{"id":78562,"date":"2024-09-20T15:44:24","date_gmt":"2024-09-20T08:44:24","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=78562"},"modified":"2024-09-20T15:44:24","modified_gmt":"2024-09-20T08:44:24","slug":"redux-react-native-la-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/redux-react-native-la-gi\/","title":{"rendered":"Redux React Native: Chi ti\u1ebft s\u1eed d\u1ee5ng v\u00e0 L\u1ed7i th\u01b0\u1eddng g\u1eb7p"},"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\/redux-react-native-la-gi\/#React_Native_la_gi\" >React Native 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\/redux-react-native-la-gi\/#Redux_React_Native_la_gi\" >Redux React Native 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-3\" href=\"https:\/\/itviec.com\/blog\/redux-react-native-la-gi\/#Tai_sao_nen_su_dung_Redux_React_Native\" >T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng Redux React Native?<\/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\/redux-react-native-la-gi\/#Cac_cau_truc_co_ban_cua_Redux\" >C\u00e1c c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n c\u1ee7a Redux<\/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\/redux-react-native-la-gi\/#Tich_hop_Redux_vao_React_Native\" >T\u00edch h\u1ee3p Redux v\u00e0o React Native<\/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\/redux-react-native-la-gi\/#Cac_khai_niem_quan_trong_khi_lam_viec_voi_Redux_React_Native\" >C\u00e1c kh\u00e1i ni\u1ec7m quan tr\u1ecdng khi l\u00e0m vi\u1ec7c v\u1edbi Redux React Native<\/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\/redux-react-native-la-gi\/#Vi_du_thuc_te_ve_cach_su_dung_Redux_React_Native\" >V\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng Redux React Native<\/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\/redux-react-native-la-gi\/#Cac_van_de_thuong_gap_va_cach_giai_quyet_khi_su_dung_Redux_React_Native\" >C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft khi s\u1eed d\u1ee5ng Redux React Native<\/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\/redux-react-native-la-gi\/#So_sanh_voi_cac_quan_ly_trang_thai_khac\" >So s\u00e1nh v\u1edbi c\u00e1c qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i kh\u00e1c<\/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\/redux-react-native-la-gi\/#Cac_cau_hoi_thuong_gap_ve_Redux_React_Native\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Redux React Native<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/itviec.com\/blog\/redux-react-native-la-gi\/#Tong_ket_Redux_React_Native\" >T\u1ed5ng k\u1ebft Redux React Native<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng hi\u1ec7n nay, React Native n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd gi\u00fap x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng \u0111a n\u1ec1n t\u1ea3ng v\u1edbi hi\u1ec7u su\u1ea5t cao. Tuy nhi\u00ean, khi \u1ee9ng d\u1ee5ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p, qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i (state) tr\u1edf th\u00e0nh m\u1ed9t th\u00e1ch th\u1ee9c l\u1edbn. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac Redux, m\u1ed9t th\u01b0 vi\u1ec7n qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i, th\u1ec3 hi\u1ec7n gi\u00e1 tr\u1ecb c\u1ee7a m\u00ecnh. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 c\u00e1ch k\u1ebft h\u1ee3p Redux v\u1edbi React Native \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng m\u01b0\u1ee3t m\u00e0, d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao. B\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1ch thi\u1ebft l\u1eadp Redux trong m\u1ed9t d\u1ef1 \u00e1n React Native, c\u0169ng nh\u01b0 c\u00e1c k\u1ef9 thu\u1eadt \u0111\u1ec3 t\u1ed5 ch\u1ee9c v\u00e0 qu\u1ea3n l\u00fd state m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/strong><\/em><\/p>\n<p>\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u th\u00eam v\u1ec1:<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac c\u01a1 b\u1ea3n c\u1ee7a Redux<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00edch h\u1ee3p Redux v\u00e0o React Native\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c kh\u00e1i ni\u1ec7m quan tr\u1ecdng khi l\u00e0m vi\u1ec7c v\u1edbi Redux trong React Native<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u1ec1 c\u00e1ch \u00e1p d\u1ee5ng Redux React Native<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">So s\u00e1nh v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i kh\u00e1c<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"React_Native_la_gi\"><\/span><strong>React Native l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">React Native l\u00e0 m\u1ed9t framework m\u00e3 ngu\u1ed3n m\u1edf \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Facebook, cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng cho c\u1ea3 hai n\u1ec1n t\u1ea3ng iOS v\u00e0 Android b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng JavaScript v\u00e0 React. Thay v\u00ec vi\u1ebft m\u00e3 g\u1ed1c (native code) ri\u00eang bi\u1ec7t cho t\u1eebng h\u1ec7 \u0111i\u1ec1u h\u00e0nh, React Native cho ph\u00e9p s\u1eed d\u1ee5ng chung m\u1ed9t c\u01a1 s\u1edf m\u00e3 v\u00e0 bi\u00ean d\u1ecbch n\u00f3 th\u00e0nh m\u00e3 g\u1ed1c.<\/span><\/p>\n<p><b>\u01afu \u0111i\u1ec3m:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u00e1t tri\u1ec3n \u0111a n\u1ec1n t\u1ea3ng:<\/b><span style=\"font-weight: 400;\"> Vi\u1ebft m\u1ed9t l\u1ea7n, ch\u1ea1y tr\u00ean c\u1ea3 iOS v\u00e0 Android, gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Hi\u1ec7u su\u1ea5t g\u1ea7n nh\u01b0 native:<\/b><span style=\"font-weight: 400;\"> React Native s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng native, mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng t\u1ef1 \u1ee9ng d\u1ee5ng native.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u1ed9ng \u0111\u1ed3ng m\u1ea1nh m\u1ebd v\u00e0 th\u01b0 vi\u1ec7n phong ph\u00fa:<\/b><span style=\"font-weight: 400;\"> Do l\u00e0 m\u00e3 ngu\u1ed3n m\u1edf, React Native c\u00f3 m\u1ed9t c\u1ed9ng \u0111\u1ed3ng \u0111\u00f4ng \u0111\u1ea3o v\u00e0 nhi\u1ec1u th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3, gi\u00fap vi\u1ec7c ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Hot Reloading:<\/b><span style=\"font-weight: 400;\"> Cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n xem ngay l\u1eadp t\u1ee9c c\u00e1c thay \u0111\u1ed5i trong m\u00e3 m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i t\u00e1i bi\u00ean d\u1ecbch l\u1ea1i to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<\/ul>\n<p><b>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Hi\u1ec7u su\u1ea5t kh\u00f4ng ho\u00e0n to\u00e0n nh\u01b0 native:<\/b><span style=\"font-weight: 400;\"> D\u00f9 g\u1ea7n nh\u01b0 native, nh\u01b0ng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t, React Native c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t nh\u01b0 m\u00e3 g\u1ed1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u1ea1n ch\u1ebf t\u00ednh n\u0103ng:<\/b><span style=\"font-weight: 400;\"> M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng native ph\u1ee9c t\u1ea1p ho\u1eb7c m\u1edbi m\u1ebb c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ngay l\u1eadp t\u1ee9c ho\u1eb7c y\u00eau c\u1ea7u vi\u1ebft m\u00e3 g\u1ed1c \u0111\u1ec3 t\u00edch h\u1ee3p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u1ea7n ki\u1ebfn th\u1ee9c v\u1ec1 native:<\/b><span style=\"font-weight: 400;\"> \u0110\u1ec3 t\u1eadn d\u1ee5ng to\u00e0n b\u1ed9 s\u1ee9c m\u1ea1nh c\u1ee7a React Native, \u0111\u00f4i khi nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ea7n hi\u1ec3u bi\u1ebft v\u1ec1 m\u00e3 g\u1ed1c c\u1ee7a t\u1eebng n\u1ec1n t\u1ea3ng.<\/span><\/li>\n<\/ul>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam:\u00a0<a href=\"https:\/\/itviec.com\/blog\/tong-quan-react-native-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Chi ti\u1ebft React Native l\u00e0 g\u00ec v\u00e0 C\u00e1ch s\u1eed d\u1ee5ng A-Z<\/strong><\/a><\/em><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Redux_React_Native_la_gi\"><\/span><strong>Redux React Native l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Redux l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n JavaScript \u0111\u1ec3 qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i \u1ee9ng d\u1ee5ng. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u1edbi c\u00e1c th\u01b0 vi\u1ec7n front-end nh\u01b0 React \u0111\u1ec3 qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n v\u00e0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. Redux gi\u00fap qu\u1ea3n l\u00fd to\u00e0n b\u1ed9 tr\u1ea1ng th\u00e1i \u1ee9ng d\u1ee5ng trong m\u1ed9t c\u1eeda h\u00e0ng (store) duy nh\u1ea5t, cho ph\u00e9p truy c\u1eadp v\u00e0 thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng v\u00e0 c\u00f3 t\u1ed5 ch\u1ee9c.<\/span><\/p>\n<p><b>C\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>State:<\/b><span style=\"font-weight: 400;\"> L\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng ch\u1ee9a to\u00e0n b\u1ed9 d\u1eef li\u1ec7u c\u1ee7a \u1ee9ng d\u1ee5ng. State \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1ea1i m\u1ed9t n\u01a1i duy nh\u1ea5t (store) trong \u1ee9ng d\u1ee5ng Redux.