{"id":69518,"date":"2024-05-21T16:12:24","date_gmt":"2024-05-21T09:12:24","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=69518"},"modified":"2024-06-20T17:01:51","modified_gmt":"2024-06-20T10:01:51","slug":"tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau\/","title":{"rendered":"T\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u A-Z trong 9 b\u01b0\u1edbc"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\/tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau\/#Lap_trinh_Android_la_gi\" >L\u1eadp tr\u00ecnh Android 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\/tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau\/#Lo_trinh_tu_hoc_lap_trinh_Android_cho_nguoi_moi_bat_dau\" >L\u1ed9 tr\u00ecnh t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/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\/tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau\/#Cac_buoc_hoc_Android_nang_cao\" >C\u00e1c b\u01b0\u1edbc h\u1ecdc Android n\u00e2ng cao<\/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\/tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau\/#Cac_buoc_len_ke_hoach_tu_hoc_lap_trinh_Android_cho_nguoi_moi_bat_dau\" >C\u00e1c b\u01b0\u1edbc l\u00ean k\u1ebf ho\u1ea1ch t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/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\/tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau\/#Huong_dan_tao_du_an_Android_cho_nguoi_moi_bat_dau\" >H\u01b0\u1edbng d\u1eabn t\u1ea1o d\u1ef1 \u00e1n Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/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\/tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau\/#Cac_cau_hoi_thuong_gap_khi_tu_hoc_lap_trinh_Android_cho_nguoi_moi_bat_dau\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p khi t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/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\/tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau\/#Tong_ket_lo_trinh_tu_hoc_lap_trinh_Android_cho_nguoi_moi_bat_dau\" >T\u1ed5ng k\u1ebft l\u1ed9 tr\u00ecnh\u00a0t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>Trong th\u1eddi \u0111\u1ea1i c\u00f4ng ngh\u1ec7 ng\u00e0y nay, Android, v\u1edbi h\u00e0ng tri\u1ec7u \u1ee9ng d\u1ee5ng \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 s\u1eed d\u1ee5ng, l\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh chi\u1ebfm th\u1ecb ph\u1ea7n l\u1edbn nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng di \u0111\u1ed9ng. Vi\u1ec7c thi\u1ebft k\u1ebf m\u1ed9t l\u1ed9 tr\u00ecnh h\u1ee3p l\u00fd \u0111\u1ec3 t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u kh\u00f4ng ch\u1ec9 m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i ngh\u1ec1 nghi\u1ec7p trong l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m di \u0111\u1ed9ng, m\u00e0 c\u00f2n gi\u00fap ph\u00e1t tri\u1ec3n k\u1ef9 n\u0103ng c\u00e1 nh\u00e2n v\u00e0 hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 c\u00f4ng ngh\u1ec7 di \u0111\u1ed9ng.<\/strong><\/em><\/p>\n<p>B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5:<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh Android l\u00e0 g\u00ec?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1ed9 tr\u00ecnh t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u t\u1eeb c\u01a1 b\u1ea3n cho \u0111\u1ebfn n\u00e2ng cao<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c b\u01b0\u1edbc nhanh nh\u1ea5t \u0111\u1ec3 l\u00ean k\u1ebf ho\u1ea1ch t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android<\/span><\/li>\n<li aria-level=\"1\">C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o d\u1ef1 \u00e1n Android \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Lap_trinh_Android_la_gi\"><\/span><strong>L\u1eadp tr\u00ecnh Android l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh Android l\u00e0 qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng v\u00e0 game cho c\u00e1c thi\u1ebft b\u1ecb ch\u1ea1y h\u1ec7 \u0111i\u1ec1u h\u00e0nh Android. Android l\u00e0 m\u1ed9t h\u1ec7 \u0111i\u1ec1u h\u00e0nh d\u1ef1a tr\u00ean Linux \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Google, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, m\u00e1y t\u00ednh b\u1ea3ng, \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh v\u00e0 nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb di \u0111\u1ed9ng kh\u00e1c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Qu\u00e1 tr\u00ecnh l\u1eadp tr\u00ecnh Android bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh nh\u01b0 Java ho\u1eb7c Kotlin, k\u1ebft h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n nh\u01b0 Android Studio. C\u00e1c \u1ee9ng d\u1ee5ng Android c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n cho c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau, t\u1eeb \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng c\u00e1 nh\u00e2n \u0111\u1ebfn \u1ee9ng d\u1ee5ng doanh nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng gi\u1ea3i tr\u00ed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh Android kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng quan tr\u1ecdng trong th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i, m\u00e0 c\u00f2n m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i ngh\u1ec1 nghi\u1ec7p v\u00e0 s\u00e1ng t\u1ea1o cho nh\u1eefng ng\u01b0\u1eddi tham gia.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Lo_trinh_tu_hoc_lap_trinh_Android_cho_nguoi_moi_bat_dau\"><\/span><b>L\u1ed9 tr\u00ecnh t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u00e0m quen v\u1edbi m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n Android, c\u00f3 nh\u1eefng v\u00f9ng ki\u1ebfn th\u1ee9c tr\u1ecdng \u0111i\u1ec3m c\u1ea7n n\u1eafm v\u1eefng \u0111\u1ec3 t\u1ea1o ti\u1ec1n \u0111\u1ec1 \u0111\u1ec3 \u0111i s\u00e2u h\u01a1n v\u00e0o c\u00e1c v\u00f9ng ki\u1ebfn th\u1ee9c kh\u00e1c, bao g\u1ed3m:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh: Java ho\u1eb7c Kotlin<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft: Android Studio, JDK, SDK<\/span><\/li>\n<li aria-level=\"1\">C\u00e1c ki\u1ebfn th\u1ee9c l\u1eadp tr\u00ecnh Android c\u01a1 b\u1ea3n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOP)<\/span><\/li>\n<\/ol>\n<h3><b>B\u01b0\u1edbc 1: Ch\u1ecdn ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Android: Java hay Kotlin?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00f3 nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 cho vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng mobile tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh Android nh\u01b0 Java, Kotlin, C++, C#, Dart,&#8230; nh\u01b0ng trong ph\u1ea1m vi b\u00e0i bi\u1ebft n\u00e0y ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn hai ng\u00f4n ng\u1eef \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 Java v\u00e0 Kotlin.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Java v\u00e0 Kotlin l\u00e0 hai ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android, chi\u1ebfm \u01b0u th\u1ebf so v\u1edbi c\u00e1c ng\u00f4n ng\u1eef kh\u00e1c nh\u1edd nhi\u1ec1u \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/span><\/p>\n<h4><b> L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n<\/b><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Java: Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh truy\u1ec1n th\u1ed1ng cho Android, ra m\u1eaft t\u1eeb n\u0103m 1995, s\u1edf h\u1eefu c\u1ed9ng \u0111\u1ed3ng r\u1ed9ng l\u1edbn, nhi\u1ec1u t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn v\u00e0 th\u01b0 vi\u1ec7n phong ph\u00fa.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kotlin: Ng\u00f4n ng\u1eef tr\u1ebb h\u01a1n, ra m\u1eaft v\u00e0o n\u0103m 2011, \u0111\u01b0\u1ee3c Google ch\u00ednh th\u1ee9c h\u1ed7 tr\u1ee3 t\u1eeb n\u0103m 2017, v\u1edbi c\u00fa ph\u00e1p, hi\u1ec7n \u0111\u1ea1i v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng \u01b0u vi\u1ec7t.<\/span><\/li>\n<\/ul>\n<h4><b> \u01afu \u0111i\u1ec3m c\u1ee7a c\u1ea3 hai ng\u00f4n ng\u1eef tr\u00ean<\/b><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t: C\u1ea3 Java v\u00e0 Kotlin \u0111\u1ec1u \u0111\u01b0\u1ee3c bi\u00ean d\u1ecbch th\u00e0nh m\u00e3 bytecode JVM (Java Virtual Machine), mang l\u1ea1i hi\u1ec7u su\u1ea5t cao v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh Android.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00ednh n\u0103ng: Cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c t\u00ednh n\u0103ng c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android, bao g\u1ed3m l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb, x\u1eed l\u00fd \u0111a lu\u1ed3ng, v.v.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ed9ng \u0111\u1ed3ng: S\u1edf h\u1eefu c\u1ed9ng \u0111\u1ed3ng l\u1eadp tr\u00ecnh vi\u00ean \u0111\u00f4ng \u0111\u1ea3o, t\u00edch c\u1ef1c chia s\u1ebb ki\u1ebfn th\u1ee9c, kinh nghi\u1ec7m v\u00e0 h\u1ed7 tr\u1ee3 l\u1eabn nhau trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp v\u00e0 ph\u00e1t tri\u1ec3n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3: \u0110\u01b0\u1ee3c cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 ph\u00e1t tri\u1ec3n nh\u01b0 IDE, debugger, test framework, v.v., gi\u00fap t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<\/ul>\n<h4><b> L\u1ef1a ch\u1ecdn ng\u00f4n ng\u1eef n\u00e0o \u0111\u1ec3 h\u1ecdc<\/b><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Java: Ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, v\u1edbi nhi\u1ec1u t\u00e0i li\u1ec7u v\u00e0 h\u01b0\u1edbng d\u1eabn d\u1ec5 hi\u1ec3u, c\u1ed9ng \u0111\u1ed3ng h\u1ed7 tr\u1ee3 r\u1ed9ng l\u1edbn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kotlin: L\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u cho l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 kinh nghi\u1ec7m, gi\u00fap vi\u1ebft code, d\u1ec5 \u0111\u1ecdc, d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3 h\u01a1n.