state khi b\u1ea5m n\u00fat *\/}\n     &lt;Button onPress={() =&gt; setCount(count + 1)} title=\"Increase Count\" \/&gt;\n    &lt;\/View&gt;\n  );\n};<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-props\"><strong>Props<\/strong><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Props<\/span><span style=\"font-weight: 400;\"> (vi\u1ebft t\u1eaft c\u1ee7a &#8220;properties&#8221;) l\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb component cha \u0111\u1ebfn component con. \u0110\u00e2y l\u00e0 d\u1eef li\u1ec7u ch\u1ec9 \u0111\u1ecdc, kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i tr\u1ef1c ti\u1ebfp t\u1eeb component nh\u1eadn <\/span><span style=\"font-weight: 400;\">props<\/span><span style=\"font-weight: 400;\">. Props cho ph\u00e9p b\u1ea1n truy\u1ec1n th\u00f4ng tin gi\u1eefa c\u00e1c component, gi\u00fap chia s\u1ebb d\u1eef li\u1ec7u v\u00e0 gi\u1eef cho UI \u0111\u1ed3ng b\u1ed9.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 qu\u1ea3n l\u00fd Props, <\/span><span style=\"font-weight: 400;\">Props<\/span><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb component cha th\u00f4ng qua JSX v\u00e0 c\u00f3 th\u1ec3 truy c\u1eadp b\u1eb1ng c\u00fa ph\u00e1p <\/span><span style=\"font-weight: 400;\">this.props<\/span><span style=\"font-weight: 400;\"> (trong class component) ho\u1eb7c truy c\u1eadp tr\u1ef1c ti\u1ebfp th\u00f4ng qua \u0111\u1ed1i s\u1ed1 trong function component. V\u00ec <\/span><span style=\"font-weight: 400;\">Props<\/span><span style=\"font-weight: 400;\"> l\u00e0 ch\u1ec9 \u0111\u1ecdc, n\u1ebfu c\u1ea7n thay \u0111\u1ed5i d\u1eef li\u1ec7u, b\u1ea1n c\u1ea7n c\u1eadp nh\u1eadt t\u1eeb component cha.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const ChildComponent = ({ message }) =&gt; {\n  return &lt;Text&gt;{message}&lt;\/Text&gt;;\n};\n\nconst Parent Component = () =&gt; {\n  const greeting = 'Hello from Parent!';\n  return &lt;ChildComponent message={greeting} \/&gt;;\n};<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-khi-nao-s\u1eed-d\u1ee5ng-state-va-props\"><strong>Khi n\u00e0o s\u1eed d\u1ee5ng State v\u00e0 Props?<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng State khi d\u1eef li\u1ec7u c\u1ea7n thay \u0111\u1ed5i d\u1ef1a tr\u00ean c\u00e1c s\u1ef1 ki\u1ec7n ho\u1eb7c t\u01b0\u01a1ng t\u00e1c t\u1eeb ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng Props khi c\u1ea7n truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb component cha \u0111\u1ebfn component con m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i d\u1eef li\u1ec7u trong component con.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-cac-k\u1ef9-thu\u1eadt-qu\u1ea3n-ly-state-nang-cao\"><strong>C\u00e1c k\u1ef9 thu\u1eadt qu\u1ea3n l\u00fd State n\u00e2ng cao<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">React Context: N\u1ebfu c\u1ea7n chia s\u1ebb <\/span><span style=\"font-weight: 400;\">State<\/span><span style=\"font-weight: 400;\"> gi\u1eefa nhi\u1ec1u component m\u00e0 kh\u00f4ng mu\u1ed1n truy\u1ec1n qua nhi\u1ec1u c\u1ea5p, React Context c\u00f3 th\u1ec3 gi\u00fap t\u1ea1o m\u1ed9t n\u01a1i l\u01b0u tr\u1eef <\/span><span style=\"font-weight: 400;\">State<\/span><span style=\"font-weight: 400;\"> chung.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">State Management Libraries: V\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng l\u1edbn, qu\u1ea3n l\u00fd <\/span><span style=\"font-weight: 400;\">State<\/span><span style=\"font-weight: 400;\"> c\u00f3 th\u1ec3 tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p, v\u00ec v\u1eady b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n nh\u01b0 Redux, MobX, ho\u1eb7c React Query \u0111\u1ec3 qu\u1ea3n l\u00fd <\/span><span style=\"font-weight: 400;\">State<\/span><span style=\"font-weight: 400;\"> to\u00e0n c\u1ee5c m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-react-native-v\u1ec1-thi\u1ebft-k\u1ebf-va-c\u1ea5u-truc-\u1ee9ng-d\u1ee5ng\"><span class=\"ez-toc-section\" id=\"Cau_hoi_phong_van_React_Native_ve_thiet_ke_va_cau_truc_ung_dung\"><\/span><strong>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 c\u1ea5u tr\u00fac \u1ee9ng d\u1ee5ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-redux-la-gi\"><strong>Redux l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Redux l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n qu\u1ea3n l\u00fd state (tr\u1ea1ng th\u00e1i) ph\u1ed5 bi\u1ebfn cho c\u00e1c \u1ee9ng d\u1ee5ng JavaScript, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng x\u00e2y d\u1ef1ng b\u1eb1ng React ho\u1eb7c React Native. M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a Redux l\u00e0 gi\u00fap qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 \u0111o\u00e1n th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t store trung t\u00e2m, n\u01a1i ch\u1ee9a to\u00e0n b\u1ed9 tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi s\u1eed d\u1ee5ng Redux, b\u1ea1n c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd v\u00e0 chia s\u1ebb d\u1eef li\u1ec7u gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a \u1ee9ng d\u1ee5ng m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i truy\u1ec1n d\u1eef li\u1ec7u qua nhi\u1ec1u c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau, nh\u1edd \u0111\u00f3 gi\u00fap m\u00e3 ngu\u1ed3n d\u1ec5 b\u1ea3o tr\u00ec, ki\u1ec3m tra, v\u00e0 m\u1edf r\u1ed9ng h\u01a1n. Redux s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh &#8220;Unidirectional Data Flow&#8221; (d\u00f2ng d\u1eef li\u1ec7u m\u1ed9t chi\u1ec1u), gi\u00fap vi\u1ec7c theo d\u00f5i thay \u0111\u1ed5i tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn vi\u1ec7c c\u1eadp nh\u1eadt tr\u1ea1ng th\u00e1i kh\u00f4ng \u0111\u1ed3ng b\u1ed9.<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/redux-react-native-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Redux React Native: Chi ti\u1ebft s\u1eed d\u1ee5ng v\u00e0 L\u1ed7i th\u01b0\u1eddng g\u1eb7p<\/strong><\/a><\/em><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-tich-h\u1ee3p-redux-vao-m\u1ed9t-\u1ee9ng-d\u1ee5ng-react-native\"><strong>C\u00e1ch t\u00edch h\u1ee3p Redux v\u00e0o m\u1ed9t \u1ee9ng d\u1ee5ng React Native<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u00edch h\u1ee3p Redux v\u00e0o m\u1ed9t \u1ee9ng d\u1ee5ng React Native, b\u1ea1n c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau:<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-b\u01b0\u1edbc-1-cai-d\u1eb7t-th\u01b0-vi\u1ec7n-redux-va-cac-ph\u1ee5-thu\u1ed9c-c\u1ea7n-thi\u1ebft\"><strong>B\u01b0\u1edbc 1: C\u00e0i \u0111\u1eb7t th\u01b0 vi\u1ec7n Redux v\u00e0 c\u00e1c ph\u1ee5 thu\u1ed9c c\u1ea7n thi\u1ebft<\/strong><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc ti\u00ean, b\u1ea1n c\u1ea7n c\u00e0i \u0111\u1eb7t <\/span><span style=\"font-weight: 400;\">redux<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">react-redux<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 s\u1eed d\u1ee5ng Redux trong \u1ee9ng d\u1ee5ng. B\u1ea1n c\u00f3 th\u1ec3 th\u00eam ch\u00fang b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng npm ho\u1eb7c yarn:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">npm install redux react-redux&nbsp;<\/span><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-b\u01b0\u1edbc-2-t\u1ea1o-store\"><strong>B\u01b0\u1edbc 2: T\u1ea1o Store<\/strong><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Kh\u1edfi t\u1ea1o store b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c reducer c\u1ee7a b\u1ea1n th\u00f4ng qua <\/span><span style=\"font-weight: 400;\">combineReducers<\/span><span style=\"font-weight: 400;\"> v\u00e0 s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">createStore<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import { createStore } from 'redux';\nimport rootReducer from '.\/reducers'; \/\/ T\u1eadp h\u1ee3p c\u00e1c reducer\n\nconst store = createStore (rootReducer);<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-b\u01b0\u1edbc-3-cung-c\u1ea5p-store-cho-\u1ee9ng-d\u1ee5ng\"><strong>B\u01b0\u1edbc 3: Cung c\u1ea5p Store cho \u1ee8ng d\u1ee5ng<\/strong><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng &lt;Provider> t\u1eeb react-redux \u0111\u1ec3 cung c\u1ea5p store cho to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React from 'react';\nimport { Provider } from 'react-redux';\nimport App from '.\/App';\nimport store from '.\/store';\n\nconst Root = () =&gt;\n  &lt;Provider store={store}&gt;\n    &lt;App \/&gt;\n  &lt;\/Provider&gt;\n);\n\nexport default Root;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-b\u01b0\u1edbc-4-k\u1ebft-n\u1ed1i-component-v\u1edbi-redux\"><strong>B\u01b0\u1edbc 4: K\u1ebft n\u1ed1i Component v\u1edbi Redux<\/strong><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng connect<\/span> <span style=\"font-weight: 400;\">ho\u1eb7c useSelector<\/span> <span style=\"font-weight: 400;\">v\u00e0 useDispatch<\/span> <span style=\"font-weight: 400;\">t\u1eeb react-redux<\/span> <span style=\"font-weight: 400;\">\u0111\u1ec3 k\u1ebft n\u1ed1i component v\u1edbi store.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React from 'react';\nimport { useSelector, useDispatch } from 'react-redux';\n\nconst MyComponent() =&gt; {\n  const data = useSelector((state) =&gt; state.data);\n  const dispatch = useDispatch();\n\n  const handleAction = () =&gt; {\n    dispatch({ type: 'ACTION_TYPE' });\n  };\n\n  return (\n    &lt;div&gt;\n      &lt;h1&gt;{data}&lt;\/h1&gt;\n      &lt;button onClick={handleAction}&gt;Dispatch Action&lt;\/button&gt;\n    &lt;\/div&gt;\n  );\n};\n\nexport default MyComponent;<\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">T\u00f3m l\u1ea1i, vi\u1ec7c t\u00edch h\u1ee3p Redux gi\u00fap cho vi\u1ec7c qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n c\u00f3 c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p v\u00e0 y\u00eau c\u1ea7u chia s\u1ebb d\u1eef li\u1ec7u gi\u1eefa nhi\u1ec1u component.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-context-api-ho\u1ea1t-d\u1ed9ng-nh\u01b0-th\u1ebf-nao\"><strong>Context API ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Context API trong React cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb m\u1ed9t component cha \u0111\u1ebfn c\u00e1c component con \u1edf nhi\u1ec1u c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng props truy\u1ec1n tr\u1ef1c ti\u1ebfp qua t\u1eebng c\u1ea5p component. N\u00f3 \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t c\u00e1ch \u0111\u1ec3 qu\u1ea3n l\u00fd state \u1edf ph\u1ea1m vi nh\u1ecf ho\u1eb7c c\u1ee5 th\u1ec3 trong \u1ee9ng d\u1ee5ng. Context API bao g\u1ed3m hai ph\u1ea7n ch\u00ednh: <\/span><span style=\"font-weight: 400;\">Provider<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">Consumer<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Provider: Cung c\u1ea5p d\u1eef li\u1ec7u (state) cho to\u00e0n b\u1ed9 c\u00e2y component con c\u1ee7a n\u00f3. Khi m\u1ed9t gi\u00e1 tr\u1ecb trong Provider thay \u0111\u1ed5i, t\u1ea5t c\u1ea3 c\u00e1c component con s\u1eed d\u1ee5ng context n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Consumer: L\u00e0 c\u00e1c component con c\u00f3 th\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u t\u1eeb Provider. Consumer s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">useContext<\/span><span style=\"font-weight: 400;\"> hook \u0111\u1ec3 truy xu\u1ea5t gi\u00e1 tr\u1ecb t\u1eeb Context.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-khi-nao-nen-s\u1eed-d\u1ee5ng-context-api-thay-cho-redux\"><strong>Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng Context API thay cho Redux?<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Context API th\u01b0\u1eddng ph\u00f9 h\u1ee3p trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p qu\u1ea3n l\u00fd state kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p ho\u1eb7c ch\u1ec9 c\u1ea7n qu\u1ea3n l\u00fd state \u1edf ph\u1ea1m vi nh\u1ecf. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p n\u00ean c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng Context API thay v\u00ec Redux:<\/span><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">State \u0111\u01a1n gi\u1ea3n ho\u1eb7c kh\u00f4ng ph\u1ee9c t\u1ea1p: N\u1ebfu \u1ee9ng d\u1ee5ng ch\u1ec9 c\u1ea7n chia s\u1ebb m\u1ed9t v\u00e0i state ho\u1eb7c kh\u00f4ng y\u00eau c\u1ea7u qu\u1ea3n l\u00fd state ph\u1ee9c t\u1ea1p v\u1edbi nhi\u1ec1u logic, Context API l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t. N\u00f3 gi\u00fap gi\u1ea3m b\u1edbt s\u1ef1 ph\u1ee9c t\u1ea1p khi kh\u00f4ng ph\u1ea3i thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng Redux \u0111\u1ea7y \u0111\u1ee7.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Qu\u1ea3n l\u00fd state theo ph\u1ea1m vi c\u1ee5 th\u1ec3: Khi m\u1ed9t ph\u1ea7n c\u1ee7a \u1ee9ng d\u1ee5ng c\u1ea7n qu\u1ea3n l\u00fd state ri\u00eang bi\u1ec7t m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c ph\u1ea7n kh\u00e1c, Context API gi\u00fap \u0111\u1ecbnh r\u00f5 ph\u1ea1m vi c\u1ee7a state \u0111\u00f3, gi\u1ea3m thi\u1ec3u r\u1ee7i ro t\u00e1c \u0111\u1ed9ng kh\u00f4ng mong mu\u1ed1n \u0111\u1ebfn c\u00e1c ph\u1ea7n kh\u00e1c c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng nh\u1ecf ho\u1eb7c trung b\u00ecnh: V\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 quy m\u00f4 nh\u1ecf ho\u1eb7c trung b\u00ecnh, n\u01a1i s\u1ed1 l\u01b0\u1ee3ng state kh\u00f4ng l\u1edbn v\u00e0 kh\u00f4ng c\u00f3 qu\u00e1 nhi\u1ec1u component con c\u1ea7n chia s\u1ebb d\u1eef li\u1ec7u, Context API gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1ch qu\u1ea3n l\u00fd v\u00e0 gi\u1ea3m s\u1ef1 ph\u1ee9c t\u1ea1p khi kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i s\u1eed d\u1ee5ng Redux.<\/span><\/li>\n<\/ol>\n\n\n\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, n\u1ebfu b\u1ea1n c\u1ea7n qu\u1ea3n l\u00fd state \u1edf c\u1ea5p \u0111\u1ed9 l\u1edbn h\u01a1n, y\u00eau c\u1ea7u nhi\u1ec1u middleware cho vi\u1ec7c x\u1eed l\u00fd nh\u01b0 logging, debugging, ho\u1eb7c mu\u1ed1n c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd state th\u1ed1ng nh\u1ea5t cho to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng, Redux v\u1eabn l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-t\u1ed1i-\u01b0u-hoa-hi\u1ec7u-su\u1ea5t-c\u1ee7a-m\u1ed9t-\u1ee9ng-d\u1ee5ng-react-native-nbsp\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t \u1ee9ng d\u1ee5ng React Native?&nbsp;<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t \u1ee9ng d\u1ee5ng React Native, c\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p v\u00e0 k\u1ef9 thu\u1eadt m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1eed d\u1ee5ng <a href=\"https:\/\/react.dev\/reference\/react\/PureComponent\" target=\"_blank\" rel=\"noopener\">PureComponent<\/a> ho\u1eb7c <\/strong><a href=\"https:\/\/react.dev\/reference\/react\/memo\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\"><strong>React.memo<\/strong><\/span><\/a><span style=\"font-weight: 400;\">: N\u1ebfu m\u1ed9t component kh\u00f4ng thay \u0111\u1ed5i th\u01b0\u1eddng xuy\u00ean, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">React.PureComponent<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">React.memo<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c render l\u1ea1i kh\u00f4ng c\u1ea7n thi\u1ebft. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u1ea3m thi\u1ec3u vi\u1ec7c ti\u00eau th\u1ee5 t\u00e0i nguy\u00ean v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 \u1ee9ng d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>T\u1ed1i \u01b0u h\u00f3a danh s\u00e1ch b\u1eb1ng FlatList ho\u1eb7c SectionList<\/strong>: Khi l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u danh s\u00e1ch l\u1edbn, h\u00e3y s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">FlatList<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">SectionList<\/span><span style=\"font-weight: 400;\"> thay v\u00ec <\/span><span style=\"font-weight: 400;\">ScrollView<\/span><span style=\"font-weight: 400;\">. <\/span><span style=\"font-weight: 400;\">FlatList<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">SectionList<\/span><span style=\"font-weight: 400;\"> ch\u1ec9 render nh\u1eefng item hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh v\u00e0 s\u1ebd t\u1ea3i th\u00eam khi ng\u01b0\u1eddi d\u00f9ng cu\u1ed9n, gi\u00fap ti\u1ebft ki\u1ec7m b\u1ed9 nh\u1edb.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>S\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n Native Module<\/strong>: \u0110\u1ed1i v\u1edbi c\u00e1c t\u00e1c v\u1ee5 n\u1eb7ng (nh\u01b0 x\u1eed l\u00fd h\u00ecnh \u1ea3nh, m\u00e3 h\u00f3a\/gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u,&#8230;), h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n Native Module \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng Swift\/Objective-C ho\u1eb7c Java\/Kotlin \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd thay v\u00ec s\u1eed d\u1ee5ng JavaScript thu\u1ea7n.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh<\/strong>: H\u00ecnh \u1ea3nh c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng. H\u00e3y t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u1ea3nh nh\u1eb9 h\u01a1n nh\u01b0 WebP, s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n nh\u01b0 <\/span><span style=\"font-weight: 400;\">react-native-fast-image<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 caching h\u00ecnh \u1ea3nh, v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ec9 t\u1ea3i nh\u1eefng h\u00ecnh \u1ea3nh c\u1ea7n thi\u1ebft cho m\u1ed7i m\u00e0n h\u00ecnh.<\/span><\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng <a href=\"https:\/\/reactnative.dev\/docs\/performance\" target=\"_blank\" rel=\"noopener\">Performance Monitor<\/a><\/strong><span style=\"font-weight: 400;\">: React Native cung c\u1ea5p Performance Monitor \u0111\u1ec3 gi\u00fap b\u1ea1n ki\u1ec3m tra hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m y\u1ebfu v\u00e0 t\u00ecm gi\u1ea3i ph\u00e1p c\u1ea3i thi\u1ec7n.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>Ch\u1ec9 s\u1eed d\u1ee5ng c\u00e1c component Animation khi c\u1ea7n thi\u1ebft<\/strong>: C\u00e1c animation c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t. S\u1eed d\u1ee5ng <\/span><a href=\"https:\/\/www.npmjs.com\/package\/react-native-reanimated\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">react-native-reanimated<\/span><\/a><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><a href=\"https:\/\/github.com\/software-mansion\/react-native-gesture-handler\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">react-native-gesture-handler<\/span><\/a><span style=\"font-weight: 400;\"> \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u00e1c animation ph\u1ee9c t\u1ea1p thay v\u00ec s\u1eed d\u1ee5ng c\u00e1c animation m\u1eb7c \u0111\u1ecbnh c\u1ee7a React Native.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>Qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i hi\u1ec7u qu\u1ea3<\/strong>: Vi\u1ec7c qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i kh\u00f4ng h\u1ee3p l\u00fd c\u00f3 th\u1ec3 l\u00e0m \u1ee9ng d\u1ee5ng tr\u1edf n\u00ean ch\u1eadm ch\u1ea1p. H\u00e3y s\u1eed d\u1ee5ng Redux ho\u1eb7c Context API m\u1ed9t c\u00e1ch t\u1ed1i \u01b0u v\u00e0 tr\u00e1nh vi\u1ec7c truy\u1ec1n state kh\u00f4ng c\u1ea7n thi\u1ebft qua c\u00e1c component kh\u00f4ng li\u00ean quan.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-khai-ni\u1ec7m-v\u1ec1-navigation-trong-react-native-va-cac-th\u01b0-vi\u1ec7n-ph\u1ed5-bi\u1ebfn-nh\u01b0-react-navigation-react-native-navigation\"><strong>Kh\u00e1i ni\u1ec7m v\u1ec1 Navigation trong React Native v\u00e0 c\u00e1c th\u01b0 vi\u1ec7n ph\u1ed5 bi\u1ebfn nh\u01b0 React Navigation, React Native Navigation<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Navigation trong React Native l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng n\u00e0o, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng di chuy\u1ec3n gi\u1eefa c\u00e1c m\u00e0n h\u00ecnh kh\u00e1c nhau trong \u1ee9ng d\u1ee5ng. Kh\u00e1i ni\u1ec7m n\u00e0y bao g\u1ed3m vi\u1ec7c qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i, chuy\u1ec3n \u0111\u1ed5i m\u00e0n h\u00ecnh, v\u00e0 duy tr\u00ec l\u1ecbch s\u1eed \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ec3 t\u1ea1o ra tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng m\u01b0\u1ee3t m\u00e0 v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00f3 hai lo\u1ea1i \u0111i\u1ec1u h\u01b0\u1edbng ch\u00ednh trong React Native:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Stack Navigation (chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c m\u00e0n h\u00ecnh theo d\u1ea1ng stack)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Tab Navigation (\u0111i\u1ec1u h\u01b0\u1edbng gi\u1eefa c\u00e1c m\u00e0n h\u00ecnh qua c\u00e1c tab<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p kh\u00e1c bao g\u1ed3m Drawer Navigation \u0111\u1ec3 m\u1edf c\u00e1c menu \u1ea9n t\u1eeb c\u1ea1nh m\u00e0n h\u00ecnh.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c th\u01b0 vi\u1ec7n ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n\n\n\n<p><a href=\"https:\/\/www.npmjs.com\/package\/@react-navigation\/native\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\"><strong>React Navigation<\/strong><\/span><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 th\u01b0 vi\u1ec7n ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u1ed9ng \u0111\u1ed3ng React Native. N\u00f3 cung c\u1ea5p m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 linh ho\u1ea1t \u0111\u1ec3 t\u1ea1o ra c\u00e1c lo\u1ea1i \u0111i\u1ec1u h\u01b0\u1edbng kh\u00e1c nhau nh\u01b0 Stack, Tab, Drawer, Bottom Tab v\u00e0 nhi\u1ec1u lo\u1ea1i kh\u00e1c.