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Action:<\/b><span style=\"font-weight: 400;\"> L\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng m\u00f4 t\u1ea3 m\u1ed9t s\u1ef1 ki\u1ec7n ho\u1eb7c m\u1ed9t \u00fd \u0111\u1ecbnh thay \u0111\u1ed5i state. M\u1ed7i action ph\u1ea3i c\u00f3 m\u1ed9t thu\u1ed9c t\u00ednh <\/span><span style=\"font-weight: 400;\">type<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 \u0111\u1ecbnh ngh\u0129a lo\u1ea1i h\u00e0nh \u0111\u1ed9ng v\u00e0 c\u00f3 th\u1ec3 k\u00e8m theo d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft cho s\u1ef1 thay \u0111\u1ed5i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Reducer:<\/b><span style=\"font-weight: 400;\"> L\u00e0 m\u1ed9t h\u00e0m thu\u1ea7n t\u00fay (pure function) nh\u1eadn v\u00e0o state hi\u1ec7n t\u1ea1i v\u00e0 action, sau \u0111\u00f3 tr\u1ea3 v\u1ec1 state m\u1edbi. Reducer x\u00e1c \u0111\u1ecbnh c\u00e1ch state s\u1ebd thay \u0111\u1ed5i \u0111\u1ec3 \u0111\u00e1p \u1ee9ng m\u1ed9t action c\u1ee5 th\u1ec3.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Tai_sao_nen_su_dung_Redux_React_Native\"><\/span><strong>T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng Redux React Native?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Khi ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng v\u1edbi React Native, vi\u1ec7c qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i tr\u1edf th\u00e0nh m\u1ed9t th\u00e1ch th\u1ee9c l\u1edbn khi \u1ee9ng d\u1ee5ng ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p. Redux gi\u00fap gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch cung c\u1ea5p m\u1ed9t c\u01a1 ch\u1ebf qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i t\u1eadp trung, gi\u00fap vi\u1ec7c theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/p>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng Redux React Native mang l\u1ea1i l\u1ee3i \u00edch:<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>D\u1ec5 d\u00e0ng theo d\u00f5i tr\u1ea1ng th\u00e1i:<\/b><span style=\"font-weight: 400;\"> T\u1ea5t c\u1ea3 tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong m\u1ed9t c\u1eeda h\u00e0ng duy nh\u1ea5t, gi\u00fap d\u1ec5 d\u00e0ng theo d\u00f5i v\u00e0 g\u1ee1 l\u1ed7i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/b><span style=\"font-weight: 400;\"> V\u1edbi Redux, \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng m\u00e0 kh\u00f4ng lo l\u1eafng v\u1ec1 vi\u1ec7c qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u00ednh d\u1ef1 \u0111o\u00e1n:<\/b><span style=\"font-weight: 400;\"> B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Redux, m\u1ecdi thay \u0111\u1ed5i trong \u1ee9ng d\u1ee5ng \u0111\u1ec1u c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c d\u1ef1a tr\u00ean h\u00e0nh \u0111\u1ed9ng v\u00e0 reducer t\u01b0\u01a1ng \u1ee9ng, gi\u00fap gi\u1ea3m thi\u1ec3u l\u1ed7i trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">K\u1ebft h\u1ee3p React Native v\u00e0 Redux kh\u00f4ng ch\u1ec9 gi\u00fap qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i hi\u1ec7u qu\u1ea3 m\u00e0 c\u00f2n mang l\u1ea1i c\u1ea5u tr\u00fac r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec cho c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u1ee9ng d\u1ee5ng tr\u1edf n\u00ean l\u1edbn h\u01a1n v\u00e0 ph\u1ee9c t\u1ea1p h\u01a1n.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_truc_co_ban_cua_Redux\"><\/span><strong>C\u00e1c c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n c\u1ee7a Redux<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>Store: N\u01a1i l\u01b0u tr\u1eef to\u00e0n b\u1ed9 tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng<\/strong><\/h3>\n<p><b>Kh\u00e1i ni\u1ec7m:<\/b><span style=\"font-weight: 400;\"> Store l\u00e0 n\u01a1i l\u01b0u tr\u1eef to\u00e0n b\u1ed9 tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng trong m\u1ed9t \u1ee9ng d\u1ee5ng Redux. M\u1ed7i \u1ee9ng d\u1ee5ng ch\u1ec9 c\u00f3 m\u1ed9t store duy nh\u1ea5t, v\u00e0 store n\u00e0y ch\u1ee9a to\u00e0n b\u1ed9 state c\u1ee7a \u1ee9ng d\u1ee5ng d\u01b0\u1edbi d\u1ea1ng m\u1ed9t c\u00e2y \u0111\u1ed1i t\u01b0\u1ee3ng (object tree).<\/span><\/p>\n<p><b>Vai tr\u00f2:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Qu\u1ea3n l\u00fd state:<\/b><span style=\"font-weight: 400;\"> Store l\u01b0u tr\u1eef tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a \u1ee9ng d\u1ee5ng. M\u1ecdi thay \u0111\u1ed5i v\u1ec1 state \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua store.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cung c\u1ea5p ph\u01b0\u01a1ng th\u1ee9c truy c\u1eadp state:<\/b><span style=\"font-weight: 400;\"> Store cho ph\u00e9p c\u00e1c ph\u1ea7n kh\u00e1c c\u1ee7a \u1ee9ng d\u1ee5ng truy c\u1eadp v\u00e0 \u0111\u1ecdc state hi\u1ec7n t\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cho ph\u00e9p \u0111\u0103ng k\u00fd l\u1eafng nghe state:<\/b><span style=\"font-weight: 400;\"> Store cho ph\u00e9p c\u00e1c th\u00e0nh ph\u1ea7n trong \u1ee9ng d\u1ee5ng \u0111\u0103ng k\u00fd l\u1eafng nghe c\u00e1c thay \u0111\u1ed5i c\u1ee7a state \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u1eadp nh\u1eadt giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c c\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u00e1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>X\u1eed l\u00fd c\u00e1c action:<\/b><span style=\"font-weight: 400;\"> Khi m\u1ed9t action \u0111\u01b0\u1ee3c dispatch, store s\u1ebd chuy\u1ec3n action \u0111\u00f3 \u0111\u1ebfn reducer \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 c\u1eadp nh\u1eadt state.<\/span><\/li>\n<\/ul>\n<h3><strong>Action: C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng m\u00f4 t\u1ea3 nh\u1eefng g\u00ec \u0111\u00e3 x\u1ea3y ra<\/strong><\/h3>\n<p><b>Kh\u00e1i ni\u1ec7m:<\/b><span style=\"font-weight: 400;\"> Action l\u00e0 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript m\u00f4 t\u1ea3 m\u1ed9t s\u1ef1 ki\u1ec7n ho\u1eb7c m\u1ed9t h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 x\u1ea3y ra trong \u1ee9ng d\u1ee5ng. M\u1ed7i action b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 m\u1ed9t thu\u1ed9c t\u00ednh <\/span><span style=\"font-weight: 400;\">type<\/span><span style=\"font-weight: 400;\">, th\u01b0\u1eddng l\u00e0 m\u1ed9t chu\u1ed7i (string) x\u00e1c \u0111\u1ecbnh lo\u1ea1i h\u00e0nh \u0111\u1ed9ng, v\u00e0 c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c d\u1eef li\u1ec7u b\u1ed5 sung kh\u00e1c c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n thay \u0111\u1ed5i state.<\/span><\/p>\n<p><b>Vai tr\u00f2:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>M\u00f4 t\u1ea3 s\u1ef1 thay \u0111\u1ed5i:<\/b><span style=\"font-weight: 400;\"> Action kh\u00f4ng th\u1ef1c hi\u1ec7n thay \u0111\u1ed5i state tr\u1ef1c ti\u1ebfp m\u00e0 ch\u1ec9 m\u00f4 t\u1ea3 c\u00e1c thay \u0111\u1ed5i c\u1ea7n th\u1ef1c hi\u1ec7n. V\u00ed d\u1ee5, m\u1ed9t action c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 vi\u1ec7c th\u00eam m\u1ed9t s\u1ea3n ph\u1ea9m v\u00e0o gi\u1ecf h\u00e0ng ho\u1eb7c c\u1eadp nh\u1eadt th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ed9c l\u1eadp v\u00e0 r\u00f5 r\u00e0ng:<\/b><span style=\"font-weight: 400;\"> M\u1ed7i action l\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01a1n gi\u1ea3n v\u00e0 thu\u1ea7n t\u00fay, gi\u00fap vi\u1ec7c theo d\u00f5i v\u00e0 g\u1ee1 l\u1ed7i c\u00e1c thay \u0111\u1ed5i trong \u1ee9ng d\u1ee5ng tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 v\u1ec1 Action:<\/span><\/p>\n<pre>{\r\n  type: 'ADD_TODO',\r\n  payload: {\r\n    id: 1,\r\n    text: 'Learn Redux'\r\n  }\r\n}<\/pre>\n<p><span style=\"font-weight: 400;\">Trong v\u00ed d\u1ee5 n\u00e0y, action m\u00f4 t\u1ea3 vi\u1ec7c th\u00eam m\u1ed9t nhi\u1ec7m v\u1ee5 m\u1edbi l\u00e0 &#8220;Learn Redux&#8221; v\u00e0o danh s\u00e1ch c\u00f4ng vi\u1ec7c c\u1ea7n l\u00e0m.<\/span><\/p>\n<h3><strong>Reducer: C\u00e1c h\u00e0m thu\u1ea7n t\u00fay c\u1eadp nh\u1eadt state d\u1ef1a tr\u00ean action<\/strong><\/h3>\n<p><b>Kh\u00e1i ni\u1ec7m:<\/b><span style=\"font-weight: 400;\"> Reducer l\u00e0 c\u00e1c h\u00e0m thu\u1ea7n t\u00fay (pure function) nh\u1eadn v\u00e0o state hi\u1ec7n t\u1ea1i v\u00e0 action, sau \u0111\u00f3 tr\u1ea3 v\u1ec1 m\u1ed9t state m\u1edbi \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt d\u1ef1a tr\u00ean action \u0111\u00f3. Reducer kh\u00f4ng thay \u0111\u1ed5i tr\u1ef1c ti\u1ebfp state c\u0169 m\u00e0 t\u1ea1o ra m\u1ed9t b\u1ea3n sao m\u1edbi c\u1ee7a state v\u1edbi c\u00e1c thay \u0111\u1ed5i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/span><\/p>\n<p><b>Vai tr\u00f2:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u1eadp nh\u1eadt state:<\/b><span style=\"font-weight: 400;\"> Reducer ch\u1ecbu tr\u00e1ch nhi\u1ec7m x\u00e1c \u0111\u1ecbnh c\u00e1ch state s\u1ebd thay \u0111\u1ed5i \u0111\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi m\u1ed9t action. M\u1ed7i lo\u1ea1i action s\u1ebd \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi m\u1ed9t reducer t\u01b0\u01a1ng \u1ee9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gi\u1eef nguy\u00ean t\u00ednh ch\u1ea5t c\u1ee7a h\u00e0m thu\u1ea7n t\u00fay:<\/b><span style=\"font-weight: 400;\"> Reducer lu\u00f4n tr\u1ea3 v\u1ec1 m\u1ed9t state m\u1edbi m\u00e0 kh\u00f4ng thay \u0111\u1ed5i tr\u1ef1c ti\u1ebfp state c\u0169 v\u00e0 kh\u00f4ng g\u00e2y ra t\u00e1c d\u1ee5ng ph\u1ee5 n\u00e0o (side effects).