<\/span><\/li>\n<\/ul>\n<blockquote><p><span style=\"font-weight: 400;\">\u0110\u1ec3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng qu\u00e1t h\u01a1n v\u1ec1 c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng Android, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1c ng\u00f4n ng\u1eef kh\u00e1c qua b\u00e0i vi\u1ebft: <\/span><a href=\"https:\/\/itviec.com\/blog\/ngon-ngu-lap-trinh-android\/\" target=\"_blank\" rel=\"noopener\"><strong>C\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Android<\/strong><\/a><\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">T\u00f3m l\u1ea1i, b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t trong h\u00e0nh tr\u00ecnh l\u1eadp tr\u00ecnh Android c\u1ee7a b\u1ea1n l\u00e0 l\u1ef1a ch\u1ecdn ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u00f9 h\u1ee3p. M\u1ed7i ng\u00f4n ng\u1eef \u0111\u1ec1u c\u00f3 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, do \u0111\u00f3 b\u1ea1n c\u1ea7n c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng tr\u01b0\u1edbc khi \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh.<\/span><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/kotlin-vs-java\/\" target=\"_blank\" rel=\"noopener\"><strong>Kotlin vs Java: Khi n\u00e0o n\u00ean ch\u1ecdn Kotlin? Khi n\u00e0o n\u00ean ch\u1ecdn Java?<\/strong><\/a><\/em><\/p><\/blockquote>\n<h3><b>B\u01b0\u1edbc 2: C\u00e0i \u0111\u1eb7t c\u00e1c c\u00f4ng c\u1ee5 l\u1eadp tr\u00ecnh Android: Android Studio, JDK, SDK<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh l\u1eadp tr\u00ecnh Android, b\u1ea1n c\u1ea7n c\u00e0i \u0111\u1eb7t c\u00e1c c\u00f4ng c\u1ee5 sau:<\/span><\/p>\n<h4><b> Android Studio<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Android Studio l\u00e0 m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n t\u00edch h\u1ee3p (IDE) ch\u00ednh th\u1ee9c cho h\u1ec7 \u0111i\u1ec1u h\u00e0nh Android \u0111\u01b0\u1ee3c Google ph\u00e1t tri\u1ec3n. N\u00f3 cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 t\u00ednh n\u0103ng gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng, th\u1eed nghi\u1ec7m v\u00e0 tri\u1ec3n khai \u1ee9ng d\u1ee5ng Android m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c b\u01b0\u1edbc c\u00e0i \u0111\u1eb7t Android Studio:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea3i xu\u1ed1ng: Truy c\u1eadp <a href=\"https:\/\/developer.android.com\/studio\" target=\"_blank\" rel=\"noopener\">trang web ch\u00ednh th\u1ee9c c\u1ee7a Android Studio<\/a> <\/span><span style=\"font-weight: 400;\">v\u00e0 t\u1ea3i phi\u00ean b\u1ea3n ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a b\u1ea1n (Windows, macOS, Linux).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t: Ch\u1ea1y tr\u00ecnh c\u00e0i \u0111\u1eb7t v\u00e0 l\u00e0m theo h\u01b0\u1edbng d\u1eabn tr\u00ean m\u00e0n h\u00ecnh. Ch\u1ecdn th\u01b0 m\u1ee5c c\u00e0i \u0111\u1eb7t, \u0111\u1ed3ng \u00fd v\u1edbi \u0111i\u1ec1u kho\u1ea3n c\u1ea5p ph\u00e9p v\u00e0 c\u00e0i \u0111\u1eb7t c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft l\u1eadp SDK v\u00e0 JDK: Trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t Android Studio, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t SDK (Software Development Kit) v\u00e0 JDK (Java Development Kit). N\u1ebfu b\u1ea1n \u0111\u00e3 c\u00e0i \u0111\u1eb7t s\u1eb5n, h\u00e3y ch\u1ecdn th\u01b0 m\u1ee5c c\u00e0i \u0111\u1eb7t ph\u00f9 h\u1ee3p.<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-69151 size-full\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/android-studio-vippro.jpg\" alt=\"android studio\" width=\"1264\" height=\"890\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/android-studio-vippro.jpg 1264w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/android-studio-vippro-300x211.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/android-studio-vippro-850x600.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/android-studio-vippro-200x141.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/android-studio-vippro-100x70.jpg 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/android-studio-vippro-639x450.jpg 639w\" sizes=\"auto, (max-width: 1264px) 100vw, 1264px\" \/><\/p>\n<p style=\"text-align: center;\"><em>Giao di\u1ec7n Android Studio.<\/em><\/p>\n<h4><b> JDK (Java Development Kit)<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">JDK l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Java Development Kit, l\u00e0 m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi Oracle (tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 Sun Microsystems) \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Java. JDK bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tr\u00ecnh bi\u00ean d\u1ecbch Java (javac): Bi\u00ean d\u1ecbch m\u00e3 ngu\u1ed3n Java (.java) th\u00e0nh m\u00e3 bytecode (.class).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Java Runtime Environment (JRE): Cung c\u1ea5p m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 ch\u1ea1y \u1ee9ng d\u1ee5ng Java.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 Java (javadoc, jar): H\u1ed7 tr\u1ee3 t\u1ea1o t\u00e0i li\u1ec7u API, \u0111\u00f3ng g\u00f3i \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u01b0 vi\u1ec7n Java: Cung c\u1ea5p c\u00e1c l\u1edbp v\u00e0 API s\u1eb5n c\u00f3 \u0111\u1ec3 s\u1eed d\u1ee5ng trong ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c b\u01b0\u1edbc c\u00e0i \u0111\u1eb7t JDK:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea3i xu\u1ed1ng: Truy c\u1eadp <a href=\"https:\/\/www.oracle.com\/java\/technologies\/downloads\/\" target=\"_blank\" rel=\"noopener\">trang web ch\u00ednh th\u1ee9c c\u1ee7a Oracle <\/a><\/span><span style=\"font-weight: 400;\">v\u00e0 t\u1ea3i phi\u00ean b\u1ea3n JDK ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a b\u1ea1n (Windows, macOS, Linux).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t: Ch\u1ea1y tr\u00ecnh c\u00e0i \u0111\u1eb7t v\u00e0 l\u00e0m theo h\u01b0\u1edbng d\u1eabn tr\u00ean m\u00e0n h\u00ecnh. Ch\u1ecdn th\u01b0 m\u1ee5c c\u00e0i \u0111\u1eb7t v\u00e0 c\u00e0i \u0111\u1eb7t JDK.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft l\u1eadp bi\u1ebfn m\u00f4i tr\u01b0\u1eddng: Sau khi c\u00e0i \u0111\u1eb7t JDK, b\u1ea1n c\u1ea7n thi\u1ebft l\u1eadp bi\u1ebfn m\u00f4i tr\u01b0\u1eddng JAVA_HOME \u0111\u1ec3 Android Studio c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u00e0i \u0111\u1eb7t.<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Windows:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o &#8220;This PC&#8221; -&gt; &#8220;Properties&#8221; -&gt; &#8220;Advanced system settings&#8221; -&gt; &#8220;Environment Variables&#8221;.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-69153\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-1-vippro.jpg\" alt=\"\" width=\"856\" height=\"972\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-1-vippro.jpg 856w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-1-vippro-264x300.jpg 264w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-1-vippro-768x872.jpg 564w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-1-vippro-176x200.jpg 176w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-1-vippro-88x100.jpg 88w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-1-vippro-396x450.jpg 396w\" sizes=\"auto, (max-width: 856px) 100vw, 856px\" \/><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">Trong ph\u1ea7n &#8220;System variables&#8221;, ch\u1ecdn &#8220;New&#8221;.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-69154\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-2-vippro.png\" alt=\"\" width=\"1236\" height=\"1174\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-2-vippro.png 1236w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-2-vippro-300x285.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-2-vippro-768x729.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-2-vippro-200x190.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-2-vippro-100x95.png 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-2-vippro-474x450.png 474w\" sizes=\"auto, (max-width: 1236px) 100vw, 1236px\" \/><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">Trong \u00f4 &#8220;Variable name&#8221;, nh\u1eadp &#8220;JAVA_HOME&#8221;.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-69155\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-3-vippro.png\" alt=\"\" width=\"1310\" height=\"336\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-3-vippro.png 1310w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-3-vippro-300x77.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-3-vippro-700x180.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-3-vippro-200x51.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-3-vippro-100x26.png 100w\" sizes=\"auto, (max-width: 1310px) 100vw, 1310px\" \/><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">Trong \u00f4 &#8220;Variable value&#8221;, nh\u1eadp \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn th\u01b0 m\u1ee5c c\u00e0i \u0111\u1eb7t JDK (v\u00ed d\u1ee5: C:\\Program Files\\Java\\jdk17).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">Nh\u1ea5p v\u00e0o &#8220;OK&#8221; \u0111\u1ec3 l\u01b0u thay \u0111\u1ed5i.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-69156\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-4-vippro.png\" alt=\"\" width=\"1060\" height=\"1012\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-4-vippro.png 1060w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-4-vippro-300x286.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-4-vippro-768x733.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-4-vippro-200x191.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-4-vippro-100x95.png 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-4-vippro-471x450.png 471w\" sizes=\"auto, (max-width: 1060px) 100vw, 1060px\" \/><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">macOS:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">M\u1edf Terminal v\u00e0 nh\u1eadp l\u1ec7nh sau:<\/span><\/li>\n<\/ul>\n<pre><span style=\"font-weight: 400;\">export JAVA_HOME=\/path\/to\/jdk\/folder<\/span><\/pre>\n<p><span style=\"font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-69157\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-macOS-vippro.jpg\" alt=\"\" width=\"1584\" height=\"152\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-macOS-vippro.jpg 1584w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-macOS-vippro-300x29.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-macOS-vippro-700x67.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-macOS-vippro-200x19.