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">React Navigation d\u1ec5 c\u1ea5u h\u00ecnh v\u00e0 c\u00f3 m\u1ed9t c\u1ed9ng \u0111\u1ed3ng h\u1ed7 tr\u1ee3 m\u1ea1nh m\u1ebd, v\u1edbi t\u00e0i li\u1ec7u chi ti\u1ebft v\u00e0 c\u00e1c v\u00ed d\u1ee5 phong ph\u00fa.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m: Linh ho\u1ea1t, d\u1ec5 t\u00edch h\u1ee3p, c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh cao, h\u1ed7 tr\u1ee3 chuy\u1ec3n \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 gi\u1eefa c\u00e1c m\u00e0n h\u00ecnh.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m: \u0110\u00f4i khi ph\u1ee9c t\u1ea1p khi t\u00f9y ch\u1ec9nh c\u00e1c y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t v\u00e0 c\u00f3 th\u1ec3 c\u1ea7n nhi\u1ec1u c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng khi \u1ee9ng d\u1ee5ng c\u00f3 quy m\u00f4 l\u1edbn.<\/span><\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/github.com\/wix\/react-native-navigation\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\"><strong>React Native Navigation (do Wix ph\u00e1t tri\u1ec3n)<\/strong><\/span><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n \u0111i\u1ec1u h\u01b0\u1edbng c\u1ea5p cao \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi m\u1ee5c ti\u00eau cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n native th\u1ef1c s\u1ef1 (native components) c\u1ee7a n\u1ec1n t\u1ea3ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Th\u01b0 vi\u1ec7n n\u00e0y l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p v\u00e0 c\u00f3 y\u00eau c\u1ea7u hi\u1ec7u n\u0103ng cao v\u00ec n\u00f3 t\u1eadn d\u1ee5ng c\u00e1c ch\u1ee9c n\u0103ng native \u0111\u1ec3 cung c\u1ea5p tr\u1ea3i nghi\u1ec7m t\u1ed1t h\u01a1n.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m: Hi\u1ec7u su\u1ea5t cao h\u01a1n nh\u1edd vi\u1ec7c s\u1eed d\u1ee5ng th\u00e0nh ph\u1ea7n native, chuy\u1ec3n \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0, h\u1ed7 tr\u1ee3 t\u1ed1t c\u00e1c t\u00ednh n\u0103ng c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh nh\u01b0 thanh \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 thanh c\u00f4ng c\u1ee5 (Toolbar).<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m: C\u1ea5u h\u00ecnh ph\u1ee9c t\u1ea1p h\u01a1n, y\u00eau c\u1ea7u hi\u1ec3u bi\u1ebft s\u00e2u v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n native c\u1ee7a Android v\u00e0 iOS.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-gi\u1ea3i-thich-v\u1ec1-khai-ni\u1ec7m-higher-order-components-hoc-va-s\u1eed-d\u1ee5ng-chung-trong-react-native\"><strong>Gi\u1ea3i th\u00edch v\u1ec1 kh\u00e1i ni\u1ec7m Higher-Order Components (HOC) v\u00e0 s\u1eed d\u1ee5ng ch\u00fang trong React Native<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Higher-Order Components (HOC) l\u00e0 m\u1ed9t m\u1eabu thi\u1ebft k\u1ebf trong React v\u00e0 React Native, cho ph\u00e9p b\u1ea1n t\u00e1i s\u1eed d\u1ee5ng logic gi\u1eefa c\u00e1c component. HOC th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t h\u00e0m nh\u1eadn m\u1ed9t component v\u00e0 tr\u1ea3 v\u1ec1 m\u1ed9t component m\u1edbi v\u1edbi c\u00e1c t\u00ednh n\u0103ng ho\u1eb7c d\u1eef li\u1ec7u b\u1ed5 sung. N\u00f3i c\u00e1ch kh\u00e1c, n\u00f3 gi\u00fap chia s\u1ebb c\u00e1c logic chung m\u00e0 kh\u00f4ng c\u1ea7n l\u1eb7p l\u1ea1i code trong nhi\u1ec1u component kh\u00e1c nhau.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">HOC th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">X\u1eed l\u00fd vi\u1ec7c l\u1ea5y d\u1eef li\u1ec7u t\u1eeb server (fetch data).<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Qu\u1ea3n l\u00fd quy\u1ec1n truy c\u1eadp (authorization) ho\u1eb7c ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n tr\u01b0\u1edbc khi render component.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Th\u00eam c\u00e1c t\u00ednh n\u0103ng \u0111\u1eb7c bi\u1ec7t cho component nh\u01b0 tracking ho\u1eb7c logging.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 v\u1ec1 HOC trong React Native:<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Gi\u1ea3 s\u1eed b\u1ea1n c\u00f3 m\u1ed9t component <\/span><span style=\"font-weight: 400;\">UserList<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 hi\u1ec3n th\u1ecb danh s\u00e1ch ng\u01b0\u1eddi d\u00f9ng v\u00e0 b\u1ea1n mu\u1ed1n th\u00eam ch\u1ee9c n\u0103ng l\u1ea5y d\u1eef li\u1ec7u t\u1eeb server. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng HOC \u0111\u1ec3 chia s\u1ebb logic l\u1ea5y d\u1eef li\u1ec7u n\u00e0y m\u00e0 kh\u00f4ng c\u1ea7n t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp v\u00e0o component:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">import React, { useEffect, useState } from 'react';<\/span>\n\n<span style=\"font-weight: 400;\">\/\/ \u0110\u00e2y l\u00e0 HOC nh\u1eadn m\u1ed9t component v\u00e0 tr\u1ea3 v\u1ec1 m\u1ed9t component m\u1edbi<\/span>\n<span style=\"font-weight: 400;\">function withDataFetching(WrappedComponent, url) {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;return function () {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;const &#91;data, setData] = useState(&#91;]);<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;const &#91;loading, setLoading] = useState(true);<\/span>\n\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;useEffect(() =&gt; {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fetch(url)<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.then(response =&gt; response.json())<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.then(data =&gt; {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setData(data);<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setLoading(false);<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;});<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;}, &#91;url]);<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;\/\/ Tr\u1ea3 v\u1ec1 WrappedComponent v\u1edbi data v\u00e0 loading<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;return &lt;WrappedComponent data={data} loading={loading} \/&gt;;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;};<\/span>\n<span style=\"font-weight: 400;\">}<\/span>\n\n<span style=\"font-weight: 400;\">\/\/ Component UserList nh\u1eadn props data v\u00e0 loading<\/span>\n<span style=\"font-weight: 400;\">function UserList({ data, loading }) {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;if (loading) {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;return &lt;Text&gt;Loading...&lt;\/Text&gt;;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;}<\/span>\n\n<span style=\"font-weight: 400;\"> &nbsp;return (<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&lt;FlatList<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;data={data}<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;keyExtractor={(item) =&gt; item.id.toString()}<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;renderItem={({ item }) =&gt; &lt;Text&gt;{item.name}&lt;\/Text&gt;}<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;\/&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;);<\/span>\n<span style=\"font-weight: 400;\">}<\/span>\n\n<span style=\"font-weight: 400;\">\/\/ S\u1eed d\u1ee5ng HOC \u0111\u1ec3 t\u1ea1o component UserListWithData<\/span>\n<span style=\"font-weight: 400;\">const UserListWithData = withDataFetching(UserList, '<\/span><span style=\"font-weight: 400;\">https:\/\/api.example.com\/users<\/span><span style=\"font-weight: 400;\">');<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong v\u00ed d\u1ee5 tr\u00ean, <\/span><span style=\"font-weight: 400;\">withDataFetching<\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t HOC nh\u1eadn v\u00e0o component <\/span><span style=\"font-weight: 400;\">UserList<\/span><span style=\"font-weight: 400;\"> v\u00e0 URL \u0111\u1ec3 fetch data. K\u1ebft qu\u1ea3 l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng logic l\u1ea5y d\u1eef li\u1ec7u cho c\u00e1c component kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n vi\u1ebft l\u1ea1i.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-react-native-v\u1ec1-cac-thanh-ph\u1ea7n-giao-di\u1ec7n-ui-components\"><span class=\"ez-toc-section\" id=\"Cau_hoi_phong_van_React_Native_ve_cac_thanh_phan_giao_dien_UI_Components\"><\/span><strong>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n (UI Components)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-t\u1ea1o-m\u1ed9t-custom-component-trong-react-native-nbsp\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o m\u1ed9t Custom Component trong React Native?&nbsp;<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u1ea1o m\u1ed9t Custom Component trong React Native, t\u00f4i th\u01b0\u1eddng s\u1eed d\u1ee5ng Functional Components, v\u00ec n\u00f3 gi\u00fap m\u00e3 ngu\u1ed3n ng\u1eafn g\u1ecdn h\u01a1n v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc:<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-b\u01b0\u1edbc-1-t\u1ea1o-file-component\"><b>B\u01b0\u1edbc 1: T\u1ea1o File Component<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">T\u1ea1o m\u1ed9t file JavaScript m\u1edbi, v\u00ed d\u1ee5 nh\u01b0 <\/span><span style=\"font-weight: 400;\">MyButton.js<\/span><span style=\"font-weight: 400;\">, \u0111\u1ec3 ch\u1ee9a Custom Component.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-b\u01b0\u1edbc-2-d\u1ecbnh-nghia-component\"><b>B\u01b0\u1edbc 2: \u0110\u1ecbnh ngh\u0129a Component<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong file <\/span><span style=\"font-weight: 400;\">MyButton.js<\/span><span style=\"font-weight: 400;\">, t\u00f4i \u0111\u1ecbnh ngh\u0129a m\u1ed9t Functional Component s\u1eed d\u1ee5ng c\u00fa ph\u00e1p ES6. V\u00ed d\u1ee5:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React from 'react';\nimport {TouchableOpacity, Text, StyleSheet } from 'react-native';\n\nconst MyButton = ({ title, onPress, color }) =&gt; {\n  return (\n    &lt;TouchableOpacity\n      style={&#91;styles.button, { backgroundColor: color }]}\n      onPress={onPress}\n    &gt;\n      &lt;Text style={styles.text}&gt;{title}&lt;\/Text&gt;\n    &lt;\/TouchableOpacity&gt;\n  );\n};\n\nconst styles StyleSheet.create({\n  button: {\n    padding: 10,\n    borderRadius: 5,\n    alignItems: 'center',\n  },\n  text: {\n    color: '#ffffff',\n    fontSize: 16,\n  },\n});\n\nexport default MyButton;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-b\u01b0\u1edbc-3-s\u1eed-d\u1ee5ng-props\"><b>B\u01b0\u1edbc 3: S\u1eed d\u1ee5ng Props<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong v\u00ed d\u1ee5 tr\u00ean, t\u00f4i s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">props<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 nh\u1eadn c\u00e1c gi\u00e1 tr\u1ecb t\u1eeb component cha nh\u01b0 <\/span><span style=\"font-weight: 400;\">title<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">onPress<\/span><span style=\"font-weight: 400;\">, v\u00e0 <\/span><span style=\"font-weight: 400;\">color<\/span><span style=\"font-weight: 400;\">. \u0110i\u1ec1u n\u00e0y gi\u00fap component tr\u1edf n\u00ean linh ho\u1ea1t v\u00e0 c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p kh\u00e1c nhau.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-b\u01b0\u1edbc-4-s\u1eed-d\u1ee5ng-component\"><b>B\u01b0\u1edbc 4: S\u1eed d\u1ee5ng Component<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Cu\u1ed1i c\u00f9ng, \u0111\u1ec3 s\u1eed d\u1ee5ng component n\u00e0y trong m\u1ed9t file kh\u00e1c, t\u00f4i s\u1ebd import n\u00f3 v\u00e0 cung c\u1ea5p c\u00e1c <\/span><span style=\"font-weight: 400;\">props<\/span><span style=\"font-weight: 400;\"> c\u1ea7n thi\u1ebft, v\u00ed d\u1ee5:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React from 'react';\nimport { View } from 'react-native';\nimport MyButton from '.\/MyButton';\n\nconst App = () =&gt; {\n  return (\n    &lt;View&gt;\n      &lt;MyButton\n        title=\"Click Me\"\n        onPress={() =&gt; alert('Button Pressed!')}\n        color=\"#4CAF50\"\n      \/&gt;\n    &lt;\/View&gt;\n  );\n};\n\nexport default App;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-s\u1ef1-khac-nhau-gi\u1eefa-scrollview-va-flatlist-la-gi\"><strong>S\u1ef1 kh\u00e1c nhau gi\u1eefa ScrollView v\u00e0 FlatList l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>ScrollView<\/b><span style=\"font-weight: 400;\">: L\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n d\u00f9ng \u0111\u1ec3 hi\u1ec3n th\u1ecb danh s\u00e1ch ho\u1eb7c n\u1ed9i dung cu\u1ed9n, ph\u00f9 h\u1ee3p khi s\u1ed1 l\u01b0\u1ee3ng ph\u1ea7n t\u1eed \u00edt v\u00e0 c\u00f3 th\u1ec3 t\u1ea3i to\u00e0n b\u1ed9 v\u00e0o b\u1ed9 nh\u1edb c\u00f9ng l\u00fac. N\u00f3 kh\u00f4ng t\u1ed1i \u01b0u cho danh s\u00e1ch l\u1edbn v\u00ec m\u1ecdi ph\u1ea7n t\u1eed \u0111\u1ec1u \u0111\u01b0\u1ee3c render tr\u01b0\u1edbc.<\/span><\/li>\n\n\n\n<li><b>FlatList<\/b><span style=\"font-weight: 400;\">: L\u00e0 th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 hi\u1ec3n th\u1ecb danh s\u00e1ch l\u1edbn. N\u00f3 ch\u1ec9 render c\u00e1c ph\u1ea7n t\u1eed hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh ho\u1eb7c g\u1ea7n \u0111\u00f3, gi\u00fap ti\u1ebft ki\u1ec7m b\u1ed9 nh\u1edb v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t. FlatList h\u1ed7 tr\u1ee3 c\u00e1c t\u00ednh n\u0103ng nh\u01b0 ph\u00e2n trang, k\u00e9o t\u1ea3i th\u00eam d\u1eef li\u1ec7u, v\u00e0 t\u00f9y ch\u1ec9nh hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>Th\u00e0nh ph\u1ea7n&nbsp;<\/b><\/td><td><b>ScrollView<\/b><\/td><td><b>FlatList&nbsp;<\/b><\/td><\/tr><tr><td><b>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng<\/b><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng khi c\u00f3 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf d\u1eef li\u1ec7u c\u1ea7n cu\u1ed9n ho\u1eb7c hi\u1ec3n th\u1ecb to\u00e0n b\u1ed9 d\u1eef li\u1ec7u c\u00f9ng l\u00fac.<\/span><\/td><td><span style=\"font-weight: 400;\">D\u00f9ng \u0111\u1ec3 hi\u1ec3n th\u1ecb danh s\u00e1ch l\u1edbn v\u1edbi nhi\u1ec1u m\u1ee5c m\u00e0 ch\u1ec9 t\u1ea3i d\u1eef li\u1ec7u khi c\u1ea7n thi\u1ebft (lazy loading).<\/span><\/td><\/tr><tr><td><b>Hi\u1ec7u su\u1ea5t<\/b><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng t\u1ed1i \u01b0u khi c\u00f3 nhi\u1ec1u ph\u1ea7n t\u1eed do t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c render m\u1ed9t l\u1ea7n.<\/span><\/td><td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n khi l\u00e0m vi\u1ec7c v\u1edbi danh s\u00e1ch l\u1edbn nh\u1edd c\u01a1 ch\u1ebf virtual rendering (ch\u1ec9 render c\u00e1c ph\u1ea7n t\u1eed hi\u1ec3n th\u1ecb).<\/span><\/td><\/tr><tr><td><b>Render d\u1eef li\u1ec7u<\/b><\/td><td><span style=\"font-weight: 400;\">Render to\u00e0n b\u1ed9 d\u1eef li\u1ec7u trong danh s\u00e1ch, d\u1eabn \u0111\u1ebfn t\u1ed1n nhi\u1ec1u b\u1ed9 nh\u1edb n\u1ebfu d\u1eef li\u1ec7u l\u1edbn<\/span><\/td><td><span style=\"font-weight: 400;\">Render theo t\u1eebng trang (paging) ho\u1eb7c t\u1eebng ph\u1ea7n t\u1eed visible, ti\u1ebft ki\u1ec7m b\u1ed9 nh\u1edb h\u01a1n.<\/span><\/td><\/tr><tr><td><b>H\u1ed7 tr\u1ee3 lazy loading<\/b><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 h\u1ed7 tr\u1ee3 lazy loading; to\u00e0n b\u1ed9 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea3i khi m\u1edf trang<\/span><\/td><td><span style=\"font-weight: 400;\">C\u00f3 h\u1ed7 tr\u1ee3 lazy loading \u0111\u1ec3 t\u1ea3i d\u1ea7n d\u1eef li\u1ec7u khi ng\u01b0\u1eddi d\u00f9ng cu\u1ed9n xu\u1ed1ng.<\/span><\/td><\/tr><tr><td><b>T\u00ednh n\u0103ng ph\u00e2n trang<\/b><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng h\u1ed7 tr\u1ee3 tr\u1ef1c ti\u1ebfp ph\u00e2n trang.<\/span><\/td><td><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 ph\u00e2n trang d\u1ec5 d\u00e0ng th\u00f4ng qua thu\u1ed9c t\u00ednh <\/span><span style=\"font-weight: 400;\">onEndReached<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">onEndReachedThreshold<\/span><\/td><\/tr><tr><td><b>Ch\u1ee9c n\u0103ng item separator<\/b><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 h\u1ed7 tr\u1ee3 item separator m\u1eb7c \u0111\u1ecbnh<\/span><\/td><td><span style=\"font-weight: 400;\">C\u00f3 h\u1ed7 tr\u1ee3 thu\u1ed9c t\u00ednh <\/span><span style=\"font-weight: 400;\">ItemSeparatorComponent<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 t\u00f9y ch\u1ec9nh separator gi\u1eefa c\u00e1c item.<\/span><\/td><\/tr><tr><td><b>Hi\u1ec3n th\u1ecb header\/footer<\/b><\/td><td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 th\u00eam header\/footer nh\u01b0ng c\u1ea7n t\u1ea1o custom layout<\/span><\/td><td><span style=\"font-weight: 400;\">C\u00f3 h\u1ed7 tr\u1ee3 s\u1eb5n c\u00e1c thu\u1ed9c t\u00ednh <\/span><span style=\"font-weight: 400;\">ListHeaderComponent<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">ListFooterComponent<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 hi\u1ec3n th\u1ecb header\/footer<\/span><\/td><\/tr><tr><td><b>Key<\/b><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u1ea7n <\/span><span style=\"font-weight: 400;\">keyExtractor<\/span><span style=\"font-weight: 400;\">, kh\u00f4ng t\u1ed1i \u01b0u v\u1edbi danh s\u00e1ch \u0111\u1ed9ng ho\u1eb7c thay \u0111\u1ed5i nhi\u1ec1u<\/span><\/td><td><span style=\"font-weight: 400;\">C\u1ea7n c\u00f3 <\/span><span style=\"font-weight: 400;\">keyExtractor<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 \u0111\u1ecbnh danh t\u1eebng ph\u1ea7n t\u1eed, gi\u00fap qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 danh s\u00e1ch thay<\/span><\/td><\/tr><tr><td><b>Kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u l\u1edbn<\/b><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi d\u1eef li\u1ec7u l\u1edbn do t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c render c\u00f9ng l\u00fac<\/span><\/td><td><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi d\u1eef li\u1ec7u l\u1edbn do ch\u1ec9 render nh\u1eefng ph\u1ea7n t\u1eed c\u1ea7n thi\u1ebft<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-sao-d\u1ec3-x\u1eed-ly-s\u1ef1-ki\u1ec7n-touch-b\u1ea5m-keo-th\u1ea3-trong-react-native-nbsp\"><strong>L\u00e0m sao \u0111\u1ec3 x\u1eed l\u00fd s\u1ef1 ki\u1ec7n touch (b\u1ea5m, k\u00e9o, th\u1ea3) trong React Native?&nbsp;<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 x\u1eed l\u00fd s\u1ef1 ki\u1ec7n touch (b\u1ea5m, k\u00e9o, th\u1ea3) trong React Native, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 API \u0111\u01b0\u1ee3c cung c\u1ea5p s\u1eb5n nh\u01b0 <\/span><span style=\"font-weight: 400;\">TouchableOpacity<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">TouchableHighlight<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">TouchableWithoutFeedback<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">TouchableNativeFeedback<\/span><span style=\"font-weight: 400;\">, ho\u1eb7c <\/span><span style=\"font-weight: 400;\">Pressable<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n b\u00ean th\u1ee9 ba nh\u01b0 <\/span><span style=\"font-weight: 400;\">react-native-gesture-handler<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c s\u1ef1 ki\u1ec7n ph\u1ee9c t\u1ea1p h\u01a1n.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-cach-1-s\u1eed-d\u1ee5ng-cac-thanh-ph\u1ea7n-touchable\"><b>C\u00e1ch 1: S\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n Touchable<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c th\u00e0nh ph\u1ea7n thu\u1ed9c nh\u00f3m <\/span><span style=\"font-weight: 400;\">Touchable<\/span><span style=\"font-weight: 400;\"> trong React Native \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd s\u1ef1 ki\u1ec7n ch\u1ea1m. M\u1ed9t v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn l\u00e0 <\/span><span style=\"font-weight: 400;\">TouchableOpacity<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React from 'react';\nimport { View, Text, TouchableOpacity } from 'react-native';\n\nconst Example = () =&gt; {\n  return (\n    &lt;View&gt;\n      &lt;TouchableOpacity onPress={() =&gt; alert('Button Pressed!')}&gt;\n        &lt;Text&gt;Press Me&lt;\/Text&gt;\n      &lt;\/TouchableOpacity&gt;\n    &lt;\/View&gt;\n  );\n};<\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong v\u00ed d\u1ee5 n\u00e0y, s\u1ef1 ki\u1ec7n <\/span><span style=\"font-weight: 400;\">onPress<\/span><span style=\"font-weight: 400;\"> s\u1ebd \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t khi ng\u01b0\u1eddi d\u00f9ng ch\u1ea1m v\u00e0o v\u00f9ng c\u00f3 ch\u1ee9a <\/span><span style=\"font-weight: 400;\">Text<\/span><span style=\"font-weight: 400;\">. C\u00e1c thu\u1ed9c t\u00ednh kh\u00e1c nh\u01b0 <\/span><span style=\"font-weight: 400;\">onLongPress<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">onPressIn<\/span><span style=\"font-weight: 400;\">, v\u00e0 <\/span><span style=\"font-weight: 400;\">onPressOut<\/span><span style=\"font-weight: 400;\"> c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1eaft c\u00e1c s\u1ef1 ki\u1ec7n kh\u00e1c nh\u01b0 gi\u1eef l\u00e2u, b\u1eaft \u0111\u1ea7u ch\u1ea1m, v\u00e0 k\u1ebft th\u00fac ch\u1ea1m.