<\/span><\/li>\n<\/ul>\n<p><b>V\u00ed d\u1ee5 v\u1ec1 m\u1ed9t reducer:<\/b><\/p>\n<pre>function todoReducer(state = [], action) {\r\n  switch (action.type) {\r\n    case 'ADD_TODO':\r\n      return [...state, action.payload];\r\n    case 'REMOVE_TODO':\r\n      return state.filter(todo =&gt; todo.id !== action.payload.id);\r\n    default:\r\n      return state;\r\n  }\r\n}<\/pre>\n<p><span style=\"font-weight: 400;\">Trong v\u00ed d\u1ee5 tr\u00ean, reducer <\/span><span style=\"font-weight: 400;\">todoReducer<\/span><span style=\"font-weight: 400;\"> c\u1eadp nh\u1eadt danh s\u00e1ch c\u00f4ng vi\u1ec7c c\u1ea7n l\u00e0m d\u1ef1a tr\u00ean c\u00e1c action <\/span><span style=\"font-weight: 400;\">ADD_TODO<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">REMOVE_TODO<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><strong>Dispatch: H\u00e0m \u0111\u1ec3 g\u1eedi action \u0111\u1ebfn store<\/strong><\/h3>\n<p><b>Kh\u00e1i ni\u1ec7m:<\/b><span style=\"font-weight: 400;\"> Dispatch l\u00e0 m\u1ed9t h\u00e0m c\u00f3 s\u1eb5n trong store, cho ph\u00e9p b\u1ea1n g\u1eedi (dispatch) m\u1ed9t action \u0111\u1ebfn store \u0111\u1ec3 y\u00eau c\u1ea7u th\u1ef1c hi\u1ec7n thay \u0111\u1ed5i state.<\/span><\/p>\n<p><b>Vai tr\u00f2:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u1edfi t\u1ea1o quy tr\u00ecnh c\u1eadp nh\u1eadt state:<\/b><span style=\"font-weight: 400;\"> Khi m\u1ed9t action \u0111\u01b0\u1ee3c dispatch, store s\u1ebd truy\u1ec1n action \u0111\u00f3 \u0111\u1ebfn c\u00e1c reducer \u0111\u1ec3 x\u1eed l\u00fd. Reducer s\u1ebd quy\u1ebft \u0111\u1ecbnh c\u00e1ch c\u1eadp nh\u1eadt state d\u1ef1a tr\u00ean action nh\u1eadn \u0111\u01b0\u1ee3c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Giao ti\u1ebfp v\u1edbi store:<\/b><span style=\"font-weight: 400;\"> Dispatch l\u00e0 c\u00e1ch duy nh\u1ea5t \u0111\u1ec3 g\u1eedi action \u0111\u1ebfn store. B\u1eb1ng c\u00e1ch n\u00e0y, b\u1ea1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi thay \u0111\u1ed5i trong state \u0111\u1ec1u \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd v\u00e0 x\u1eed l\u00fd th\u00f4ng qua quy tr\u00ecnh ch\u00ednh th\u1ee9c c\u1ee7a Redux.<\/span><\/li>\n<\/ul>\n<p><b>V\u00ed d\u1ee5 v\u1ec1 dispatch m\u1ed9t action:<\/b><\/p>\n<pre>store.dispatch({\r\n  type: 'ADD_TODO',\r\n  payload: {\r\n    id: 1,\r\n    text: 'Learn Redux'\r\n  }\r\n});<\/pre>\n<p><span style=\"font-weight: 400;\">Trong v\u00ed d\u1ee5 tr\u00ean, action <\/span><span style=\"font-weight: 400;\">ADD_TODO<\/span><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn store b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m <\/span><span style=\"font-weight: 400;\">dispatch<\/span><span style=\"font-weight: 400;\">. Store sau \u0111\u00f3 s\u1ebd chuy\u1ec3n action n\u00e0y \u0111\u1ebfn reducer \u0111\u1ec3 c\u1eadp nh\u1eadt state.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">K\u1ebft h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean, Redux cung c\u1ea5p m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn r\u00f5 r\u00e0ng v\u00e0 c\u00f3 t\u1ed5 ch\u1ee9c \u0111\u1ec3 qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng, gi\u00fap duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 d\u1ec5 d\u1ef1 \u0111o\u00e1n trong c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tich_hop_Redux_vao_React_Native\"><\/span><strong>T\u00edch h\u1ee3p Redux v\u00e0o React Native<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Redux l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i m\u1ea1nh m\u1ebd, ph\u1ed5 bi\u1ebfn trong vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng React Native. Vi\u1ec7c t\u00edch h\u1ee3p Redux v\u00e0o React Native gi\u00fap qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 d\u1ec5 d\u00e0ng h\u01a1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00e1ch t\u00edch h\u1ee3p Redux v\u00e0o m\u1ed9t d\u1ef1 \u00e1n React Native.<\/span><\/p>\n<h3><strong>C\u00e0i \u0111\u1eb7t: C\u00e1c th\u01b0 vi\u1ec7n c\u1ea7n thi\u1ebft<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 s\u1eed d\u1ee5ng Redux trong React Native, b\u1ea1n c\u1ea7n c\u00e0i \u0111\u1eb7t c\u00e1c th\u01b0 vi\u1ec7n sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>redux<\/b><span style=\"font-weight: 400;\">: Th\u01b0 vi\u1ec7n ch\u00ednh c\u1ee7a Redux, gi\u00fap qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i to\u00e0n c\u1ee5c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>react-redux<\/b><span style=\"font-weight: 400;\">: Th\u01b0 vi\u1ec7n k\u1ebft n\u1ed1i Redux v\u1edbi React, cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <\/span><span style=\"font-weight: 400;\">Provider<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">connect<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t c\u00e1c th\u01b0 vi\u1ec7n n\u00e0y th\u00f4ng qua npm ho\u1eb7c yarn:<\/span><\/p>\n<pre>npm install redux react-redux<\/pre>\n<p><span style=\"font-weight: 400;\">ho\u1eb7c:<\/span><\/p>\n<pre>yarn add redux react-redux<\/pre>\n<h3><strong>C\u1ea5u tr\u00fac d\u1ef1 \u00e1n<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Khi s\u1eed d\u1ee5ng Redux trong React Native, t\u1ed5 ch\u1ee9c c\u00e1c file v\u00e0 th\u01b0 m\u1ee5c m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 m\u1edf r\u1ed9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac d\u1ef1 \u00e1n ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-78658\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/09\/redux-react-native-cau-truc-vippro.jpg\" alt=\"redux react native - c\u1ea5u tr\u00fac d\u1ef1 \u00e1n\" width=\"718\" height=\"440\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/09\/redux-react-native-cau-truc-vippro.jpg 718w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/09\/redux-react-native-cau-truc-vippro-300x184.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/09\/redux-react-native-cau-truc-vippro-700x429.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/09\/redux-react-native-cau-truc-vippro-200x123.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/09\/redux-react-native-cau-truc-vippro-100x61.jpg 100w\" sizes=\"auto, (max-width: 718px) 100vw, 718px\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>actions\/<\/b><span style=\"font-weight: 400;\">: Ch\u1ee9a c\u00e1c action creators, n\u01a1i \u0111\u1ecbnh ngh\u0129a c\u00e1c h\u00e0nh \u0111\u1ed9ng (action) m\u00e0 b\u1ea1n mu\u1ed1n th\u1ef1c hi\u1ec7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>reducers\/<\/b><span style=\"font-weight: 400;\">: Ch\u1ee9a c\u00e1c reducers, c\u00e1c h\u00e0m thu\u1ea7n t\u00fay nh\u1eadn state hi\u1ec7n t\u1ea1i v\u00e0 action, sau \u0111\u00f3 tr\u1ea3 v\u1ec1 state m\u1edbi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>store\/<\/b><span style=\"font-weight: 400;\">: Ch\u1ee9a c\u1ea5u h\u00ecnh store c\u1ee7a Redux, n\u01a1i t\u1eadp h\u1ee3p c\u00e1c reducers v\u00e0 middleware (n\u1ebfu c\u00f3).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>components\/<\/b><span style=\"font-weight: 400;\">: Ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi Redux store.<\/span><\/li>\n<\/ul>\n<h3><strong>Provider: Bao b\u1ecdc \u1ee9ng d\u1ee5ng v\u1edbi Provider \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi store<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Provider<\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n t\u1eeb th\u01b0 vi\u1ec7n <\/span><span style=\"font-weight: 400;\">react-redux<\/span><span style=\"font-weight: 400;\">, gi\u00fap k\u1ebft n\u1ed1i Redux store v\u1edbi to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng React Native.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc ti\u00ean, b\u1ea1n c\u1ea7n t\u1ea1o store v\u00e0 k\u1ebft h\u1ee3p c\u00e1c reducers trong file <\/span><span style=\"font-weight: 400;\">store\/index.js<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<pre>import { createStore } from 'redux';\r\nimport rootReducer from '..\/reducers';\r\n\r\nconst store = createStore (rootReducer);\r\n\r\nexport default store;<\/pre>\n<p><span style=\"font-weight: 400;\">Sau \u0111\u00f3, trong <\/span><span style=\"font-weight: 400;\">App.js<\/span><span style=\"font-weight: 400;\">, b\u1ea1n bao b\u1ecdc \u1ee9ng d\u1ee5ng v\u1edbi <\/span><span style=\"font-weight: 400;\">Provider<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<pre>import React from 'react';\r\nimport { Provider } from 'react-redux';\r\nimport store from '.\/store';\r\nimport MyComponent from '.