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/JDK-macOS-vippro-100x10.jpg 100w\" sizes=\"auto, (max-width: 1584px) 100vw, 1584px\" \/><\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">Thay th\u1ebf &#8220;\/path\/to\/jdk\/folder&#8221; b\u1eb1ng \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn th\u01b0 m\u1ee5c c\u00e0i \u0111\u1eb7t JDK.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">L\u01b0u thay \u0111\u1ed5i b\u1eb1ng c\u00e1ch nh\u1eadp l\u1ec7nh sau:<\/span><\/li>\n<\/ul>\n<pre><span style=\"font-weight: 400;\">echo export JAVA_HOME=\/path\/to\/jdk\/folder &gt;&gt; ~\/.bash_profile<\/span><\/pre>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i Terminal \u0111\u1ec3 \u00e1p d\u1ee5ng thay \u0111\u1ed5i.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i JDK \u0111\u1ed1i v\u1edbi l\u1eadp tr\u00ecnh vi\u00ean s\u1eed d\u1ee5ng C++ th\u00ec c\u1ea7n c\u00f3 th\u1ec3 c\u1ea7n t\u1ea3i NDK. NDK (Native Development Kit) l\u00e0 b\u1ed9 c\u00f4ng c\u1ee5 \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android b\u1eb1ng ng\u00f4n ng\u1eef C++. NDK cung c\u1ea5p tr\u00ecnh bi\u00ean d\u1ecbch C++ (clang) \u0111\u1ec3 bi\u00ean d\u1ecbch m\u00e3 ngu\u1ed3n C++ (*.cpp) sang m\u00e3 m\u00e1y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c thi tr\u1ef1c ti\u1ebfp tr\u00ean CPU c\u1ee7a thi\u1ebft b\u1ecb Android.<\/span><\/p>\n<h4><b> SDK (Software Development Kit)<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">SDK l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Software Development Kit, l\u00e0 b\u1ed9 c\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m cung c\u1ea5p cho l\u1eadp tr\u00ecnh vi\u00ean c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng cho m\u1ed9t n\u1ec1n t\u1ea3ng c\u1ee5 th\u1ec3. Trong l\u1eadp tr\u00ecnh Android, SDK \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng gi\u00fap b\u1ea1n:<\/span><\/p>\n<ul>\n<li>Truy c\u1eadp API Android: <span style=\"font-weight: 400;\">SDK cung c\u1ea5p c\u00e1c API (Application Programming Interface) cho ph\u00e9p b\u1ea1n t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c t\u00ednh n\u0103ng c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh Android, nh\u01b0 camera, GPS, c\u1ea3m bi\u1ebfn, v.v.<\/span><\/li>\n<li>S\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n s\u1eb5n c\u00f3:<span style=\"font-weight: 400;\"> SDK bao g\u1ed3m nhi\u1ec1u th\u01b0 vi\u1ec7n m\u00e3 ngu\u1ed3n m\u1edf gi\u00fap b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng ph\u1ed5 bi\u1ebfn nh\u01b0 x\u1eed l\u00fd h\u00ecnh \u1ea3nh, m\u1ea1ng, l\u01b0u tr\u1eef d\u1eef li\u1ec7u, v.v.<\/span><\/li>\n<li>T\u00edch h\u1ee3p v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 Google:<span style=\"font-weight: 400;\"> SDK h\u1ed7 tr\u1ee3 t\u00edch h\u1ee3p v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 Google nh\u01b0 Google Maps, Google Play Services, v.v.<\/span><\/li>\n<li>Th\u1eed nghi\u1ec7m v\u00e0 g\u1ee1 l\u1ed7i \u1ee9ng d\u1ee5ng:<span style=\"font-weight: 400;\"> SDK cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 b\u1ea1n th\u1eed nghi\u1ec7m v\u00e0 g\u1ee1 l\u1ed7i \u1ee9ng d\u1ee5ng tr\u00ean thi\u1ebft b\u1ecb \u1ea3o ho\u1eb7c thi\u1ebft b\u1ecb th\u1ef1c.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Android Studio t\u1ef1 \u0111\u1ed9ng c\u00e0i \u0111\u1eb7t SDK trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t. B\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng SDK v\u1edbi c\u00e1c b\u01b0\u1edbc sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1edf SDK Manager:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Kh\u1edfi \u0111\u1ed9ng Android Studio.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ch\u1ecdn &#8220;File&#8221; -&gt; &#8220;Settings&#8221; -&gt; &#8220;Appearance &amp; Behavior&#8221; -&gt; &#8220;System Settings&#8221; -&gt; &#8220;Android SDK&#8221;.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Nh\u1ea5p v\u00e0o &#8220;SDK Manager&#8221; trong tab &#8220;SDK Platforms&#8221;.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t c\u00e1c th\u00e0nh ph\u1ea7n SDK c\u1ea7n thi\u1ebft: <\/span><span style=\"font-weight: 400;\">Trong SDK Manager, ch\u1ecdn c\u00e1c th\u00e0nh ph\u1ea7n SDK b\u1ea1n mu\u1ed1n c\u00e0i \u0111\u1eb7t, bao g\u1ed3m:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">Platforms: Ch\u1ecdn phi\u00ean b\u1ea3n Android m\u00e0 b\u1ea1n mu\u1ed1n ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng (v\u00ed d\u1ee5: Android 13).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"3\"><span style=\"font-weight: 400;\">Build Tools: Ch\u1ecdn phi\u00ean b\u1ea3n build tools m\u1edbi nh\u1ea5t.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-69166 size-full\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-1-vippro-e1715929563957.jpg\" alt=\"\" width=\"871\" height=\"1392\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-1-vippro-e1715929563957.jpg 871w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-1-vippro-e1715929563957-188x300.jpg 188w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-1-vippro-e1715929563957-400x640.jpg 400w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-1-vippro-e1715929563957-125x200.jpg 125w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-1-vippro-e1715929563957-768x1227.jpg 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-1-vippro-e1715929563957-63x100.jpg 63w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-1-vippro-e1715929563957-282x450.jpg 282w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-1-vippro-e1715929563957-751x1200.jpg 751w\" sizes=\"auto, (max-width: 871px) 100vw, 871px\" \/><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"3\"><span style=\"font-weight: 400;\">Android SDK Platform Tools: Cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi thi\u1ebft b\u1ecb Android.<\/span><\/li>\n<li aria-level=\"3\"><span style=\"font-weight: 400;\">Android Emulator: Gi\u1ea3 l\u1eadp thi\u1ebft b\u1ecb Android \u0111\u1ec3 test \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-69167\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-2-vippro.jpg\" alt=\"\" width=\"1710\" height=\"968\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-2-vippro.jpg 1710w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-2-vippro-300x170.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-2-vippro-1600x906.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-2-vippro-200x113.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/SDK-2-vippro-100x57.jpg 100w\" sizes=\"auto, (max-width: 1710px) 100vw, 1710px\" \/><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"3\"><span style=\"font-weight: 400;\">Google USB Driver: C\u1ea7n thi\u1ebft \u0111\u1ec3 k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb Android v\u1edbi m\u00e1y t\u00ednh.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Nh\u1ea5p v\u00e0o &#8220;Install&#8221; \u0111\u1ec3 c\u00e0i \u0111\u1eb7t c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ch\u1ecdn.<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 3: T\u00ecm hi\u1ec3u c\u00fa ph\u00e1p Android c\u01a1 b\u1ea3n<\/b><\/h3>\n<p>C\u00e1c kh\u00e1i ni\u1ec7m li\u00ean quan \u0111\u1ebfn c\u00fa ph\u00e1p Android c\u01a1 b\u1ea3n m\u00e0 b\u1ea1n c\u1ea7n t\u00ecm hi\u1ec3u l\u00e0:<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Bi\u1ebfn (Variable)<\/b><span style=\"font-weight: 400;\">: Hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i bi\u1ebfn kh\u00e1c nhau (s\u1ed1 nguy\u00ean, chu\u1ed7i, boolean, v.v.) v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ki\u1ec3u d\u1eef li\u1ec7u (Value Type)<\/b><span style=\"font-weight: 400;\">: N\u1eafm v\u1eefng c\u00e1c ki\u1ec3u d\u1eef li\u1ec7u c\u01a1 b\u1ea3n (int, double, String, v.v.) v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng ch\u00fang m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>To\u00e1n t\u1eed (Operators)<\/b><span style=\"font-weight: 400;\">: Kh\u00e1m ph\u00e1 c\u00e1c to\u00e1n t\u1eed to\u00e1n h\u1ecdc, logic v\u00e0 so s\u00e1nh \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh v\u00e0 thao t\u00e1c d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110i\u1ec1u ki\u1ec7n (Conditions)<\/b><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng c\u00e1c c\u00e2u l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n (if, else, switch) \u0111\u1ec3 ki\u1ec3m so\u00e1t lu\u1ed3ng ch\u01b0\u01a1ng tr\u00ecnh d\u1ef1a tr\u00ean c\u00e1c \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>V\u00f2ng l\u1eb7p (Loop)<\/b><span style=\"font-weight: 400;\">: L\u1eb7p l\u1ea1i m\u1ed9t kh\u1ed1i code nhi\u1ec1u l\u1ea7n b\u1eb1ng c\u00e1c v\u00f2ng l\u1eb7p (for, while, do-while) \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 4: H\u1ecdc v\u1ec1 C\u1ea5u tr\u00fac d\u1eef li\u1ec7u v\u00e0 gi\u1ea3i thu\u1eadt<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac d\u1eef li\u1ec7u v\u00e0 gi\u1ea3i thu\u1eadt \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong l\u1eadp tr\u00ecnh, gi\u00fap b\u1ea1n t\u1ed5 ch\u1ee9c v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng Android. N\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 hai l\u0129nh v\u1ef1c n\u00e0y s\u1ebd gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng nh\u1eefng \u1ee9ng d\u1ee5ng Android th\u00f4ng minh, m\u01b0\u1ee3t m\u00e0 v\u00e0 c\u00f3 th\u1ec3 x\u1eed l\u00fd l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/span><\/p>\n<h4><b>C\u1ea5u tr\u00fac d\u1eef li\u1ec7u<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac d\u1eef li\u1ec7u l\u00e0 c\u00e1ch th\u1ee9c s\u1eafp x\u1ebfp v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb m\u00e1y t\u00ednh. N\u1eafm v\u1eefng c\u00e1c c\u1ea5u tr\u00fac d\u1eef li\u1ec7u ph\u1ed5 bi\u1ebfn nh\u01b0 m\u1ea3ng (Array), danh s\u00e1ch li\u00ean k\u1ebft (Linked List), ng\u0103n x\u1ebfp (Stack) v\u00e0 h\u00e0ng \u0111\u1ee3i (Queue) s\u1ebd gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn c\u1ea5u tr\u00fac ph\u00f9 h\u1ee3p cho t\u1eebng b\u00e0i to\u00e1n c\u1ee5 th\u1ec3, t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c truy c\u1eadp v\u00e0 thao t\u00e1c d\u1eef li\u1ec7u.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>M\u1ea3ng (Array)<\/b><span style=\"font-weight: 400;\">: C\u1ea5u tr\u00fac d\u1eef li\u1ec7u \u0111\u01a1n gi\u1ea3n nh\u1ea5t, l\u01b0u tr\u1eef m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c ph\u1ea7n t\u1eed c\u00f9ng ki\u1ec3u d\u1eef li\u1ec7u. M\u1ea3ng c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 cho ph\u00e9p truy c\u1eadp ph\u1ea7n t\u1eed nhanh ch\u00f3ng b\u1eb1ng ch\u1ec9 s\u1ed1, nh\u01b0ng vi\u1ec7c th\u00eam, x\u00f3a ph\u1ea7n t\u1eed gi\u1eefa m\u1ea3ng c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m v\u1ec1 th\u1eddi gian.