2 | 
3 |
4 | 
5 |
6 | # GteX Tutorial - [Udemy](https://www.udemy.com/course/2022-dart-flutter-master-class-zero-to-hero/)
7 |
8 | 
9 | GetX is one of the most popular state management solution in flutter.
10 | In addition to state management, GetX provides easy way to manage page routes.
11 |
12 | ## YouTube
13 |
14 | Video on [YouTube](https://www.youtube.com/watch?v=vIIBp6xJJeA)
15 |
16 | ## For [JSON Viewer Pro](https://chrome.google.com/webstore/detail/json-viewer-pro/eifflpmocdbdmepbjaopkkhbfmdgijcc)
17 |
18 | 
19 |
20 | 0. [GetX](https://jsonkeeper.com/b/B4WJ)
21 | 1. [Navigation](https://jsonkeeper.com/b/LU24)
22 | 2. [State Management](https://jsonkeeper.com/b/0OSR)
23 | 3. [GetX Controller](https://jsonkeeper.com/b/08T2)
24 | 4. [Dependency Management](https://jsonkeeper.com/b/ESXV)
25 | 5. [Translation](https://jsonkeeper.com/b/1E6M)
26 | 6. [Themes](https://jsonkeeper.com/b/9XMT)
27 | 7. [GetXService & GetView](https://jsonkeeper.com/b/Y2JV)
28 | 8. [GetWidget](https://jsonkeeper.com/b/4QJS)
29 | 9. [GetConnect](https://jsonkeeper.com/b/LC6P)
30 | 10. [GetX Pattern](https://jsonkeeper.com/b/TI0Z)
31 | 11. [Utils](https://jsonkeeper.com/b/K7O1)
32 |
33 | | No. | 40 |Name | 41 |Contents | 42 |Screenshots | 43 |
|---|---|---|---|
| 1 | 46 |Navigation | 47 |
48 | Get.to() 49 | Get.back() 50 | Get.off() 51 | Get.ofAll() 52 | Get.toNamed() 53 | Get.offNamed() 54 | Get.offAllNamed() 55 | |
56 |  |
57 |
| 2 | 60 |Reactive State Management | 61 |
62 | final name = ''.obs; 63 | final isLogged = false.obs; 64 | final count = 0.obs; 65 | final balance = 0.0.obs; 66 | final number = 0.obs; 67 | final items = 68 | final myMap = 69 | Obx(() =>Text('${count.value}')); 70 | onPressed: () => increment() 71 | |
72 |  |
73 |
| 3 | 76 |Simple State Management | 77 |
78 | class Controller extends GetxController {} 79 | static Controller get to => Get.find(); 80 | update(); 81 | GetBuilder 82 | init: Controller(), 83 | builder: (controller) => Text('${controller.counter}') 84 | |
85 |  |
86 |
| 4 | 89 |Reactive State Controller | 90 |
91 | GetX 92 | init: Controller(), 93 | builder: (controller) => Text() 94 | In 'Controller' class: 95 | final count = 0.obs; 96 | void increment() { 97 | count.value++; 98 | } 99 | void clearCount() { 100 | count.value = 0; 101 | } 102 | void onInit() { { 103 | super.onInit(); 104 | ever(count, (_)); 105 | everAll([count], (_)); 106 | once(count, (_)); 107 | debounce(count, (_)); 108 | interval(count, (_)) 109 | } 110 | |
111 |  |
112 |
| 5 | 115 |Simple State Controller | 116 |
117 | final controller = Get.put(Controller()); 118 | GetBuilder 119 | id: 'count1', 120 | builder: (controller) =>Text() 121 | In 'Controller' class: 122 | int count = 0; 123 | void increment() { 124 | count++; 125 | update(); 126 | } 127 | void clearCount() { 128 | count = 0; 129 | update(); 130 | } 131 | |
132 |  |
133 |
| 6 | 136 |Dependency Management | 137 |
138 | Instancing methods 139 | Get.put() 140 | Get.lazyPut() 141 | Get.putAsync() 142 | Get.create() 143 | Get.delete() 144 | Find controller 145 | final controller = Get.find< Controller>(); 146 | Controller controller = Get.find(); 147 | Alternate controller 148 | Get.replace() 149 | Get.lazyReplace() 150 | Binding 151 | void dependency(){} 152 | Named route > getPages > BindingBuilder() > void Function 153 | Named route 154 | initialBinding 155 | SmartManagement 156 | ✰ full 157 | onlyBuilder 158 | keepFactory 159 | |
160 |  |
161 |
| 7 | 164 |Internationalization | 165 |
166 | Custom class 167 | @override 168 | Map< String, Map< String, String>> get keys 169 | tr > Text('key'.tr) 170 | @key > trParams({'key':'value'}) 171 | translations 172 | Custom class that extends Translations 173 | locale 174 | Locale() 175 | Get.deviceLocale() 176 | Get.updateLocale() 177 | fallbackLocale 178 | Locale() 179 | |
180 |  |
181 |
| 8 | 184 |Change Theme | 185 |
186 | void main() async { 187 | await GetStorage.init(); 188 | runApp(const MyApp()); 189 | } 190 | Create theme file 191 | Config lightTheme & darkTheme 192 | Change theme dynamically 193 | Get.isDarkMode > bool 194 | Get.changeThemeMode() 195 | Get.changeTheme() 196 | Store them in local storage 197 | GetStorage() > read() & write() 198 | |
199 |  |
200 |
| 9 | 203 |GetX Service & GetView | 204 |
205 | void main() async { 206 | WidgetsFlutterBinding.ensureInitialized(); 207 | await initServices(); 208 | runApp(const MyApp()); 209 | } 210 | GetView< SettingsService> 211 | late SharedPreferences _prefs; 212 | final counter = 0.obs; 213 | |
214 |  |
215 |
270 | 
271 |
272 | ## Dependency Management using GetX
273 |
274 | 
275 |
276 | ## Internationalization/Translations using GetX
277 |
278 | For language code: `http://lingoes.net/en/translator/langcode.htm` 
282 |
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/analysis_options.yaml:
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1 | # This file configures the analyzer, which statically analyzes Dart code to
2 | # check for errors, warnings, and lints.