\/components\/MyComponent';\r\n\r\nconst App = () =&gt; {\r\n  return (\r\n    &lt;Provider store={store}&gt;\r\n      &lt;MyComponent \/&gt;\r\n    &lt;\/Provider&gt;\r\n  );\r\n};\r\n\r\nexport default App;<\/pre>\n<h3><strong>Connect: K\u1ebft n\u1ed1i component v\u1edbi store \u0111\u1ec3 l\u1ea5y d\u1eef li\u1ec7u v\u00e0 dispatch action<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 m\u1ed9t component c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o state ho\u1eb7c dispatch action, b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng h\u00e0m <\/span><span style=\"font-weight: 400;\">connect<\/span><span style=\"font-weight: 400;\"> t\u1eeb <\/span><span style=\"font-weight: 400;\">react-redux<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, trong m\u1ed9t component nh\u01b0 <\/span><span style=\"font-weight: 400;\">MyComponent.js<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<pre>import React from 'react';\r\nimport { connect } from 'react-redux';\r\nimport { someAction } from '..\/actions';\r\n\r\nconst MyComponent = ({ myState, dispatch }) =&gt; {\r\n  const handlePress = () =&gt; {\r\n    dispatch(someAction());\r\n  };\r\n\r\n  return (\r\n    &lt;View&gt;\r\n      &lt;Text&gt;{myState}&lt;\/Text&gt;\r\n      &lt;Button title=\"Do Something\" onPress={handlePress} \/&gt;\r\n    &lt;\/View&gt;\r\n  );\r\n},\r\n\r\n\/\/ H\u00e0m n\u00e0y \u00e1nh x\u1ea1 state t\u1eeb Redux store t\u1edbi props c\u1ee7a component\r\nconst mapStateToProps = state =&gt; ({\r\nmyState: state.someReducer.myState,\r\n});\r\n\r\n\/\/ K\u1ebft n\u1ed1i component v\u1edbi store\r\nexport default connect (mapStateToProps) (MyComponent);<\/pre>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>mapStateToProps<\/b><span style=\"font-weight: 400;\">: L\u00e0 h\u00e0m \u00e1nh x\u1ea1 state t\u1eeb Redux store th\u00e0nh props c\u1ee7a component, gi\u00fap component truy c\u1eadp v\u00e0o state.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>dispatch<\/b><span style=\"font-weight: 400;\">: L\u00e0m cho component c\u00f3 th\u1ec3 g\u1eedi c\u00e1c h\u00e0nh \u0111\u1ed9ng (action) t\u1edbi store th\u00f4ng qua <\/span><span style=\"font-weight: 400;\">dispatch<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p><b>K\u1ebft lu\u1eadn<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c t\u00edch h\u1ee3p Redux v\u00e0o React Native kh\u00f4ng ch\u1ec9 gi\u00fap qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 m\u00e0 c\u00f2n gi\u00fap c\u1ea5u tr\u00fac \u1ee9ng d\u1ee5ng r\u00f5 r\u00e0ng, d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n. B\u1eb1ng c\u00e1ch t\u1ed5 ch\u1ee9c d\u1ef1 \u00e1n h\u1ee3p l\u00fd, s\u1eed d\u1ee5ng <\/span><span style=\"font-weight: 400;\">Provider<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">connect<\/span><span style=\"font-weight: 400;\"> \u0111\u00fang c\u00e1ch, b\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng React Native m\u1ea1nh m\u1ebd v\u00e0 d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_khai_niem_quan_trong_khi_lam_viec_voi_Redux_React_Native\"><\/span><strong>C\u00e1c kh\u00e1i ni\u1ec7m quan tr\u1ecdng khi l\u00e0m vi\u1ec7c v\u1edbi Redux React Native<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Khi l\u00e0m vi\u1ec7c v\u1edbi Redux trong React Native, c\u00f3 m\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m v\u00e0 c\u00f4ng c\u1ee5 quan tr\u1ecdng gi\u00fap b\u1ea1n qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 thu\u1eadn ti\u1ec7n h\u01a1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c kh\u00e1i ni\u1ec7m quan tr\u1ecdng v\u00e0 c\u00e1ch ch\u00fang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong d\u1ef1 \u00e1n React Native.<\/span><\/p>\n<h3><strong>Selector: C\u00e1ch ch\u1ecdn m\u1ed9t ph\u1ea7n c\u1ee7a state \u0111\u1ec3 truy\u1ec1n v\u00e0o component<\/strong><\/h3>\n<p><b>Selector<\/b><span style=\"font-weight: 400;\"> l\u00e0 c\u00e1c h\u00e0m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ecdn (ho\u1eb7c tr\u00edch xu\u1ea5t) m\u1ed9t ph\u1ea7n c\u1ee7a state t\u1eeb Redux store \u0111\u1ec3 truy\u1ec1n v\u00e0o component. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c c\u1ee7a component v\u00e0o to\u00e0n b\u1ed9 state v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t b\u1eb1ng c\u00e1ch ch\u1ec9 truy c\u1eadp v\u00e0o nh\u1eefng ph\u1ea7n c\u1ea7n thi\u1ebft c\u1ee7a state.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, gi\u1ea3 s\u1eed b\u1ea1n c\u00f3 m\u1ed9t state trong Redux store nh\u01b0 sau:<\/span><\/p>\n<pre>const initialState = {\r\n  user: {\r\n    name: 'John Doe',\r\n    age: 30,\r\n    email: 'john.doe@example.com',\r\n  },\r\n  posts: [],\r\n};<\/pre>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t selector \u0111\u1ec3 tr\u00edch xu\u1ea5t th\u00f4ng tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">\/\/ selectors.js export const selectUserName = state =&gt; state.user.name;<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">Trong component, b\u1ea1n s\u1eed d\u1ee5ng selector n\u00e0y v\u1edbi <\/span><span style=\"font-weight: 400;\">mapStateToProps<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 l\u1ea5y t\u00ean ng\u01b0\u1eddi d\u00f9ng:<\/span><\/p>\n<pre>import React from 'react';\r\nimport { connect } from 'react-redux';\r\nimport { selectUserName} from '..\/selectors';\r\n\r\nconst UserProfile = ({ userName }) =&gt; {\r\n  return &lt;Text&gt;{userName}&lt;\/Text&gt;;\r\n};\r\n\r\nconst mapStateToProps = state =&gt; ({\r\n  userName: selectUserName(state),\r\n});\r\n\r\nexport default connect (mapStateToProps) (UserProfile);<\/pre>\n<h3><strong>Thunk: C\u00e1c h\u00e0m async \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 ph\u1ee5 tr\u1ee3 (v\u00ed d\u1ee5: g\u1ecdi API)<\/strong><\/h3>\n<p><b>Thunk<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t middleware cho ph\u00e9p b\u1ea1n vi\u1ebft c\u00e1c action creators tr\u1ea3 v\u1ec1 m\u1ed9t h\u00e0m thay v\u00ec m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng. H\u00e0m n\u00e0y c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 nh\u01b0 g\u1ecdi API, sau \u0111\u00f3 dispatch c\u00e1c action kh\u00e1c d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t <\/span><span style=\"font-weight: 400;\">redux-thunk<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">npm install redux-thunk<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 v\u1ec1 m\u1ed9t thunk action \u0111\u1ec3 l\u1ea5y d\u1eef li\u1ec7u t\u1eeb API:<\/span><\/p>\n<pre>\/\/ actions.js\r\nexport const fetchUserData = () =&gt; {\r\n  return async dispatch =&gt; {\r\n    dispatch({ type: 'FETCH_USER_REQUEST' });\r\n\r\n    try {\r\n      const response = await fetch('https:\/\/api.example.com\/user');\r\n      const data = await response.json();\r\n      dispatch({ type: 'FETCH_USER_SUCCESS', payload: data });\r\n    } catch (error) {\r\n      dispatch({ type: 'FETCH_USER_FAILURE', error });\r\n    }\r\n  };\r\n};<\/pre>\n<p><span style=\"font-weight: 400;\">Sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thunk action n\u00e0y trong component \u0111\u1ec3 g\u1ecdi API v\u00e0 c\u1eadp nh\u1eadt state:<\/span><\/p>\n<pre>import React, { useEffect } from 'react';\r\nimport { connect } from 'react-redux';\r\nimport { fetchUserData } from '..\/actions';\r\n\r\nconst UserProfile = ({ fetchUserData, user, loading, error }) =&gt; {\r\n  useEffect(() =&gt; {\r\n    fetchUserData();\r\n  }, [fetchUserData]);\r\n\r\n  if (loading) return &lt;Text&gt;Loading...&lt;\/Text&gt;;\r\n  if (error) return &lt;Text&gt;Error: {error.message}&lt;\/Text&gt;;\r\n\r\n  return &lt;Text&gt;{user.name}&lt;\/Text&gt;;\r\n},\r\n\r\nconst mapStateToProps = state =&gt; ({\r\n  user: state.user.data,\r\n  loading: state.user.loading,\r\n  error: state.user.error,\r\n});\r\n\r\nexport default connect (mapStateToProps, {fetchUserData }) (UserProfile);<\/pre>\n<h3><strong>Middleware: M\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng c\u1ee7a Redux<\/strong><\/h3>\n<p><b>Middleware<\/b><span style=\"font-weight: 400;\"> trong Redux l\u00e0 c\u00e1c h\u00e0m cho ph\u00e9p b\u1ea1n can thi\u1ec7p v\u00e0o qu\u00e1 tr\u00ecnh dispatch action v\u00e0 tr\u01b0\u1edbc khi reducer x\u1eed l\u00fd ch\u00fang. Middleware gi\u00fap m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng c\u1ee7a Redux, ch\u1eb3ng h\u1ea1n nh\u01b0 logging c\u00e1c h\u00e0nh \u0111\u1ed9ng, x\u1eed l\u00fd c\u00e1c promise, hay qu\u1ea3n l\u00fd c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 middleware ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Logger Middleware<\/b><span style=\"font-weight: 400;\">: Ghi log m\u1ecdi action \u0111\u01b0\u1ee3c dispatch v\u00e0 state sau khi action \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Thunk Middleware<\/b><span style=\"font-weight: 400;\">: Cho ph\u00e9p dispatch c\u00e1c h\u00e0m (thay v\u00ec ch\u1ec9 l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng) \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Promise Middleware<\/b><span style=\"font-weight: 400;\">: Gi\u00fap x\u1eed l\u00fd c\u00e1c promise trong Redux, cho ph\u00e9p dispatch c\u00e1c promise v\u00e0 t\u1ef1 \u0111\u1ed9ng x\u1eed l\u00fd k\u1ebft qu\u1ea3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, c\u00e0i \u0111\u1eb7t middleware <\/span><span style=\"font-weight: 400;\">redux-logger<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">npm install redux-logger<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh middleware trong Redux store:<\/span><\/p>\n<pre>import {createStore, applyMiddleware } from 'redux';\r\nimport thunk from 'redux-thunk';\r\nimport logger from 'redux-logger';\r\nimport rootReducer from '.