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Danh s\u00e1ch li\u00ean k\u1ebft (Linked List)<\/b><span style=\"font-weight: 400;\">: C\u1ea5u tr\u00fac d\u1eef li\u1ec7u linh ho\u1ea1t, l\u01b0u tr\u1eef c\u00e1c ph\u1ea7n t\u1eed (node) \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau b\u1eb1ng li\u00ean k\u1ebft. Danh s\u00e1ch li\u00ean k\u1ebft d\u1ec5 d\u00e0ng th\u00eam, x\u00f3a ph\u1ea7n t\u1eed \u1edf b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o, nh\u01b0ng truy c\u1eadp ph\u1ea7n t\u1eed b\u1eb1ng ch\u1ec9 s\u1ed1 c\u00f3 th\u1ec3 ch\u1eadm h\u01a1n so v\u1edbi m\u1ea3ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ng\u0103n x\u1ebfp (Stack)<\/b><span style=\"font-weight: 400;\">: V\u1edbi ng\u0103n x\u1ebfp, c\u1ea5u tr\u00fac d\u1eef li\u1ec7u ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean t\u1eafc LIFO (Last In, First Out), ngh\u0129a l\u00e0 ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c th\u00eam v\u00e0o sau s\u1ebd l\u00e0 ph\u1ea7n t\u1eed \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c l\u1ea5y ra.. Ng\u0103n x\u1ebfp th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, bao g\u1ed3m vi\u1ec7c qu\u1ea3n l\u00fd ng\u1eafn x\u1ebfp c\u1ee7a c\u00e1c h\u00e0m trong l\u1eddi g\u1ecdi h\u00e0m (call stack), duy\u1ec7t c\u00e2y trong gi\u1ea3i thu\u1eadt DFS (Duy\u1ec7t theo chi\u1ec1u s\u00e2u), qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn vi\u1ec7c l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u theo nguy\u00ean t\u1eafc LIFO.<\/span><\/li>\n<\/ul>\n<blockquote><p><i><span style=\"font-weight: 400;\">LIFO (Last In, First Out): H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n c\u00f3 m\u1ed9t ch\u1ed3ng \u0111\u0129a. Khi b\u1ea1n mu\u1ed1n l\u1ea5y \u0111\u0129a ra, b\u1ea1n ph\u1ea3i l\u1ea5y \u0111\u0129a \u1edf tr\u00ean c\u00f9ng tr\u01b0\u1edbc. LIFO ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady. Khi b\u1ea1n th\u00eam m\u1ed9t ph\u1ea7n t\u1eed v\u00e0o c\u1ea5u tr\u00fac d\u1eef li\u1ec7u LIFO, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean tr\u00ean c\u00f9ng. Khi b\u1ea1n x\u00f3a m\u1ed9t ph\u1ea7n t\u1eed, ph\u1ea7n t\u1eed \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb \u0111\u1ea7u ti\u00ean.<\/span><\/i><\/p><\/blockquote>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u00e0ng \u0111\u1ee3i (Queue)<\/b><span style=\"font-weight: 400;\">: V\u1edbi h\u00e0ng \u0111\u1ee3i, c\u1ea5u tr\u00fac d\u1eef li\u1ec7u ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean t\u1eafc FIFO (First In, First Out), ngh\u0129a l\u00e0 ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c th\u00eam v\u00e0o tr\u01b0\u1edbc s\u1ebd l\u00e0 ph\u1ea7n t\u1eed \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c l\u1ea5y ra. H\u00e0ng \u0111\u1ee3i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd danh s\u00e1ch ch\u1edd, x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 theo th\u1ee9 t\u1ef1.<\/span><\/li>\n<\/ul>\n<blockquote><p><i><span style=\"font-weight: 400;\">FIFO (First In, First Out): H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n \u0111ang x\u1ebfp h\u00e0ng mua v\u00e9 xem phim. Ng\u01b0\u1eddi \u0111\u1ebfn tr\u01b0\u1edbc s\u1ebd \u0111\u01b0\u1ee3c mua v\u00e9 tr\u01b0\u1edbc, ng\u01b0\u1eddi \u0111\u1ebfn sau s\u1ebd ph\u1ea3i x\u1ebfp h\u00e0ng ch\u1edd. FIFO ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady.<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\">Khi b\u1ea1n th\u00eam m\u1ed9t ph\u1ea7n t\u1eed v\u00e0o c\u1ea5u tr\u00fac d\u1eef li\u1ec7u FIFO, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o cu\u1ed1i h\u00e0ng \u0111\u1ee3i. Khi b\u1ea1n x\u00f3a m\u1ed9t ph\u1ea7n t\u1eed, ph\u1ea7n t\u1eed \u0111\u1ea7u ti\u00ean trong h\u00e0ng \u0111\u1ee3i s\u1ebd \u0111\u01b0\u1ee3c l\u1ea5y ra.<\/span><\/i><\/p><\/blockquote>\n<h4><b>Gi\u1ea3i thu\u1eadt<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Gi\u1ea3i thu\u1eadt l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c h\u01b0\u1edbng d\u1eabn \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u1ee5 th\u1ec3. N\u1eafm v\u1eefng c\u00e1c thu\u1eadt to\u00e1n s\u1eafp x\u1ebfp v\u00e0 t\u00ecm ki\u1ebfm hi\u1ec7u qu\u1ea3 s\u1ebd gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng Android, \u0111\u1eb7c bi\u1ec7t khi x\u1eed l\u00fd l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Thu\u1eadt to\u00e1n s\u1eafp x\u1ebfp (Sorting algorithm)<\/b><span style=\"font-weight: 400;\">: S\u1eafp x\u1ebfp c\u00e1c ph\u1ea7n t\u1eed trong m\u1ed9t t\u1eadp h\u1ee3p theo m\u1ed9t th\u1ee9 t\u1ef1 nh\u1ea5t \u0111\u1ecbnh (v\u00ed d\u1ee5: s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n, gi\u1ea3m d\u1ea7n). M\u1ed9t s\u1ed1 thu\u1eadt to\u00e1n s\u1eafp x\u1ebfp ph\u1ed5 bi\u1ebfn bao g\u1ed3m Bubble Sort, Selection Sort, Insertion Sort, Merge Sort, Quick Sort.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Thu\u1eadt to\u00e1n t\u00ecm ki\u1ebfm (Search algorithm)<\/b><span style=\"font-weight: 400;\">: T\u00ecm ki\u1ebfm m\u1ed9t ph\u1ea7n t\u1eed c\u1ee5 th\u1ec3 trong m\u1ed9t t\u1eadp h\u1ee3p d\u1eef li\u1ec7u. M\u1ed9t s\u1ed1 thu\u1eadt to\u00e1n t\u00ecm ki\u1ebfm ph\u1ed5 bi\u1ebfn bao g\u1ed3m Linear Search, Binary Search.<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 5: T\u00ecm hi\u1ec3u c\u00e1c th\u00e0nh ph\u1ea7n UI (User Interface &#8211; Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng) c\u01a1 b\u1ea3n<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m UI c\u01a1 b\u1ea3n trong ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android bao g\u1ed3m c\u1ea5u tr\u00fac v\u00e0 c\u00fa ph\u00e1p XML \u0111\u1ec3 m\u00f4 t\u1ea3 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, c\u0169ng nh\u01b0 c\u00e1c kh\u00e1i ni\u1ec7m v\u1ec1 ho\u1ea1t \u0111\u1ed9ng (Activity), \u00fd \u0111\u1ecbnh (Intent), \u0111o\u1ea1n m\u00e3 (Fragment), v\u00e0 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (UI) trong Android:<\/span><\/p>\n<p><b>XML: <\/b><span style=\"font-weight: 400;\">XML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong Android \u0111\u1ec3 x\u00e2y d\u1ef1ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (UI) c\u1ee7a \u1ee9ng d\u1ee5ng. C\u1ea5u tr\u00fac v\u00e0 c\u00fa ph\u00e1p XML \u0111\u1ec3 m\u00f4 t\u1ea3 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng Android. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n v\u1ec1 c\u1ea5u tr\u00fac XML cho m\u1ed9t layout:<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-69180\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-2-vippro.jpg\" alt=\"\" width=\"1372\" height=\"1016\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-2-vippro.jpg 1372w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-2-vippro-300x222.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-2-vippro-768x569.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-2-vippro-200x148.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-2-vippro-100x74.jpg 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-2-vippro-608x450.jpg 608w\" sizes=\"auto, (max-width: 1372px) 100vw, 1372px\" \/><\/p>\n<p><b>Activity: <\/b><span style=\"font-weight: 400;\">Activity l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ee7a \u1ee9ng d\u1ee5ng Android, n\u00f3 ch\u1ecbu tr\u00e1ch nhi\u1ec7m hi\u1ec3n th\u1ecb giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi ng\u01b0\u1eddi d\u00f9ng. M\u1ed7i Activity th\u01b0\u1eddng t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t m\u00e0n h\u00ecnh trong \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<p><b>Intent: <\/b><span style=\"font-weight: 400;\">Intent l\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng d\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a \u1ee9ng d\u1ee5ng Android trong qu\u00e1 tr\u00ecnh ch\u1ea1y. Intent c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n d\u1eef li\u1ec7u gi\u1eefa c\u00e1c ho\u1ea1t \u0111\u1ed9ng (Activity) ho\u1eb7c kh\u1edfi ch\u1ea1y c\u00e1c d\u1ecbch v\u1ee5 (Service).<\/span><\/p>\n<p><b>Fragment: <\/b><span style=\"font-weight: 400;\">Fragment l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o ho\u1eb7c lo\u1ea1i b\u1ecf trong m\u1ed9t Activity. Fragment gi\u00fap t\u00e1ch bi\u1ec7t giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng th\u00e0nh c\u00e1c ph\u1ea7n nh\u1ecf h\u01a1n, d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n.<\/span><\/p>\n<p><b>Lifecycle c\u1ee7a \u1ee9ng d\u1ee5ng Android: <\/b><span style=\"font-weight: 400;\">Lifecycle c\u1ee7a \u1ee9ng d\u1ee5ng Android bao g\u1ed3m m\u1ed9t lo\u1ea1t c\u00e1c tr\u1ea1ng th\u00e1i m\u00e0 \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 chuy\u1ec3n qua t\u1eeb khi kh\u1edfi \u0111\u1ed9ng \u0111\u1ebfn khi k\u1ebft th\u00fac. C\u00e1c ph\u01b0\u01a1ng th\u1ee9c lifecycle quan tr\u1ecdng nh\u1ea5t bao g\u1ed3m onCreate(), onStart(), onResume(), onPause(), onStop(), v\u00e0 onDestroy().<\/span><\/p>\n<p><b>Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (UI):<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf layout b\u1eb1ng XML v\u00e0 Java\/Kotlin: Layout XML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, trong khi Java ho\u1eb7c Kotlin \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u00e1c th\u00e0nh ph\u1ea7n trong layout.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c widget v\u00e0 control c\u01a1 b\u1ea3n: Android cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c widget v\u00e0 control nh\u01b0 TextView, Button, EditText, ListView, RecyclerView, v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa \u0111\u1ec3 x\u00e2y d\u1ef1ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u1eed l\u00fd s\u1ef1 ki\u1ec7n ng\u01b0\u1eddi d\u00f9ng: S\u1ef1 ki\u1ec7n ng\u01b0\u1eddi d\u00f9ng nh\u01b0 nh\u1ea5n n\u00fat, ch\u1ea1m v\u00e0o m\u00e0n h\u00ecnh, ho\u1eb7c nh\u1eadp li\u1ec7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng th\u1ee9c callback nh\u01b0 onClick(), onTouchListener(), v\u00e0 onKeyListener().