72 lines
2.1 KiB
Dart
72 lines
2.1 KiB
Dart
import 'package:flutter/material.dart';
|
||
import 'package:flutter_riverpod/flutter_riverpod.dart';
|
||
|
||
import 'package:im_app/core/ui/base/app_theme.dart';
|
||
import 'package:im_app/app/di/app_providers.dart';
|
||
import 'package:im_app/app/di/network_provider.dart';
|
||
import 'package:im_app/app/router/app_router.dart';
|
||
|
||
/// 应用根组件
|
||
///
|
||
/// 职责：
|
||
/// - 路由配置（go_router，含登录守卫）
|
||
/// - 主题配置（亮色 / 暗色 / 跟随系统）
|
||
/// - App 生命周期监听（前后台切换 → WebSocket 断连/重连）
|
||
/// - 启动初始化（[AppInitializer] 两阶段串行队列）
|
||
///
|
||
/// ## 启动初始化
|
||
///
|
||
/// 通过 [appInitializerProvider] 声明任务，两阶段串行执行：
|
||
/// - Critical：首帧前，只放必须阻塞的任务
|
||
/// - Deferred：首帧后，不争抢资源、不卡 UI
|
||
///
|
||
/// 详见 [AppInitializer] 文档。
|
||
class IMApp extends ConsumerStatefulWidget {
|
||
const IMApp({super.key});
|
||
|
||
@override
|
||
ConsumerState<IMApp> createState() => _IMAppState();
|
||
}
|
||
|
||
class _IMAppState extends ConsumerState<IMApp> with WidgetsBindingObserver {
|
||
@override
|
||
void initState() {
|
||
super.initState();
|
||
WidgetsBinding.instance.addObserver(this);
|
||
ref.read(appInitializerProvider).run();
|
||
}
|
||
|
||
@override
|
||
void dispose() {
|
||
WidgetsBinding.instance.removeObserver(this);
|
||
super.dispose();
|
||
}
|
||
|
||
@override
|
||
void didChangeAppLifecycleState(AppLifecycleState state) {
|
||
final socketManager = ref.read(socketManagerProvider);
|
||
|
||
switch (state) {
|
||
case AppLifecycleState.resumed:
|
||
socketManager.onEnterForeground();
|
||
case AppLifecycleState.paused:
|
||
socketManager.onEnterBackground();
|
||
case AppLifecycleState.inactive:
|
||
case AppLifecycleState.detached:
|
||
case AppLifecycleState.hidden:
|
||
break;
|
||
}
|
||
}
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
return MaterialApp.router(
|
||
title: 'IM App', // TODO: 接入国际化
|
||
theme: AppTheme.theme,
|
||
darkTheme: AppTheme.darkTheme,
|
||
themeMode: ref.watch(themeModeProvider),
|
||
routerConfig: ref.watch(routerProvider),
|
||
);
|
||
}
|
||
}
|