\/reducers';\r\n\r\nconst store = createStore (rootReducer, applyMiddleware (thunk, logger));\r\n\r\nexport default store;<\/pre>\n<h3><strong>Redux Toolkit: Gi\u1edbi thi\u1ec7u v\u00e0 c\u00e1ch n\u00f3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c l\u00e0m vi\u1ec7c v\u1edbi Redux<\/strong><\/h3>\n<p><b>Redux Toolkit<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 ch\u00ednh th\u1ee9c c\u1ee7a Redux, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c v\u1edbi Redux b\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c ti\u1ec7n \u00edch t\u00edch h\u1ee3p s\u1eb5n \u0111\u1ec3 thi\u1ebft l\u1eadp store, t\u1ea1o reducers, v\u00e0 qu\u1ea3n l\u00fd c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t Redux Toolkit:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">npm install @reduxjs\/toolkit<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">V\u1edbi Redux Toolkit, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u1ea1o store v\u00e0 reducers m\u00e0 kh\u00f4ng c\u1ea7n vi\u1ebft qu\u00e1 nhi\u1ec1u boilerplate code:<\/span><\/p>\n<pre>import { configureStore, createSlice } from '@reduxjs\/toolkit';\r\n\r\n\/\/ T\u1ea1o slice, t\u1ef1 \u0111\u1ed9ng t\u1ea1o action creators v\u00e0 reducers\r\nconst userSlice = createSlice({\r\n  name: 'user',\r\n  initialState: { name: ', age: 0 },\r\n  reducers: {\r\n    setName(state, action) {\r\n      state.name = action.payload;\r\n    },\r\n    setAge(state, action) {\r\n      state.age = action.payload;\r\n    },\r\n  },\r\n});\r\n\r\nexport const { setName, setAge } = userSlice.actions;\r\n\r\nconst store = configureStore({\r\n  reducer: {\r\n    user: userSlice.reducer,\r\n  },\r\n});\r\n\r\nexport default store;<\/pre>\n<p><b>\u01afu \u0111i\u1ec3m c\u1ee7a Redux Toolkit:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gi\u1ea3m thi\u1ec3u boilerplate code<\/b><span style=\"font-weight: 400;\">: C\u00e1c API c\u1ee7a Redux Toolkit gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 l\u01b0\u1ee3ng m\u00e3 c\u1ea7n vi\u1ebft.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u1ed7 tr\u1ee3 t\u1ed1t h\u01a1n cho c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/b><span style=\"font-weight: 400;\">: Redux Toolkit \u0111i k\u00e8m v\u1edbi <\/span><span style=\"font-weight: 400;\">createAsyncThunk<\/span><span style=\"font-weight: 400;\">, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c vi\u1ebft c\u00e1c thunk actions.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u00edch h\u1ee3p s\u1eb5n c\u00e1c middleware<\/b><span style=\"font-weight: 400;\">: Redux Toolkit t\u1ef1 \u0111\u1ed9ng t\u00edch h\u1ee3p thunk v\u00e0 c\u00e1c middleware kh\u00e1c gi\u00fap d\u1ec5 d\u00e0ng h\u01a1n trong vi\u1ec7c ph\u00e1t tri\u1ec3n.<\/span><\/li>\n<\/ul>\n<p><b>T\u00f3m l\u1ea1i<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Khi l\u00e0m vi\u1ec7c v\u1edbi Redux trong React Native, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c kh\u00e1i ni\u1ec7m nh\u01b0 Selector, Thunk, Middleware, v\u00e0 s\u1eed d\u1ee5ng Redux Toolkit c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 d\u1ec5 d\u00e0ng h\u01a1n. Redux Toolkit \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong vi\u1ec7c \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh ph\u00e1t tri\u1ec3n v\u00e0 gi\u1ea3m thi\u1ec3u l\u1ed7i.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Vi_du_thuc_te_ve_cach_su_dung_Redux_React_Native\"><\/span><strong>V\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng Redux React Native<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>X\u00e2y d\u1ef1ng m\u1ed9t \u1ee9ng d\u1ee5ng Counter \u0111\u01a1n gi\u1ea3n<\/strong><\/h3>\n<p><b>M\u1ee5c ti\u00eau:<\/b><span style=\"font-weight: 400;\"> T\u1ea1o m\u1ed9t \u1ee9ng d\u1ee5ng React Native \u0111\u01a1n gi\u1ea3n c\u00f3 m\u1ed9t n\u00fat t\u0103ng v\u00e0 gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng.<\/span><\/p>\n<p><b>C\u1ea5u tr\u00fac Redux:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>State:<\/b><span style=\"font-weight: 400;\"> M\u1ed9t s\u1ed1 nguy\u00ean bi\u1ec3u th\u1ecb gi\u00e1 tr\u1ecb hi\u1ec7n t\u1ea1i c\u1ee7a counter.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Actions:<\/b>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">INCREMENT<\/span><span style=\"font-weight: 400;\">: T\u0103ng gi\u00e1 tr\u1ecb counter l\u00ean 1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">DECREMENT<\/span><span style=\"font-weight: 400;\">: Gi\u1ea3m gi\u00e1 tr\u1ecb counter xu\u1ed1ng 1.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Reducer:<\/b><span style=\"font-weight: 400;\"> C\u1eadp nh\u1eadt state d\u1ef1a tr\u00ean c\u00e1c action.<\/span><\/li>\n<\/ul>\n<p><b>Code v\u00ed d\u1ee5:<\/b><\/p>\n<pre>\/\/actions\/counter Actions.js\r\nexport const increment = () =&gt; ({ type: 'INCREMENT' });\r\nexport const decrement = () =&gt; ({ type: 'DECREMENT' });\r\n\r\n\/\/ reducers\/counter Reducer.js\r\nconst initialState = 0;\r\nexport default function counter Reducer (state initialState, action) {\r\n  switch (action.type) {\r\n    case 'INCREMENT':\r\n      return state + 1;\r\n    case 'DECREMENT':\r\n      return state - 1;\r\n    default:\r\n      return state;\r\n  }\r\n}\r\n\r\n\/\/ components\/Counter.js\r\nimport React, { useState } from 'react';\r\nimport { useDispatch, useSelector } from 'react-redux';\r\nimport { increment, decrement } from '..\/actions\/counter Actions';\r\n\r\nconst Counter = () =&gt; {\r\n  const count = useSelector (state =&gt; state.counter);\r\n  const dispatch = useDispatch();\r\n\r\n  return (\r\n    &lt;View&gt;\r\n      &lt;Text&gt;Count: {count}&lt;\/Text&gt;\r\n      &lt;Button title=\"Increment\" onPress={() =&gt; dispatch(increment())} \/;\r\n      &lt;Button title=\"Decrement\" onPress={() =&gt; dispatch(decrement())} \/;\r\n    &lt;\/View&gt;\r\n  );\r\n};<\/pre>\n<h3><strong>Qu\u1ea3n l\u00fd danh s\u00e1ch s\u1ea3n ph\u1ea9m v\u00e0 gi\u1ecf h\u00e0ng<\/strong><\/h3>\n<p><b>M\u1ee5c ti\u00eau:<\/b><span style=\"font-weight: 400;\"> T\u1ea1o m\u1ed9t \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed \u0111\u01a1n gi\u1ea3n, qu\u1ea3n l\u00fd danh s\u00e1ch s\u1ea3n ph\u1ea9m v\u00e0 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng th\u00eam s\u1ea3n ph\u1ea9m v\u00e0o gi\u1ecf h\u00e0ng.<\/span><\/p>\n<p><b>C\u1ea5u tr\u00fac Redux:<\/b><\/p>\n<p><b>State:<\/b><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">products<\/span><span style=\"font-weight: 400;\">: M\u1ea3ng ch\u1ee9a danh s\u00e1ch c\u00e1c s\u1ea3n ph\u1ea9m.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">cart<\/span><span style=\"font-weight: 400;\">: M\u1ea3ng ch\u1ee9a c\u00e1c s\u1ea3n ph\u1ea9m trong gi\u1ecf h\u00e0ng.<\/span><\/li>\n<\/ul>\n<p><b>Actions:<\/b><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">FETCH_PRODUCTS<\/span><span style=\"font-weight: 400;\">: L\u1ea5y danh s\u00e1ch s\u1ea3n ph\u1ea9m t\u1eeb server.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">ADD_TO_CART<\/span><span style=\"font-weight: 400;\">: Th\u00eam s\u1ea3n ph\u1ea9m v\u00e0o gi\u1ecf h\u00e0ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">REMOVE_FROM_CART<\/span><span style=\"font-weight: 400;\">: X\u00f3a s\u1ea3n ph\u1ea9m kh\u1ecfi gi\u1ecf h\u00e0ng.<\/span><\/li>\n<\/ul>\n<p><b>Reducer:<\/b><span style=\"font-weight: 400;\"> C\u1eadp nh\u1eadt state d\u1ef1a tr\u00ean c\u00e1c action.<\/span><\/p>\n<p><b>Code v\u00ed d\u1ee5 (\u0111\u01a1n gi\u1ea3n h\u00f3a):<\/b><\/p>\n<pre><span style=\"font-weight: 400;\">\/\/ reducers\/productReducer.js<\/span>\r\n<span style=\"font-weight: 400;\">\/\/ actions\/cartActions.js<\/span>\r\n<span style=\"font-weight: 400;\">export const addToCart = (product) =&gt; ({ type: 'ADD_TO_CART', payload: product });<\/span>\r\n<span style=\"font-weight: 400;\">\/\/ reducers\/cartReducer.js<\/span>\r\n<span style=\"font-weight: 400;\">const initialState = [];<\/span>\r\n<span style=\"font-weight: 400;\">export default function cartReducer(state = initialState, action) {<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0switch (action.type) {<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0case 'ADD_TO_CART':<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\u00a0\u00a0return [...state, action.payload];<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\/\/ ...