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-cach-2-s\u1eed-d\u1ee5ng-pressable\"><b>C\u00e1ch 2: S\u1eed d\u1ee5ng <\/b><b>Pressable<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Pressable<\/span><span style=\"font-weight: 400;\"> l\u00e0 th\u00e0nh ph\u1ea7n m\u1edbi h\u01a1n \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u trong c\u00e1c phi\u00ean b\u1ea3n m\u1edbi c\u1ee7a React Native, gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng t\u00f9y ch\u1ec9nh h\u01a1n trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c s\u1ef1 ki\u1ec7n touch:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React from 'react';\nimport { View, Text, Pressable } from 'react-native';\n\nconst Example = () =&gt; {\n  return (\n    &lt;View&gt;\n      &lt;Pressable\n        onPress={() =&gt; console.log('Pressed')}\n        onLongPress={() =&gt; console.log('Long Pressed')}\n        onPressIn={() =&gt; console.log('Press In')}\n        onPressOut={() =&gt; console.log('Press Out')}\n      &gt;\n        &lt;Text&gt;Touch Me&lt;\/Text&gt;\n      &lt;\/Pressable&gt;\n    &lt;\/View&gt;\n  );\n};<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-cach-3-s\u1eed-d\u1ee5ng-react-native-gesture-handler\"><b>C\u00e1ch 3: S\u1eed d\u1ee5ng <\/b><b>react-native-gesture-handler<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p c\u1ea7n x\u1eed l\u00fd c\u00e1c c\u1eed ch\u1ec9 ph\u1ee9c t\u1ea1p nh\u01b0 k\u00e9o, vu\u1ed1t, ho\u1eb7c x\u1eed l\u00fd c\u00e1c c\u1eed ch\u1ec9 c\u00f9ng l\u00fac, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n <\/span><span style=\"font-weight: 400;\">react-native-gesture-handler<\/span><span style=\"font-weight: 400;\">. V\u00ed d\u1ee5:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">import React from 'react';<\/span>\n<span style=\"font-weight: 400;\">import { GestureHandlerRootView, PanGestureHandler } from 'react-native-gesture-handler';<\/span>\n<span style=\"font-weight: 400;\">import { View, Text } from 'react-native';<\/span>\n\n<span style=\"font-weight: 400;\">const Example = () =&gt; {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;const onGestureEvent = (event) =&gt; {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;console.log('Gesture Detected', event.nativeEvent);<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;};<\/span>\n\n<span style=\"font-weight: 400;\"> &nbsp;return (<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&lt;GestureHandlerRootView style={{ flex: 1 }}&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;PanGestureHandler onGestureEvent={onGestureEvent}&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;View style={{ width: 200, height: 200, backgroundColor: 'lightblue', justifyContent: 'center', alignItems: 'center' }}&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;Text&gt;Drag Me&lt;\/Text&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/View&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/PanGestureHandler&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&lt;\/GestureHandlerRootView&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;);<\/span>\n<span style=\"font-weight: 400;\">};<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-gi\u1ea3i-thich-cach-t\u1ea1o-animation-trong-react-native-va-cac-th\u01b0-vi\u1ec7n-h\u1ed7-tr\u1ee3-nh\u01b0-react-native-reanimated-nbsp\"><span style=\"font-weight: 400;\"><strong>Gi\u1ea3i th\u00edch c\u00e1ch t\u1ea1o Animation trong React Native v\u00e0 c\u00e1c th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3 nh\u01b0 React Native Reanimated<\/strong>&nbsp;<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong React Native, vi\u1ec7c t\u1ea1o Animation gi\u00fap c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 l\u00e0m cho \u1ee9ng d\u1ee5ng tr\u1edf n\u00ean s\u1ed1ng \u0111\u1ed9ng h\u01a1n. \u0110\u1ec3 t\u1ea1o Animation, React Native cung c\u1ea5p m\u1ed9t s\u1ed1 API v\u00e0 th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3, ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 <\/span><b>Animated<\/b><b> API<\/b><span style=\"font-weight: 400;\"> v\u00e0 <\/span><b>React Native Reanimated<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-cach-t\u1ea1o-animation-v\u1edbi-animated-api\"><b>C\u00e1ch t\u1ea1o Animation v\u1edbi <\/b><b>Animated<\/b><b> API<\/b><\/h4>\n\n\n\n<p><a href=\"https:\/\/reactnative.dev\/docs\/animated\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Animated<\/span><\/a><span style=\"font-weight: 400;\"> l\u00e0 API g\u1ed1c c\u1ee7a React Native, h\u1ed7 tr\u1ee3 vi\u1ec7c t\u1ea1o Animation \u0111\u01a1n gi\u1ea3n. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Animated\u0111\u1ec3 t\u1ea1o c\u00e1c hi\u1ec7u \u1ee9ng chuy\u1ec3n \u0111\u1ed9ng cho c\u00e1c thu\u1ed9c t\u00ednh nh\u01b0 v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 m\u1edd, ho\u1eb7c m\u00e0u s\u1eafc c\u1ee7a m\u1ed9t component.<\/span><\/p>\n\n\n\n<p><b>V\u00ed d\u1ee5: T\u1ea1o Animation \u0111\u01a1n gi\u1ea3n v\u1edbi <\/b><b>Animated<\/b><b> API<\/b><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">import React, { useRef, useEffect } from 'react';<\/span>\n<span style=\"font-weight: 400;\">import { Animated, View, Button } from 'react-native';<\/span>\n\n<span style=\"font-weight: 400;\">const SimpleAnimation = () =&gt; {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;const opacity = useRef(new Animated.Value(0)).current;\n<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;const fadeIn = () =&gt; {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;Animated.timing(opacity, {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;toValue: 1,<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;duration: 1000,<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;useNativeDriver: true,<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;}).start();<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;};<\/span>\n\n<span style=\"font-weight: 400;\"> &nbsp;return (<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&lt;View&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;Animated.View style={{ opacity, width: 100, height: 100, backgroundColor: 'blue' }} \/&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;Button title=\"Fade In\" onPress={fadeIn} \/&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&lt;\/View&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;);<\/span>\n<span style=\"font-weight: 400;\">};<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong v\u00ed d\u1ee5 n\u00e0y, <\/span><span style=\"font-weight: 400;\">Animated.Value<\/span><span style=\"font-weight: 400;\"> t\u1ea1o ra m\u1ed9t gi\u00e1 tr\u1ecb c\u00f3 th\u1ec3 thay \u0111\u1ed5i (\u1edf \u0111\u00e2y l\u00e0 <\/span><span style=\"font-weight: 400;\">opacity<\/span><span style=\"font-weight: 400;\">), v\u00e0 <\/span><span style=\"font-weight: 400;\">Animated.timing<\/span><span style=\"font-weight: 400;\"> gi\u00fap th\u1ef1c hi\u1ec7n Animation theo th\u1eddi gian.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-th\u01b0-vi\u1ec7n-h\u1ed7-tr\u1ee3-react-native-reanimated\"><b>Th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3: React Native Reanimated<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong khi <\/span><span style=\"font-weight: 400;\">Animated<\/span><span style=\"font-weight: 400;\"> API c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u01a1 b\u1ea3n, <\/span><a href=\"https:\/\/www.npmjs.com\/package\/react-native-reanimated\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">React Native Reanimated<\/span><\/a><span style=\"font-weight: 400;\"> mang \u0111\u1ebfn nhi\u1ec1u kh\u1ea3 n\u0103ng m\u1ea1nh m\u1ebd h\u01a1n khi c\u1ea7n x\u1eed l\u00fd Animation ph\u1ee9c t\u1ea1p ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">React Native Reanimated<\/span><span style=\"font-weight: 400;\"> cho ph\u00e9p th\u1ef1c hi\u1ec7n Animation m\u01b0\u1ee3t m\u00e0, \u0111\u1ed3ng th\u1eddi gi\u1ea3m t\u1ea3i cho JS thread, nh\u1edd \u0111\u00f3 \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 nhanh h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi c\u00e1c Animation ph\u1ee9c t\u1ea1p.<\/span><\/p>\n\n\n\n<p><b>C\u00e1c t\u00ednh n\u0103ng n\u1ed5i b\u1eadt c\u1ee7a <\/b><b>React Native Reanimated<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>M\u01b0\u1ee3t m\u00e0 h\u01a1n:<\/b> <span style=\"font-weight: 400;\">React Native Reanimated<\/span><span style=\"font-weight: 400;\"> gi\u00fap Animation ch\u1ea1y m\u01b0\u1ee3t m\u00e0 nh\u1edd vi\u1ec7c ch\u1ea1y tr\u1ef1c ti\u1ebfp tr\u00ean UI thread thay v\u00ec ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o JS thread.<\/span><\/li>\n\n\n\n<li><b>C\u1ea5u tr\u00fac r\u00f5 r\u00e0ng:<\/b><span style=\"font-weight: 400;\"> Cung c\u1ea5p m\u1ed9t c\u00fa ph\u00e1p r\u00f5 r\u00e0ng, d\u1ec5 s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o c\u00e1c Animation ph\u1ee9c t\u1ea1p, v\u00ed d\u1ee5 nh\u01b0 Gesture Handling v\u00e0 c\u00e1c Interaction.<\/span><\/li>\n\n\n\n<li><b>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/b><span style=\"font-weight: 400;\"> Cho ph\u00e9p k\u1ebft h\u1ee3p Animation v\u1edbi c\u00e1c h\u00e0nh vi ph\u1ee9c t\u1ea1p nh\u01b0 Spring, Decay ho\u1eb7c c\u00e1c hi\u1ec7u \u1ee9ng v\u1eadt l\u00fd.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>V\u00ed d\u1ee5: T\u1ea1o Animation v\u1edbi <\/b><b>React Native Reanimated<\/b><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">import React from 'react';<\/span>\n<span style=\"font-weight: 400;\">import { Button } from 'react-native';<\/span>\n<span style=\"font-weight: 400;\">import { useSharedValue, useAnimatedStyle, withTiming } from 'react-native-reanimated';<\/span>\n\n<span style=\"font-weight: 400;\">const ReanimatedExample = () =&gt; {<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;const opacity = useSharedValue(0);<\/span>\n\n<span style=\"font-weight: 400;\"> &nbsp;const animatedStyle = useAnimatedStyle(() =&gt; {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;return {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;opacity: opacity.value,<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;};<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;});<\/span>\n\n<span style=\"font-weight: 400;\"> &nbsp;const fadeIn = () =&gt; {<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;opacity.value = withTiming(1, { duration: 1000 });<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;};<\/span>\n\n<span style=\"font-weight: 400;\"> &nbsp;return (<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&lt;&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;Animated.View style={&#91;{ width: 100, height: 100, backgroundColor: 'red' }, animatedStyle]} \/&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;Button title=\"Fade In\" onPress={fadeIn} \/&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&lt;\/&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;);<\/span>\n<span style=\"font-weight: 400;\">};<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong v\u00ed d\u1ee5 n\u00e0y, <\/span><span style=\"font-weight: 400;\">useSharedValue<\/span><span style=\"font-weight: 400;\"> t\u1ea1o ra m\u1ed9t gi\u00e1 tr\u1ecb chia s\u1ebb gi\u1eefa c\u00e1c Animation, c\u00f2n <\/span><span style=\"font-weight: 400;\">useAnimatedStyle<\/span><span style=\"font-weight: 400;\"> gi\u00fap \u00e1p d\u1ee5ng hi\u1ec7u \u1ee9ng Animation v\u00e0o style c\u1ee7a component.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-s\u1eed-d\u1ee5ng-stylesheet-trong-react-native-va-s\u1ef1-khac-bi\u1ec7t-gi\u1eefa-inline-styles-va-stylesheet\"><strong>C\u00e1ch s\u1eed d\u1ee5ng StyleSheet trong React Native v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa inline styles v\u00e0 StyleSheet<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong React Native, <\/span><span style=\"font-weight: 400;\">StyleSheet<\/span><span style=\"font-weight: 400;\"> gi\u00fap \u0111\u1ecbnh ngh\u0129a c\u00e1c style t\u00e1i s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch t\u00e1ch bi\u1ec7t, d\u1ec5 qu\u1ea3n l\u00fd v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t h\u01a1n so v\u1edbi <\/span><span style=\"font-weight: 400;\">inline styles<\/span><span style=\"font-weight: 400;\">. <\/span><span style=\"font-weight: 400;\">StyleSheet<\/span><span style=\"font-weight: 400;\"> bi\u1ebfn c\u00e1c style th\u00e0nh m\u00e3 native ngay t\u1eeb l\u00fac bi\u00ean d\u1ecbch, trong khi <\/span><span style=\"font-weight: 400;\">inline styles<\/span><span style=\"font-weight: 400;\"> c\u1ea7n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n l\u1ea1i m\u1ed7i l\u1ea7n render, c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t n\u1ebfu s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Do \u0111\u00f3, m\u00ecnh th\u01b0\u1eddng d\u00f9ng <\/span><span style=\"font-weight: 400;\">StyleSheet<\/span><span style=\"font-weight: 400;\"> cho c\u00e1c style c\u1ed1 \u0111\u1ecbnh v\u00e0 <\/span><span style=\"font-weight: 400;\">inline styles<\/span><span style=\"font-weight: 400;\"> khi c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh style \u0111\u1ed9ng.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>N\u1ed9i dung&nbsp;<\/b><\/td><td><b>StyleSheet&nbsp;<\/b><\/td><td><b>Inline Styles<\/b><\/td><\/tr><tr><td><b>Kh\u00e1i ni\u1ec7m<\/b><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">StyleSheet.create<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 \u0111\u1ecbnh ngh\u0129a c\u00e1c ki\u1ec3u m\u1ed9t c\u00e1ch t\u1eadp trung.<\/span><\/td><td><span style=\"font-weight: 400;\">\u0110\u1ecbnh ngh\u0129a c\u00e1c ki\u1ec3u tr\u1ef1c ti\u1ebfp trong thu\u1ed9c t\u00ednh <\/span><span style=\"font-weight: 400;\">style<\/span><span style=\"font-weight: 400;\">.<\/span><\/td><\/tr><tr><td><b>C\u00e1ch s\u1eed d\u1ee5ng<\/b><\/td><td class=\"has-text-align-left\" data-align=\"left\"><span style=\"font-weight: 400;\">javascript const styles = StyleSheet.create({ container: { flex: 1, backgroundColor: &#8216;white&#8217;, padding: 10, }, }); javascript &lt;View style={styles.container}&gt;&lt;\/View&gt;<\/span><\/td><td class=\"has-text-align-left\" data-align=\"left\"><span style=\"font-weight: 400;\">javascript &lt;View style={{ flex: 1, backgroundColor: &#8216;white&#8217;, padding: 10 }}&gt;&lt;\/View&gt;<\/span><\/td><\/tr><tr><td><b>T\u00e1i s\u1eed d\u1ee5ng<\/b><\/td><td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng ki\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a nhi\u1ec1u l\u1ea7n trong \u1ee9ng d\u1ee5ng.<\/span><\/td><td><span style=\"font-weight: 400;\">M\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng ph\u1ea3i khai b\u00e1o ki\u1ec3u tr\u1ef1c ti\u1ebfp, kh\u00f3 t\u00e1i s\u1eed d\u1ee5ng.<\/span><\/td><\/tr><tr><td><b>Hi\u1ec7u su\u1ea5t<\/b><\/td><td><span style=\"font-weight: 400;\">Hi\u1ec7u qu\u1ea3 h\u01a1n khi t\u1ed1i \u01b0u b\u1ed9 nh\u1edb v\u00ec c\u00e1c ki\u1ec3u \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd d\u01b0\u1edbi d\u1ea1ng t\u0129nh.<\/span><\/td><td><span style=\"font-weight: 400;\">\u00cdt hi\u1ec7u qu\u1ea3 h\u01a1n v\u00ec m\u1ed7i l\u1ea7n khai b\u00e1o t\u1ea1o ra m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng m\u1edbi.<\/span><\/td><\/tr><tr><td><b>T\u00ednh r\u00f5 r\u00e0ng v\u00e0 t\u1ed5 ch\u1ee9c<\/b><\/td><td><span style=\"font-weight: 400;\">Gi\u00fap m\u00e3 ngu\u1ed3n r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n khi c\u00e1c ki\u1ec3u \u0111\u01b0\u1ee3c t\u00e1ch bi\u1ec7t.<\/span><\/td><td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n trong qu\u1ea3n l\u00fd n\u1ebfu ki\u1ec3u qu\u00e1 d\u00e0i ho\u1eb7c ph\u1ee9c t\u1ea1p.<\/span><\/td><\/tr><tr><td><b>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u00f9 h\u1ee3p<\/b><\/td><td><span style=\"font-weight: 400;\">Khi c\u1ea7n \u0111\u1ecbnh ngh\u0129a ki\u1ec3u ph\u1ee9c t\u1ea1p ho\u1eb7c t\u00e1i s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n.<\/span><\/td><td><span style=\"font-weight: 400;\">Khi ch\u1ec9 c\u1ea7n \u0111\u1ecbnh ngh\u0129a ki\u1ec3u \u0111\u01a1n gi\u1ea3n, nhanh ch\u00f3ng.<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-react-native-v\u1ec1-x\u1eed-ly-d\u1eef-li\u1ec7u-va-api\"><span class=\"ez-toc-section\" id=\"Cau_hoi_phong_van_React_Native_ve_xu_ly_du_lieu_va_API\"><\/span><strong>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 x\u1eed l\u00fd d\u1eef li\u1ec7u v\u00e0 API<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-s\u1eed-d\u1ee5ng-fetch-api-ho\u1eb7c-axios-d\u1ec3-g\u1ecdi-api-trong-react-native\"><strong>C\u00e1ch s\u1eed d\u1ee5ng Fetch API ho\u1eb7c Axios \u0111\u1ec3 g\u1ecdi API trong React Native<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-fetch-api\"><b>Fetch API<\/b><\/h4>\n\n\n\n<p><a href=\"https:\/\/reactnative.dev\/docs\/network\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Fetch API<\/span><\/a><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 s\u1eb5n trong JavaScript v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp trong React Native \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u HTTP.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const fetchData = async () =&gt; {\n  try {\n    const response = await fetch('https:\/\/api.example.com\/data');\n\n    if (!response.ok) {\n      throw new Error('Network response was not ok');\n    }\n\n    const data = await response.json();\n    console.log(data);\n  } catch (error) {\n    console.error('Fetch error: ', error);\n  }\n};<\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Gi\u1ea3i th\u00edch:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">fetch<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u GET t\u1edbi API.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">response.json()<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i ph\u1ea3n h\u1ed3i th\u00e0nh \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">X\u1eed l\u00fd l\u1ed7i n\u1ebfu ph\u1ea3n h\u1ed3i kh\u00f4ng th\u00e0nh c\u00f4ng.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-axios\"><b>Axios<\/b><\/h4>\n\n\n\n<p><a href=\"https:\/\/www.npmjs.com\/package\/react-native-axios\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Axios<\/span><\/a><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n b\u00ean th\u1ee9 ba \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00ec c\u00fa ph\u00e1p ng\u1eafn g\u1ecdn v\u00e0 kh\u1ea3 n\u0103ng c\u1ea5u h\u00ecnh cao.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t Axios:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">npm install axios<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import axios from 'axios';\n\nconst fetchData = async () =&gt; {\n  try {\n    const response = await axios.get('https:\/\/api.example.com\/data');\n    console.log(response.data);\n  } catch (error) {\n    console.error('Axios error: ', error);\n  }\n};<\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Gi\u1ea3i th\u00edch:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">axios.get<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u GET.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Ph\u1ea3n h\u1ed3i c\u1ee7a Axios d\u1ec5 l\u00e0m vi\u1ec7c h\u01a1n v\u00ec d\u1eef li\u1ec7u \u0111\u00e3 c\u00f3 s\u1eb5n trong <\/span><span style=\"font-weight: 400;\">response.data<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">X\u1eed l\u00fd l\u1ed7i v\u1edbi <\/span><span style=\"font-weight: 400;\">try&#8230;catch<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-async-await-trong-javascript-la-gi-cach-s\u1eed-d\u1ee5ng-chung-trong-react-native\"><strong>async\/await trong JavaScript l\u00e0 g\u00ec? C\u00e1ch s\u1eed d\u1ee5ng ch\u00fang trong React Native<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong JavaScript, <\/span><span style=\"font-weight: 400;\">async\/await<\/span><span style=\"font-weight: 400;\"> l\u00e0 c\u00fa ph\u00e1p d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 (asynchronous operations) m\u1ed9t c\u00e1ch d\u1ec5 \u0111\u1ecdc v\u00e0 r\u00f5 r\u00e0ng h\u01a1n so v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u00e0m <\/span><span style=\"font-weight: 400;\">Promise<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c callback.<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>async<\/b><span style=\"font-weight: 400;\">: T\u1eeb kh\u00f3a n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u01b0\u1edbc m\u1ed9t h\u00e0m \u0111\u1ec3 \u0111\u00e1nh d\u1ea5u r\u1eb1ng h\u00e0m \u0111\u00f3 l\u00e0 b\u1ea5t \u0111\u1ed3ng b\u1ed9 (asynchronous). Khi m\u1ed9t h\u00e0m \u0111\u01b0\u1ee3c khai b\u00e1o v\u1edbi t\u1eeb kh\u00f3a <\/span><span style=\"font-weight: 400;\">async<\/span><span style=\"font-weight: 400;\">, n\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng tr\u1ea3 v\u1ec1 m\u1ed9t <\/span><span style=\"font-weight: 400;\">Promise<\/span><span style=\"font-weight: 400;\">. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">await<\/span><span style=\"font-weight: 400;\"> b\u00ean trong h\u00e0m \u0111\u00f3.<\/span><\/li>\n\n\n\n<li><b>await<\/b><span style=\"font-weight: 400;\">: T\u1eeb kh\u00f3a n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u00ean trong m\u1ed9t h\u00e0m <\/span><span style=\"font-weight: 400;\">async<\/span><span style=\"font-weight: 400;\">. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1m d\u1eebng vi\u1ec7c th\u1ef1c thi c\u1ee7a h\u00e0m cho \u0111\u1ebfn khi m\u1ed9t <\/span><span style=\"font-weight: 400;\">Promise<\/span><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh, gi\u00fap vi\u1ebft m\u00e3 \u0111\u1ed3ng b\u1ed9 h\u01a1n v\u00e0 d\u1ec5 \u0111\u1ecdc h\u01a1n.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi v\u1ec1 <\/span><span style=\"font-weight: 400;\">async\/await<\/span><span style=\"font-weight: 400;\"> trong ph\u1ecfng v\u1ea5n cho v\u1ecb tr\u00ed React Native Developer, \u1ee9ng vi\u00ean n\u00ean t\u1eadp trung gi\u1ea3i th\u00edch kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u00e0 tr\u00ecnh b\u00e0y c\u00e1ch s\u1eed d\u1ee5ng n\u00f3 trong b\u1ed1i c\u1ea3nh \u1ee9ng d\u1ee5ng React Native.