<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 6: T\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c C\u01a1 s\u1edf d\u1eef li\u1ec7u<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Trong l\u1eadp tr\u00ecnh Android, c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u c\u1ee7a \u1ee9ng d\u1ee5ng. C\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t trong Android l\u00e0 SQLite v\u00e0 Room.<\/span><\/p>\n<p><a href=\"https:\/\/developer.android.com\/codelabs\/basic-android-kotlin-compose-sql#0\" target=\"_blank\" rel=\"noopener\"><b>SQLite<\/b><\/a><\/p>\n<p><span style=\"font-weight: 400;\">SQLite l\u00e0 gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef d\u1eef li\u1ec7u ph\u1ed5 bi\u1ebfn cho \u1ee9ng d\u1ee5ng Android. N\u00f3 cho ph\u00e9p b\u1ea1n l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ea5u tr\u00fac m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, truy v\u1ea5n d\u1eef li\u1ec7u b\u1eb1ng SQL v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c CRUD (Create, Read, Update, Delete).<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea1o v\u00e0 qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u: S\u1eed d\u1ee5ng SQLiteOpenHelper \u0111\u1ec3 t\u1ea1o, m\u1edf, truy c\u1eadp v\u00e0 \u0111\u00f3ng c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n truy v\u1ea5n SQL: S\u1eed d\u1ee5ng SQLiteDatabase \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c truy v\u1ea5n SQL nh\u01b0 SELECT, INSERT, UPDATE, DELETE.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng ContentProvider: Cung c\u1ea5p truy c\u1eadp d\u1eef li\u1ec7u cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c.<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/developer.android.com\/reference\/android\/content\/SharedPreferences\" target=\"_blank\" rel=\"noopener\"><b>SharedPreferences<\/b><\/a><\/p>\n<p><span style=\"font-weight: 400;\">SharedPreferences l\u00e0 gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u01a1n gi\u1ea3n, nh\u1eb9 v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. N\u00f3 ph\u00f9 h\u1ee3p cho vi\u1ec7c l\u01b0u tr\u1eef c\u00e1c c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng, th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng \u0111\u01a1n gi\u1ea3n.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u01b0u tr\u1eef d\u1eef li\u1ec7u: S\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c put(), get(), remove() \u0111\u1ec3 l\u01b0u tr\u1eef, truy xu\u1ea5t v\u00e0 x\u00f3a d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00a0Theo d\u00f5i c\u00e1c thay \u0111\u1ed5i c\u1ee7a d\u1eef li\u1ec7u: S\u1eed d\u1ee5ng SharedPreferences.OnSharedPreferenceChangeListener \u0111\u1ec3 theo d\u00f5i thay \u0111\u1ed5i d\u1eef li\u1ec7u.<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 7: Hi\u1ec3u c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">H\u1ecdc Android kh\u00f4ng ch\u1ec9 l\u00e0 vi\u1ec7c hi\u1ec3u v\u1ec1 c\u00fa ph\u00e1p c\u1ee7a ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Kotlin ho\u1eb7c Java v\u00e0 c\u00e1ch x\u00e2y d\u1ef1ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, m\u00e0 c\u00f2n l\u00e0 hi\u1ec3u c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3 \u0111\u1ec3 gi\u1ea3m thi\u1ec3u th\u1eddi gian ph\u00e1t tri\u1ec3n, t\u0103ng t\u00ednh b\u1ea3o m\u1eadt, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng m\u1ea1nh m\u1ebd v\u00e0 linh ho\u1ea1t.<\/span><\/p>\n<p><a href=\"https:\/\/square.github.io\/retrofit\/\" target=\"_blank\" rel=\"noopener\"><b>Retrofit<\/b><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Retrofit l\u00e0 th\u01b0 vi\u1ec7n m\u1ea1ng ph\u1ed5 bi\u1ebfn d\u00e0nh cho Android, gi\u00fap b\u1ea1n truy c\u1eadp v\u00e0 qu\u1ea3n l\u00fd c\u00e1c API m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3. V\u1edbi Retrofit, b\u1ea1n c\u00f3 th\u1ec3:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea1o c\u00e1c request API: X\u00e1c \u0111\u1ecbnh URL, ph\u01b0\u01a1ng th\u1ee9c HTTP, header, body v\u00e0 c\u00e1c tham s\u1ed1 cho request.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u1eedi request API: G\u1eedi request \u0111\u1ebfn server v\u00e0 nh\u1eadn response.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u1eed l\u00fd response API: Ph\u00e2n t\u00edch d\u1eef li\u1ec7u JSON, chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u sang object, x\u1eed l\u00fd l\u1ed7i API.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Retrofit cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng h\u1eefu \u00edch nh\u01b0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 nhi\u1ec1u ph\u01b0\u01a1ng th\u1ee9c HTTP: GET, POST, PUT, DELETE,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u JSON v\u00e0 XML.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 converter \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u JSON sang object.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 interceptor \u0111\u1ec3 ch\u00e8n header, token, logging,&#8230;<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/developer.android.com\/jetpack\/androidx\/releases\/room\" target=\"_blank\" rel=\"noopener\"><b>Room<\/b><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Room l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n c\u1ee7a Android Jetpack gi\u00fap l\u00e0m vi\u1ec7c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u SQLite d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 an to\u00e0n h\u01a1n. N\u00f3 cung c\u1ea5p m\u1ed9t l\u1edbp tr\u1eebu t\u01b0\u1ee3ng h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u, c\u00e1c DAO (Data Access Object) \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c d\u1eef li\u1ec7u, v\u00e0 x\u1eed l\u00fd m\u1ecdi th\u1ee9 tr\u00ean m\u1ed9t lu\u1ed3ng kh\u00f4ng ch\u00ednh x\u00e1c (background thread).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Room gi\u00fap gi\u1ea3m b\u1edbt c\u00f4ng vi\u1ec7c l\u1eb7p \u0111i l\u1eb7p l\u1ea1i khi l\u00e0m vi\u1ec7c v\u1edbi SQLite v\u00e0 gi\u00fap b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n tr\u01b0\u1edbc c\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u01b0 SQL injection.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110o\u1ea1n m\u00e3 d\u01b0\u1edbi \u0111\u00e2y m\u00f4 t\u1ea3 ng\u1eafn g\u1ecdn 1 v\u00ed d\u1ee5 l\u00e0 vi\u1ec7c tri\u1ec3n khai Room trong vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u trong c\u00e1c \u1ee9ng d\u1ee5ng Android:<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-69181\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-3-vippro.jpg\" alt=\"\" width=\"1382\" height=\"1162\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-3-vippro.jpg 1382w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-3-vippro-300x252.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-3-vippro-768x646.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-3-vippro-200x168.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-3-vippro-100x84.jpg 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-3-vippro-535x450.jpg 535w\" sizes=\"auto, (max-width: 1382px) 100vw, 1382px\" \/><\/p>\n<p><em><span style=\"font-weight: 400;\">Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n trong l\u1eadp tr\u00ecnh Android, \u0111\u01b0\u1ee3c \u0111\u00fac k\u1ebft t\u1eeb qu\u00e1 tr\u00ecnh h\u1ecdc v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c s\u1ea3n ph\u1ea9m, d\u1ef1 \u00e1n l\u1edbn nh\u1ecf kh\u00e1c nhau.<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400;\">Ti\u1ebfp theo, vi\u1ec7c \u00e1p d\u1ee5ng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y v\u00e0o th\u1ef1c t\u1ebf th\u00f4ng qua vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c d\u1ef1 \u00e1n v\u00e0 s\u1ea3n ph\u1ea9m Android s\u1ebd gi\u00fap b\u1ea1n c\u1ee7ng c\u1ed1 v\u00e0 m\u1edf r\u1ed9ng hi\u1ec3u bi\u1ebft c\u1ee7a m\u00ecnh, \u0111\u1ed3ng th\u1eddi ph\u00e1t tri\u1ec3n k\u1ef9 n\u0103ng th\u1ef1c h\u00e0nh v\u00e0 t\u01b0 duy l\u1eadp tr\u00ecnh.<\/span><\/em><\/p>\n<h3><b>B\u01b0\u1edbc 8: X\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng Android \u0111\u01a1n gi\u1ea3n<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">X\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng Android \u0111\u01a1n gi\u1ea3n l\u00e0 m\u1ed9t c\u00e1ch tuy\u1ec7t v\u1eddi \u0111\u1ec3 \u00e1p d\u1ee5ng c\u00e1c ki\u1ebfn th\u1ee9c \u0111\u00e3 h\u1ecdc v\u00e0o th\u1ef1c t\u1ebf. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn ba \u1ee9ng d\u1ee5ng r\u1ea5t ph\u1ed5 bi\u1ebfn v\u00e0 h\u1eefu \u00edch \u0111\u1ec3 b\u1eaft \u0111\u1ea7u: To-do list, danh b\u1ea1, v\u00e0 m\u00e1y t\u00ednh.\u00a0<\/span><\/p>\n<p><strong>\u1ee8ng d\u1ee5ng To-do list:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn: <\/span><a href=\"https:\/\/guides.codepath.com\/android\"><span style=\"font-weight: 400;\">https:\/\/guides.codepath.com\/android<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00f4 t\u1ea3: T\u00e0i li\u1ec7u n\u00e0y h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng to-do list c\u01a1 b\u1ea3n s\u1eed d\u1ee5ng Android Studio. B\u1ea1n s\u1ebd h\u1ecdc c\u00e1ch t\u1ea1o giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, l\u01b0u tr\u1eef d\u1eef li\u1ec7u v\u00e0 qu\u1ea3n l\u00fd danh s\u00e1ch c\u00e1c t\u00e1c v\u1ee5.<\/span><\/li>\n<\/ul>\n<p><strong>\u1ee8ng d\u1ee5ng danh b\u1ea1:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn: <\/span><a href=\"https:\/\/www.geeksforgeeks.org\/how-to-create-contacts-app-in-android-studio\/\"><span style=\"font-weight: 400;\">https:\/\/www.geeksforgeeks.org\/how-to-create-contacts-app-in-android-studio\/<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00f4 t\u1ea3: T\u00e0i li\u1ec7u n\u00e0y h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng danh b\u1ea1. B\u1ea1n s\u1ebd h\u1ecdc c\u00e1ch truy c\u1eadp v\u00e0 hi\u1ec3n th\u1ecb danh b\u1ea1 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, th\u00eam, ch\u1ec9nh s\u1eeda v\u00e0 x\u00f3a danh b\u1ea1 v\u00e0 nhi\u1ec1u t\u00e1c v\u1ee5 kh\u00e1c.