我需要在flutter路由环境中初始化Fiberbese应用程序final Future<FirebaseApp> _initialization = Firebase.initializeApp(); initialRoute:<**Replace this with a string after future returns**>,SoundTester.Id :(context) => SoundT 浏览4提问于2021-02-13得票数 0 1回答 未处理异常-颤振 、 我刚开始在you...
body: FutureBuilder<void>( future: _initializeControllerFuture, builder: (context, snapshot) { if (snapshot.connectionState == ConnectionState.done) { return CameraPreview(_controller); } else { return const Center(child: CircularProgressIndicator()); } }, )具体要展示...
AI代码解释 classTodo{Todo(this.description,this.isCompleted);final bool isCompleted;final String description;}classTodosNotifierextendsStateNotifier<List<Todo>>{TodosNotifier():super([]);voidaddTodo(Todo todo){state=[...state,todo];}// TODO add other methods, such as "removeTodo", ...}final...
Future<Component> compileToKernel(Uri source, CompilerOptions options, {bool aot: false, bool useGlobalTypeFlowAnalysis: false, Map<String, String> environmentDefines, bool genBytecode: false, bool emitBytecodeSourcePositions: false, bool emitBytecodeAnnotations: false, bool dropAST: false, bool u...
class AuthService extends GetxService {Future<AuthService> init() async {// Initialize your class}} 在GetX中,Get.reset()方法用于清除所有的依赖项,包括GetxController和GetxService的实例。这个方法通常在你需要完全重置应用状态时使用,例如用户注销登录时。
await controller.initialize(); 获取最大和最小曝光偏移:我们可以使用 getMinExposureOffset 和 getMaxExposureOffset 方法来获取摄像头的最大和最小曝光偏移。这两个方法都返回一个 Future,表示异步获取曝光偏移。 minExposureOffset = await controller.getMinExposureOffset();maxExposureOffset = await controller.get...
Flutter框架层采用dart语言,在Dart中随处可见的异步代码,有大量的库函数返回的是Futrue对象,dart本身是单线程执行模型,dart应用在其主isolate执行应用的main()方法时开始运行,当main()执行完成后,主isolate所在线程再逐个处理队列中的任务,包括但不限于通过Future所创建的任务,但整个过程都运行在同一个单线程。
import'package:get_it/get_it.dart'as_i1;import'package:injectable/injectable.dart'as_i2;extensionGetItInjectableXon_i1.GetIt{// initializes the registration of main-scope dependencies inside of GetItFuture<_i1.GetIt>init({String?environment,_i2.EnvironmentFilter?environmentFilter,})async{finalgh...
Future<Map> initialize( String sdkkey, String secret, { String? apiServer, String? apiPrefix, String? cryptType, bool encryptServerData = false, bool disablePermission = false, String? userId, bool debug = false, bool bindAppletWithMainProcess = false, ...
Steps to reproduce 1)Create new Flutter project with macos option included 2)add path_provider: ^2.1.2 to dependency 3)run flutter pub get 4)Select MacOs(desktop) to run app 5)Run app Expected results Expected to run without any errors A...