3 | #
4 | # The issues identified by the analyzer are surfaced in the UI of Dart-enabled
5 | # IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
6 | # invoked from the command line by running `flutter analyze`.
7 |
8 | # The following line activates a set of recommended lints for Flutter apps,
9 | # packages, and plugins designed to encourage good coding practices.
10 | include: package:flutter_lints/flutter.yaml
11 |
12 | linter:
13 | # The lint rules applied to this project can be customized in the
14 | # section below to disable rules from the `package:flutter_lints/flutter.yaml`
15 | # included above or to enable additional rules. A list of all available lints
16 | # and their documentation is published at
17 | # https://dart-lang.github.io/linter/lints/index.html.
18 | #
19 | # Instead of disabling a lint rule for the entire project in the
20 | # section below, it can also be suppressed for a single line of code
21 | # or a specific dart file by using the `// ignore: name_of_lint` and
22 | # `// ignore_for_file: name_of_lint` syntax on the line or in the file
23 | # producing the lint.
24 | rules:
25 | # avoid_print: false # Uncomment to disable the `avoid_print` rule
26 | # prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule
27 |
28 | # Additional information about this file can be found at
29 | # https://dart.dev/guides/language/analysis-options
30 |
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/android/.gitignore:
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1 | gradle-wrapper.jar
2 | /.gradle
3 | /captures/
4 | /gradlew
5 | /gradlew.bat
6 | /local.properties
7 | GeneratedPluginRegistrant.java
8 |
9 | # Remember to never publicly share your keystore.
10 | # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
11 | key.properties
12 | **/*.keystore
13 | **/*.jks
14 |
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/android/app/build.gradle:
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1 | def localProperties = new Properties()
2 | def localPropertiesFile = rootProject.file('local.properties')
3 | if (localPropertiesFile.exists()) {
4 | localPropertiesFile.withReader('UTF-8') { reader ->
5 | localProperties.load(reader)
6 | }
7 | }
8 |
9 | def flutterRoot = localProperties.getProperty('flutter.sdk')
10 | if (flutterRoot == null) {
11 | throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
12 | }
13 |
14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
15 | if (flutterVersionCode == null) {
16 | flutterVersionCode = '1'
17 | }
18 |
19 | def flutterVersionName = localProperties.getProperty('flutter.versionName')
20 | if (flutterVersionName == null) {
21 | flutterVersionName = '1.0'
22 | }
23 |
24 | apply plugin: 'com.android.application'
25 | apply plugin: 'kotlin-android'
26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
27 |
28 | android {
29 | namespace "com.example.getx_tutorial"
30 | compileSdkVersion flutter.compileSdkVersion
31 | ndkVersion flutter.ndkVersion
32 |
33 | compileOptions {
34 | sourceCompatibility JavaVersion.VERSION_1_8
35 | targetCompatibility JavaVersion.VERSION_1_8
36 | }
37 |
38 | kotlinOptions {
39 | jvmTarget = '1.8'
40 | }
41 |
42 | sourceSets {
43 | main.java.srcDirs += 'src/main/kotlin'
44 | }
45 |
46 | defaultConfig {
47 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
48 | applicationId "com.example.getx_tutorial"
49 | // You can update the following values to match your application needs.
50 | // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
51 | minSdkVersion flutter.minSdkVersion
52 | targetSdkVersion flutter.targetSdkVersion
53 | versionCode flutterVersionCode.toInteger()
54 | versionName flutterVersionName
55 | }
56 |
57 | buildTypes {
58 | release {
59 | // TODO: Add your own signing config for the release build.
60 | // Signing with the debug keys for now, so `flutter run --release` works.
61 | signingConfig signingConfigs.debug
62 | }
63 | }
64 | }
65 |
66 | flutter {
67 | source '../..'
68 | }
69 |
70 | dependencies {
71 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
72 | }
73 |
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/android/app/src/debug/AndroidManifest.xml:
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1 |