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Getx - Sample SuperController and FullLifeCycleController
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| import 'package:flutter/material.dart'; | |
| import 'package:get/get.dart'; | |
| void main() { | |
| runApp(GetMaterialApp( | |
| initialRoute: '/home', | |
| getPages: [ | |
| GetPage( | |
| name: '/home', | |
| page: () => HomePage(), | |
| binding: HomeBinding(), | |
| ), | |
| GetPage( | |
| name: '/city', | |
| page: () => CityPage(), | |
| binding: CityBinding(), | |
| ), | |
| ], | |
| )); | |
| } | |
| class HomePage extends StatelessWidget { | |
| @override | |
| Widget build(BuildContext context) { | |
| return Scaffold( | |
| appBar: AppBar(title: Text('HOME')), | |
| body: Center( | |
| child: ElevatedButton( | |
| onPressed: () => Get.toNamed('/city'), | |
| child: Text('Go to Cities'), | |
| ), | |
| ), | |
| ); | |
| } | |
| } | |
| class HomeBinding extends Bindings { | |
| @override | |
| void dependencies() { | |
| Get.put(HomeController()); | |
| } | |
| } | |
| class HomeController extends FullLifeCycleController with FullLifeCycle { | |
| // Mandatory | |
| @override | |
| void onDetached() { | |
| print('HomeController - onDetached called'); | |
| } | |
| // Mandatory | |
| @override | |
| void onInactive() { | |
| print('HomeController - onInative called'); | |
| } | |
| // Mandatory | |
| @override | |
| void onPaused() { | |
| print('HomeController - onPaused called'); | |
| } | |
| // Mandatory | |
| @override | |
| void onResumed() { | |
| print('HomeController - onResumed called'); | |
| } | |
| // Optional | |
| @override | |
| Future<bool> didPushRoute(String route) { | |
| print('HomeController - the route $route will be open'); | |
| return super.didPushRoute(route); | |
| } | |
| // Optional | |
| @override | |
| Future<bool> didPopRoute() { | |
| print('HomeController - the current route will be closed'); | |
| return super.didPopRoute(); | |
| } | |
| // Optional | |
| @override | |
| void didChangeMetrics() { | |
| print('HomeController - the window size did change'); | |
| super.didChangeMetrics(); | |
| } | |
| // Optional | |
| @override | |
| void didChangePlatformBrightness() { | |
| print('HomeController - platform change ThemeMode'); | |
| super.didChangePlatformBrightness(); | |
| } | |
| } | |
| class CityBinding extends Bindings { | |
| @override | |
| void dependencies() { | |
| Get.lazyPut(() => CityProvider()); | |
| Get.put(CityController(cityProvider: Get.find())); | |
| } | |
| } | |
| class CityModel { | |
| CityModel({ | |
| required this.abbreviation, | |
| required this.name, | |
| }); | |
| String abbreviation; | |
| String name; | |
| factory CityModel.fromJson(Map<String, dynamic> json) => CityModel( | |
| abbreviation: json["sigla"], | |
| name: json["nome"], | |
| ); | |
| static List<CityModel> listFromJson(list) => | |
| List<CityModel>.from(list.map((x) => CityModel.fromJson(x))); | |
| } | |
| class CityController extends SuperController<List<CityModel>> { | |
| final CityProvider cityProvider; | |
| CityController({required this.cityProvider}); | |
| @override | |
| void onInit() { | |
| findAllCities(); | |
| super.onInit(); | |
| } | |
| void findAllCities() { | |
| cityProvider.getCity().then((result) { | |
| // List<CityModel> data = CityModel.listFromJson(result); | |
| List<CityModel>? data = result.body; | |
| //print(result); | |
| change(data, status: RxStatus.success()); | |
| }, onError: (err) { | |
| change(null, status: RxStatus.error(err.toString())); | |
| }); | |
| } | |
| // Mandatory | |
| @override | |
| void onDetached() { | |
| print('CityController - onDetached called'); | |
| } | |
| // Mandatory | |
| @override | |
| void onInactive() { | |
| print('CityController - onInative called'); | |
| } | |
| // Mandatory | |
| @override | |
| void onPaused() { | |
| print('CityController - onPaused called'); | |
| } | |
| // Mandatory | |
| @override | |
| void onResumed() { | |
| print('CityController - onResumed called'); | |
| } | |
| } | |
| class CityProvider extends GetConnect { | |
| @override | |
| void onInit() { | |
| // All request will pass to jsonEncode so CasesModel.fromJson() | |
| httpClient.defaultDecoder = CityModel.listFromJson; | |
| httpClient.addRequestModifier<void>((request) { | |
| request.headers['Authorization'] = 'Bearer sdfsdfgsdfsdsdf12345678'; | |
| return request; | |
| }); | |
| } | |
| Future<Response<List<CityModel>>> getCity() => get<List<CityModel>>( | |
| 'https://servicodados.ibge.gov.br/api/v1/localidades/estados', | |
| decoder: CityModel.listFromJson); | |
| } | |
| class CityPage extends GetView<CityController> { | |
| @override | |
| Widget build(BuildContext context) { | |
| return Scaffold( | |
| appBar: AppBar(title: Text('Cities')), | |
| body: Container( | |
| child: controller.obx( | |
| (state) => ListView.builder( | |
| itemCount: state?.length, | |
| itemBuilder: (context, index) { | |
| return Text(state?[index].name ?? ''); | |
| }, | |
| ), | |
| onLoading: Center(child: CircularProgressIndicator()), | |
| onError: (error) => Center( | |
| child: Text( | |
| 'Error: $error', | |
| style: TextStyle(fontSize: 18), | |
| textAlign: TextAlign.center, | |
| ), | |
| ), | |
| ), | |
| ), | |
| ); | |
| } | |
| } |
What is the best extension for visual studio code from json function net working in VS CODE
p.s. this is for the app lifecycle, not for the widget lifecycle. Just point it out in case someone thought this is for widget lifecycle recording
invalid
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不好使