<\/span><\/li>\n<\/ul>\n<p><strong>\u1ee8ng d\u1ee5ng m\u00e1y t\u00ednh:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn: <\/span><a href=\"https:\/\/www.geeksforgeeks.org\/how-to-build-a-simple-calculator-app-using-android-studio\/\">https:\/\/www.geeksforgeeks.org\/how-to-build-a-simple-calculator-app-using-android-studio\/<\/a><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00f4 t\u1ea3: T\u00e0i li\u1ec7u n\u00e0y h\u01b0\u1edbng d\u1eabn c\u00e1ch x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng m\u00e1y t\u00ednh \u0111\u01a1n gi\u1ea3n cho Android. B\u1ea1n s\u1ebd h\u1ecdc c\u00e1ch t\u1ea1o giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng v\u1edbi c\u00e1c n\u00fat s\u1ed1 v\u00e0 to\u00e1n t\u1eed, th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh v\u00e0 hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3.<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 9: T\u00ecm hi\u1ec3u v\u1ec1 L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOP)<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-69179 size-full\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-1-vippro.jpg\" alt=\"\" width=\"1306\" height=\"686\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-1-vippro.jpg 1306w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-1-vippro-300x158.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-1-vippro-700x368.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-1-vippro-200x105.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/hoc-android-1-vippro-100x53.jpg 100w\" sizes=\"auto, (max-width: 1306px) 100vw, 1306px\" \/><\/p>\n<p style=\"text-align: center;\"><em>Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 m\u00f4 t\u1ea3 vi\u1ec7c kh\u1edfi t\u1ea1o m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng (Object) t\u00ean l\u00e0 \u201cCar&#8221; c\u00f3 hai thu\u1ed9c t\u00ednh l\u00e0 \u201cColor\u201d \u0111\u1ea1i di\u1ec7n cho m\u00e0u xe, \u201cyear&#8221; l\u00e0 n\u0103m xe \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t, ph\u01b0\u01a1ng th\u1ee9c \u201cdrive&#8221; \u0111\u1ea1i di\u1ec7n cho tr\u1ea1ng th\u00e1i xe \u0111ang ch\u1ea1y.<\/em><\/p>\n<h4><b>\u0110i\u1ec3m ch\u00ednh c\u1ee7a OOP<\/b><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>L\u1edbp (Class)<\/strong>:<\/span><span style=\"font-weight: 400;\"> Khu\u00f4n m\u1eabu \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, \u0111\u00f3ng g\u00f3i d\u1eef li\u1ec7u (thu\u1ed9c t\u00ednh) v\u00e0 h\u00e0nh vi (ph\u01b0\u01a1ng th\u1ee9c) c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>\u0110\u1ed1i t\u01b0\u1ee3ng (Object)<\/strong>:<\/span><span style=\"font-weight: 400;\"> Phi\u00ean b\u1ea3n c\u1ee5 th\u1ec3 c\u1ee7a m\u1ed9t l\u1edbp, \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u1ef1c th\u1ec3 trong th\u1ebf gi\u1edbi th\u1ef1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>T\u00ednh \u0111\u00f3ng g\u00f3i (Encapsulation)<\/strong><span style=\"font-weight: 400;\">: \u1ea8n gi\u1ea5u chi ti\u1ebft tri\u1ec3n khai b\u00ean trong l\u1edbp, ch\u1ec9 \u0111\u1ec3 l\u1ed9 giao di\u1ec7n th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng th\u1ee9c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>T\u00ednh k\u1ebf th\u1eeba (Inheritance)<\/strong>:<\/span><span style=\"font-weight: 400;\"> Kh\u1ea3 n\u0103ng cho ph\u00e9p m\u1ed9t l\u1edbp k\u1ebf th\u1eeba c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c t\u1eeb l\u1edbp cha, gi\u00fap t\u00e1i s\u1eed d\u1ee5ng code v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c l\u1edbp m\u1edbi d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>T\u00ednh \u0111a h\u00ecnh (Polymorphism)<\/strong><span style=\"font-weight: 400;\">: Kh\u1ea3 n\u0103ng cho ph\u00e9p c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng thu\u1ed9c c\u00e1c l\u1edbp kh\u00e1c nhau nh\u01b0ng c\u00f3 c\u00f9ng giao di\u1ec7n th\u1ef1c hi\u1ec7n c\u00f9ng m\u1ed9t h\u00e0nh \u0111\u1ed9ng theo c\u00e1ch ri\u00eang c\u1ee7a ch\u00fang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>T\u00ednh tr\u1eebu t\u01b0\u1ee3ng (Abstraction)<\/strong><span style=\"font-weight: 400;\">: T\u1eadp trung v\u00e0o c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft y\u1ebfu c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng, b\u1ecf qua c\u00e1c chi ti\u1ebft ph\u1ee9c t\u1ea1p, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a code v\u00e0 d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng h\u01a1n.<\/span><\/li>\n<\/ul>\n<h4><b>L\u1ee3i \u00edch c\u1ee7a OOP<\/b><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 qu\u1ea3n l\u00fd: Vi\u1ec7c chia nh\u1ecf code th\u00e0nh c\u00e1c l\u1edbp v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng gi\u00fap d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd v\u00e0 s\u1eeda \u0111\u1ed5i code, \u0111\u1eb7c bi\u1ec7t l\u00e0 cho c\u00e1c d\u1ef1 \u00e1n l\u1edbn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00e1i s\u1eed d\u1ee5ng: C\u00e1c l\u1edbp c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng trong nhi\u1ec1u d\u1ef1 \u00e1n kh\u00e1c nhau, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c cho l\u1eadp tr\u00ecnh vi\u00ean.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 b\u1ea3o tr\u00ec: Vi\u1ec7c s\u1eeda l\u1ed7i v\u00e0 c\u1eadp nh\u1eadt code tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n nh\u1edd t\u00ednh \u0111\u00f3ng g\u00f3i v\u00e0 t\u00ednh tr\u1eebu t\u01b0\u1ee3ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1edf r\u1ed9ng: D\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c l\u1edbp v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng m\u1edbi.<\/span><\/li>\n<\/ul>\n<h4><b>V\u00ed d\u1ee5 v\u1ec1 OOP trong l\u1eadp tr\u00ecnh Android<\/b><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1edbp Activity: \u0110\u1ea1i di\u1ec7n cho m\u1ed9t m\u00e0n h\u00ecnh trong \u1ee9ng d\u1ee5ng Android.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1edbp View: \u0110\u1ea1i di\u1ec7n cho c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng nh\u01b0 Button, TextView, ImageView,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u1ebf th\u1eeba: L\u1edbp Button c\u00f3 th\u1ec3 k\u1ebf th\u1eeba t\u1eeb l\u1edbp View, k\u1ebf th\u1eeba c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c chung c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110a h\u00ecnh: Ph\u01b0\u01a1ng th\u1ee9c onClick() \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong l\u1edbp View c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c thi theo c\u00e1ch kh\u00e1c nhau trong c\u00e1c l\u1edbp Button, TextView,&#8230;<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">OOP l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 r\u1ed9ng l\u1edbn v\u00e0 c\u1ea7n th\u1eddi gian \u0111\u1ec3 h\u1ecdc h\u1ecfi. <\/span><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o t\u00e0i li\u1ec7u online, video h\u01b0\u1edbng d\u1eabn v\u00e0 s\u00e1ch \u0111\u1ec3 h\u1ecdc v\u1ec1 OOP, ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 t<\/span><span style=\"font-weight: 400;\">ham gia c\u00e1c c\u1ed9ng \u0111\u1ed3ng l\u1eadp tr\u00ecnh \u0111\u1ec3 trao \u0111\u1ed5i ki\u1ebfn th\u1ee9c v\u00e0 kinh nghi\u1ec7m v\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00e1c.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_buoc_hoc_Android_nang_cao\"><\/span><b>C\u00e1c b\u01b0\u1edbc h\u1ecdc Android n\u00e2ng cao<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>B\u01b0\u1edbc 1: T\u00ecm hi\u1ec3u ki\u1ebfn th\u1ee9c v\u1ec1 MVP, MVVM<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android, vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m nh\u01b0 MVP (Model-View-Presenter) v\u00e0 MVVM (Model-View-ViewModel) c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u00ednh b\u1ea3o tr\u00ec, t\u00e1i s\u1eed d\u1ee5ng v\u00e0 ki\u1ec3m th\u1eed c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">MVP l\u00e0 m\u1ed9t ki\u1ebfn tr\u00fac ph\u1ed5 bi\u1ebfn, t\u00e1ch bi\u1ec7t logic x\u1eed l\u00fd d\u1eef li\u1ec7u (Model) v\u00e0 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (View) th\u00f4ng qua m\u1ed9t l\u1edbp trung gian g\u1ecdi l\u00e0 Presenter. Presenter \u0111\u1ea3m nh\u1eadn tr\u00e1ch nhi\u1ec7m trung gian, gi\u1eef cho Model v\u00e0 View kh\u00f4ng tr\u1ef1c ti\u1ebfp t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 t\u1ed5 ch\u1ee9c \u0111\u1ec3 x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng, d\u1ec5 d\u00e0ng ki\u1ec3m th\u1eed v\u00e0 t\u00e1i s\u1eed d\u1ee5ng code.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">MVVM l\u00e0 m\u1ed9t bi\u1ebfn th\u1ec3 hi\u1ec7n \u0111\u1ea1i c\u1ee7a ki\u1ebfn tr\u00fac MVP, n\u01a1i ViewModel \u0111\u1ea3m nh\u1eadn tr\u00e1ch nhi\u1ec7m c\u1ee7a Presenter. ViewModel gi\u1eef c\u00e1c d\u1eef li\u1ec7u v\u00e0 tr\u1ea1ng th\u00e1i c\u1ee7a giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, gi\u1ea3m b\u1edbt s\u1ef1 ph\u1ee5 thu\u1ed9c c\u1ee7a View v\u00e0o Model. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m logic trong View v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi\u1ec7c qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i v\u00e0 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch linh ho\u1ea1t h\u01a1n.<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 2: T\u00ecm hi\u1ec3u ki\u1ebfn th\u1ee9c v\u1ec1<\/b> <b>Dependency Injection<\/b><\/h3>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/developer.android.com\/training\/dependency-injection\" target=\"_blank\" rel=\"noopener\">Dependency Injection (DI)<\/a> l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt quan tr\u1ecdng gi\u00fap qu\u1ea3n l\u00fd v\u00e0 cung c\u1ea5p c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ee5 thu\u1ed9c cho c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch linh ho\u1ea1t v\u00e0 d\u1ec5 d\u00e0ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Thay v\u00ec t\u1ea1o c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ee5 thu\u1ed9c trong m\u00e3 ngu\u1ed3n, DI cho ph\u00e9p c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c cung c\u1ea5p t\u1eeb b\u00ean ngo\u00e0i, gi\u00fap gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0 l\u00e0m cho vi\u1ec7c thay \u0111\u1ed5i v\u00e0 ki\u1ec3m th\u1eed d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 3: \u00c1p d\u1ee5ng c\u00f4ng ngh\u1ec7 m\u1edbi v\u00e0 th\u01b0 vi\u1ec7n b\u1ed5 sung<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android ch\u1ea5t l\u01b0\u1ee3ng cao, vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi v\u00e0 th\u01b0 vi\u1ec7n b\u1ed5 sung l\u00e0 r\u1ea5t quan tr\u1ecdng. C\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 <\/span><a href=\"https:\/\/developer.android.com\/kotlin\/coroutines\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Kotlin Coroutines<\/span><\/a><span style=\"font-weight: 400;\"> gi\u00fap x\u1eed l\u00fd t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, <\/span><a href=\"https:\/\/developer.android.com\/courses\/jetpack-compose\/course?gad_source=1&amp;gclid=CjwKCAjwz42xBhB9EiwA48pT72imLOiiM3QorbUHrG26c7MNb5TVfKVq9Q0Hg-gV-NvbxhhxnzyYsRoCg4UQAvD_BwE&amp;gclsrc=aw.ds\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Jetpack Compose<\/span><\/a><span style=\"font-weight: 400;\"> gi\u00fap x\u00e2y d\u1ef1ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng hi\u1ec7u qu\u1ea3 v\u00e0 linh ho\u1ea1t h\u01a1n, v\u00e0 <\/span><a href=\"https:\/\/developer.android.com\/training\/data-storage\/room\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Room Persistence Library<\/span><\/a><span style=\"font-weight: 400;\"> gi\u00fap qu\u1ea3n l\u00fd l\u01b0u tr\u1eef d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch linh ho\u1ea1t v\u00e0 ti\u1ebft ki\u1ec7m t\u00e0i nguy\u00ean.