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong React Native, <\/span><span style=\"font-weight: 400;\">async\/await<\/span><span style=\"font-weight: 400;\"> th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u1ea7n l\u1ea5y d\u1eef li\u1ec7u t\u1eeb API ho\u1eb7c x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 t\u1ed1n th\u1eddi gian nh\u01b0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ee5c b\u1ed9. V\u00ed d\u1ee5:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const fetchData = async () =&gt; {\n  try {\n    const response = await fetch('https:\/\/api.example.com\/data');\n    const data = await response.json();\n    console.log('D\u1eef li\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c:', data);\n  } catch (error) {\n    console.error('L\u1ed7i khi l\u1ea5y d\u1eef li\u1ec7u:', error);\n  }\n};<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-qu\u1ea3n-ly-d\u1eef-li\u1ec7u-t\u1eeb-api-trong-redux-store\"><strong>C\u00e1ch qu\u1ea3n l\u00fd d\u1eef li\u1ec7u t\u1eeb API trong Redux Store<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u t\u1eeb API trong Redux Store, t\u00f4i s\u1ebd b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c t\u1ea1o m\u1ed9t <\/span><span style=\"font-weight: 400;\">action<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 g\u1ecdi API, v\u00ed d\u1ee5 nh\u01b0 <\/span><span style=\"font-weight: 400;\">fetchData<\/span><span style=\"font-weight: 400;\">. Sau \u0111\u00f3, t\u00f4i s\u1ebd s\u1eed d\u1ee5ng m\u1ed9t middleware nh\u01b0 <\/span><span style=\"font-weight: 400;\">redux-thunk<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">redux-saga<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 th\u1ef1c hi\u1ec7n g\u1ecdi API b\u1ea5t \u0111\u1ed3ng b\u1ed9.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi API \u0111\u01b0\u1ee3c g\u1ecdi, t\u00f4i s\u1ebd dispatch ba lo\u1ea1i <\/span><span style=\"font-weight: 400;\">action<\/span><span style=\"font-weight: 400;\"> kh\u00e1c nhau:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">M\u1ed9t action \u0111\u1ec3 b\u00e1o hi\u1ec7u qu\u00e1 tr\u00ecnh g\u1ecdi API \u0111ang \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh (<\/span><span style=\"font-weight: 400;\">FETCH_DATA_REQUEST<\/span><span style=\"font-weight: 400;\">).<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">M\u1ed9t action khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea3i th\u00e0nh c\u00f4ng (<\/span><span style=\"font-weight: 400;\">FETCH_DATA_SUCCESS<\/span><span style=\"font-weight: 400;\">) \u0111\u1ec3 c\u1eadp nh\u1eadt d\u1eef li\u1ec7u v\u00e0o Store.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">M\u1ed9t action khi x\u1ea3y ra l\u1ed7i trong qu\u00e1 tr\u00ecnh g\u1ecdi API (<\/span><span style=\"font-weight: 400;\">FETCH_DATA_FAILURE<\/span><span style=\"font-weight: 400;\">) \u0111\u1ec3 hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o l\u1ed7i.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Reducer s\u1ebd l\u1eafng nghe c\u00e1c action n\u00e0y v\u00e0 c\u1eadp nh\u1eadt Redux Store d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3. V\u00ed d\u1ee5, n\u1ebfu th\u00e0nh c\u00f4ng, t\u00f4i s\u1ebd c\u1eadp nh\u1eadt d\u1eef li\u1ec7u v\u00e0o Store, c\u00f2n n\u1ebfu g\u1eb7p l\u1ed7i, t\u00f4i s\u1ebd l\u01b0u th\u00f4ng tin l\u1ed7i v\u00e0o Store \u0111\u1ec3 c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o cho ng\u01b0\u1eddi d\u00f9ng. Trong component, t\u00f4i s\u1ebd s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">useSelector<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 truy xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb Store v\u00e0 <\/span><span style=\"font-weight: 400;\">useDispatch<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 dispatch c\u00e1c action khi c\u1ea7n.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-d\u01b0\u1edbi-day-la-m\u1ed9t-s\u1ed1-l\u1ed7i-ph\u1ed5-bi\u1ebfn-khi-g\u1ecdi-api-trong-react-native-la-gi\"><strong>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u1ed7i ph\u1ed5 bi\u1ebfn khi g\u1ecdi API trong React Native l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-network-request-failed\"><b>L\u1ed7i <\/b><b>Network Request Failed<\/b><\/h4>\n\n\n\n<p><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb kh\u00f4ng c\u00f3 k\u1ebft n\u1ed1i internet.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">API kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt b\u1eb1ng HTTPS (ch\u1ec9 s\u1eed d\u1ee5ng HTTP).<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">URL API sai ho\u1eb7c kh\u00f4ng t\u1ed3n t\u1ea1i.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Thi\u1ebfu quy\u1ec1n truy c\u1eadp m\u1ea1ng tr\u00ean Android (<\/span><span style=\"font-weight: 400;\">AndroidManifest.xml<\/span><span style=\"font-weight: 400;\">).<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-cors-error-cross-origin-resource-sharing\"><b> CORS Error (Cross-Origin Resource Sharing)<\/b><\/h4>\n\n\n\n<p><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">M\u00e1y ch\u1ee7 API kh\u00f4ng cho ph\u00e9p y\u00eau c\u1ea7u t\u1eeb ngu\u1ed3n g\u1ed1c (origin) c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Thi\u1ebfu c\u1ea5u h\u00ecnh header <\/span><span style=\"font-weight: 400;\">Access-Control-Allow-Origin<\/span><span style=\"font-weight: 400;\"> tr\u00ean server.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-khong-b\u1eaft-d\u01b0\u1ee3c-response-ho\u1eb7c-error\"><b> L\u1ed7i kh\u00f4ng b\u1eaft \u0111\u01b0\u1ee3c <\/b><b>response<\/b><b> ho\u1eb7c <\/b><b>error<\/b><\/h4>\n\n\n\n<p><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Kh\u00f4ng x\u1eed l\u00fd \u0111\u1ea7y \u0111\u1ee7 c\u00e1c tr\u1ea1ng th\u00e1i trong <\/span><span style=\"font-weight: 400;\">try-catch<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Kh\u00f4ng th\u00eam <\/span><span style=\"font-weight: 400;\">catch<\/span><span style=\"font-weight: 400;\"> khi s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">Promise<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-timeout-ho\u1eb7c-api-khong-ph\u1ea3n-h\u1ed3i\"><b> L\u1ed7i <\/b><b>Timeout<\/b><b> ho\u1eb7c API kh\u00f4ng ph\u1ea3n h\u1ed3i<\/b><\/h4>\n\n\n\n<p><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">M\u00e1y ch\u1ee7 ph\u1ea3n h\u1ed3i qu\u00e1 ch\u1eadm.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng kh\u00f4ng thi\u1ebft l\u1eadp gi\u1edbi h\u1ea1n th\u1eddi gian cho y\u00eau c\u1ea7u.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-json-parse-error\"><b> L\u1ed7i <\/b><b>JSON Parse Error<\/b><\/h4>\n\n\n\n<p><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Ph\u1ea3n h\u1ed3i t\u1eeb server kh\u00f4ng ph\u1ea3i JSON h\u1ee3p l\u1ec7.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u0110\u00e3 g\u1ecdi <\/span><span style=\"font-weight: 400;\">response.json()<\/span><span style=\"font-weight: 400;\"> tr\u00ean m\u1ed9t ph\u1ea3n h\u1ed3i kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-401-unauthorized-ho\u1eb7c-403-forbidden\"><b> L\u1ed7i <\/b><b>401 Unauthorized<\/b><b> ho\u1eb7c <\/b><b>403 Forbidden<\/b><\/h4>\n\n\n\n<p><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Thi\u1ebfu ho\u1eb7c sai token trong header Authorization.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng c\u00f3 quy\u1ec1n truy c\u1eadp t\u00e0i nguy\u00ean.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-500-internal-server-error-ho\u1eb7c-503-service-unavailable\"><b> L\u1ed7i <\/b><b>500 Internal Server Error<\/b><b> ho\u1eb7c <\/b><b>503 Service Unavailable<\/b><\/h4>\n\n\n\n<p><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">L\u1ed7i m\u00e1y ch\u1ee7 ho\u1eb7c server \u0111ang b\u1ea3o tr\u00ec.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cac-cach-x\u1eed-ly-l\u1ed7i-khi-g\u1ecdi-api-trong-\u1ee9ng-d\u1ee5ng-react-native\"><strong>C\u00e1c c\u00e1ch x\u1eed l\u00fd l\u1ed7i khi g\u1ecdi API trong \u1ee9ng d\u1ee5ng React Native<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi x\u1eed l\u00fd l\u1ed7i khi g\u1ecdi API trong \u1ee9ng d\u1ee5ng React Native, nh\u00e0 tuy\u1ec3n d\u1ee5ng th\u01b0\u1eddng mu\u1ed1n \u0111\u00e1nh gi\u00e1 c\u00e1ch b\u1ea1n qu\u1ea3n l\u00fd c\u00e1c t\u00ecnh hu\u1ed1ng l\u1ed7i trong qu\u00e1 tr\u00ecnh giao ti\u1ebfp v\u1edbi server, bao g\u1ed3m c\u00e1c l\u1ed7i v\u1ec1 m\u1ea1ng, l\u1ed7i t\u1eeb server, hay d\u1eef li\u1ec7u kh\u00f4ng h\u1ee3p l\u1ec7. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u00f4ng d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c l\u1ed7i \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean:<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-s\u1eed-d\u1ee5ng-try-catch-v\u1edbi-async-await\"><b>S\u1eed d\u1ee5ng <\/b><b>try&#8230;catch<\/b><b> v\u1edbi <\/b><b>async\/await<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">M\u1ed9t c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u1ec3 x\u1eed l\u00fd l\u1ed7i l\u00e0 s\u1eed d\u1ee5ng try&#8230;catch v\u1edbi c\u00fa ph\u00e1p async\/await. \u0110i\u1ec1u n\u00e0y gi\u00fap ki\u1ec3m so\u00e1t l\u1ed7i x\u1ea3y ra khi g\u1ecdi API m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 hi\u1ec3u:&nbsp;<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>async function fetchData() {\n  try {\n    const response = await fetch('https:\/\/api.example.com\/data');\n    if (!response.ok) {\n      <em>\/\/ X\u1eed l\u00fd l\u1ed7i khi server tr\u1ea3 v\u1ec1 response kh\u00f4ng h\u1ee3p l\u1ec7<\/em>\n     throw new Error(Server error: ${response.status}`);\n    }\n    const data = await response.json();\n    return data;\n  } catch (error) {\n    <em>\/\/ X\u1eed l\u00fd c\u00e1c l\u1ed7i kh\u00e1c nh\u01b0 l\u1ed7i m\u1ea1ng<\/em>\n    console.error('Fetch error:', error);\n    throw error; <em>\/\/ C\u00f3 th\u1ec3 tr\u1ea3 v\u1ec1 l\u1ed7i \u0111\u1ec3 x\u1eed l\u00fd th\u00eam \u1edf n\u01a1i kh\u00e1c<\/em>\n  }\n}<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-ki\u1ec3m-tra-ma-tr\u1ea1ng-thai-http\">Ki\u1ec3m<b> tra m\u00e3 tr\u1ea1ng th\u00e1i HTTP<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i t\u1eeb server, c\u1ea7n ki\u1ec3m tra m\u00e3 tr\u1ea1ng th\u00e1i HTTP (<\/span><span style=\"font-weight: 400;\">status code<\/span><span style=\"font-weight: 400;\">). C\u00e1c m\u00e3 nh\u01b0 <\/span><span style=\"font-weight: 400;\">404<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">500<\/span><span style=\"font-weight: 400;\"> th\u01b0\u1eddng cho th\u1ea5y l\u1ed7i t\u1eeb server:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>if (response.status === 404) {\n  console.warn('Not found: The requested resource does not exist.');\n} else if (response.status === 500) {\n  console.error('Server error: Something went wrong on the server.');\n}<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-hi\u1ec3n-th\u1ecb-thong-bao-l\u1ed7i-cho-ng\u01b0\u1eddi-dung\"><b>Hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o l\u1ed7i cho ng\u01b0\u1eddi d\u00f9ng<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi g\u1eb7p l\u1ed7i, n\u00ean hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o d\u1ec5 hi\u1ec3u cho ng\u01b0\u1eddi d\u00f9ng thay v\u00ec ch\u1ec9 log l\u1ed7i. \u0110i\u1ec1u n\u00e0y c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">catch (error) {<\/span>\n\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;Alert.alert('L\u1ed7i', 'Kh\u00f4ng th\u1ec3 t\u1ea3i d\u1eef li\u1ec7u. Vui l\u00f2ng ki\u1ec3m tra k\u1ebft n\u1ed1i m\u1ea1ng v\u00e0 th\u1eed l\u1ea1i.');<\/span>\n\n<span style=\"font-weight: 400;\">}<\/span><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-qu\u1ea3n-ly-l\u1ed7i-toan-c\u1ee5c-v\u1edbi-redux-ho\u1eb7c-context-api\"><b>Qu\u1ea3n l\u00fd l\u1ed7i to\u00e0n c\u1ee5c v\u1edbi Redux ho\u1eb7c Context API<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 x\u1eed l\u00fd l\u1ed7i m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n trong \u1ee9ng d\u1ee5ng, c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i l\u1ed7i th\u00f4ng qua Redux ho\u1eb7c Context API, gi\u00fap l\u01b0u tr\u1eef v\u00e0 hi\u1ec3n th\u1ecb l\u1ed7i \u1edf c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch \u0111\u1ed3ng b\u1ed9.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-them-c\u01a1-ch\u1ebf-retry-th\u1eed-l\u1ea1i\"><b>Th\u00eam c\u01a1 ch\u1ebf Retry (Th\u1eed l\u1ea1i)<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">N\u1ebfu x\u1ea3y ra l\u1ed7i do k\u1ebft n\u1ed1i m\u1ea1ng, c\u00f3 th\u1ec3 th\u00eam t\u00ednh n\u0103ng th\u1eed l\u1ea1i (retry) sau m\u1ed9t kho\u1ea3ng th\u1eddi gian:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function fetchDataWithRetry (retryCount = 3) {\n  let attempts = 0;\n  const fetchData = async () =&gt; {\n    try {\n      const response = await fetch('https:\/\/api.example.com\/data');\n      if (!response.ok) throw new Error('Server error');\n      return await response.json();\n    } catch (error) {\n      if (attempts &lt; retryCount) {\n        attempts++;\n        console.log('Retrying... (${attempts}\/${retryCount})`);\n        return fetchData();\n      }\n      throw error;\n    }\n  };\n  return fetchData();\n}<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-s\u1eed-d\u1ee5ng-cac-th\u01b0-vi\u1ec7n-h\u1ed7-tr\u1ee3\"><b>S\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i <\/span><span style=\"font-weight: 400;\">fetch<\/span><span style=\"font-weight: 400;\">, c\u00e1c th\u01b0 vi\u1ec7n nh\u01b0 Axios cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng ti\u1ec7n l\u1ee3i nh\u01b0 <\/span><span style=\"font-weight: 400;\">interceptors<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 x\u1eed l\u00fd l\u1ed7i t\u1eadp trung, retry t\u1ef1 \u0111\u1ed9ng, v\u00e0 d\u1ec5 d\u00e0ng c\u1ea5u h\u00ecnh:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import axios from 'axios';\n\naxios.interceptors.response.use(\n  response =&gt; response,\n  error =&gt; {\n    console.error('API error:', error);\n    return Promise. reject (error);\n  }\n);<\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Nh\u1eefng k\u1ef9 thu\u1eadt n\u00e0y th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng c\u1ee7a \u1ee9ng vi\u00ean trong vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1c t\u00ecnh hu\u1ed1ng l\u1ed7i ph\u1ee9c t\u1ea1p v\u00e0 cung c\u1ea5p tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t h\u01a1n, \u0111i\u1ec1u m\u00e0 nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u00e1nh gi\u00e1 cao \u1edf m\u1ed9t React Native Developer.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-s\u1eed-d\u1ee5ng-flatlist-d\u1ec3-hi\u1ec3n-th\u1ecb-danh-sach-d\u1eef-li\u1ec7u-t\u1eeb-api\"><strong>S\u1eed d\u1ee5ng FlatList \u0111\u1ec3 hi\u1ec3n th\u1ecb danh s\u00e1ch d\u1eef li\u1ec7u t\u1eeb API<\/strong><\/h3>\n\n\n\n<p><b>Fetch d\u1eef li\u1ec7u t\u1eeb API<\/b><span style=\"font-weight: 400;\">: \u0110\u1ea7u ti\u00ean, t\u00f4i s\u1ebd s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c nh\u01b0 <\/span><span style=\"font-weight: 400;\">fetch<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">axios<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn API v\u00e0 l\u1ea5y d\u1eef li\u1ec7u v\u1ec1.<\/span><\/p>\n\n\n\n<p><b>Qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i d\u1eef li\u1ec7u<\/b><span style=\"font-weight: 400;\">: T\u00f4i s\u1ebd s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">useState<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c nh\u1eadn v\u1ec1 t\u1eeb API<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">const &#91;dataList, setDataList] = useState(&#91;]);<\/span><\/code><\/pre>\n\n\n\n<p><b>Hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u v\u1edbi <\/b><b>FlatList<\/b><span style=\"font-weight: 400;\">: Ch\u00fang ta s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">FlatList<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 hi\u1ec3n th\u1ecb danh s\u00e1ch d\u1eef li\u1ec7u. <\/span><span style=\"font-weight: 400;\">FlatList<\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n t\u1ed1i \u01b0u \u0111\u1ec3 hi\u1ec3n th\u1ecb danh s\u00e1ch l\u1edbn v\u00ec n\u00f3 ch\u1ec9 render nh\u1eefng item xu\u1ea5t hi\u1ec7n tr\u00ean m\u00e0n h\u00ecnh.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;FlatList\n  data={dataList}\n  keyExtractor={(item) =&gt; item.id.toString()}\n  renderItem={( { item }) =&gt; (\n    &lt;View style={styles.itemContainer}&gt;\n      &lt;Text&gt;{item.title}&lt;\/Text&gt;\n    &lt;\/View&gt;\n  )}\n\/&gt;<\/code><\/pre>\n\n\n\n<p><b>T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t<\/b><span style=\"font-weight: 400;\">: \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o <\/span><span style=\"font-weight: 400;\">FlatList<\/span><span style=\"font-weight: 400;\"> ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u1edbi danh s\u00e1ch l\u1edbn, t\u00f4i s\u1ebd cung c\u1ea5p <\/span><span style=\"font-weight: 400;\">keyExtractor<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 \u0111\u1ecbnh danh t\u1eebng ph\u1ea7n t\u1eed v\u00e0 tr\u00e1nh render l\u1ea1i kh\u00f4ng c\u1ea7n thi\u1ebft. Ngo\u00e0i ra, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh <\/span><span style=\"font-weight: 400;\">initialNumToRender<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 ki\u1ec3m so\u00e1t s\u1ed1 l\u01b0\u1ee3ng ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c render l\u1ea7n \u0111\u1ea7u.<\/span><\/p>\n\n\n\n<p><b>X\u1eed l\u00fd khi t\u1ea3i d\u1eef li\u1ec7u<\/b><span style=\"font-weight: 400;\">: T\u00f4i c\u00f3 th\u1ec3 th\u00eam m\u1ed9t bi\u1ebfn tr\u1ea1ng th\u00e1i <\/span><span style=\"font-weight: 400;\">loading<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 hi\u1ec3n th\u1ecb m\u00e0n h\u00ecnh t\u1ea3i khi \u0111ang fetch d\u1eef li\u1ec7u:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const &#91;loading, setLoading] = useState(true);\n\nuseEffect(() =&gt; {\n  const fetchData = async () =&gt; {\n    setLoading (true);\n    try {\n      const response = await fetch('https:\/\/api.example.com\/data');\n      const data = await response.json();\n      setDataList(data);\n    } catch (error) {\n      console.error('Error fetching data:', error);\n    } finally {\n      setLoading (false);\n    }\n  };\n\n  fetchData();\n}, &#91;]);\n\nif (loading) {\n  return &lt;ActivityIndicator size=\"large\" color=\"#0000ff\" \/&gt;;\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-react-native-v\u1ec1-tich-h\u1ee3p-native-modules-va-native-code\"><span class=\"ez-toc-section\" id=\"Cau_hoi_phong_van_React_Native_ve_tich_hop_Native_Modules_va_Native_Code\"><\/span><strong>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 t\u00edch h\u1ee3p Native Modules v\u00e0 Native Code<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-tich-h\u1ee3p-m\u1ed9t-module-native-vao-\u1ee9ng-d\u1ee5ng-react-native-nbsp\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00edch h\u1ee3p m\u1ed9t module native v\u00e0o \u1ee9ng d\u1ee5ng React Native?&nbsp;<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u00edch h\u1ee3p m\u1ed9t module native v\u00e0o \u1ee9ng d\u1ee5ng React Native, quy tr\u00ecnh bao g\u1ed3m c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n sau:<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-t\u1ea1o-module-native-android-va-ios\"><b>T\u1ea1o module native (Android v\u00e0 iOS)<\/b><\/h4>\n\n\n\n<p><b>Android:<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Th\u00eam code Java ho\u1eb7c Kotlin trong th\u01b0 m\u1ee5c <\/span><span style=\"font-weight: 400;\">android<\/span><span style=\"font-weight: 400;\">. T\u1ea1o m\u1ed9t class m\u1edbi \u0111\u1ec3 x\u1eed l\u00fd logic c\u1ee7a module native.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng annotation <\/span><span style=\"font-weight: 400;\">@ReactMethod<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 \u0111\u00e1nh d\u1ea5u c\u00e1c ph\u01b0\u01a1ng th\u1ee9c s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1eeb React Native.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u0110\u0103ng k\u00fd module n\u00e0y v\u1edbi <\/span><span style=\"font-weight: 400;\">ReactPackage<\/span><span style=\"font-weight: 400;\"> trong code Java\/Kotlin v\u00e0 th\u00eam package n\u00e0y v\u00e0o <\/span><span style=\"font-weight: 400;\">MainApplication.java<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>iOS:<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Th\u00eam code Swift ho\u1eb7c Objective-C trong th\u01b0 m\u1ee5c <\/span><span style=\"font-weight: 400;\">ios<\/span><span style=\"font-weight: 400;\">. T\u1ea1o m\u1ed9t class m\u1edbi k\u1ebf th\u1eeba t\u1eeb <\/span><span style=\"font-weight: 400;\">RCTBridgeModule<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Implement c\u00e1c ph\u01b0\u01a1ng th\u1ee9c mu\u1ed1n g\u1ecdi t\u1eeb React Native v\u00e0 s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">RCT_EXPORT_METHOD<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 export c\u00e1c ph\u01b0\u01a1ng th\u1ee9c n\u00e0y.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o module \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd v\u1edbi Bridge b\u1eb1ng c\u00e1ch th\u00eam v\u00e0o file <\/span><span style=\"font-weight: 400;\">AppDelegate.m<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">AppDelegate.swift<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-s\u1eed-d\u1ee5ng-module-trong-react-native\"><b>S\u1eed d\u1ee5ng module trong React Native<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng module native trong JavaScript b\u1eb1ng c\u00e1ch import module v\u1eeba t\u1ea1o. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">NativeModules<\/span><span style=\"font-weight: 400;\"> t\u1eeb <\/span><span style=\"font-weight: 400;\">react-native<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 truy c\u1eadp module \u0111\u00e3 t\u00edch h\u1ee3p.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import {NativeModules} from 'react-native';\nconst {MyNativeModule } = NativeModules;\n\nMyNativeModule.someMethod('data', (result) =&gt; {\n  console.log('K\u1ebft qu\u1ea3 t\u1eeb module native:', result);\n});<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-ki\u1ec3m-tra-va-x\u1eed-ly-l\u1ed7i\"><b>Ki\u1ec3m tra v\u00e0 x\u1eed l\u00fd l\u1ed7i<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Ch\u1ea1y \u1ee9ng d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra xem module native c\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang kh\u00f4ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Debug c\u00e1c l\u1ed7i c\u00f3 th\u1ec3 ph\u00e1t sinh khi k\u1ebft n\u1ed1i gi\u1eefa React Native v\u00e0 module native.