@ohos.data.preferences在App退出重启后,持久化数据丢失 非UI页面使用用户首选项时context如何获取 如何实现同步方式调用数据库接口? 首选项错误码:code:"401” err: Error: Parameter error. The type of 'value' must be ValueType. 如何排查问题 如何查看或导出持久化数据? 如何获知数据存储沙箱路径?
目前,Flutter有几种状态管理器。但是,它们中的大多数都涉及到使用ChangeNotifier来更新widget,这对于中大型应用的性能来说是一个很糟糕的方法。你可以在Flutter的官方文档中查看到,ChangeNotifier应该使用1个或最多2个监听器,这使得它们实际上无法用于任何中等或大型应用。 Get 并不是比任何其他状态管理器更好或更差,而...
@ohos.data.preferences在App退出重启后,持久化数据丢失 非UI页面使用用户首选项时如何获取context 如何实现同步方式调用数据库接口? 首选项错误码:code:"401” err: Error: Parameter error. The type of 'value' must be ValueType. 如何排查问题 如何查看或导出持久化数据? 如何获知数据存储沙箱路径?
#5 JsonCodec.decode (dart:convert/json.dart:216:41) #6 librariesFromJson (package:xconcordia/models/post.dart:3:68) #7 _HomePageState._getPosts.<anonymous closure> (package:xconcordia/views/home_page.dart:28:20) #8 State.setState (package:flutter/src/widgets/framework.dart:1114:30) #9...
stream), ); final stream = await (response.data as ResponseBody).stream.toList(); ...
stream), ); final stream = await (response.data as ResponseBody).stream.toList(); ...
var data = NewsPageListResponseEntity.fromJson(response.body); change(data, status: RxStatus.success()); } } } 这种方式确实简化了很多代码 GetController + Dio 这种方式就是之前Flutter 新闻客户端的写法,能复用原来的 dio 代码。 dio 基础类 ...
flutter_spinkit: ^4.1.2 firebase_database: ^3.1.3 google_maps_flutter: ^0.5.25 geolocator: ^5.3.0 intl: ^0.16.1 curved_navigation_bar: ^0.3.2 fluttertoast: ^4.0.1 url_launcher: ^5.4.2 dev_dependencies: flutter_test: sdk: flutter ...
stream_chat_persistence This package provides a persistence client for fetching and saving chat data locally. Stream Chat Persistence uses Moor as a disk cache. stream_chat_flutter_core This package provides business logic to fetch common things required for integrating Stream Chat into your applicatio...
(Icons.lock,color:Colors.black54,),),maxLength:6,keyboardType:TextInputType.number,),// Positioned// 1.页面按钮状态 -> 有状态组件如何设置页面状态// 2.倒计时逻辑 -> streamPositioned(right:10.0,child:CounterButton(active:_active,onPressed:()async{_changeFocus(focusNode);userService.sendCode(...