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <\/span><a href=\"https:\/\/developer.android.com\/studio\/build\/shrink-code?hl=vi\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">ProGuard \/ R8<\/span><\/a><span style=\"font-weight: 400;\"> gi\u00fap thu nh\u1ecf v\u00e0 b\u1ea3o v\u1ec7 m\u00e3 ngu\u1ed3n c\u1ee7a b\u1ea1n, \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 4: T\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t v\u00e0 ki\u1ec3m th\u1eed<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t v\u00e0 ti\u00eau th\u1ee5 t\u00e0i nguy\u00ean c\u1ee7a \u1ee9ng d\u1ee5ng, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 k\u1ef9 thu\u1eadt nh\u01b0<\/span><a href=\"https:\/\/support.google.com\/firebase\/answer\/6386654?hl=en#zippy=%2Cin-this-article\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\"> Firebase Test Lab<\/span><\/a><span style=\"font-weight: 400;\"> v\u00e0 <\/span><a href=\"https:\/\/github.com\/facebookarchive\/stetho\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Stetho <\/span><\/a><span style=\"font-weight: 400;\">l\u00e0 r\u1ea5t quan tr\u1ecdng. Firebase Test Lab gi\u00fap ki\u1ec3m tra \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb v\u00e0 phi\u00ean b\u1ea3n Android kh\u00e1c nhau, \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a \u1ee9ng d\u1ee5ng tr\u00ean m\u1ecdi m\u00f4i tr\u01b0\u1eddng.<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 5: Kh\u00e1m ph\u00e1 c\u00e1c ch\u1ee7 \u0111\u1ec1 Android n\u00e2ng cao kh\u00e1c<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i c\u00e1c ki\u1ebfn tr\u00fac v\u00e0 c\u00f4ng ngh\u1ec7 tr\u00ean, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c ch\u1ee7 \u0111\u1ec1 n\u00e2ng cao kh\u00e1c nh\u01b0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng \u0111a n\u1ec1n t\u1ea3ng v\u1edbi Flutter ho\u1eb7c React Native<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/developer.android.com\/codelabs\/compose-for-wear-os?hl=vi#0\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh Android Wear OS<\/span><\/a><span style=\"font-weight: 400;\"> \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng cho \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/developer.android.com\/training\/cars\/apps\/iot\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh Android cho Internet of Things (IoT)<\/span><\/a><span style=\"font-weight: 400;\"> \u0111\u1ec3 k\u1ebft n\u1ed1i v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cu\u1ed1i c\u00f9ng, vi\u1ec7c tham gia c\u1ed9ng \u0111\u1ed3ng l\u1eadp tr\u00ecnh Android \u0111\u1ec3 trao \u0111\u1ed5i ki\u1ebfn th\u1ee9c, kinh nghi\u1ec7m v\u00e0 c\u1eadp nh\u1eadt c\u00e1c xu h\u01b0\u1edbng m\u1edbi nh\u1ea5t l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ph\u00e1t tri\u1ec3n s\u1ef1 nghi\u1ec7p trong l\u0129nh v\u1ef1c n\u00e0y. \u0110\u1ed3ng th\u1eddi, trau d\u1ed3i k\u1ef9 n\u0103ng m\u1ec1m nh\u01b0 giao ti\u1ebfp, l\u00e0m vi\u1ec7c nh\u00f3m, gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 v\u00e0 t\u01b0 duy s\u00e1ng t\u1ea1o c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_buoc_len_ke_hoach_tu_hoc_lap_trinh_Android_cho_nguoi_moi_bat_dau\"><\/span><b>C\u00e1c b\u01b0\u1edbc l\u00ean k\u1ebf ho\u1ea1ch t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u hi\u1ec7u qu\u1ea3, b\u1ea1n c\u1ea7n l\u1eadp k\u1ebf ho\u1ea1ch h\u1ecdc t\u1eadp ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3n th\u00e2n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u01b0\u1edbc gi\u00fap b\u1ea1n l\u1eadp k\u1ebf ho\u1ea1ch t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android:<\/span><\/p>\n<h3><b> X\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh l\u00fd do b\u1ea1n mu\u1ed1n h\u1ecdc l\u1eadp tr\u00ecnh Android.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3 b\u1ea1n mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c trong th\u1eddi gian bao l\u00e2u.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: B\u1ea1n mu\u1ed1n h\u1ecdc l\u1eadp tr\u00ecnh Android \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng cho b\u1ea3n th\u00e2n, ho\u1eb7c b\u1ea1n mu\u1ed1n tr\u1edf th\u00e0nh m\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean Android chuy\u00ean nghi\u1ec7p.<\/span><\/p>\n<h3><b> \u0110\u00e1nh gi\u00e1 ki\u1ebfn th\u1ee9c hi\u1ec7n t\u1ea1i<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh b\u1ea1n \u0111\u00e3 bi\u1ebft g\u00ec v\u1ec1 l\u1eadp tr\u00ecnh v\u00e0 Android.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh nh\u1eefng ki\u1ebfn th\u1ee9c b\u1ea1n c\u1ea7n h\u1ecdc th\u00eam.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: B\u1ea1n \u0111\u00e3 bi\u1ebft l\u1eadp tr\u00ecnh Java ho\u1eb7c Kotlin, ho\u1eb7c b\u1ea1n ch\u01b0a bi\u1ebft g\u00ec v\u1ec1 l\u1eadp tr\u00ecnh.<\/span><\/p>\n<h3><b> L\u00ean l\u1ecbch h\u1ecdc t\u1eadp<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chia nh\u1ecf m\u1ee5c ti\u00eau th\u00e0nh c\u00e1c m\u1ee5c ti\u00eau nh\u1ecf h\u01a1n v\u00e0 d\u1ec5 th\u1ef1c hi\u1ec7n h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u00ean l\u1ecbch h\u1ecdc t\u1eadp c\u1ee5 th\u1ec3 cho t\u1eebng ng\u00e0y, bao g\u1ed3m th\u1eddi gian h\u1ecdc t\u1eadp v\u00e0 n\u1ed9i dung h\u1ecdc t\u1eadp.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: B\u1ea1n s\u1ebd h\u1ecdc 2 ti\u1ebfng m\u1ed7i ng\u00e0y, 1 ti\u1ebfng h\u1ecdc Java v\u00e0 1 ti\u1ebfng h\u1ecdc v\u1ec1 c\u00e1c widget trong Android.<\/span><\/p>\n<h3><b> Luy\u1ec7n t\u1eadp th\u01b0\u1eddng xuy\u00ean<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Luy\u1ec7n t\u1eadp l\u00e0 c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u nh\u1eb1m n\u00e2ng cao k\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh Android.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: B\u1ea1n c\u00f3 th\u1ec3 tham gia c\u00e1c d\u1ef1 \u00e1n Android \u0111\u1ec3 th\u1ef1c h\u00e0nh ki\u1ebfn th\u1ee9c \u0111\u00e3 h\u1ecdc, ho\u1eb7c tham gia c\u1ed9ng \u0111\u1ed3ng l\u1eadp tr\u00ecnh Android \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 v\u00e0 h\u1ecdc h\u1ecfi kinh nghi\u1ec7m t\u1eeb nh\u1eefng ng\u01b0\u1eddi c\u00f3 kinh nghi\u1ec7m.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Huong_dan_tao_du_an_Android_cho_nguoi_moi_bat_dau\"><\/span><b>H\u01b0\u1edbng d\u1eabn t\u1ea1o d\u1ef1 \u00e1n Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Sau khi n\u1eafm v\u1eefng c\u00e1c ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u00e0 c\u00e0i \u0111\u1eb7t c\u00e1c c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft, b\u1ea1n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn m\u1ed9t \u00fd t\u01b0\u1edfng \u0111\u01a1n gi\u1ea3n cho d\u1ef1 \u00e1n \u0111\u1ea7u ti\u00ean, v\u00ed d\u1ee5 nh\u01b0 \u1ee9ng d\u1ee5ng t\u00ednh to\u00e1n \u0111\u01a1n gi\u1ea3n, \u1ee9ng d\u1ee5ng ghi ch\u00fa,&#8230; Kh\u00f4ng n\u00ean ch\u1ecdn \u00fd t\u01b0\u1edfng qu\u00e1 ph\u1ee9c t\u1ea1p cho d\u1ef1 \u00e1n \u0111\u1ea7u ti\u00ean.<\/span><\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc h\u01b0\u1edbng d\u1eabn b\u1ea1n th\u1ef1c hi\u1ec7n d\u1ef1 \u00e1n \u0111\u1ea7u ti\u00ean:<\/p>\n<h3><b> T\u1ea1o d\u1ef1 \u00e1n m\u1edbi<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1edf Android Studio v\u00e0 ch\u1ecdn &#8220;Start a new Android Studio project&#8221;.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u1eadp t\u00ean d\u1ef1 \u00e1n, ch\u1ecdn ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh (Java ho\u1eb7c Kotlin) v\u00e0 m\u1eabu d\u1ef1 \u00e1n ph\u00f9 h\u1ee3p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u1ea5p &#8220;Finish&#8221; \u0111\u1ec3 t\u1ea1o d\u1ef1 \u00e1n m\u1edbi.<\/span><\/li>\n<\/ul>\n<h3><b> Thi\u1ebft k\u1ebf giao di\u1ec7n<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng giao di\u1ec7n WYSIWYG (What You See Is What You Get) trong Android Studio \u0111\u1ec3 thi\u1ebft k\u1ebf giao di\u1ec7n cho \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u00e9o th\u1ea3 c\u00e1c widget (nh\u01b0 TextView, Button, EditText, v.v.) v\u00e0o layout \u0111\u1ec3 t\u1ea1o giao di\u1ec7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 tham kh\u1ea3o t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn v\u1ec1 thi\u1ebft k\u1ebf giao di\u1ec7n Android.<\/span><\/li>\n<\/ul>\n<h3><b> Vi\u1ebft code<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vi\u1ebft code Java ho\u1eb7c Kotlin \u0111\u1ec3 x\u1eed l\u00fd logic cho \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: x\u1eed l\u00fd s\u1ef1 ki\u1ec7n click button, x\u1eed l\u00fd d\u1eef li\u1ec7u nh\u1eadp v\u00e0o, v.v.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 tham kh\u1ea3o t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn v\u1ec1 l\u1eadp tr\u00ecnh Android.<\/span><\/li>\n<\/ul>\n<h3><b> Ch\u1ea1y th\u1eed v\u00e0 ki\u1ec3m tra<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u1ea5p n\u00fat &#8220;Run&#8221; trong Android Studio \u0111\u1ec3 ch\u1ea1y th\u1eed \u1ee9ng d\u1ee5ng tr\u00ean emulator ho\u1eb7c thi\u1ebft b\u1ecb Android th\u1eadt.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra ch\u1ee9c n\u0103ng c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 s\u1eeda l\u1ed7i n\u1ebfu c\u00f3.