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o c\u00e1c ph\u01b0\u01a1ng th\u1ee9c trong module native t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c y\u00eau c\u1ea7u t\u1eeb ph\u00eda React Native.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-khac-nhau-gi\u1eefa-bridge-va-turbomodules-trong-react-native\"><strong>Kh\u00e1c nhau gi\u1eefa Bridge v\u00e0 TurboModules trong React Native<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Bridge v\u00e0 TurboModules l\u00e0 hai c\u00e1ch \u0111\u1ec3 React Native x\u1eed l\u00fd giao ti\u1ebfp gi\u1eefa m\u00e3 JavaScript v\u00e0 m\u00e3 g\u1ed1c:<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-bridge\"><a href=\"https:\/\/www.npmjs.com\/package\/react-native-react-bridge\" target=\"_blank\" rel=\"noopener\"><b>Bridge<\/b><\/a><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">L\u00e0 c\u01a1 ch\u1ebf giao ti\u1ebfp ban \u0111\u1ea7u c\u1ee7a React Native. N\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t l\u1edbp trung gian (bridge) \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa JavaScript v\u00e0 m\u00e3 g\u1ed1c th\u00f4ng qua JSON.<\/span><\/li>\n\n\n\n<li><b>\u0110i\u1ec3m m\u1ea1nh:<\/b><span style=\"font-weight: 400;\"> \u0110\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 hi\u1ec3u, d\u1ec5 m\u1edf r\u1ed9ng khi c\u1ea7n t\u00edch h\u1ee3p c\u00e1c module g\u1ed1c (native modules) m\u1edbi.<\/span><\/li>\n\n\n\n<li><b>\u0110i\u1ec3m y\u1ebfu:<\/b><span style=\"font-weight: 400;\"> Giao ti\u1ebfp th\u00f4ng qua JSON c\u00f3 th\u1ec3 g\u00e2y ra \u0111\u1ed9 tr\u1ec5 (latency), \u0111\u1eb7c bi\u1ec7t khi c\u00f3 l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn ho\u1eb7c y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao do c\u1ea7n chuy\u1ec3n \u0111\u1ed5i nhi\u1ec1u l\u1ea7n gi\u1eefa c\u00e1c ng\u00f4n ng\u1eef.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-turbomodules\"><a href=\"https:\/\/reactnative.dev\/docs\/turbo-native-modules-introduction\" target=\"_blank\" rel=\"noopener\"><b>TurboModules<\/b><\/a><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t c\u1ea3i ti\u1ebfn m\u1edbi trong ki\u1ebfn tr\u00fac c\u1ee7a React Native nh\u1eb1m thay th\u1ebf Bridge truy\u1ec1n th\u1ed1ng. TurboModules gi\u1ea3m thi\u1ec3u \u0111\u1ed9 tr\u1ec5 b\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a v\u00e0 giao ti\u1ebfp tr\u1ef1c ti\u1ebfp h\u01a1n gi\u1eefa JavaScript v\u00e0 m\u00e3 g\u1ed1c.<\/span><\/li>\n\n\n\n<li><b>\u0110i\u1ec3m m\u1ea1nh:<\/b><span style=\"font-weight: 400;\"> Hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n v\u1edbi \u0111\u1ed9 tr\u1ec5 th\u1ea5p, kh\u1ea3 n\u0103ng t\u1ea3i module m\u1ed9t c\u00e1ch linh ho\u1ea1t (on-demand), gi\u00fap gi\u1ea3m b\u1ed9 nh\u1edb s\u1eed d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><b>\u0110i\u1ec3m y\u1ebfu:<\/b><span style=\"font-weight: 400;\"> C\u1ea7n ki\u1ebfn th\u1ee9c s\u00e2u h\u01a1n v\u1ec1 c\u1ea5u tr\u00fac n\u1ed9i b\u1ed9 c\u1ee7a React Native v\u00e0 \u0111\u00f2i h\u1ecfi s\u1ef1 thay \u0111\u1ed5i trong c\u00e1ch vi\u1ebft m\u00e3 khi so s\u00e1nh v\u1edbi Bridge truy\u1ec1n th\u1ed1ng.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-so-sanh-bridge-vs-turbomodules\"><strong>So s\u00e1nh Bridge vs TurboModules<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>\u0110\u1eb7c \u0111i\u1ec3m&nbsp;<\/b><\/td><td><b>Bridge<\/b><b>&nbsp;<\/b><\/td><td><b>TurboModules<\/b><\/td><\/tr><tr><td><b>C\u01a1 ch\u1ebf giao ti\u1ebfp<\/b><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng l\u1edbp trung gian (bridge) \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u qua JSON gi\u1eefa JavaScript v\u00e0 m\u00e3 g\u1ed1c.<\/span><\/td><td><span style=\"font-weight: 400;\">Giao ti\u1ebfp tr\u1ef1c ti\u1ebfp h\u01a1n, gi\u1ea3m thi\u1ec3u chuy\u1ec3n \u0111\u1ed5i gi\u1eefa JavaScript v\u00e0 m\u00e3 g\u1ed1c.<\/span><\/td><\/tr><tr><td><b>\u0110i\u1ec3m m\u1ea1nh<\/b><\/td><td><span style=\"font-weight: 400;\">&#8211; \u0110\u01a1n gi\u1ea3n, d\u1ec5 hi\u1ec3u.<\/span>\n<p><span style=\"font-weight: 400;\">&#8211; D\u1ec5 m\u1edf r\u1ed9ng khi t\u00edch h\u1ee3p module native m\u1edbi.<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">&#8211; Hi\u1ec7u su\u1ea5t cao, \u0111\u1ed9 tr\u1ec5 th\u1ea5p.<\/span>\n<p><span style=\"font-weight: 400;\">&#8211; H\u1ed7 tr\u1ee3 t\u1ea3i module linh ho\u1ea1t (on-demand), gi\u1ea3m b\u1ed9 nh\u1edb s\u1eed d\u1ee5ng.<\/span><\/p>\n<\/td><\/tr><tr><td><b>\u0110i\u1ec3m y\u1ebfu<\/b><\/td><td><span style=\"font-weight: 400;\">&#8211; G\u00e2y \u0111\u1ed9 tr\u1ec5 do chuy\u1ec3n \u0111\u1ed5i JSON, \u0111\u1eb7c bi\u1ec7t v\u1edbi d\u1eef li\u1ec7u l\u1edbn ho\u1eb7c y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao.<\/span><\/td><td><span style=\"font-weight: 400;\">&#8211; \u0110\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c s\u00e2u v\u1ec1 React Native.<\/span>\n<p><span style=\"font-weight: 400;\">&#8211; C\u1ea7n thay \u0111\u1ed5i c\u00e1ch vi\u1ebft m\u00e3 so v\u1edbi Bridge truy\u1ec1n th\u1ed1ng.<\/span><\/p>\n<\/td><\/tr><tr><td><b>\u1ee8ng d\u1ee5ng<\/b><\/td><td><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c d\u1ef1 \u00e1n kh\u00f4ng y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao ho\u1eb7c kh\u00f4ng x\u1eed l\u00fd d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p.<\/span><\/td><td><span style=\"font-weight: 400;\">Th\u00edch h\u1ee3p cho c\u00e1c d\u1ef1 \u00e1n y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u, giao ti\u1ebfp nhanh gi\u1eefa JavaScript v\u00e0 m\u00e3 g\u1ed1c.<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, TurboModules mang l\u1ea1i l\u1ee3i \u00edch v\u1ec1 hi\u1ec7u su\u1ea5t, \u0111\u1eb7c bi\u1ec7t khi x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 y\u00eau c\u1ea7u t\u00e0i nguy\u00ean l\u1edbn ho\u1eb7c khi c\u1ea7n c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 ph\u1ee9c t\u1ea1p cao.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-gi\u1ea3i-thich-v\u1ec1-cach-giao-ti\u1ebfp-gi\u1eefa-javascript-va-native-code-trong-react-native\"><strong>Gi\u1ea3i th\u00edch v\u1ec1 c\u00e1ch giao ti\u1ebfp gi\u1eefa JavaScript v\u00e0 Native Code trong React Native<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong React Native, giao ti\u1ebfp gi\u1eefa JavaScript v\u00e0 Native Code \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ch\u1ee7 y\u1ebfu th\u00f4ng qua Bridge ho\u1eb7c TurboModules. Bridge l\u00e0 c\u00e1ch truy\u1ec1n th\u1ed1ng, d\u00f9ng \u0111\u1ec3 g\u1eedi v\u00e0 nh\u1eadn d\u1eef li\u1ec7u gi\u1eefa hai m\u00f4i tr\u01b0\u1eddng th\u00f4ng qua qu\u00e1 tr\u00ecnh tu\u1ea7n t\u1ef1 h\u00f3a.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, n\u00f3 c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m v\u1ec1 hi\u1ec7u su\u1ea5t. TurboModules, gi\u1ea3i ph\u00e1p m\u1edbi h\u01a1n, t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh n\u00e0y b\u1eb1ng c\u00e1ch cho ph\u00e9p truy c\u1eadp tr\u1ef1c ti\u1ebfp gi\u1eefa m\u00e3 Native v\u00e0 JavaScript, gi\u1ea3m thi\u1ec3u th\u1eddi gian ph\u1ea3n h\u1ed3i v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"270\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/12\/javascript-and-native-code-in-react-native-vippro-e1734410815531.jpg\" alt=\"c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n react native - itviec blog\" class=\"wp-image-82949\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/12\/javascript-and-native-code-in-react-native-vippro-e1734410815531.jpg 724w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/12\/javascript-and-native-code-in-react-native-vippro-e1734410815531-300x112.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/12\/javascript-and-native-code-in-react-native-vippro-e1734410815531-640x239.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/12\/javascript-and-native-code-in-react-native-vippro-e1734410815531-200x75.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/12\/javascript-and-native-code-in-react-native-vippro-e1734410815531-100x37.jpg 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/12\/javascript-and-native-code-in-react-native-vippro-e1734410815531-700x261.jpg 700w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-khi-nao-c\u1ea7n-s\u1eed-d\u1ee5ng-cac-th\u01b0-vi\u1ec7n-native-trong-react-native-thay-vi-cac-th\u01b0-vi\u1ec7n-react-native-co-s\u1eb5n-nbsp\"><strong>Khi n\u00e0o c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n native trong React Native thay v\u00ec c\u00e1c th\u01b0 vi\u1ec7n React Native c\u00f3 s\u1eb5n?&nbsp;<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p khi \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao, ti\u1ebfp c\u1eadn c\u00e1c ch\u1ee9c n\u0103ng ph\u1ea7n c\u1ee9ng \u0111\u1eb7c bi\u1ec7t, ho\u1eb7c c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng ch\u01b0a \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 b\u1edfi React Native, t\u00f4i s\u1ebd xem x\u00e9t s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n native.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, v\u1edbi nh\u1eefng t\u00e1c v\u1ee5 \u0111\u00f2i h\u1ecfi x\u1eed l\u00fd \u0111\u1ed3 h\u1ecda ph\u1ee9c t\u1ea1p nh\u01b0 hi\u1ec3n th\u1ecb b\u1ea3n \u0111\u1ed3 3D, video streaming ho\u1eb7c x\u1eed l\u00fd h\u00ecnh \u1ea3nh n\u00e2ng cao, c\u00e1c th\u01b0 vi\u1ec7n native c\u00f3 th\u1ec3 cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, khi c\u00f3 y\u00eau c\u1ea7u v\u1ec1 vi\u1ec7c t\u00edch h\u1ee3p v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 ho\u1eb7c SDK t\u1eeb b\u00ean th\u1ee9 ba ch\u1ec9 h\u1ed7 tr\u1ee3 native, t\u00f4i c\u0169ng s\u1ebd c\u00e2n nh\u1eafc vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n native \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang mong \u0111\u1ee3i. Vi\u1ec7c s\u1eed d\u1ee5ng code native c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p h\u01a1n, nh\u01b0ng \u0111\u00f4i khi \u0111\u00f3 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t cao nh\u1ea5t cho \u1ee9ng d\u1ee5ng.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-khi-nao-s\u1eed-d\u1ee5ng-th\u01b0-vi\u1ec7n-native\"><b>Khi n\u00e0o s\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n native?<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng y\u00eau c\u1ea7u <\/span><b>hi\u1ec7u su\u1ea5t cao<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Ti\u1ebfp c\u1eadn c\u00e1c <\/span><b>ch\u1ee9c n\u0103ng ph\u1ea7n c\u1ee9ng \u0111\u1eb7c bi\u1ec7t<\/b><span style=\"font-weight: 400;\"> kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 b\u1edfi React Native.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng ch\u01b0a \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ho\u1eb7c kh\u00f4ng t\u1ed1i \u01b0u trong React Native.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-tr\u01b0\u1eddng-h\u1ee3p-c\u1ee5-th\u1ec3-c\u1ea7n-th\u01b0-vi\u1ec7n-native\"><b>Tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3 c\u1ea7n th\u01b0 vi\u1ec7n native<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>X\u1eed l\u00fd \u0111\u1ed3 h\u1ecda ph\u1ee9c t\u1ea1p<\/b><span style=\"font-weight: 400;\">: Hi\u1ec3n th\u1ecb b\u1ea3n \u0111\u1ed3 3D, x\u1eed l\u00fd h\u00ecnh \u1ea3nh n\u00e2ng cao.<\/span><\/li>\n\n\n\n<li><b>Video streaming<\/b><span style=\"font-weight: 400;\">: Ph\u00e1t tr\u1ef1c tuy\u1ebfn video v\u1edbi hi\u1ec7u su\u1ea5t cao.<\/span><\/li>\n\n\n\n<li><b>T\u00edch h\u1ee3p d\u1ecbch v\u1ee5\/SDK t\u1eeb b\u00ean th\u1ee9 ba<\/b><span style=\"font-weight: 400;\">: Khi d\u1ecbch v\u1ee5 ho\u1eb7c SDK ch\u1ec9 h\u1ed7 tr\u1ee3 n\u1ec1n t\u1ea3ng native.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ee3i-ich-c\u1ee7a-vi\u1ec7c-s\u1eed-d\u1ee5ng-th\u01b0-vi\u1ec7n-native\"><b>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n native<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o <\/span><b>hi\u1ec7u su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t<\/b><span style=\"font-weight: 400;\"> cho \u1ee9ng d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 t\u1ed1t h\u01a1n cho c\u00e1c t\u00e1c v\u1ee5 ph\u1ee9c t\u1ea1p ho\u1eb7c y\u00eau c\u1ea7u \u0111\u1eb7c th\u00f9.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-x\u1eed-ly-cac-l\u1ed7i-th\u01b0\u1eddng-g\u1eb7p-khi-tich-h\u1ee3p-module-native\"><strong>C\u00e1ch x\u1eed l\u00fd c\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi t\u00edch h\u1ee3p module native<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-bien-d\u1ecbch-compilation-errors\"><b> L\u1ed7i bi\u00ean d\u1ecbch (Compilation Errors)<\/b><\/h4>\n\n\n\n<p><b>M\u00f4 t\u1ea3:<\/b><span style=\"font-weight: 400;\"> L\u1ed7i n\u00e0y x\u1ea3y ra khi module native kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi phi\u00ean b\u1ea3n React Native ho\u1eb7c c\u00e1c th\u01b0 vi\u1ec7n native kh\u00e1c.<\/span><\/p>\n\n\n\n<p><b>C\u00e1ch x\u1eed l\u00fd:<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra l\u1ea1i phi\u00ean b\u1ea3n React Native v\u00e0 module native \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang t\u01b0\u01a1ng th\u00edch v\u1edbi nhau.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u0110\u1ecdc t\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c c\u1ee7a module \u0111\u1ec3 bi\u1ebft c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 v\u1ec1 phi\u00ean b\u1ea3n.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt ho\u1eb7c h\u1ea1 c\u1ea5p module cho ph\u00f9 h\u1ee3p v\u1edbi phi\u00ean b\u1ea3n React Native hi\u1ec7n t\u1ea1i c\u1ee7a d\u1ef1 \u00e1n.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-khong-tim-th\u1ea5y-module-module-not-found\"><b> L\u1ed7i kh\u00f4ng t\u00ecm th\u1ea5y module (Module Not Found)<\/b><\/h4>\n\n\n\n<p><b>M\u00f4 t\u1ea3:<\/b><span style=\"font-weight: 400;\"> Th\u00f4ng b\u00e1o l\u1ed7i xu\u1ea5t hi\u1ec7n khi \u1ee9ng d\u1ee5ng kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y module native \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p.<\/span><\/p>\n\n\n\n<p><b>C\u00e1ch x\u1eed l\u00fd:<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra t\u00ean module c\u00f3 \u0111\u00fang kh\u00f4ng v\u00e0 module \u0111\u00e3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft (linked) ch\u00ednh x\u00e1c ch\u01b0a.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng l\u1ec7nh <\/span><span style=\"font-weight: 400;\">react-native link &lt;t\u00ean_module><\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 li\u00ean k\u1ebft module native ho\u1eb7c ki\u1ec3m tra file c\u1ea5u h\u00ecnh <\/span><span style=\"font-weight: 400;\">Podfile<\/span><span style=\"font-weight: 400;\"> (iOS) v\u00e0 <\/span><span style=\"font-weight: 400;\">build.gradle<\/span><span style=\"font-weight: 400;\"> (Android) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u00fang c\u00e1ch.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">N\u1ebfu d\u00f9ng React Native 0.60+, ki\u1ec3m tra t\u00ednh n\u0103ng <\/span><b>auto-linking<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 xem module \u0111\u00e3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft t\u1ef1 \u0111\u1ed9ng hay ch\u01b0a.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-th\u1eddi-gian-ch\u1ea1y-runtime-errors\"><b> L\u1ed7i th\u1eddi gian ch\u1ea1y (Runtime Errors)<\/b><\/h4>\n\n\n\n<p><b>M\u00f4 t\u1ea3:<\/b><span style=\"font-weight: 400;\"> L\u1ed7i n\u00e0y x\u1ea3y ra khi \u1ee9ng d\u1ee5ng ch\u1ea1y nh\u01b0ng module native kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i.<\/span><\/p>\n\n\n\n<p><b>C\u00e1ch x\u1eed l\u00fd:<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 debug nh\u01b0 <\/span><b>React Native Debugger<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><b>Chrome Developer Tools<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 ki\u1ec3m tra c\u00e1c th\u00f4ng tin chi ti\u1ebft.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng log (<\/span><span style=\"font-weight: 400;\">console.log<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">Log.d<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">NSLog<\/span><span style=\"font-weight: 400;\">) trong m\u00e3 JavaScript ho\u1eb7c native code (Java\/Kotlin cho Android, Objective-C\/Swift cho iOS) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed x\u1ea3y ra l\u1ed7i.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c v\u00e0 thu\u1ed9c t\u00ednh trong module native \u0111\u00e3 \u0111\u01b0\u1ee3c export v\u00e0 g\u1ecdi ch\u00ednh x\u00e1c trong React Native.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-lien-quan-d\u1ebfn-quy\u1ec1n-truy-c\u1eadp-permission-issues\"><b> L\u1ed7i li\u00ean quan \u0111\u1ebfn quy\u1ec1n truy c\u1eadp (Permission Issues)<\/b><\/h4>\n\n\n\n<p><b>M\u00f4 t\u1ea3:<\/b><span style=\"font-weight: 400;\"> C\u00e1c module native y\u00eau c\u1ea7u quy\u1ec1n truy c\u1eadp, v\u00ed d\u1ee5 nh\u01b0 camera, v\u1ecb tr\u00ed, ho\u1eb7c b\u1ed9 nh\u1edb, c\u00f3 th\u1ec3 g\u00e2y l\u1ed7i n\u1ebfu quy\u1ec1n truy c\u1eadp kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea5p.<\/span><\/p>\n\n\n\n<p><b>C\u00e1ch x\u1eed l\u00fd:<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra v\u00e0 th\u00eam c\u00e1c quy\u1ec1n c\u1ea7n thi\u1ebft v\u00e0o <\/span><span style=\"font-weight: 400;\">AndroidManifest.xml<\/span><span style=\"font-weight: 400;\"> (Android) ho\u1eb7c <\/span><span style=\"font-weight: 400;\">Info.plist<\/span><span style=\"font-weight: 400;\"> (iOS).<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n nh\u01b0 <\/span><span style=\"font-weight: 400;\">react-native-permissions<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 x\u1eed l\u00fd y\u00eau c\u1ea7u quy\u1ec1n truy c\u1eadp trong th\u1eddi gian th\u1ef1c.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-t\u01b0\u01a1ng-thich-v\u1edbi-h\u1ec7-di\u1ec1u-hanh-os-compatibility-issues\"><b> L\u1ed7i t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh (OS Compatibility Issues)<\/b><\/h4>\n\n\n\n<p><b>M\u00f4 t\u1ea3:<\/b><span style=\"font-weight: 400;\"> Module native c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng nh\u01b0 mong \u0111\u1ee3i tr\u00ean m\u1ed9t s\u1ed1 phi\u00ean b\u1ea3n Android ho\u1eb7c iOS c\u1ee5 th\u1ec3.<\/span><\/p>\n\n\n\n<p><b>C\u00e1ch x\u1eed l\u00fd:<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra v\u00e0 c\u1eadp nh\u1eadt c\u00e1c th\u01b0 vi\u1ec7n native cho ph\u00f9 h\u1ee3p v\u1edbi phi\u00ean b\u1ea3n h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o r\u1eb1ng module \u0111\u01b0\u1ee3c vi\u1ebft theo c\u00e1c chu\u1ea9n m\u1edbi nh\u1ea5t c\u1ee7a n\u1ec1n t\u1ea3ng Android\/iOS.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n ki\u1ec3m tra phi\u00ean b\u1ea3n h\u1ec7 \u0111i\u1ec1u h\u00e0nh trong code \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh h\u00e0nh vi c\u1ee7a module n\u1ebfu c\u1ea7n thi\u1ebft.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ed7i-khong-d\u1ed3ng-b\u1ed9-hoa-asynchronous-issues\"><b> L\u1ed7i kh\u00f4ng \u0111\u1ed3ng b\u1ed9 h\u00f3a (Asynchronous Issues)<\/b><\/h4>\n\n\n\n<p><b>M\u00f4 t\u1ea3:<\/b><span style=\"font-weight: 400;\"> L\u1ed7i x\u1ea3y ra khi vi\u1ec7c g\u1ecdi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c native kh\u00f4ng \u0111\u1ed3ng b\u1ed9 h\u00f3a ch\u00ednh x\u00e1c, g\u00e2y ra l\u1ed7i tr\u1ea1ng th\u00e1i kh\u00f4ng nh\u1ea5t qu\u00e1n.<\/span><\/p>\n\n\n\n<p><b>C\u00e1ch x\u1eed l\u00fd:<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">Promises<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">async\/await<\/span><span style=\"font-weight: 400;\"> trong m\u00e3 JavaScript \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c g\u1ecdi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c native l\u00e0 kh\u00f4ng \u0111\u1ed3ng b\u1ed9 v\u00e0 ch\u00ednh x\u00e1c.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c native tr\u1ea3 v\u1ec1 gi\u00e1 tr\u1ecb ho\u1eb7c callback ch\u00ednh x\u00e1c \u0111\u1ec3 x\u1eed l\u00fd k\u1ebft qu\u1ea3.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c chu\u1ea9n b\u1ecb v\u00e0 hi\u1ec3u r\u00f5 c\u00e1ch x\u1eed l\u00fd c\u00e1c l\u1ed7i n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh t\u00edch h\u1ee3p module native th\u00e0nh c\u00f4ng m\u00e0 c\u00f2n th\u1ec3 hi\u1ec7n \u0111\u01b0\u1ee3c k\u1ef9 n\u0103ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 v\u00e0 kh\u1ea3 n\u0103ng debug chuy\u00ean nghi\u1ec7p c\u1ee7a \u1ee9ng vi\u00ean trong m\u1eaft nh\u00e0 tuy\u1ec3n d\u1ee5ng.