<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0default:<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\u00a0\u00a0return state;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0}<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h3><strong>T\u01b0\u01a1ng t\u00e1c v\u1edbi API<\/strong><\/h3>\n<p><b>M\u1ee5c ti\u00eau: <\/b>L\u1ea5y danh s\u00e1ch s\u1ea3n ph\u1ea9m t\u1eeb m\u1ed9t API v\u00e0 c\u1eadp nh\u1eadt state.<\/p>\n<p><b>S\u1eed d\u1ee5ng middleware: <\/b>Redux Thunk ho\u1eb7c Redux Saga \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 nh\u01b0 g\u1ecdi API.<\/p>\n<pre>\/\/ actions\/productActions.js\r\nimport { fetchProducts } from '..\/api';\r\n\r\nexport const fetchProducts = () =&gt; {\r\n  return async dispatch =&gt; {\r\n    const response = await fetchProducts();\r\n    dispatch({ type: 'FETCH_PRODUCTS_SUCCESS', payload: response.data });\r\n  };\r\n};<\/pre>\n<p><b>L\u01b0u \u00fd:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Async\/await:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng async\/await \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u API m\u1ed9t c\u00e1ch d\u1ec5 hi\u1ec3u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Middleware:<\/b><span style=\"font-weight: 400;\"> Redux Thunk gi\u00fap ch\u00fang ta vi\u1ebft c\u00e1c action creator tr\u1ea3 v\u1ec1 m\u1ed9t function ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t object \u0111\u01a1n thu\u1ea7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Error handling:<\/b><span style=\"font-weight: 400;\"> X\u1eed l\u00fd c\u00e1c l\u1ed7i khi g\u1ecdi API.<\/span><\/li>\n<\/ul>\n<p><b>C\u00e1c kh\u00e1i ni\u1ec7m kh\u00e1c c\u1ea7n l\u01b0u \u00fd:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Selectors:<\/b><span style=\"font-weight: 400;\"> Ch\u1ecdn m\u1ed9t ph\u1ea7n c\u1ee7a state \u0111\u1ec3 truy\u1ec1n v\u00e0o component.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Normalizing state:<\/b><span style=\"font-weight: 400;\"> C\u1ea5u tr\u00fac l\u1ea1i state \u0111\u1ec3 tr\u00e1nh tr\u00f9ng l\u1eb7p d\u1eef li\u1ec7u v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Performance optimization:<\/b><span style=\"font-weight: 400;\"> T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t khi l\u00e0m vi\u1ec7c v\u1edbi Redux, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng l\u1edbn.<\/span><\/li>\n<\/ul>\n<p><b>T\u00f3m l\u1ea1i:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Redux cung c\u1ea5p m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn m\u1ea1nh m\u1ebd v\u00e0 linh ho\u1ea1t \u0111\u1ec3 qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i trong c\u00e1c \u1ee9ng d\u1ee5ng React Native. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u00e0 \u00e1p d\u1ee5ng v\u00e0o c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf, b\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng React Native ph\u1ee9c t\u1ea1p v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_van_de_thuong_gap_va_cach_giai_quyet_khi_su_dung_Redux_React_Native\"><\/span><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft khi s\u1eed d\u1ee5ng Redux React Native<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>Performance (Hi\u1ec7u n\u0103ng)<\/strong><\/h3>\n<p>C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u1ec1 hi\u1ec7u n\u0103ng:<\/p>\n<ul>\n<li><b>Re-renders kh\u00f4ng c\u1ea7n thi\u1ebft:<\/b><span style=\"font-weight: 400;\"> Khi state thay \u0111\u1ed5i, t\u1ea5t c\u1ea3 c\u00e1c component k\u1ebft n\u1ed1i v\u1edbi store \u0111\u1ec1u \u0111\u01b0\u1ee3c re-render, d\u00f9 c\u00f3 c\u1ea7n thi\u1ebft hay kh\u00f4ng.<\/span><\/li>\n<li><b>Selectors k\u00e9m hi\u1ec7u qu\u1ea3:<\/b><span style=\"font-weight: 400;\"> Vi\u1ec7c t\u1ea1o selectors ph\u1ee9c t\u1ea1p ho\u1eb7c l\u1ed3ng nhau qu\u00e1 s\u00e2u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u n\u0103ng.<\/span><\/li>\n<li><b>Middleware:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u middleware ho\u1eb7c middleware kh\u00f4ng hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<\/ul>\n<p>Gi\u1ea3i ph\u00e1p g\u1ee3i \u00fd:<\/p>\n<ul>\n<li><b>S\u1eed d\u1ee5ng <\/b><b>useMemo<\/b><b> v\u00e0 <\/b><b>useCallback<\/b><b>:<\/b><span style=\"font-weight: 400;\"> \u0110\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c re-render kh\u00f4ng c\u1ea7n thi\u1ebft cho c\u00e1c component.<\/span><\/li>\n<li><b>T\u1ea1o c\u00e1c selectors hi\u1ec7u qu\u1ea3:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n nh\u01b0 <\/span><span style=\"font-weight: 400;\">reselect<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 t\u1ea1o c\u00e1c selectors memoized.<\/span><\/li>\n<li><b>Gi\u1ea3m thi\u1ec3u s\u1ed1 l\u01b0\u1ee3ng middleware:<\/b><span style=\"font-weight: 400;\"> Ch\u1ec9 s\u1eed d\u1ee5ng c\u00e1c middleware th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft.<\/span><\/li>\n<li><b>T\u1ed1i \u01b0u h\u00f3a reducer:<\/b><span style=\"font-weight: 400;\"> Tr\u00e1nh c\u00e1c ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p trong reducer.<\/span><\/li>\n<li><b>S\u1eed d\u1ee5ng Immutable Data:<\/b><span style=\"font-weight: 400;\"> Thay v\u00ec thay \u0111\u1ed5i tr\u1ef1c ti\u1ebfp state, h\u00e3y t\u1ea1o m\u1ed9t b\u1ea3n sao m\u1edbi c\u1ee7a state v\u00e0 c\u1eadp nh\u1eadt c\u00e1c ph\u1ea7n t\u1eed c\u1ea7n thi\u1ebft.<\/span><\/li>\n<\/ul>\n<h3><strong>Debugging (G\u1ee1 l\u1ed7i)<\/strong><\/h3>\n<p>C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p khi g\u1ee1 l\u1ed7i:<\/p>\n<ul>\n<li><b>Kh\u00f3 theo d\u00f5i lu\u1ed3ng d\u1eef li\u1ec7u:<\/b><span style=\"font-weight: 400;\"> Khi \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p, vi\u1ec7c theo d\u00f5i s\u1ef1 thay \u0111\u1ed5i c\u1ee7a state v\u00e0 c\u00e1c action tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/span><\/li>\n<li><b>Kh\u00f3 t\u00ecm l\u1ed7i:<\/b><span style=\"font-weight: 400;\"> C\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn Redux th\u01b0\u1eddng kh\u00f3 ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda ch\u1eefa.<\/span><\/li>\n<\/ul>\n<p>Gi\u1ea3i ph\u00e1p g\u1ee3i \u00fd:<\/p>\n<ul>\n<li><b>Redux DevTools:<\/b><span style=\"font-weight: 400;\"> Extension cho tr\u00ecnh duy\u1ec7t gi\u00fap b\u1ea1n:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Xem l\u1ecbch s\u1eed c\u00e1c state v\u00e0 action.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Time travel: Quay l\u1ea1i c\u00e1c tr\u1ea1ng th\u00e1i tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Pause\/resume dispatching: T\u1ea1m d\u1eebng v\u00e0 ti\u1ebfp t\u1ee5c g\u1eedi action.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><b>Logger middleware:<\/b><span style=\"font-weight: 400;\"> In ra console c\u00e1c action v\u00e0 state \u0111\u1ec3 theo d\u00f5i qu\u00e1 tr\u00ecnh thay \u0111\u1ed5i.<\/span><\/li>\n<li><b>Breakpoint:<\/b><span style=\"font-weight: 400;\"> \u0110\u1eb7t breakpoint trong code \u0111\u1ec3 ki\u1ec3m tra gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c bi\u1ebfn t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3.<\/span><\/li>\n<li><b>C\u00f4ng c\u1ee5 ki\u1ec3m tra React Native:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 React Native Debugger \u0111\u1ec3 ki\u1ec3m tra c\u1ea5u tr\u00fac component v\u00e0 props.<\/span><\/li>\n<\/ul>\n<h3><strong>Ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t<\/strong><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gi\u1eef reducer \u0111\u01a1n gi\u1ea3n:<\/b><span style=\"font-weight: 400;\"> M\u1ed7i reducer ch\u1ec9 n\u00ean ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho m\u1ed9t ph\u1ea7n c\u1ee7a state.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng selectors:<\/b><span style=\"font-weight: 400;\"> T\u1ea1o c\u00e1c selectors \u0111\u1ec3 tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb state m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Normalizing state:<\/b><span style=\"font-weight: 400;\"> C\u1ea5u tr\u00fac l\u1ea1i state \u0111\u1ec3 tr\u00e1nh tr\u00f9ng l\u1eb7p d\u1eef li\u1ec7u v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng Immutable Data:<\/b><span style=\"font-weight: 400;\"> Tr\u00e1nh thay \u0111\u1ed5i tr\u1ef1c ti\u1ebfp state.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Vi\u1ebft c\u00e1c test case:<\/b><span style=\"font-weight: 400;\"> \u0110\u1ea3m b\u1ea3o r\u1eb1ng code c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang nh\u01b0 mong \u0111\u1ee3i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Chia nh\u1ecf c\u00e1c action:<\/b><span style=\"font-weight: 400;\"> M\u1ed7i action n\u00ean ch\u1ec9 th\u1ef1c hi\u1ec7n m\u1ed9t nhi\u1ec7m v\u1ee5.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng Redux Toolkit:<\/b><span style=\"font-weight: 400;\"> Th\u01b0 vi\u1ec7n n\u00e0y cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 t\u00ednh n\u0103ng gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c l\u00e0m vi\u1ec7c v\u1edbi Redux.