<\/span><\/li>\n<\/ul>\n<h3><b> Ho\u00e0n thi\u1ec7n v\u00e0 ph\u00e1t tri\u1ec3n<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ti\u1ebfp t\u1ee5c ho\u00e0n thi\u1ec7n \u1ee9ng d\u1ee5ng: th\u00eam ch\u1ee9c n\u0103ng m\u1edbi, c\u1ea3i thi\u1ec7n giao di\u1ec7n, v.v.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c d\u1ef1 \u00e1n Android m\u1eabu \u0111\u1ec3 h\u1ecdc h\u1ecfi th\u00eam.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_khi_tu_hoc_lap_trinh_Android_cho_nguoi_moi_bat_dau\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p khi t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b> Ng\u00f4n ng\u1eef n\u00e0o ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u h\u1ecdc l\u1eadp tr\u00ecnh Android, hai ng\u00f4n ng\u1eef ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 Java v\u00e0 Kotlin. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u0111i\u1ec3m c\u00e2n nh\u1eafc gi\u1eefa hai ng\u00f4n ng\u1eef n\u00e0y:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Java<\/b><span style=\"font-weight: 400;\"> l\u00e0 ng\u00f4n ng\u1eef truy\u1ec1n th\u1ed1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e2u \u0111\u1eddi trong ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android. <\/span>C\u00f3 nhi\u1ec1u t\u00e0i li\u1ec7u, ngu\u1ed3n h\u1ecdc v\u00e0 v\u00ed d\u1ee5 m\u00e3 ngu\u1ed3n d\u00e0nh cho l\u1eadp tr\u00ecnh Android b\u1eb1ng Java. Java l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kotlin<\/b><span style=\"font-weight: 400;\"> l\u00e0 ng\u00f4n ng\u1eef m\u1edbi \u0111\u01b0\u1ee3c Google ch\u00ednh th\u1ee9c h\u1ed7 tr\u1ee3 cho ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Android. Kotlin c\u00f3 c\u00fa ph\u00e1p ng\u1eafn g\u1ecdn h\u01a1n, \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c vi\u1ebft m\u00e3 v\u00e0 gi\u1ea3m thi\u1ec3u l\u1ed7i. <\/span>Kotlin cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng ti\u1ec7n \u00edch nh\u01b0 Null Safety, Extension Functions, v\u00e0 Coroutines gi\u00fap vi\u1ebft m\u00e3 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u1ea3 hai ng\u00f4n ng\u1eef \u0111\u1ec1u ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u. N\u1ebfu b\u1ea1n ch\u01b0a quen thu\u1ed9c v\u1edbi l\u1eadp tr\u00ecnh, Java c\u00f3 th\u1ec3 l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t \u0111\u1ec3 b\u1eaft \u0111\u1ea7u v\u00ec c\u00f3 nhi\u1ec1u t\u00e0i li\u1ec7u h\u1ecdc v\u00e0 ngu\u1ed3n th\u00f4ng tin s\u1eb5n c\u00f3. N\u1ebfu b\u1ea1n mu\u1ed1n t\u1eadp trung v\u00e0o vi\u1ebft m\u00e3 hi\u1ec7u qu\u1ea3 v\u00e0 s\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng m\u1edbi nh\u1ea5t, Kotlin c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 hi\u1ec3u r\u00f5 c\u01a1 b\u1ea3n v\u1ec1 l\u1eadp tr\u00ecnh Android v\u00e0 sau \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng chuy\u1ec3n \u0111\u1ed5i gi\u1eefa hai ng\u00f4n ng\u1eef n\u1ebfu c\u1ea7n.<\/span><\/p>\n<h3><b> L\u1eddi khuy\u00ean \u0111\u1ec3 t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u th\u00e0nh c\u00f4ng?<\/b><\/h3>\n<p><strong>B\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng b\u00e0i h\u1ecdc c\u01a1 b\u1ea3n:<\/strong><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">T\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng Android<\/span><\/li>\n<li><span style=\"font-weight: 400;\">H\u1ecdc c\u00e1ch x\u1eed l\u00fd s\u1ef1 ki\u1ec7n<\/span><\/li>\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c API c\u01a1 b\u1ea3n c\u1ee7a Android<\/span><\/li>\n<\/ul>\n<p><strong>Luy\u1ec7n t\u1eadp th\u01b0\u1eddng xuy\u00ean:<\/strong><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Vi\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 r\u00e8n luy\u1ec7n k\u1ef9 n\u0103ng<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Tham gia c\u00e1c c\u1ed9ng \u0111\u1ed3ng l\u1eadp tr\u00ecnh Android \u0111\u1ec3 h\u1ecdc h\u1ecfi kinh nghi\u1ec7m<\/span><\/li>\n<\/ul>\n<p><strong>Ki\u00ean tr\u00ec v\u00e0 kh\u00f4ng ng\u1eebng h\u1ecdc h\u1ecfi:<\/strong><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c \u0111\u00f2i h\u1ecfi s\u1ef1 ki\u00ean tr\u00ec v\u00e0 n\u1ed7 l\u1ef1c<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Lu\u00f4n c\u1eadp nh\u1eadt nh\u1eefng ki\u1ebfn th\u1ee9c m\u1edbi nh\u1ea5t v\u1ec1 Android<\/span><\/li>\n<\/ul>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 n\u00e2ng cao tr\u00ecnh \u0111\u1ed9 l\u1eadp tr\u00ecnh Android?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 ti\u1ebfp t\u1ee5c h\u1ecdc v\u00e0 ph\u00e1t tri\u1ec3n trong l\u1eadp tr\u00ecnh Android, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 g\u1ee3i \u00fd b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ti\u1ebfp t\u1ee5c th\u1ef1c h\u00e0nh v\u00e0 x\u00e2y d\u1ef1ng d\u1ef1 \u00e1n m\u1edbi:<\/b><span style=\"font-weight: 400;\"> H\u00e3y ti\u1ebfp t\u1ee5c th\u1ef1c h\u00e0nh b\u1eb1ng c\u00e1ch x\u00e2y d\u1ef1ng c\u00e1c d\u1ef1 \u00e1n m\u1edbi v\u00e0 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf. Th\u1eed th\u00e1ch b\u1ea3n th\u00e2n b\u1eb1ng c\u00e1ch \u0111\u1eb7t m\u1ee5c ti\u00eau x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 t\u00edch h\u1ee3p c\u00e1c t\u00ednh n\u0103ng m\u1edbi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>N\u00e2ng cao ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1c c\u00f4ng ngh\u1ec7 li\u00ean quan:<\/b><span style=\"font-weight: 400;\"> \u0110\u1eebng ch\u1ec9 t\u1eadp trung v\u00e0o l\u1eadp tr\u00ecnh Android m\u00e0 h\u00e3y t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00e1c nh\u01b0 Firebase (cho vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u, x\u00e1c th\u1ef1c, ph\u00e2n t\u00edch), RxJava ho\u1eb7c Kotlin Coroutines (cho l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9), MVVM ho\u1eb7c Clean Architecture (cho ki\u1ebfn tr\u00fac \u1ee9ng d\u1ee5ng), v\u00e0 c\u00e1c th\u01b0 vi\u1ec7n v\u00e0 framework ph\u1ed5 bi\u1ebfn kh\u00e1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Theo d\u00f5i c\u00e1c xu h\u01b0\u1edbng m\u1edbi v\u00e0 k\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn:<\/b><span style=\"font-weight: 400;\"> S\u1edf h\u1eefu kh\u1ea3 n\u0103ng t\u1ef1 h\u1ecdc l\u00e0 m\u1ed9t \u0111i\u1ec1u quan tr\u1ecdng. H\u00e3y lu\u00f4n c\u1eadp nh\u1eadt v\u1edbi c\u00e1c xu h\u01b0\u1edbng m\u1edbi nh\u01b0 Android Jetpack, Jetpack Compose (cho vi\u1ec7c ph\u00e1t tri\u1ec3n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng), Android Architecture Components, ho\u1eb7c c\u1eadp nh\u1eadt v\u1edbi phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a Android.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket_lo_trinh_tu_hoc_lap_trinh_Android_cho_nguoi_moi_bat_dau\"><\/span><strong>T\u1ed5ng k\u1ebft l\u1ed9 tr\u00ecnh\u00a0t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">T\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u00e0 m\u1ed9t h\u00e0nh tr\u00ecnh th\u00fa v\u1ecb v\u00e0 \u0111\u1ea7y h\u1ee9ng th\u00fa. B\u1eb1ng c\u00e1ch t\u1ef1 n\u1ed7 l\u1ef1c, t\u00ecm hi\u1ec3u v\u00e0 th\u1ef1c h\u00e0nh, b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c v\u1edbi m\u1ed9t th\u1ebf gi\u1edbi m\u1edbi c\u1ee7a ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng. T\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u1ebfn vi\u1ec7c x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng \u0111\u1ea7u ti\u00ean, m\u1ed7i b\u01b0\u1edbc \u0111\u1ec1u l\u00e0 m\u1ed9t c\u01a1 h\u1ed9i \u0111\u1ec3 h\u1ecdc h\u1ecfi v\u00e0 ph\u00e1t tri\u1ec3n k\u1ef9 n\u0103ng c\u1ee7a b\u1ea1n. H\u00e3y ki\u00ean nh\u1eabn, kh\u00f4ng ng\u1eebng th\u1eed th\u00e1ch b\u1ea3n th\u00e2n v\u00e0 lu\u00f4n t\u00ecm ki\u1ebfm c\u01a1 h\u1ed9i \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u01b0\u1edbc m\u01a1 c\u1ee7a m\u00ecnh trong l\u0129nh v\u1ef1c n\u00e0y.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong th\u1eddi \u0111\u1ea1i c\u00f4ng ngh\u1ec7 ng\u00e0y nay, Android, v\u1edbi h\u00e0ng tri\u1ec7u \u1ee9ng d\u1ee5ng \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 s\u1eed d\u1ee5ng, l\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh chi\u1ebfm th\u1ecb ph\u1ea7n l\u1edbn nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng di \u0111\u1ed9ng. Vi\u1ec7c thi\u1ebft k\u1ebf m\u1ed9t l\u1ed9 tr\u00ecnh h\u1ee3p l\u00fd \u0111\u1ec3 t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u kh\u00f4ng ch\u1ec9 [&hellip;]<\/p>\n","protected":false},"author":203,"featured_media":69538,"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-69518","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 v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>T\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u A-Z trong 9 b\u01b0\u1edbc - ITviec Blog<\/title>\n<meta name=\"description\" content=\"Vi\u1ec7c c\u00f3 l\u1ed9 tr\u00ecnh t\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u h\u1ee3p l\u00fd s\u1ebd m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i ngh\u1ec1 nghi\u1ec7p v\u00e0 ph\u00e1t tri\u1ec3n k\u1ef9 n\u0103ng c\u00e1 nh\u00e2n.\" \/>\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\/tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u A-Z trong 9 b\u01b0\u1edbc\" \/>\n<meta property=\"og:description\" content=\"Trong th\u1eddi \u0111\u1ea1i c\u00f4ng ngh\u1ec7 ng\u00e0y nay, Android, v\u1edbi h\u00e0ng tri\u1ec7u \u1ee9ng d\u1ee5ng \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 s\u1eed d\u1ee5ng, l\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh chi\u1ebfm th\u1ecb ph\u1ea7n l\u1edbn nh\u1ea5t tr\u00ean th\u1ecb\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itviec.com\/blog\/tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau\/\" \/>\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=\"2024-05-21T09:12:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-06-20T10:01:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/05\/tu-hoc-lap-trinh-android-cho-nguoi-moi-bat-dau-thumbnail-vippro.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2850\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\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=\"36 ph\u00fat\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"T\u1ef1 h\u1ecdc l\u1eadp tr\u00ecnh Android cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u A-Z trong 9 b\u01b0\u1edbc - 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