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-react-native-v\u1ec1-ki\u1ec3m-th\u1eed-testing\"><span class=\"ez-toc-section\" id=\"Cau_hoi_phong_van_React_Native_ve_kiem_thu_Testing\"><\/span><strong>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 ki\u1ec3m th\u1eed (Testing)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-th\u1ef1c-hi\u1ec7n-unit-testing-trong-react-native-nbsp\"><span style=\"font-weight: 400;\"><strong>C\u00e1ch th\u1ef1c hi\u1ec7n Unit Testing trong React Native<\/strong>&nbsp;<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Unit Testing trong React Native gi\u00fap \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u1ee9c n\u0103ng nh\u1ecf c\u1ee7a \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c. \u0110\u1ec3 th\u1ef1c hi\u1ec7n Unit Testing trong React Native, c\u00e1c th\u01b0 vi\u1ec7n ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 <\/span><b>Jest<\/b><span style=\"font-weight: 400;\"> v\u00e0 <\/span><b>React Testing Library<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Sau \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n:<\/span><\/p>\n\n\n\n<p><b>C\u00e0i \u0111\u1eb7t th\u01b0 vi\u1ec7n Jest<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Jest l\u00e0 th\u01b0 vi\u1ec7n m\u1eb7c \u0111\u1ecbnh cho Unit Testing trong c\u00e1c d\u1ef1 \u00e1n React Native. \u0110\u1ec3 c\u00e0i \u0111\u1eb7t, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u1ec7nh: <\/span><span style=\"font-weight: 400;\">npm install &#8211;save-dev jest@testing-library\/react-native<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Sau khi c\u00e0i \u0111\u1eb7t, c\u1ea5u h\u00ecnh Jest trong file <\/span><span style=\"font-weight: 400;\">package.json<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c t\u1ea1o file c\u1ea5u h\u00ecnh ri\u00eang <\/span><span style=\"font-weight: 400;\">jest.config.js<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>Vi\u1ebft b\u00e0i ki\u1ec3m tra cho c\u00e1c th\u00e0nh ph\u1ea7n<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">D\u00f9ng <\/span><span style=\"font-weight: 400;\">@testing-library\/react-native<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 ki\u1ec3m tra c\u00e1c component. V\u00ed d\u1ee5, n\u1ebfu mu\u1ed1n ki\u1ec3m tra m\u1ed9t button hi\u1ec3n th\u1ecb \u0111\u00fang, ta c\u00f3 th\u1ec3 vi\u1ebft nh\u01b0 sau:&nbsp;<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React from 'react';\nimport { render } from '@testing-library\/react-native';\nimport MyButton from '.\/MyButton';\n\ntest('Button renders with correct label', () =&gt; {\n  const getByText } render(&lt;MyButton label=\"Click me!\" \/&gt;);\n  expect(getByText('Click me!')).toBeTruthy();\n});<\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u00e0i ki\u1ec3m tra n\u00e0y ki\u1ec3m tra xem button c\u00f3 render \u0111\u00fang v\u1edbi label &#8220;Click me!&#8221; hay kh\u00f4ng.<\/span><\/p>\n\n\n\n<p><b>Mock c\u00e1c th\u00e0nh ph\u1ea7n li\u00ean quan<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a Unit Test, c\u00e1c component ph\u1ee9c t\u1ea1p ho\u1eb7c c\u00e1c API call c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c mock. V\u00ed d\u1ee5:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">jest.mock('react-native\/Libraries\/Animated\/NativeAnimatedHelper');<\/span><\/code><\/pre>\n\n\n\n<p><b>Ch\u1ea1y b\u00e0i ki\u1ec3m tra<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Sau khi vi\u1ebft c\u00e1c b\u00e0i ki\u1ec3m tra, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ea1y ch\u00fang b\u1eb1ng l\u1ec7nh: <\/span><span style=\"font-weight: 400;\">npm test<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">K\u1ebft qu\u1ea3 c\u1ee7a b\u00e0i ki\u1ec3m tra s\u1ebd hi\u1ec3n th\u1ecb th\u00f4ng tin chi ti\u1ebft v\u1ec1 c\u00e1c test case \u0111\u00e3 pass hay fail.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>L\u1ee3i \u00edch c\u1ee7a Unit Testing<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Ph\u00e1t hi\u1ec7n l\u1ed7i s\u1edbm<\/b><span style=\"font-weight: 400;\">: Gi\u00fap ph\u00e1t hi\u1ec7n l\u1ed7i t\u1eeb s\u1edbm khi code thay \u0111\u1ed5i.<\/span><\/li>\n\n\n\n<li><b>D\u1ec5 b\u1ea3o tr\u00ec<\/b><span style=\"font-weight: 400;\">: Khi code c\u00f3 Unit Test t\u1ed1t, vi\u1ec7c thay \u0111\u1ed5i ho\u1eb7c b\u1ea3o tr\u00ec code s\u1ebd tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/li>\n\n\n\n<li><b>T\u0103ng \u0111\u1ed9 tin c\u1eady<\/b><span style=\"font-weight: 400;\">: \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c thay \u0111\u1ed5i kh\u00f4ng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn c\u00e1c ch\u1ee9c n\u0103ng hi\u1ec7n c\u00f3.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-gi\u1edbi-thi\u1ec7u-v\u1ec1-cac-cong-c\u1ee5-ki\u1ec3m-th\u1eed-ph\u1ed5-bi\u1ebfn-nh\u01b0-jest-detox-trong-react-native\"><strong>Gi\u1edbi thi\u1ec7u v\u1ec1 c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m th\u1eed ph\u1ed5 bi\u1ebfn nh\u01b0 Jest, Detox trong React Native<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-jest\"><a href=\"https:\/\/jestjs.io\/docs\/tutorial-react-native\" target=\"_blank\" rel=\"noopener\"><b>Jest<\/b><\/a><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Jest l\u00e0 m\u1ed9t framework ki\u1ec3m th\u1eed ph\u1ed5 bi\u1ebfn do Facebook ph\u00e1t tri\u1ec3n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m th\u1eed c\u00e1c \u1ee9ng d\u1ee5ng JavaScript, bao g\u1ed3m c\u1ea3 \u1ee9ng d\u1ee5ng React Native. Jest \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh v\u00e0 kh\u1ea3 n\u0103ng d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p v\u1edbi c\u00e1c d\u1ef1 \u00e1n React Native.<\/span><\/p>\n\n\n\n<p><b>M\u1ee5c \u0111\u00edch<\/b><span style=\"font-weight: 400;\">: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu cho Unit Testing v\u00e0 Snapshot Testing. Unit Testing gi\u00fap ki\u1ec3m tra c\u00e1c th\u00e0nh ph\u1ea7n ri\u00eang l\u1ebb c\u1ee7a m\u00e3, trong khi Snapshot Testing ki\u1ec3m tra giao di\u1ec7n c\u1ee7a \u1ee9ng d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n nh\u1eefng thay \u0111\u1ed5i kh\u00f4ng mong mu\u1ed1n.<\/span><\/p>\n\n\n\n<p><b>\u01afu \u0111i\u1ec3m<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Thi\u1ebft l\u1eadp d\u1ec5 d\u00e0ng v\u00e0 c\u00f3 c\u1ea5u h\u00ecnh m\u1eb7c \u0111\u1ecbnh t\u1ed1t cho c\u00e1c d\u1ef1 \u00e1n React Native.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00f3 kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra kh\u00f4ng \u0111\u1ed3ng b\u1ed9 hi\u1ec7u qu\u1ea3.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u1ed9ng \u0111\u1ed3ng l\u1edbn v\u00e0 t\u00e0i li\u1ec7u h\u1ed7 tr\u1ee3 phong ph\u00fa.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>V\u00ed d\u1ee5<\/b><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng Jest \u0111\u1ec3 ki\u1ec3m tra m\u1ed9t component \u0111\u01a1n gi\u1ea3n, \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 render \u0111\u00fang v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh \u0111\u1ea7u v\u00e0o \u0111\u00e3 cho.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-detox\"><a href=\"https:\/\/github.com\/wix\/Detox\" target=\"_blank\" rel=\"noopener\"><b>Detox<\/b><\/a><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Detox l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 ki\u1ec3m th\u1eed end-to-end (E2E) \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Wix. C\u00f4ng c\u1ee5 n\u00e0y gi\u00fap t\u1ef1 \u0111\u1ed9ng h\u00f3a qu\u00e1 tr\u00ecnh ki\u1ec3m th\u1eed \u1ee9ng d\u1ee5ng t\u1eeb giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn backend, ki\u1ec3m tra to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i.<\/span><\/p>\n\n\n\n<p><b>M\u1ee5c \u0111\u00edch<\/b><span style=\"font-weight: 400;\">: Ki\u1ec3m th\u1eed to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh c\u1ee7a \u1ee9ng d\u1ee5ng, t\u1eeb vi\u1ec7c m\u1edf \u1ee9ng d\u1ee5ng, \u0111i\u1ec1u h\u01b0\u1edbng, nh\u1eadp li\u1ec7u, \u0111\u1ebfn ki\u1ec3m tra ph\u1ea3n h\u1ed3i c\u1ee7a \u1ee9ng d\u1ee5ng. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c tr\u00ean c\u00e1c thi\u1ebft b\u1ecb v\u00e0 n\u1ec1n t\u1ea3ng kh\u00e1c nhau.<\/span><\/p>\n\n\n\n<p><b>\u01afu \u0111i\u1ec3m<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">T\u00edch h\u1ee3p t\u1ed1t v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng React Native, cho ph\u00e9p ki\u1ec3m tra giao di\u1ec7n th\u1ef1c t\u1ebf c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 ki\u1ec3m th\u1eed tr\u00ean c\u00e1c thi\u1ebft b\u1ecb th\u1eadt v\u00e0 gi\u1ea3 l\u1eadp.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i kh\u00f4ng ch\u1ec9 trong logic m\u00e3 m\u00e0 c\u00f2n trong giao di\u1ec7n v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>V\u00ed d\u1ee5<\/b><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng Detox \u0111\u1ec3 ki\u1ec3m th\u1eed ch\u1ee9c n\u0103ng \u0111\u0103ng nh\u1eadp, ki\u1ec3m tra c\u00e1c lu\u1ed3ng \u0111i\u1ec1u h\u01b0\u1edbng, v\u00e0 x\u00e1c nh\u1eadn r\u1eb1ng c\u00e1c t\u01b0\u01a1ng t\u00e1c ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-sao-d\u1ec3-ki\u1ec3m-tra-ui-component-trong-react-native-nbsp\"><strong>L\u00e0m sao \u0111\u1ec3 ki\u1ec3m tra UI Component trong React Native?&nbsp;<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-ki\u1ec3m-th\u1eed-b\u1eb1ng-cach-s\u1eed-d\u1ee5ng-jest\"><b>Ki\u1ec3m th\u1eed b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Jest<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Jest l\u00e0 m\u1ed9t framework ki\u1ec3m th\u1eed ph\u1ed5 bi\u1ebfn trong c\u1ed9ng \u0111\u1ed3ng React v\u00e0 React Native. \u0110\u1ec3 ki\u1ec3m tra UI Component, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Jest k\u1ebft h\u1ee3p v\u1edbi th\u01b0 vi\u1ec7n nh\u01b0 <\/span><span style=\"font-weight: 400;\">react-test-renderer<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">@testing-library\/react-native<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t <\/span><b>snapshot test<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 ki\u1ec3m tra xem UI Component c\u00f3 thay \u0111\u1ed5i kh\u00f4ng sau m\u1ed7i l\u1ea7n ch\u1ec9nh s\u1eeda m\u00e3. <\/span><span style=\"font-weight: 400;\">react-test-renderer<\/span><span style=\"font-weight: 400;\"> s\u1ebd t\u1ea1o ra m\u1ed9t b\u1ea3n ghi c\u1ee7a UI hi\u1ec7n t\u1ea1i c\u1ee7a component v\u00e0 so s\u00e1nh v\u1edbi k\u1ebft qu\u1ea3 tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110o\u1ea1n m\u00e3 m\u1eabu s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">react-test-renderer<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React from 'react';\nimport renderer from 'react-test-renderer';\nimport MyComponent from '..\/MyComponent';\n\ntest('renders correctly', () =&gt; {\n  const tree = renderer.create(&lt;MyComponent \/&gt;).toJSON();\n  expect(tree).toMatchSnapshot();\n});<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-ki\u1ec3m-th\u1eed-hanh-vi-v\u1edbi-testing-library-react-native\"><b>Ki\u1ec3m th\u1eed h\u00e0nh vi v\u1edbi @testing-library\/react-native<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Th\u01b0 vi\u1ec7n <\/span><span style=\"font-weight: 400;\">@testing-library\/react-native<\/span><span style=\"font-weight: 400;\"> gi\u00fap ki\u1ec3m th\u1eed h\u00e0nh vi c\u1ee7a component b\u1eb1ng c\u00e1ch m\u00f4 ph\u1ecfng c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. V\u1edbi th\u01b0 vi\u1ec7n n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n UI, c\u00e1c s\u1ef1 ki\u1ec7n nh\u01b0 nh\u1ea5n n\u00fat, ho\u1eb7c nh\u1eadp li\u1ec7u.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 \u0111\u1ec3 ki\u1ec3m tra xem m\u1ed9t n\u00fat c\u00f3 hi\u1ec3n th\u1ecb \u0111\u00fang kh\u00f4ng v\u00e0 m\u00f4 ph\u1ecfng vi\u1ec7c nh\u1ea5n n\u00fat:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import React from 'react';\nimport { render, fireEvent } from '@testing-library\/react-native';\nimport MyComponent from '..\/MyComponent';\n\ntest('button press triggers event', () =&gt; {\n  const getByText } render(&lt;MyComponent \/&gt;);\n  const button = getByText('Click me');\n  fireEvent.press (button);\n  expect (someMockFunction).toHave BeenCalled();\n});<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-ki\u1ec3m-th\u1eed-tren-nhi\u1ec1u-n\u1ec1n-t\u1ea3ng\"><b>Ki\u1ec3m th\u1eed tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">React Native cho ph\u00e9p \u1ee9ng d\u1ee5ng ch\u1ea1y tr\u00ean c\u1ea3 iOS v\u00e0 Android, do \u0111\u00f3 ki\u1ec3m th\u1eed tr\u00ean c\u1ea3 hai n\u1ec1n t\u1ea3ng l\u00e0 c\u1ea7n thi\u1ebft. M\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 nh\u01b0 Jest ho\u1eb7c <\/span><span style=\"font-weight: 400;\">@testing-library\/react-native<\/span><span style=\"font-weight: 400;\"> h\u1ed7 tr\u1ee3 vi\u1ec7c ki\u1ec3m th\u1eed \u0111a n\u1ec1n t\u1ea3ng, nh\u01b0ng c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng component t\u01b0\u01a1ng th\u00edch v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean c\u1ea3 hai.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-mo-ph\u1ecfng-m\u1ed9t-api-response-trong-qua-trinh-ki\u1ec3m-th\u1eed\"><strong>C\u00e1ch m\u00f4 ph\u1ecfng m\u1ed9t API response trong qu\u00e1 tr\u00ecnh ki\u1ec3m th\u1eed<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 m\u00f4 ph\u1ecfng API response trong qu\u00e1 tr\u00ecnh ki\u1ec3m th\u1eed, t\u00f4i s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <\/span><span style=\"font-weight: 400;\">jest<\/span><span style=\"font-weight: 400;\"> k\u1ebft h\u1ee3p v\u1edbi <\/span><span style=\"font-weight: 400;\">axios-mock-adapter<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">msw<\/span><span style=\"font-weight: 400;\">. V\u1edbi <\/span><span style=\"font-weight: 400;\">jest<\/span><span style=\"font-weight: 400;\">, t\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c <\/span><span style=\"font-weight: 400;\">jest.mock()<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 thay th\u1ebf c\u00e1c cu\u1ed9c g\u1ecdi API th\u1ef1c t\u1ebf b\u1eb1ng c\u00e1c gi\u00e1 tr\u1ecb m\u00f4 ph\u1ecfng. N\u1ebfu s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">msw<\/span><span style=\"font-weight: 400;\">, t\u00f4i c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng m\u00f4 ph\u1ecfng c\u00e1c API endpoints v\u00e0 c\u00e1c ph\u1ea3n h\u1ed3i d\u1ef1a tr\u00ean c\u00e1c y\u00eau c\u1ea7u HTTP.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, v\u1edbi <\/span><span style=\"font-weight: 400;\">axios-mock-adapter<\/span><span style=\"font-weight: 400;\">, t\u00f4i c\u00f3 th\u1ec3 l\u00e0m nh\u01b0 sau:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import axios from 'axios';\nimport MockAdapter from 'axios-mock-adapter';\nimport { fetchData } from '.\/api'; <em>\/\/ Gi\u1ea3 s\u1eed fetchData l\u00e0 function g\u1ecdi API<\/em>\n\n<em>\/\/ T\u1ea1o mock adapter<\/em>\nconst mock = new MockAdapter(axios);\n\n<em>\/\/ M\u00f4 ph\u1ecfng API response<\/em>\nmock.onGet('\/data').reply (200, { data: 'response data' });\n\n<em>\/\/ Ki\u1ec3m th\u1eed fetchData function<\/em>\ntest('fetchData returns data', async () =&gt; {\n  const response = await fetchData('\/data');\n  expect(response.data).toBe('response data');\n});<\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, n\u1ebfu s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">msw<\/span><span style=\"font-weight: 400;\">, t\u00f4i c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng API v\u1edbi c\u00e1ch ti\u1ebfp c\u1eadn d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 ki\u1ec3m th\u1eed theo c\u00e1c k\u1ecbch b\u1ea3n ph\u1ee9c t\u1ea1p. Vi\u1ec7c n\u00e0y gi\u00fap ki\u1ec3m th\u1eed \u1ee9ng d\u1ee5ng React Native c\u1ee7a t\u00f4i trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p, t\u1eeb ph\u1ea3n h\u1ed3i th\u00e0nh c\u00f4ng \u0111\u1ebfn c\u00e1c l\u1ed7i m\u1ea1ng, \u0111\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong m\u1ecdi t\u00ecnh hu\u1ed1ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Th\u00f4ng qua c\u00e1c k\u1ef9 thu\u1eadt n\u00e0y, t\u00f4i c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng React Native c\u1ee7a m\u00ecnh s\u1ebd x\u1eed l\u00fd API hi\u1ec7u qu\u1ea3 m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i k\u1ebft n\u1ed1i v\u1edbi API th\u1ef1c t\u1ebf trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n v\u00e0 ki\u1ec3m th\u1eed.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-theo-doi-va-s\u1eeda-l\u1ed7i-trong-m\u1ed9t-\u1ee9ng-d\u1ee5ng-react-native\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 theo d\u00f5i v\u00e0 s\u1eeda l\u1ed7i trong m\u1ed9t \u1ee9ng d\u1ee5ng React Native?<\/strong><\/h3>\n\n\n\n<p><b>S\u1eed d\u1ee5ng Console.log v\u00e0 Debugging<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">\u0110\u1ea7u ti\u00ean, \u1ee9ng vi\u00ean n\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">console.log()<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 in ra th\u00f4ng tin v\u1ec1 tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng, gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c bi\u1ebfn, v\u00e0 c\u00e1c \u0111i\u1ec3m nghi ng\u1edd trong m\u00e3 ngu\u1ed3n. Vi\u1ec7c n\u00e0y gi\u00fap ph\u00e1t hi\u1ec7n l\u1ed7i logic ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 trong d\u00f2ng ch\u1ea3y d\u1eef li\u1ec7u c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 <\/span><b>React Native Debugger<\/b><span style=\"font-weight: 400;\"> (ho\u1eb7c <\/span><b>Chrome DevTools<\/b><span style=\"font-weight: 400;\">) \u0111\u1ec3 th\u1ef1c hi\u1ec7n debug JavaScript v\u00e0 xem c\u00e1c console.log, theo d\u00f5i call stack, v\u00e0 xem c\u00e1c state trong \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>Error Boundaries<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">\u0110\u1ec3 x\u1eed l\u00fd l\u1ed7i trong React Native, \u1ee9ng vi\u00ean c\u1ea7n bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng <\/span><b>Error Boundaries<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 ng\u0103n ng\u1eeba \u1ee9ng d\u1ee5ng b\u1ecb crash khi g\u1eb7p l\u1ed7i kh\u00f4ng l\u01b0\u1eddng tr\u01b0\u1edbc trong c\u00e1c component. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1eef cho \u1ee9ng d\u1ee5ng v\u1eabn ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0, ngay c\u1ea3 khi c\u00f3 l\u1ed7i.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ghi l\u1ea1i l\u1ed7i<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 nh\u01b0 <\/span><b>Sentry<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><b>Bugsnag<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 ghi l\u1ea1i v\u00e0 theo d\u00f5i c\u00e1c l\u1ed7i runtime trong \u1ee9ng d\u1ee5ng. C\u00e1c c\u00f4ng c\u1ee5 n\u00e0y gi\u00fap ph\u00e1t hi\u1ec7n l\u1ed7i tr\u00ean c\u1ea3 m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t v\u00e0 ph\u00e1t tri\u1ec3n, cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft nh\u01b0 stack trace, th\u00f4ng tin v\u1ec1 ng\u01b0\u1eddi d\u00f9ng g\u1eb7p l\u1ed7i v\u00e0 c\u00e1c t\u00ecnh hu\u1ed1ng d\u1eabn \u0111\u1ebfn l\u1ed7i.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>Theo d\u00f5i hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">D\u00f9ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <\/span><b>Flipper<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><b>Reactotron<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 theo d\u00f5i v\u00e0 ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y cho ph\u00e9p theo d\u00f5i c\u00e1c ch\u1ec9 s\u1ed1 nh\u01b0 th\u1eddi gian ph\u1ea3n h\u1ed3i, th\u1eddi gian render c\u1ee7a component, v\u00e0 ki\u1ec3m tra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ed9 nh\u1edb ho\u1eb7c CPU.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng (Unit Testing v\u00e0 Integration Testing)<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">\u0110\u1ec3 tr\u00e1nh c\u00e1c l\u1ed7i x\u1ea3y ra sau khi tri\u1ec3n khai, \u1ee9ng vi\u00ean c\u1ea7n n\u00eau r\u00f5 vi\u1ec7c vi\u1ebft c\u00e1c b\u00e0i test unit v\u00e0 integration s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <\/span><b>Jest<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><b>Detox<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e3 ngu\u1ed3n kh\u00f4ng c\u00f3 l\u1ed7i logic ho\u1eb7c giao di\u1ec7n b\u1ecb l\u1ed7i trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n.<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-react-native-v\u1ec1-hi\u1ec7u-su\u1ea5t-va-t\u1ed1i-\u01b0u-hoa\"><span class=\"ez-toc-section\" id=\"Cau_hoi_phong_van_React_Native_ve_hieu_suat_va_toi_uu_hoa\"><\/span><strong>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 t\u1ed1i \u01b0u h\u00f3a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-t\u1ed1i-\u01b0u-hoa-flatlist-trong-react-native-nbsp\"><span style=\"font-weight: 400;\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a FlatList trong React Native?<\/strong>&nbsp;<\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-s\u1eed-d\u1ee5ng-keyextractor\"><b>S\u1eed d\u1ee5ng <\/b><b>keyExtractor<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">FlatList y\u00eau c\u1ea7u m\u1ed9t gi\u00e1 tr\u1ecb key duy nh\u1ea5t cho m\u1ed7i ph\u1ea7n t\u1eed trong danh s\u00e1ch. N\u1ebfu kh\u00f4ng c\u00f3 key ho\u1eb7c key kh\u00f4ng thay \u0111\u1ed5i khi d\u1eef li\u1ec7u thay \u0111\u1ed5i, React Native s\u1ebd ph\u1ea3i render l\u1ea1i to\u00e0n b\u1ed9 danh s\u00e1ch, \u0111i\u1ec1u n\u00e0y g\u00e2y l\u00e3ng ph\u00ed t\u00e0i nguy\u00ean.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh <\/span><span style=\"font-weight: 400;\">keyExtractor<\/span><span style=\"font-weight: 400;\"> gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i item trong danh s\u00e1ch c\u00f3 m\u1ed9t key duy nh\u1ea5t v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;FlatList\n  data={data}\n  keyExtractor={(item) =&gt; item.id.toString()}\n  renderItem={( { item }) =&gt; &lt;Text&gt;{item.name}&lt;\/Text&gt;}\n\/&gt;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-s\u1eed-d\u1ee5ng-getitemlayout\"><b>S\u1eed d\u1ee5ng <\/b><b>getItemLayout<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi b\u1ea1n bi\u1ebft tr\u01b0\u1edbc chi\u1ec1u cao c\u1ee7a m\u1ed7i ph\u1ea7n t\u1eed trong danh s\u00e1ch (ho\u1eb7c chi\u1ec1u r\u1ed9ng \u0111\u1ed1i v\u1edbi danh s\u00e1ch ngang), b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">getItemLayout<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c t\u00ednh to\u00e1n v\u1ecb tr\u00ed c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed, gi\u00fap gi\u1ea3m thi\u1ec3u vi\u1ec7c t\u00ednh to\u00e1n l\u1ea1i layout khi cu\u1ed9n qua danh s\u00e1ch.