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 minh h\u1ecda: T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng v\u1edbi <\/span><span style=\"font-weight: 400;\">useMemo<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">useCallback<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">import React, { useMemo, useCallback } from 'react';<\/span>\r\n<span style=\"font-weight: 400;\">import { useSelector, useDispatch } from 'react-redux';<\/span>\r\n\r\n<span style=\"font-weight: 400;\">const ExpensiveCalculation = (a, b) =&gt; {<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0\/\/ M\u1ed9t ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p n\u00e0o \u0111\u00f3<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0return a * b;<\/span>\r\n<span style=\"font-weight: 400;\">};<\/span>\r\n\r\n<span style=\"font-weight: 400;\">const MyComponent = () =&gt; {<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0const count = useSelector(state =&gt; state.count);<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0const dispatch = useDispatch();<\/span>\r\n\r\n<span style=\"font-weight: 400;\"> \u00a0const result = useMemo(() =&gt; ExpensiveCalculation(count, 2), [count]);<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0const increment = useCallback(() =&gt; dispatch(incrementCount()), [dispatch]);<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0\u00a0return (<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0&lt;View&gt;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\u00a0\u00a0&lt;Text&gt;Result: {result}&lt;\/Text&gt;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\u00a0\u00a0&lt;Button title=\"Increment\" onPress={increment} \/&gt;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0&lt;\/View&gt;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0);<\/span>\r\n<span style=\"font-weight: 400;\">};<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">Trong v\u00ed d\u1ee5 tr\u00ean:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">useMemo<\/span><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 memoize k\u1ebft qu\u1ea3 c\u1ee7a <\/span><span style=\"font-weight: 400;\">ExpensiveCalculation<\/span><span style=\"font-weight: 400;\">, ch\u1ec9 t\u00ednh to\u00e1n l\u1ea1i khi <\/span><span style=\"font-weight: 400;\">count<\/span><span style=\"font-weight: 400;\"> thay \u0111\u1ed5i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">useCallback<\/span><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 memoize h\u00e0m <\/span><span style=\"font-weight: 400;\">increment<\/span><span style=\"font-weight: 400;\">, \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ea1o m\u1edbi khi <\/span><span style=\"font-weight: 400;\">dispatch<\/span><span style=\"font-weight: 400;\"> thay \u0111\u1ed5i.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"So_sanh_voi_cac_quan_ly_trang_thai_khac\"><\/span><strong>So s\u00e1nh v\u1edbi c\u00e1c qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i kh\u00e1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>Redux vs Context API<\/strong><\/h3>\n<p><a href=\"https:\/\/legacy.reactjs.org\/docs\/context.html\" target=\"_blank\" rel=\"noopener\"><b>Context API<\/b><\/a><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n trong React. N\u00f3 cung c\u1ea5p m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 chia s\u1ebb d\u1eef li\u1ec7u gi\u1eefa c\u00e1c component m\u00e0 kh\u00f4ng c\u1ea7n truy\u1ec1n props qua nhi\u1ec1u l\u1edbp component.<\/span><\/p>\n<p><b>Redux<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i b\u00ean ngo\u00e0i, cung c\u1ea5p m\u1ed9t c\u1ea5u tr\u00fac ch\u1eb7t ch\u1ebd v\u00e0 quy t\u1eafc r\u00f5 r\u00e0ng \u0111\u1ec3 qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>T\u00ednh n\u0103ng<\/b><\/td>\n<td><b>Context API<\/b><\/td>\n<td><b>Redux<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/b><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01a1n gi\u1ea3n h\u01a1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ee9c t\u1ea1p h\u01a1n<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>C\u1ea5u tr\u00fac<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Linh ho\u1ea1t h\u01a1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac ch\u1eb7t ch\u1ebd h\u01a1n<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>H\u1ecdc t\u1eadp<\/b><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ec5 h\u1ecdc h\u01a1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea7n th\u1eddi gian \u0111\u1ec3 l\u00e0m quen<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Hi\u1ec7u su\u1ea5t<\/b><\/td>\n<td><span style=\"font-weight: 400;\">T\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a cao<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>C\u1ed9ng \u0111\u1ed3ng<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1ecf h\u01a1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u1edbn h\u01a1n, nhi\u1ec1u t\u00e0i li\u1ec7u h\u1ed7 tr\u1ee3<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/b><\/td>\n<td><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng nh\u1ecf, \u0111\u01a1n gi\u1ea3n, chia s\u1ebb d\u1eef li\u1ec7u gi\u1eefa c\u00e1c component g\u1ea7n nhau<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng l\u1edbn, ph\u1ee9c t\u1ea1p, c\u1ea7n qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i m\u1ed9t c\u00e1ch t\u1eadp trung<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>\u01afu \u0111i\u1ec3m c\u1ee7a Context API:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 s\u1eed d\u1ee5ng, d\u1ec5 hi\u1ec3u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ecf, \u0111\u01a1n gi\u1ea3n.<\/span><\/li>\n<\/ul>\n<p><b>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Context API:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f3 qu\u1ea3n l\u00fd khi \u1ee9ng d\u1ee5ng tr\u1edf n\u00ean l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f3 ki\u1ec3m so\u00e1t s\u1ef1 thay \u0111\u1ed5i c\u1ee7a state.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ea7n chia s\u1ebb d\u1eef li\u1ec7u gi\u1eefa c\u00e1c component c\u00e1ch xa nhau.<\/span><\/li>\n<\/ul>\n<p><b>\u01afu \u0111i\u1ec3m c\u1ee7a Redux:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac r\u00f5 r\u00e0ng, d\u1ec5 d\u1ef1 \u0111o\u00e1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 ki\u1ec3m th\u1eed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ed9ng \u0111\u1ed3ng l\u1edbn, nhi\u1ec1u t\u00e0i li\u1ec7u h\u1ed7 tr\u1ee3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng l\u1edbn, ph\u1ee9c t\u1ea1p.<\/span><\/li>\n<\/ul>\n<p><b>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Redux:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea7n h\u1ecdc th\u00eam nhi\u1ec1u kh\u00e1i ni\u1ec7m m\u1edbi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 g\u00e2y ra boilerplate code.<\/span><\/li>\n<\/ul>\n<p><b>Khi n\u00e0o n\u00ean ch\u1ecdn Context API:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng nh\u1ecf, \u0111\u01a1n gi\u1ea3n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ec9 c\u1ea7n chia s\u1ebb d\u1eef li\u1ec7u gi\u1eefa m\u1ed9t v\u00e0i component.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f4ng c\u1ea7n m\u1ed9t c\u1ea5u tr\u00fac qu\u1ea3n l\u00fd state ph\u1ee9c t\u1ea1p.<\/span><\/li>\n<\/ul>\n<p><b>Khi n\u00e0o n\u00ean ch\u1ecdn Redux:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng l\u1edbn, ph\u1ee9c t\u1ea1p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea7n qu\u1ea3n l\u00fd nhi\u1ec1u tr\u1ea1ng th\u00e1i kh\u00e1c nhau.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mu\u1ed1n c\u00f3 m\u1ed9t c\u1ea5u tr\u00fac qu\u1ea3n l\u00fd state r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 ki\u1ec3m so\u00e1t.<\/span><\/li>\n<\/ul>\n<h3><strong>Redux vs MobX vs Zustand<\/strong><\/h3>\n<p><b>MobX<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i kh\u00e1c, n\u00f3 s\u1eed d\u1ee5ng m\u1ed9t m\u00f4 h\u00ecnh l\u1eadp tr\u00ecnh ph\u1ea3n \u1ee9ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng c\u1eadp nh\u1eadt UI khi state thay \u0111\u1ed5i.<\/span><\/p>\n<p><b>Zustand<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i nh\u1eb9 nh\u00e0ng h\u01a1n, n\u00f3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd state b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c hook.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>T\u00ednh n\u0103ng<\/b><\/td>\n<td><b>Redux<\/b><\/td>\n<td><b>MobX<\/b><\/td>\n<td><b>Zustand<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>C\u1ea5u tr\u00fac<\/b><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac ch\u1eb7t ch\u1ebd<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Linh ho\u1ea1t h\u01a1n\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t \u0111\u01a1n gi\u1ea3n<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>H\u1ecdc t\u1eadp\u00a0<\/b><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea7n th\u1eddi gian \u0111\u1ec3 l\u00e0m quan\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ec5 h\u1ecdc h\u01a1n\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t d\u1ec5 h\u1ecdc\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Hi\u1ec7u su\u1ea5t<\/b><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u ho\u00e1 cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1t\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1t<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>C\u1ed9ng \u0111\u1ed3ng<\/b><\/td>\n<td><span style=\"font-weight: 400;\">L\u1edbn nh\u1ea5t\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1ecf h\u01a1n Redux\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1ecf h\u01a1n Redux v\u00e0 Mobx<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/mobx.js.org\/\" target=\"_blank\" rel=\"noopener\"><b>MobX<\/b><\/a><span style=\"font-weight: 400;\"> ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi th\u00edch m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn linh ho\u1ea1t h\u01a1n so v\u1edbi Redux. N\u00f3 cho ph\u00e9p b\u1ea1n qu\u1ea3n l\u00fd state m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean h\u01a1n, nh\u01b0ng c\u0169ng \u0111\u00f2i h\u1ecfi b\u1ea1n ph\u1ea3i hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c kh\u00e1i ni\u1ec7m c\u1ee7a n\u00f3.