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;FlatList\n  data={data}\n  getItemLayout={(data, index) =&gt; (\n    { length: ITEM_HEIGHT, offset: ITEM_HEIGHT\u2736 index, index }\n  )}\n  renderItem={( { item }) =&gt; &lt;Text&gt;{item.name}&lt;\/Text&gt;}\n\/&gt;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-s\u1eed-d\u1ee5ng-initialnumtorender-va-maxtorenderperbatch\"><b>S\u1eed d\u1ee5ng <\/b><b>initialNumToRender<\/b><b> v\u00e0 <\/b><b>maxToRenderPerBatch<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">FlatList cho ph\u00e9p b\u1ea1n x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng ph\u1ea7n t\u1eed \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c render v\u00e0 s\u1ed1 ph\u1ea7n t\u1eed t\u1ed1i \u0111a \u0111\u01b0\u1ee3c render trong m\u1ed7i l\u1ea7n batch. Vi\u1ec7c c\u1ea5u h\u00ecnh c\u00e1c thu\u1ed9c t\u00ednh n\u00e0y gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c render ban \u0111\u1ea7u v\u00e0 khi cu\u1ed9n, t\u1eeb \u0111\u00f3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;FlatList\n  data={data}\n  initialNumToRender={10}\n  maxToRenderPerBatch={5}\n  renderItem={({ item }) =&gt; &lt;Text&gt;{item.name}&lt;\/Text&gt;}\n\/&gt;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-s\u1eed-d\u1ee5ng-windowsize\"><b>S\u1eed d\u1ee5ng <\/b><b>windowSize<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Thu\u1ed9c t\u00ednh <\/span><span style=\"font-weight: 400;\">windowSize<\/span><span style=\"font-weight: 400;\"> x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng c\u00e1c ph\u1ea7n t\u1eed FlatList s\u1ebd \u0111\u01b0\u1ee3c gi\u1eef trong b\u1ed9 nh\u1edb trong khi ng\u01b0\u1eddi d\u00f9ng cu\u1ed9n. Gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh c\u1ee7a <\/span><span style=\"font-weight: 400;\">windowSize<\/span><span style=\"font-weight: 400;\"> l\u00e0 21, nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh n\u00f3 \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t cho \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;FlatList\n  data={data}\n  windowSize={5}\n  renderItem={( { item }) =&gt; &lt;Text&gt;{item.name}&lt;\/Text&gt;}\n\/&gt;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-s\u1eed-d\u1ee5ng-removeclippedsubviews\"><b>S\u1eed d\u1ee5ng <\/b><b>removeClippedSubviews<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">FlatList h\u1ed7 tr\u1ee3 thu\u1ed9c t\u00ednh <\/span><span style=\"font-weight: 400;\">removeClippedSubviews<\/span><span style=\"font-weight: 400;\"> gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c ph\u1ea7n t\u1eed kh\u00f4ng c\u00f2n hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh kh\u1ecfi b\u1ed9 nh\u1edb. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m t\u1ea3i cho b\u1ed9 nh\u1edb c\u1ee7a \u1ee9ng d\u1ee5ng khi cu\u1ed9n qua danh s\u00e1ch.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;FlatList\n  data={data}\n  removeClippedSubviews={true}\n  renderItem={( { item }) =&gt; &lt;Text&gt;{item.name}&lt;\/Text&gt;}\n\/&gt;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-tranh-rendering-qua-nhi\u1ec1u-component-ph\u1ee9c-t\u1ea1p-trong-renderitem\"><b>Tr\u00e1nh rendering qu\u00e1 nhi\u1ec1u component ph\u1ee9c t\u1ea1p trong <\/b><b>renderItem<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o r\u1eb1ng ph\u1ea7n t\u1eed trong <\/span><span style=\"font-weight: 400;\">renderItem<\/span><span style=\"font-weight: 400;\"> l\u00e0 nh\u1eb9 v\u00e0 kh\u00f4ng th\u1ef1c hi\u1ec7n qu\u00e1 nhi\u1ec1u t\u00e1c v\u1ee5 t\u00ednh to\u00e1n ph\u1ee9c t\u1ea1p. B\u1ea1n c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">React.memo<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c re-render l\u1ea1i component n\u1ebfu d\u1eef li\u1ec7u kh\u00f4ng thay \u0111\u1ed5i.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const MemoizedItem = React.memo(({ item }) =&gt; {\n  return &lt;Text&gt;{item.name}&lt;\/Text&gt;;\n});\n\n&lt;FlatList\n  data={data}\n  renderItem={( { item }) =&gt; &lt;MemoizedItem item={item} \/&gt;}\n\/&gt;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-m\u1ed9t-vai-nguyen-nhan-d\u1eabn-d\u1ebfn-x\u1ea3y-ra-vi\u1ec7c-tang-th\u1eddi-gian-t\u1ea3i-\u1ee9ng-d\u1ee5ng-react-native-la-gi\"><strong>M\u1ed9t v\u00e0i nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn x\u1ea3y ra vi\u1ec7c t\u0103ng th\u1eddi gian t\u1ea3i \u1ee9ng d\u1ee5ng React Native l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<p><b> K\u00edch th\u01b0\u1edbc l\u1edbn c\u1ee7a bundle JavaScript<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">: Qu\u00e1 nhi\u1ec1u m\u00e3 ngu\u1ed3n, th\u01b0 vi\u1ec7n kh\u00f4ng c\u1ea7n thi\u1ebft ho\u1eb7c c\u00e1c dependency th\u1eeba d\u1eabn \u0111\u1ebfn k\u00edch th\u01b0\u1edbc bundle l\u1edbn.<\/span><\/li>\n\n\n\n<li><b>H\u1eadu qu\u1ea3<\/b><span style=\"font-weight: 400;\">: T\u0103ng th\u1eddi gian t\u1ea3i v\u00e0 parse bundle khi \u1ee9ng d\u1ee5ng kh\u1edfi ch\u1ea1y.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b> Asset kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">: H\u00ecnh \u1ea3nh, video, v\u00e0 c\u00e1c t\u00e0i nguy\u00ean t\u0129nh kh\u00e1c kh\u00f4ng \u0111\u01b0\u1ee3c n\u00e9n ho\u1eb7c \u0111\u1ecbnh d\u1ea1ng ph\u00f9 h\u1ee3p.<\/span><\/li>\n\n\n\n<li><b>H\u1eadu qu\u1ea3<\/b><span style=\"font-weight: 400;\">: G\u00e2y m\u1ea5t th\u1eddi gian t\u1ea3i c\u00e1c asset l\u1edbn trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b> Qu\u00e1 tr\u00ecnh kh\u1edfi t\u1ea1o module native ch\u1eadm<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">: C\u00e1c module native ho\u1eb7c third-party s\u1eed d\u1ee5ng h\u00e0m kh\u1edfi t\u1ea1o ph\u1ee9c t\u1ea1p, x\u1eed l\u00fd nhi\u1ec1u logic kh\u00f4ng c\u1ea7n thi\u1ebft khi \u1ee9ng d\u1ee5ng kh\u1edfi \u0111\u1ed9ng.<\/span><\/li>\n\n\n\n<li><b>H\u1eadu qu\u1ea3<\/b><span style=\"font-weight: 400;\">: L\u00e0m t\u0103ng th\u1eddi gian kh\u1edfi \u0111\u1ed9ng \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b> S\u1eed d\u1ee5ng nhi\u1ec1u m\u00e0n h\u00ecnh ho\u1eb7c navigation stack n\u1eb7ng<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">: T\u1ea3i tr\u01b0\u1edbc qu\u00e1 nhi\u1ec1u m\u00e0n h\u00ecnh ho\u1eb7c kh\u1edfi t\u1ea1o navigation stack l\u1edbn.<\/span><\/li>\n\n\n\n<li><b>H\u1eadu qu\u1ea3<\/b><span style=\"font-weight: 400;\">: Ti\u00eau t\u1ed1n t\u00e0i nguy\u00ean v\u00e0 l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh t\u1ea3i.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b> Fetch d\u1eef li\u1ec7u \u0111\u1ed3ng b\u1ed9 trong qu\u00e1 tr\u00ecnh kh\u1edfi ch\u1ea1y<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">: L\u1ea5y d\u1eef li\u1ec7u t\u1eeb API ho\u1eb7c x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u kh\u00f4ng c\u1ea7n thi\u1ebft tr\u01b0\u1edbc khi hi\u1ec3n th\u1ecb m\u00e0n h\u00ecnh \u0111\u1ea7u ti\u00ean.<\/span><\/li>\n\n\n\n<li><b>H\u1eadu qu\u1ea3<\/b><span style=\"font-weight: 400;\">: T\u0103ng th\u1eddi gian hi\u1ec3n th\u1ecb giao di\u1ec7n ch\u00ednh.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b> Thi\u1ebfu t\u1ed1i \u01b0u h\u00f3a \u1edf ch\u1ebf \u0111\u1ed9 ph\u00e1t h\u00e0nh (production)<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">: Kh\u00f4ng b\u1eadt ch\u1ebf \u0111\u1ed9 minification, obfuscation, ho\u1eb7c kh\u00f4ng b\u1eadt Hermes engine trong phi\u00ean b\u1ea3n production.<\/span><\/li>\n\n\n\n<li><b>H\u1eadu qu\u1ea3<\/b><span style=\"font-weight: 400;\">: \u1ee8ng d\u1ee5ng m\u1ea5t nhi\u1ec1u th\u1eddi gian x\u1eed l\u00fd h\u01a1n so v\u1edbi \u1ee9ng d\u1ee5ng \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b> X\u1eed l\u00fd logic ph\u1ee9c t\u1ea1p trong m\u00e3 ngu\u1ed3n<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Nguy\u00ean nh\u00e2n<\/b><span style=\"font-weight: 400;\">: Th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c t\u00ednh to\u00e1n, x\u1eed l\u00fd logic n\u1eb7ng ho\u1eb7c ch\u1edd \u0111\u1ee3i kh\u00f4ng c\u1ea7n thi\u1ebft trong khi kh\u1edfi \u0111\u1ed9ng.<\/span><\/li>\n\n\n\n<li><b>H\u1eadu qu\u1ea3<\/b><span style=\"font-weight: 400;\">: \u1ee8ng d\u1ee5ng ph\u1ea3i m\u1ea5t th\u00eam th\u1eddi gian \u0111\u1ec3 x\u1eed l\u00fd tr\u01b0\u1edbc khi hi\u1ec3n th\u1ecb giao di\u1ec7n ch\u00ednh.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cac-ph\u01b0\u01a1ng-phap-d\u1ec3-c\u1ea3i-thi\u1ec7n-th\u1eddi-gian-t\u1ea3i-\u1ee9ng-d\u1ee5ng-react-native-la-gi\"><strong>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 c\u1ea3i thi\u1ec7n th\u1eddi gian t\u1ea3i \u1ee9ng d\u1ee5ng React Native l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 c\u1ea3i thi\u1ec7n th\u1eddi gian t\u1ea3i \u1ee9ng d\u1ee5ng React Native, t\u00f4i s\u1ebd \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p sau:<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-gi\u1ea3m-kich-th\u01b0\u1edbc-bundle\"><b>Gi\u1ea3m k\u00edch th\u01b0\u1edbc bundle<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><b>Code Splitting<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 chia m\u00e3 ngu\u1ed3n th\u00e0nh c\u00e1c ph\u1ea7n nh\u1ecf, gi\u00fap t\u1ea3i c\u00e1c ph\u1ea7n c\u1ea7n thi\u1ebft tr\u01b0\u1edbc v\u00e0 c\u00e1c ph\u1ea7n kh\u00e1c khi ng\u01b0\u1eddi d\u00f9ng c\u1ea7n.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Lo\u1ea1i b\u1ecf m\u00e3 th\u1eeba v\u00e0 ch\u1ec9 gi\u1eef l\u1ea1i c\u00e1c th\u01b0 vi\u1ec7n v\u00e0 m\u00e3 c\u1ea7n thi\u1ebft. C\u0169ng n\u00ean s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <\/span><b>tree-shaking<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u00e3 kh\u00f4ng s\u1eed d\u1ee5ng.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-t\u1ed1i-\u01b0u-hoa-hinh-\u1ea3nh-va-tai-nguyen\"><b>T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh v\u00e0 t\u00e0i nguy\u00ean<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">D\u00f9ng c\u00e1c h\u00ecnh \u1ea3nh c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i thi\u1ebft b\u1ecb, gi\u00fap gi\u1ea3m dung l\u01b0\u1ee3ng t\u1ea3i v\u1ec1. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <\/span><b>react-native-fast-image<\/b><span style=\"font-weight: 400;\"> c\u00f3 th\u1ec3 gi\u00fap t\u1ea3i \u1ea3nh nhanh h\u01a1n.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u1ea3nh n\u00e9n nh\u01b0 WebP ho\u1eb7c AVIF \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc file \u1ea3nh.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-c\u1ea3i-thi\u1ec7n-t\u1ed1c-d\u1ed9-kh\u1edfi-t\u1ea1o-\u1ee9ng-d\u1ee5ng\"><b>C\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 kh\u1edfi t\u1ea1o \u1ee9ng d\u1ee5ng<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Lazy loading<\/b><span style=\"font-weight: 400;\">: T\u1ea3i c\u00e1c m\u00e0n h\u00ecnh ho\u1eb7c th\u00e0nh ph\u1ea7n kh\u00f4ng c\u1ea7n thi\u1ebft ngay l\u1eadp t\u1ee9c m\u00e0 ch\u1ec9 t\u1ea3i khi ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u h\u00f3a c\u00e1c <\/span><b>Native Modules<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 trong vi\u1ec7c giao ti\u1ebfp gi\u1eefa JavaScript v\u00e0 Native Code.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-t\u1ed1i-\u01b0u-hoa-redux-store\"><b>T\u1ed1i \u01b0u h\u00f3a Redux Store<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><b>Redux Toolkit<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 gi\u00fap gi\u1ea3m thi\u1ec3u vi\u1ec7c t\u1ea3i l\u1ea1i tr\u1ea1ng th\u00e1i kh\u00f4ng c\u1ea7n thi\u1ebft, t\u1eeb \u0111\u00f3 gi\u1ea3m b\u1edbt s\u1ed1 l\u1ea7n render l\u1ea1i c\u1ee7a UI.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-t\u1ed1i-\u01b0u-hoa-javascript-va-ui-rendering\"><b>T\u1ed1i \u01b0u h\u00f3a JavaScript v\u00e0 UI rendering<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u h\u00f3a vi\u1ec7c render l\u1ea1i c\u00e1c component b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <\/span><b>React.memo<\/b><span style=\"font-weight: 400;\"> v\u00e0 <\/span><b>PureComponent<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 tr\u00e1nh render l\u1ea1i c\u00e1c component kh\u00f4ng thay \u0111\u1ed5i.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c component ch\u1ec9 render khi th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft, s\u1eed d\u1ee5ng <\/span><b>shouldComponentUpdate<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><b>React.memo<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh n\u00e0y.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-preload-cac-tai-nguyen-quan-tr\u1ecdng\"><b>Preload c\u00e1c t\u00e0i nguy\u00ean quan tr\u1ecdng<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Preload c\u00e1c t\u00e0i nguy\u00ean quan tr\u1ecdng nh\u01b0 font, h\u00ecnh \u1ea3nh, ho\u1eb7c API ngay khi \u1ee9ng d\u1ee5ng kh\u1edfi \u0111\u1ed9ng \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng ph\u1ea3i ch\u1edd \u0111\u1ee3i trong l\u00fac s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-s\u1eed-d\u1ee5ng-hermes-engine\"><b>S\u1eed d\u1ee5ng Hermes Engine<\/b><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">K\u00edch ho\u1ea1t <\/span><b>Hermes<\/b><span style=\"font-weight: 400;\">, m\u1ed9t JavaScript engine t\u1ed1i \u01b0u cho React Native, gi\u00fap gi\u1ea3m th\u1eddi gian kh\u1edfi t\u1ea1o \u1ee9ng d\u1ee5ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, \u1ee9ng d\u1ee5ng React Native s\u1ebd \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 c\u00f3 th\u1eddi gian t\u1ea3i nhanh h\u01a1n, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m m\u01b0\u1ee3t m\u00e0 cho ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-gi\u1ea3i-thich-v\u1ec1-virtualizedlist-va-cach-s\u1eed-d\u1ee5ng-no-nbsp\"><span style=\"font-weight: 400;\"><strong>Gi\u1ea3i th\u00edch v\u1ec1 VirtualizedList v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng n\u00f3<\/strong>&nbsp;<\/span><\/h3>\n\n\n\n<p><b>VirtualizedList<\/b><span style=\"font-weight: 400;\">&nbsp;l\u00e0 m\u1ed9t component thay th\u1ebf cho <\/span><span style=\"font-weight: 400;\">FlatList<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">SectionList<\/span><span style=\"font-weight: 400;\"> khi b\u1ea1n c\u1ea7n l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c danh s\u00e1ch c\u00f3 s\u1ed1 l\u01b0\u1ee3ng ph\u1ea7n t\u1eed l\u1edbn. Thay v\u00ec render t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a danh s\u00e1ch c\u00f9ng l\u00fac, <\/span><span style=\"font-weight: 400;\">VirtualizedList<\/span><span style=\"font-weight: 400;\"> ch\u1ec9 render c\u00e1c ph\u1ea7n t\u1eed hi\u1ec7n th\u1ecb trong viewport, t\u1ee9c l\u00e0 c\u00e1c ph\u1ea7n t\u1eed m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c tr\u00ean m\u00e0n h\u00ecnh t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb v\u00e0 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 t\u1ea3i \u1ee9ng d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t khi danh s\u00e1ch ch\u1ee9a h\u00e0ng ngh\u00ecn ph\u1ea7n t\u1eed.<\/span><\/p>\n\n\n\n<p><b>L\u1ee3i \u00edch c\u1ee7a <\/b><b>VirtualizedList<\/b><b>:<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Hi\u1ec7u su\u1ea5t cao<\/b><span style=\"font-weight: 400;\">: Ch\u1ec9 render c\u00e1c ph\u1ea7n t\u1eed hi\u1ec7n th\u1ea5y tr\u00ean m\u00e0n h\u00ecnh, gi\u00fap ti\u1ebft ki\u1ec7m b\u1ed9 nh\u1edb v\u00e0 gi\u1ea3m t\u1ea3i cho \u1ee9ng d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><b>D\u1ec5 d\u00e0ng t\u00f9y ch\u1ec9nh<\/b><span style=\"font-weight: 400;\">: Cho ph\u00e9p b\u1ea1n t\u00f9y ch\u1ec9nh c\u00e1ch l\u1ea5y d\u1eef li\u1ec7u v\u00e0 render c\u00e1c ph\u1ea7n t\u1eed, r\u1ea5t h\u1eefu \u00edch khi l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p ho\u1eb7c c\u1ea7n t\u1ed1i \u01b0u h\u00f3a th\u00eam.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>C\u00e1ch s\u1eed d\u1ee5ng <\/b><b>VirtualizedList<\/b><b>:<\/b> <span style=\"font-weight: 400;\">VirtualizedList<\/span><span style=\"font-weight: 400;\"> nh\u1eadn v\u00e0o c\u00e1c prop c\u01a1 b\u1ea3n nh\u01b0 <\/span><span style=\"font-weight: 400;\">data<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">renderItem<\/span><span style=\"font-weight: 400;\">, v\u00e0 <\/span><span style=\"font-weight: 400;\">getItemCount<\/span><span style=\"font-weight: 400;\">, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 <\/span><span style=\"font-weight: 400;\">FlatList<\/span><span style=\"font-weight: 400;\">, nh\u01b0ng c\u1ea7n m\u1ed9t s\u1ed1 th\u00f4ng tin b\u1ed5 sung \u0111\u1ec3 t\u00ednh to\u00e1n s\u1ed1 l\u01b0\u1ee3ng ph\u1ea7n t\u1eed v\u00e0 ch\u1ec9 render nh\u1eefng ph\u1ea7n t\u1eed c\u1ea7n thi\u1ebft.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 c\u01a1 b\u1ea3n v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">VirtualizedList<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">import React from 'react';<\/span>\n<span style=\"font-weight: 400;\">import { VirtualizedList, Text, View } from 'react-native';<\/span>\n\n<span style=\"font-weight: 400;\">const data = &#91;...Array(1000).keys()]; \/\/ M\u1ed9t danh s\u00e1ch d\u00e0i 1000 ph\u1ea7n t\u1eed<\/span>\n\n<span style=\"font-weight: 400;\">const getItemCount = (data) =&gt; data.length; \/\/ S\u1ed1 l\u01b0\u1ee3ng ph\u1ea7n t\u1eed trong danh s\u00e1ch<\/span>\n<span style=\"font-weight: 400;\">const getItem = (data, index) =&gt; ({ key: index, title: `Item ${data&#91;index]}` });<\/span>\n\n<span style=\"font-weight: 400;\">const renderItem = ({ item }) =&gt; (<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&lt;View style={{ padding: 20 }}&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&lt;Text&gt;{item.title}&lt;\/Text&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&lt;\/View&gt;<\/span>\n<span style=\"font-weight: 400;\">);<\/span>\n\n<span style=\"font-weight: 400;\">const MyList = () =&gt; (<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&lt;VirtualizedList<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;data={data}<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;getItemCount={getItemCount}<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;getItem={getItem}<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;renderItem={renderItem}<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;keyExtractor={(item) =&gt; item.key.toString()}<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;\/&gt;<\/span>\n<span style=\"font-weight: 400;\">);<\/span>\n\n<span style=\"font-weight: 400;\">export default MyList;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong v\u00ed d\u1ee5 tr\u00ean:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">getItemCount<\/span><span style=\"font-weight: 400;\">: X\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng ph\u1ea7n t\u1eed trong danh s\u00e1ch.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">getItem<\/span><span style=\"font-weight: 400;\">: Tr\u1ea3 v\u1ec1 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ea7n t\u1eed t\u1ea1i m\u1ed9t ch\u1ec9 m\u1ee5c nh\u1ea5t \u0111\u1ecbnh.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">renderItem<\/span><span style=\"font-weight: 400;\">: \u0110\u1ecbnh ngh\u0129a c\u00e1ch m\u1ed7i ph\u1ea7n t\u1eed trong danh s\u00e1ch s\u1ebd \u0111\u01b0\u1ee3c render.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-t\u1ed1i-\u01b0u-hoa-\u1ea3nh-va-cac-tai-nguyen-trong-\u1ee9ng-d\u1ee5ng-react-native\"><strong>C\u00e1ch t\u1ed1i \u01b0u h\u00f3a \u1ea3nh v\u00e0 c\u00e1c t\u00e0i nguy\u00ean trong \u1ee9ng d\u1ee5ng React Native<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>S\u1eed d\u1ee5ng \u1ea3nh v\u1edbi k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p<\/b><span style=\"font-weight: 400;\">: \u1ee8ng vi\u00ean c\u1ea7n gi\u1ea3i th\u00edch c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc \u1ea3nh tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o \u1ee9ng d\u1ee5ng, nh\u01b0 s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u1ea3nh n\u00e9n (WebP, JPEG) thay v\u00ec PNG. Ngo\u00e0i ra, c\u1ea7n gi\u1edbi thi\u1ec7u vi\u1ec7c s\u1eed d\u1ee5ng \u1ea3nh v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i thi\u1ebft b\u1ecb (xhdpi, xxhdpi, xxxhdpi), \u0111\u1ec3 tr\u00e1nh vi\u1ec7c t\u1ea3i c\u00e1c \u1ea3nh c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i qu\u00e1 cao tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u00f3 m\u00e0n h\u00ecnh nh\u1ecf.<\/span><\/li>\n\n\n\n<li><b>Lazy loading (T\u1ea3i \u1ea3nh khi c\u1ea7n)<\/b><span style=\"font-weight: 400;\">: M\u1ed9t c\u00e1ch t\u1ed1i \u01b0u kh\u00e1c l\u00e0 s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt lazy loading \u0111\u1ec3 ch\u1ec9 t\u1ea3i \u1ea3nh khi ng\u01b0\u1eddi d\u00f9ng th\u1ef1c s\u1ef1 c\u1ea7n nh\u00ecn th\u1ea5y n\u00f3 (v\u00ed d\u1ee5: khi \u1ea3nh xu\u1ea5t hi\u1ec7n trong ph\u1ea7n visible c\u1ee7a m\u00e0n h\u00ecnh). \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m b\u1edbt t\u1ea3i tr\u00ean m\u1ea1ng v\u00e0 gi\u00fap \u1ee9ng d\u1ee5ng kh\u1edfi \u0111\u1ed9ng nhanh h\u01a1n.<\/span><\/li>\n\n\n\n<li><b>S\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n nh\u01b0 <\/b><b>react-native-fast-image<\/b><span style=\"font-weight: 400;\">: \u0110\u00e2y l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n n\u1ed5i b\u1eadt gi\u00fap t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c t\u1ea3i v\u00e0 hi\u1ec3n th\u1ecb \u1ea3nh trong React Native. Th\u01b0 vi\u1ec7n n\u00e0y h\u1ed7 tr\u1ee3 caching (b\u1ed9 nh\u1edb \u0111\u1ec7m), gi\u1ea3m thi\u1ec3u vi\u1ec7c t\u1ea3i l\u1ea1i \u1ea3nh khi ng\u01b0\u1eddi d\u00f9ng quay l\u1ea1i trang c\u0169, gi\u00fap \u1ee9ng d\u1ee5ng ph\u1ea3n h\u1ed3i nhanh h\u01a1n.<\/span><\/li>\n\n\n\n<li><b>C\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 t\u1ea3i \u1ea3nh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng cache<\/b><span style=\"font-weight: 400;\">: Vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb \u0111\u1ec7m cho \u1ea3nh gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ed1 l\u1ea7n t\u1ea3i l\u1ea1i v\u00e0 ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng. \u1ee8ng vi\u00ean c\u1ea7n bi\u1ebft c\u00e1ch t\u00edch h\u1ee3p c\u00e1c gi\u1ea3i ph\u00e1p cache hi\u1ec7u qu\u1ea3, nh\u01b0 s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">Image.prefetch<\/span><span style=\"font-weight: 400;\"> trong React Native \u0111\u1ec3 t\u1ea3i \u1ea3nh v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m tr\u01b0\u1edbc khi hi\u1ec3n th\u1ecb.<\/span><\/li>\n\n\n\n<li><b>T\u1ed1i \u01b0u h\u00f3a t\u00e0i nguy\u00ean kh\u00e1c (Font, Icons, SVGs)<\/b><span style=\"font-weight: 400;\">: B\u00ean c\u1ea1nh \u1ea3nh, \u1ee9ng vi\u00ean c\u0169ng c\u1ea7n bi\u1ebft c\u00e1ch t\u1ed1i \u01b0u h\u00f3a c\u00e1c t\u00e0i nguy\u00ean kh\u00e1c nh\u01b0 font ch\u1eef v\u00e0 icons. S\u1eed d\u1ee5ng SVGs thay v\u00ec \u1ea3nh bitmap cho c\u00e1c icon c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m k\u00edch th\u01b0\u1edbc \u1ee9ng d\u1ee5ng. \u0110\u1ed3ng th\u1eddi, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c font ch\u1eef h\u1ec7 th\u1ed1ng thay v\u00ec font t\u00f9y ch\u1ec9nh (ho\u1eb7c t\u1ea3i ch\u00fang t\u1eeb ngu\u1ed3n ngo\u00e0i) c\u0169ng gi\u00fap gi\u1ea3m b\u1edbt t\u00e0i nguy\u00ean t\u1ea3i v\u1ec1.<\/span><\/li>\n\n\n\n<li><b>S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng v\u00e0 ph\u00e2n ph\u1ed1i \u1ee9ng d\u1ee5ng t\u1ed1i \u01b0u<\/b><span style=\"font-weight: 400;\">: Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, \u1ee9ng vi\u00ean c\u00f3 th\u1ec3 \u0111\u1ec1 xu\u1ea5t s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng nh\u01b0 <\/span><span style=\"font-weight: 400;\">react-native-image-resizer<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u1ed1i \u01b0u h\u00f3a \u1ea3nh khi x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng, c\u0169ng nh\u01b0 gi\u1ea3m dung l\u01b0\u1ee3ng c\u1ee7a \u1ea3nh khi ph\u00e2n ph\u1ed1i qua c\u00e1c n\u1ec1n t\u1ea3ng.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-khi-nao-nen-s\u1eed-d\u1ee5ng-purecomponent-ho\u1eb7c-memo-trong-react-native\"><strong>Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng PureComponent ho\u1eb7c memo trong React Native?<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong React Native, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">PureComponent<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">memo<\/span><span style=\"font-weight: 400;\"> khi b\u1ea1n mu\u1ed1n t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng b\u1eb1ng c\u00e1ch ng\u1eebng render l\u1ea1i component kh\u00f4ng c\u1ea7n thi\u1ebft. N\u1ebfu b\u1ea1n l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c class component v\u00e0 c\u00e1c props ho\u1eb7c state kh\u00f4ng thay \u0111\u1ed5i nhi\u1ec1u, s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">PureComponent<\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1t. C\u00f2n n\u1ebfu b\u1ea1n l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c functional component, <\/span><span style=\"font-weight: 400;\">memo<\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, b\u1ea1n c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c props ph\u1ee9c t\u1ea1p, v\u00ec c\u1ea3 hai \u0111\u1ec1u ch\u1ec9 so s\u00e1nh shallow. \u0110\u00f4i khi, vi\u1ec7c cung c\u1ea5p m\u1ed9t h\u00e0m so s\u00e1nh t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>T\u00ecnh hu\u1ed1ng<\/b><\/td><td><b>Gi\u1ea3i ph\u00e1p \u0111\u1ec1 xu\u1ea5t&nbsp;<\/b><\/td><td><b>L\u01b0u \u00fd&nbsp;<\/b><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><b>class component<\/b><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><b>PureComponent<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 tr\u00e1nh render l\u1ea1i khi <\/span><b>props<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><b>state<\/b><span style=\"font-weight: 400;\"> kh\u00f4ng thay \u0111\u1ed5i.<\/span><\/td><td><span style=\"font-weight: 400;\">PureComponent ch\u1ec9 th\u1ef1c hi\u1ec7n so s\u00e1nh shallow, kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u1edbi <\/span><b>props ph\u1ee9c t\u1ea1p<\/b><span style=\"font-weight: 400;\"> (nh\u01b0 object, array l\u1ed3ng nhau).<\/span><\/td><\/tr><tr><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><b>functional component<\/b><\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><b>React.memo<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a render.<\/span><\/td><td><span style=\"font-weight: 400;\">React.memo c\u0169ng ch\u1ec9 so s\u00e1nh shallow, c\u1ea7n cung c\u1ea5p h\u00e0m so s\u00e1nh t\u00f9y ch\u1ec9nh n\u1ebfu c\u1ea7n thi\u1ebft.<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-react-native-v\u1ec1-cong-c\u1ee5-va-th\u01b0-vi\u1ec7n-h\u1ed7-tr\u1ee3\"><span class=\"ez-toc-section\" id=\"Cau_hoi_phong_van_React_Native_ve_cong_cu_va_thu_vien_ho_tro\"><\/span><strong>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native v\u1ec1 c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cac-cong-c\u1ee5-ph\u1ed5-bi\u1ebfn-d\u1ec3-debug-\u1ee9ng-d\u1ee5ng-react-native\"><strong>C\u00e1c c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn \u0111\u1ec3 debug \u1ee9ng d\u1ee5ng React Native<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>React Native Debugger<\/b><span style=\"font-weight: 400;\">: \u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi Chrome Developer Tools, gi\u00fap debug c\u1ea3 JavaScript v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng. React Native Debugger cho ph\u00e9p theo d\u00f5i tr\u1ea1ng th\u00e1i Redux, xem log, v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c debugging m\u1ea1nh m\u1ebd.<\/span><\/li>\n\n\n\n<li><b>Flipper<\/b><span style=\"font-weight: 400;\">: Flipper l\u00e0 c\u00f4ng c\u1ee5 \u0111a n\u0103ng d\u00f9ng \u0111\u1ec3 debug \u1ee9ng d\u1ee5ng React Native. Flipper h\u1ed7 tr\u1ee3 nhi\u1ec1u t\u00ednh n\u0103ng nh\u01b0 theo d\u00f5i API, ki\u1ec3m tra hi\u1ec7u su\u1ea5t, v\u00e0 xem log. N\u00f3 c\u0169ng cung c\u1ea5p c\u00e1c plugin cho vi\u1ec7c ki\u1ec3m tra c\u01a1 s\u1edf d\u1eef li\u1ec7u SQLite, ki\u1ec3m tra d\u1eef li\u1ec7u v\u00e0 tr\u1ea1ng th\u00e1i c\u1ee7a Redux, v\u00e0 th\u1eadm ch\u00ed l\u00e0 debug native code.<\/span><\/li>\n\n\n\n<li><b>Console.log()<\/b><span style=\"font-weight: 400;\">: M\u1eb7c d\u00f9 \u0111\u01a1n gi\u1ea3n, <\/span><span style=\"font-weight: 400;\">console.log()<\/span><span style=\"font-weight: 400;\"> v\u1eabn l\u00e0 c\u00f4ng c\u1ee5 debug c\u01a1 b\u1ea3n nh\u1ea5t trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng React Native. Vi\u1ec7c ch\u00e8n c\u00e1c d\u00f2ng log trong m\u00e3 gi\u00fap theo d\u00f5i lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1 trong \u1ee9ng d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><b>React Developer Tools<\/b><span style=\"font-weight: 400;\">: \u0110\u00e2y l\u00e0 m\u1ed9t extension cho Chrome, gi\u00fap theo d\u00f5i v\u00e0 ph\u00e2n t\u00edch c\u00e1c component trong React Native, xem c\u00e1c props v\u00e0 state c\u1ee7a ch\u00fang, c\u0169ng nh\u01b0 ki\u1ec3m tra c\u00e1c thay \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh \u1ee9ng d\u1ee5ng ch\u1ea1y.<\/span><\/li>\n\n\n\n<li><b>Xcode\/Android Studio<\/b><span style=\"font-weight: 400;\">: \u0110\u1ed1i v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 native, vi\u1ec7c s\u1eed d\u1ee5ng Xcode tr\u00ean iOS ho\u1eb7c Android Studio tr\u00ean Android l\u00e0 r\u1ea5t quan tr\u1ecdng. C\u00e1c IDE n\u00e0y c\u00f3 c\u00f4ng c\u1ee5 debug m\u1ea1nh m\u1ebd, gi\u00fap ki\u1ec3m tra c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn native code, c\u1ea5u h\u00ecnh, v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-s\u1eed-d\u1ee5ng-expo-trong-react-native-co-l\u1ee3i-ich-gi-nbsp\"><strong>S\u1eed d\u1ee5ng Expo trong React Native c\u00f3 l\u1ee3i \u00edch g\u00ec?&nbsp;<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u1ee3i \u00edch khi s\u1eed d\u1ee5ng Expo:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>C\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh \u0111\u01a1n gi\u1ea3n<\/b><span style=\"font-weight: 400;\">: Expo gi\u00fap gi\u1ea3m thi\u1ec3u c\u00e1c b\u01b0\u1edbc c\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh ban \u0111\u1ea7u. Ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng c\u1ea7n ph\u1ea3i lo l\u1eafng v\u1ec1 vi\u1ec7c thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n ho\u1eb7c c\u1ea5u h\u00ecnh c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Android Studio, Xcode, v\u00ec Expo cung c\u1ea5p s\u1eb5n t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y trong m\u1ed9t package d\u1ec5 s\u1eed d\u1ee5ng.<\/span><\/li>\n\n\n\n<li><b>Ch\u1ea1y \u1ee9ng d\u1ee5ng ngay l\u1eadp t\u1ee9c tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/b><span style=\"font-weight: 400;\">: V\u1edbi Expo Go, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ea1y \u1ee9ng d\u1ee5ng tr\u1ef1c ti\u1ebfp tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i bi\u00ean d\u1ecbch l\u1ea1i. \u0110i\u1ec1u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian ph\u00e1t tri\u1ec3n v\u00e0 th\u1eed nghi\u1ec7m.<\/span><\/li>\n\n\n\n<li><b>H\u1ed7 tr\u1ee3 nhi\u1ec1u t\u00ednh n\u0103ng s\u1eb5n c\u00f3<\/b><span style=\"font-weight: 400;\">: Expo cung c\u1ea5p r\u1ea5t nhi\u1ec1u API v\u00e0 th\u01b0 vi\u1ec7n s\u1eb5n c\u00f3 nh\u01b0 camera, location, notifications, v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng kh\u00e1c m\u00e0 b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i c\u00e0i \u0111\u1eb7t ri\u00eang bi\u1ec7t ho\u1eb7c x\u1eed l\u00fd native code. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n.<\/span><\/li>\n\n\n\n<li><b>C\u1ed9ng \u0111\u1ed3ng m\u1ea1nh m\u1ebd v\u00e0 t\u00e0i li\u1ec7u \u0111\u1ea7y \u0111\u1ee7<\/b><span style=\"font-weight: 400;\">: Expo c\u00f3 m\u1ed9t c\u1ed9ng \u0111\u1ed3ng h\u1ed7 tr\u1ee3 l\u1edbn v\u00e0 t\u00e0i li\u1ec7u chi ti\u1ebft, d\u1ec5 ti\u1ebfp c\u1eadn. \u0110i\u1ec1u n\u00e0y gi\u00fap l\u1eadp tr\u00ecnh vi\u00ean d\u1ec5 d\u00e0ng t\u00ecm ki\u1ebfm v\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n.<\/span><\/li>\n\n\n\n<li><b>Kh\u1ea3 n\u0103ng xu\u1ea5t b\u1ea3n nhanh ch\u00f3ng<\/b><span style=\"font-weight: 400;\">: Expo gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng xu\u1ea5t b\u1ea3n \u1ee9ng d\u1ee5ng l\u00ean App Store v\u00e0 Google Play m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i l\u00e0m vi\u1ec7c v\u1edbi native code ho\u1eb7c c\u00f4ng c\u1ee5 nh\u01b0 Xcode v\u00e0 Android Studio.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cac-th\u01b0-vi\u1ec7n-h\u1ed7-tr\u1ee3-cho-vi\u1ec7c-xay-d\u1ef1ng-ui-trong-react-native-nh\u01b0-nativebase-react-native-paper\"><strong>C\u00e1c th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3 cho vi\u1ec7c x\u00e2y d\u1ef1ng UI trong React Native nh\u01b0 NativeBase, React Native Paper<\/strong><\/h3>\n\n\n\n<p><b>NativeBase<\/b><span style=\"font-weight: 400;\"> v\u00e0 <\/span><b>React Native Paper<\/b><span style=\"font-weight: 400;\">. \u0110\u00e2y l\u00e0 c\u00e1c th\u01b0 vi\u1ec7n ph\u1ed5 bi\u1ebfn gi\u00fap t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng, cung c\u1ea5p c\u00e1c th\u00e0nh ph\u1ea7n UI \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a v\u00e0 thi\u1ebft k\u1ebf s\u1eb5n.<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>NativeBase<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n UI \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ea3 Android v\u00e0 iOS, v\u1edbi m\u1ee5c ti\u00eau gi\u00fap l\u1eadp tr\u00ecnh vi\u00ean x\u00e2y d\u1ef1ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u1eb9p v\u00e0 nh\u1ea5t qu\u00e1n m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i t\u1ef1 tay t\u1ea1o ra c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 buttons, forms, modals, tabs, v.v. NativeBase h\u1ed7 tr\u1ee3 c\u1ea3 theme t\u00f9y ch\u1ec9nh, gi\u00fap d\u1ec5 d\u00e0ng thay \u0111\u1ed5i giao di\u1ec7n \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch linh ho\u1ea1t.<\/span><\/li>\n\n\n\n<li><b>React Native Paper<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n UI \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u00e1c nguy\u00ean l\u00fd c\u1ee7a Material Design, gi\u00fap \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n c\u00f3 m\u1ed9t giao di\u1ec7n hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb9p m\u1eaft v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. React Native Paper cung c\u1ea5p c\u00e1c th\u00e0nh ph\u1ea7n UI nh\u01b0 buttons, dialogs, cards, lists, v\u00e0 nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c, \u0111\u1ed3ng th\u1eddi h\u1ed7 tr\u1ee3 ch\u1ee7 \u0111\u1ed9ng t\u00f9y ch\u1ec9nh giao di\u1ec7n theo y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-s\u1eed-d\u1ee5ng-react-native-cli-d\u1ec3-t\u1ea1o-va-qu\u1ea3n-ly-d\u1ef1-an-nbsp\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 s\u1eed d\u1ee5ng React Native CLI \u0111\u1ec3 t\u1ea1o v\u00e0 qu\u1ea3n l\u00fd d\u1ef1 \u00e1n?&nbsp;<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u1ea1o v\u00e0 qu\u1ea3n l\u00fd d\u1ef1 \u00e1n React Native, t\u00f4i s\u1ebd s\u1eed d\u1ee5ng React Native CLI, m\u1ed9t c\u00f4ng c\u1ee5 d\u00f2ng l\u1ec7nh m\u1ea1nh m\u1ebd h\u1ed7 tr\u1ee3 t\u1ea1o v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng React Native. C\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n nh\u01b0 sau:<\/span><\/p>\n\n\n\n<p><b>B\u01b0\u1edbc 1: C\u00e0i \u0111\u1eb7t React Native CLI<\/b><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc ti\u00ean, t\u00f4i c\u1ea7n c\u00e0i \u0111\u1eb7t React Native CLI n\u1ebfu ch\u01b0a c\u00f3. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng npm (ho\u1eb7c yarn):<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">npm install -g react-native-cli<\/span><\/code><\/pre>\n\n\n\n<p><b>B\u01b0\u1edbc 2: T\u1ea1o d\u1ef1 \u00e1n m\u1edbi<\/b><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Sau khi c\u00e0i \u0111\u1eb7t xong, t\u00f4i c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t d\u1ef1 \u00e1n m\u1edbi b\u1eb1ng l\u1ec7nh:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">npx react-native init MyProject<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u1ec7nh n\u00e0y s\u1ebd t\u1ea1o m\u1ed9t th\u01b0 m\u1ee5c d\u1ef1 \u00e1n v\u1edbi c\u1ea5u tr\u00fac m\u1eb7c \u0111\u1ecbnh, bao g\u1ed3m c\u00e1c t\u1ec7p c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1eaft \u0111\u1ea7u ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng React Native.<\/span><\/p>\n\n\n\n<p><b>B\u01b0\u1edbc 3: Ch\u1ea1y d\u1ef1 \u00e1n tr\u00ean thi\u1ebft b\u1ecb m\u00f4 ph\u1ecfng ho\u1eb7c thi\u1ebft b\u1ecb th\u1eadt<\/b><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Sau khi t\u1ea1o xong d\u1ef1 \u00e1n, t\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c l\u1ec7nh \u0111\u1ec3 ch\u1ea1y \u1ee9ng d\u1ee5ng tr\u00ean thi\u1ebft b\u1ecb m\u00f4 ph\u1ecfng (iOS ho\u1eb7c Android):<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">\u0110\u1ed1i v\u1edbi iOS:<\/span><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">npx react-native run-ios<\/span><\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">\u0110\u1ed1i v\u1edbi Android:<\/span><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">npx react-native run-android<\/span><\/code><\/pre>\n\n\n\n<p><b>B\u01b0\u1edbc 4: Qu\u1ea3n l\u00fd c\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0 c\u1ea5u h\u00ecnh d\u1ef1 \u00e1n<\/b><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">React Native CLI h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd c\u00e1c ph\u1ee5 thu\u1ed9c (dependencies) th\u00f4ng qua npm ho\u1eb7c yarn. T\u00f4i c\u00f3 th\u1ec3 th\u00eam c\u00e1c th\u01b0 vi\u1ec7n c\u1ea7n thi\u1ebft cho d\u1ef1 \u00e1n b\u1eb1ng l\u1ec7nh:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">npm install &lt;package-name&gt;<\/span><\/code><\/pre>\n\n\n\n<p><b>B\u01b0\u1edbc 5: X\u1eed l\u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 khi ph\u00e1t tri\u1ec3n<\/b><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi ph\u00e1t tri\u1ec3n, t\u00f4i s\u1ebd th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <\/span><span style=\"font-weight: 400;\">react-native start<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng server Metro (bundler c\u1ee7a React Native) v\u00e0 theo d\u00f5i c\u00e1c thay \u0111\u1ed5i c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, React Native CLI c\u00f2n h\u1ed7 tr\u1ee3 c\u00e1c l\u1ec7nh h\u1eefu \u00edch kh\u00e1c nh\u01b0 <\/span><span style=\"font-weight: 400;\">link<\/span><span style=\"font-weight: 400;\"> (\u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c th\u01b0 vi\u1ec7n native), <\/span><span style=\"font-weight: 400;\">clean<\/span><span style=\"font-weight: 400;\"> (\u0111\u1ec3 l\u00e0m s\u1ea1ch b\u1ed9 nh\u1edb cache), v\u00e0 <\/span><span style=\"font-weight: 400;\">upgrade<\/span><span style=\"font-weight: 400;\"> (\u0111\u1ec3 n\u00e2ng c\u1ea5p React Native v\u00e0 c\u00e1c ph\u1ee5 thu\u1ed9c).<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-gi\u1edbi-thi\u1ec7u-v\u1ec1-metro-bundler-va-vai-tro-c\u1ee7a-no-trong-react-native\"><strong>Gi\u1edbi thi\u1ec7u v\u1ec1 Metro Bundler v\u00e0 vai tr\u00f2 c\u1ee7a n\u00f3 trong React Native<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Metro Bundler l\u00e0 c\u00f4ng c\u1ee5 \u0111\u00f3ng g\u00f3i (bundling) ch\u00ednh trong React Native, ch\u1ecbu tr\u00e1ch nhi\u1ec7m bi\u00ean d\u1ecbch v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u00e3 JavaScript c\u1ee7a \u1ee9ng d\u1ee5ng, chuy\u1ec3n ch\u00fang th\u00e0nh c\u00e1c t\u1ec7p m\u00e0 \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Vai tr\u00f2 c\u1ee7a Metro Bundler trong ph\u00e1t tri\u1ec3n React Native l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng, v\u00ec n\u00f3 gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian ph\u00e1t tri\u1ec3n nh\u1edd v\u00e0o t\u00ednh n\u0103ng hot reload, gi\u00fap l\u1eadp tr\u00ecnh vi\u00ean th\u1ea5y c\u00e1c thay \u0111\u1ed5i trong m\u00e3 ngu\u1ed3n ngay l\u1eadp t\u1ee9c m\u00e0 kh\u00f4ng ph\u1ea3i t\u1ea3i l\u1ea1i \u1ee9ng d\u1ee5ng ho\u00e0n to\u00e0n.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-k\u1ebft-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-react-native\"><span class=\"ez-toc-section\" id=\"Tong_ket_cau_hoi_phong_van_React_Native\"><\/span><strong>T\u1ed5ng k\u1ebft c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u1eb1ng vi\u1ec7c chu\u1ea9n b\u1ecb k\u1ef9 c\u00e0ng c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native k\u1ec3 tr\u00ean, \u1ee9ng vi\u00ean s\u1ebd c\u00f3 th\u1ec3 t\u1ef1 tin h\u01a1n khi \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n v\u1ec1 React Native, th\u1ec3 hi\u1ec7n \u0111\u01b0\u1ee3c ki\u1ebfn th\u1ee9c s\u00e2u r\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng \u00e1p d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5, th\u01b0 vi\u1ec7n \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c kh\u00e1i ni\u1ec7m v\u00e0 c\u00f4ng c\u1ee5 quan tr\u1ecdng s\u1ebd gi\u00fap l\u1eadp tr\u00ecnh vi\u00ean React Native c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng m\u01b0\u1ee3t m\u00e0 v\u00e0 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t nh\u1ea5t.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native ph\u1ed5 bi\u1ebfn d\u00e0nh cho l\u1eadp tr\u00ecnh vi\u00ean React Native, gi\u00fap hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt quan tr\u1ecdng m\u00e0 c\u00e1c \u1ee9ng vi\u00ean c\u1ea7n n\u1eafm v\u1eefng. T\u1eeb vi\u1ec7c tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn Redux, API, async\/await, cho \u0111\u1ebfn vi\u1ec7c [&hellip;]<\/p>\n","protected":false},"author":203,"featured_media":83030,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109,105],"tags":[],"class_list":["post-82656","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it","category-phong-van-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Top 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native th\u01b0\u1eddng g\u1eb7p nh\u1ea5t - ITviec Blog<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native ph\u1ed5 bi\u1ebfn k\u00e8m tr\u1ea3 l\u1eddi, t\u1eeb Redux, API, async\/await,... cho \u0111\u1ebfn c\u00e1c kh\u00e1i ni\u1ec7m n\u00e2ng cao.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Top 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native th\u01b0\u1eddng g\u1eb7p nh\u1ea5t\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native ph\u1ed5 bi\u1ebfn d\u00e0nh cho l\u1eadp tr\u00ecnh vi\u00ean React Native, gi\u00fap hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt quan tr\u1ecdng\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-react-native\/\" \/>\n<meta property=\"og:site_name\" content=\"ITviec Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ITviec\" \/>\n<meta property=\"article:published_time\" content=\"2024-12-18T10:08:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-03T02:44:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/12\/cau-hoi-phong-van-React-Native-vippro.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"790\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Tien Tran\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ITviec\" \/>\n<meta name=\"twitter:site\" content=\"@ITviec\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tien Tran\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"72 ph\u00fat\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Top 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n React Native th\u01b0\u1eddng g\u1eb7p nh\u1ea5t - 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