<\/span><\/p>\n<p><a href=\"https:\/\/zustand-demo.pmnd.rs\/\" target=\"_blank\" rel=\"noopener\"><b>Zustand<\/b><\/a><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1t cho nh\u1eefng d\u1ef1 \u00e1n nh\u1ecf ho\u1eb7c nh\u1eefng ng\u01b0\u1eddi mu\u1ed1n m\u1ed9t gi\u1ea3i ph\u00e1p qu\u1ea3n l\u00fd state \u0111\u01a1n gi\u1ea3n v\u00e0 nh\u1eb9 nh\u00e0ng. N\u00f3 cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng c\u01a1 b\u1ea3n \u0111\u1ec3 qu\u1ea3n l\u00fd state m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i h\u1ecdc qu\u00e1 nhi\u1ec1u kh\u00e1i ni\u1ec7m m\u1edbi.<\/span><\/p>\n<p><b>Khi ch\u1ecdn m\u1ed9t th\u01b0 vi\u1ec7n qu\u1ea3n l\u00fd state, b\u1ea1n n\u00ean c\u00e2n nh\u1eafc c\u00e1c y\u1ebfu t\u1ed1 sau:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a \u1ee9ng d\u1ee5ng:<\/b><span style=\"font-weight: 400;\"> \u1ee8ng d\u1ee5ng c\u00e0ng l\u1edbn, c\u00e0ng ph\u1ee9c t\u1ea1p th\u00ec c\u00e0ng c\u1ea7n m\u1ed9t gi\u1ea3i ph\u00e1p qu\u1ea3n l\u00fd state m\u1ea1nh m\u1ebd nh\u01b0 Redux.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>K\u00edch th\u01b0\u1edbc team:<\/b><span style=\"font-weight: 400;\"> N\u1ebfu team c\u1ee7a b\u1ea1n c\u00f3 nhi\u1ec1u th\u00e0nh vi\u00ean, th\u00ec m\u1ed9t c\u1ea5u tr\u00fac qu\u1ea3n l\u00fd state r\u00f5 r\u00e0ng nh\u01b0 Redux s\u1ebd gi\u00fap \u0111\u1ea3m b\u1ea3o s\u1ef1 nh\u1ea5t qu\u00e1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u1ea3 n\u0103ng h\u1ecdc t\u1eadp:<\/b><span style=\"font-weight: 400;\"> N\u1ebfu team c\u1ee7a b\u1ea1n m\u1edbi l\u00e0m quen v\u1edbi React Native, th\u00ec Context API ho\u1eb7c Zustand c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n \u0111\u1ec3 b\u1eaft \u0111\u1ea7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Hi\u1ec7u su\u1ea5t:<\/b><span style=\"font-weight: 400;\"> N\u1ebfu hi\u1ec7u su\u1ea5t l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng, th\u00ec c\u1ea3 Redux, MobX v\u00e0 Zustand \u0111\u1ec1u cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng.<\/span><\/li>\n<\/ul>\n<p><b>T\u00f3m l\u1ea1i:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 m\u1ed9t gi\u1ea3i ph\u00e1p qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i n\u00e0o l\u00e0 t\u1ed1t nh\u1ea5t cho t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p. Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_Redux_React_Native\"><\/span><strong>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Redux React Native<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>Redux l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 quan tr\u1ecdng khi l\u00e0m vi\u1ec7c v\u1edbi React Native?<\/strong><\/h3>\n<p><b>Redux<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n JavaScript gi\u00fap qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n v\u00e0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. Khi k\u1ebft h\u1ee3p v\u1edbi React Native, Redux gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 chia s\u1ebb tr\u1ea1ng th\u00e1i gi\u1eefa c\u00e1c component, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<h3><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00edch h\u1ee3p Redux v\u00e0o d\u1ef1 \u00e1n React Native c\u1ee7a t\u00f4i?<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u00edch h\u1ee3p Redux, b\u1ea1n c\u1ea7n c\u00e0i \u0111\u1eb7t c\u00e1c th\u01b0 vi\u1ec7n c\u1ea7n thi\u1ebft nh\u01b0 <\/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;\">. Sau \u0111\u00f3, c\u1ea5u h\u00ecnh store, bao b\u1ecdc \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n v\u1edbi <\/span><span style=\"font-weight: 400;\">Provider<\/span><span style=\"font-weight: 400;\">, v\u00e0 k\u1ebft n\u1ed1i c\u00e1c component v\u1edbi store th\u00f4ng qua <\/span><span style=\"font-weight: 400;\">connect<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c hook nh\u01b0 <\/span><span style=\"font-weight: 400;\">useSelector<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">useDispatch<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><strong>T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Redux m\u00e0 kh\u00f4ng c\u1ea7n Redux Toolkit kh\u00f4ng?<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Redux m\u00e0 kh\u00f4ng c\u1ea7n Redux Toolkit, nh\u01b0ng Redux Toolkit \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch v\u00ec n\u00f3 gi\u1ea3m thi\u1ec3u boilerplate code v\u00e0 cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd nh\u01b0 <\/span><span style=\"font-weight: 400;\">createSlice<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">createAsyncThunk<\/span><span style=\"font-weight: 400;\">, v\u00e0 <\/span><span style=\"font-weight: 400;\">configureStore<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket_Redux_React_Native\"><\/span><strong>T\u1ed5ng k\u1ebft Redux React Native<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c k\u1ebft h\u1ee3p React Native v\u00e0 Redux mang l\u1ea1i m\u1ed9t gi\u1ea3i ph\u00e1p m\u1ea1nh m\u1ebd cho vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng c\u00f3 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i ph\u1ee9c t\u1ea1p v\u00e0 d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng. React Native cung c\u1ea5p m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n linh ho\u1ea1t, cho ph\u00e9p x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng \u0111a n\u1ec1n t\u1ea3ng t\u1eeb m\u1ed9t c\u01a1 s\u1edf m\u00e3 ngu\u1ed3n duy nh\u1ea5t. Redux, v\u1edbi kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i t\u1eadp trung v\u00e0 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c, gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n ki\u1ec3m so\u00e1t v\u00e0 duy tr\u00ec tr\u1ea1ng th\u00e1i \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, ngay c\u1ea3 trong c\u00e1c d\u1ef1 \u00e1n l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng Redux c\u0169ng \u0111i k\u00e8m v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c nh\u1ea5t \u0111\u1ecbnh, \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3, c\u0169ng nh\u01b0 \u00e1p d\u1ee5ng c\u00e1c best practices \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec c\u1ee7a \u1ee9ng d\u1ee5ng. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc t\u1ed1i \u01b0u h\u00f3a, s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 debugging, v\u00e0 t\u1eadn d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng c\u1ee7a Redux Toolkit, b\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng React Native m\u1ea1nh m\u1ebd, d\u1ec5 m\u1edf r\u1ed9ng v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cu\u1ed1i c\u00f9ng, kh\u00f4ng ph\u1ea3i m\u1ecdi \u1ee9ng d\u1ee5ng \u0111\u1ec1u c\u1ea7n \u0111\u1ebfn Redux, nh\u01b0ng khi \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng y\u00eau c\u1ea7u ph\u1ee9c t\u1ea1p v\u1ec1 qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i, Redux ch\u1eafc ch\u1eafn l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 m\u00e0 b\u1ea1n n\u00ean c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng hi\u1ec7n nay, React Native n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd gi\u00fap x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng \u0111a n\u1ec1n t\u1ea3ng v\u1edbi hi\u1ec7u su\u1ea5t cao. Tuy nhi\u00ean, khi \u1ee9ng d\u1ee5ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p, qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i (state) tr\u1edf th\u00e0nh m\u1ed9t th\u00e1ch th\u1ee9c l\u1edbn. \u0110\u00e2y ch\u00ednh [&hellip;]<\/p>\n","protected":false},"author":203,"featured_media":78903,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-78562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-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>Redux React Native: Chi ti\u1ebft s\u1eed d\u1ee5ng v\u00e0 L\u1ed7i th\u01b0\u1eddng g\u1eb7p - ITviec Blog<\/title>\n<meta name=\"description\" content=\"Redux React Native l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n qu\u1ea3n l\u00fd state \u0111\u01b0\u1ee3c d\u00f9ng trong app React Native. 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