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feat: 两次退出确认

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This commit is contained in:
guozhigq
2023-08-30 09:18:34 +08:00
parent 52e44fb95b
commit fceb55aaa3
2 changed files with 63 additions and 46 deletions
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14
lib/pages/main/controller.dart
View File

@ -1,5 +1,6 @@
import 'dart:async';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:get/get.dart';
import 'package:flutter/material.dart';
import 'package:hive/hive.dart';
@ -53,6 +54,7 @@ class MainController extends GetxController {
final StreamController<bool> bottomBarStream =
StreamController<bool>.broadcast();
Box setting = GStrorage.setting;
DateTime? _lastPressedAt;
@override
void onInit() {
@ -61,4 +63,16 @@ class MainController extends GetxController {
Utils.checkUpdata();
}
}
Future<bool> onBackPressed(BuildContext context) {
if (_lastPressedAt == null ||
DateTime.now().difference(_lastPressedAt!) >
const Duration(seconds: 2)) {
// 两次点击时间间隔超过2秒，重新记录时间戳
_lastPressedAt = DateTime.now();
SmartDialog.showToast("再按一次退出Pili");
return Future.value(false); // 不退出应用
}
return Future.value(true); // 退出应用
}
}

95
lib/pages/main/view.dart
View File

@ -110,55 +110,58 @@ class _MainAppState extends State<MainApp> with SingleTickerProviderStateMixin {
MediaQuery.of(context).size.width * 9 / 16;
localCache.put('sheetHeight', sheetHeight);
localCache.put('statusBarHeight', statusBarHeight);
return Scaffold(
extendBody: true,
body: FadeTransition(
opacity: _fadeAnimation!,
child: SlideTransition(
position: Tween<Offset>(
begin: const Offset(0, 0.5),
end: Offset.zero,
).animate(
CurvedAnimation(
parent: _slideAnimation!,
curve: Curves.fastOutSlowIn,
reverseCurve: Curves.linear,
return WillPopScope(
onWillPop: () => _mainController.onBackPressed(context),
child: Scaffold(
extendBody: true,
body: FadeTransition(
opacity: _fadeAnimation!,
child: SlideTransition(
position: Tween<Offset>(
begin: const Offset(0, 0.5),
end: Offset.zero,
).animate(
CurvedAnimation(
parent: _slideAnimation!,
curve: Curves.fastOutSlowIn,
reverseCurve: Curves.linear,
),
),
child: PageView(
physics: const NeverScrollableScrollPhysics(),
controller: _pageController,
onPageChanged: (index) {
selectedIndex = index;
setState(() {});
},
children: _mainController.pages,
),
),
child: PageView(
physics: const NeverScrollableScrollPhysics(),
controller: _pageController,
onPageChanged: (index) {
selectedIndex = index;
setState(() {});
},
children: _mainController.pages,
),
),
),
bottomNavigationBar: StreamBuilder(
stream: _mainController.bottomBarStream.stream,
initialData: true,
builder: (context, AsyncSnapshot snapshot) {
return AnimatedSlide(
curve: Curves.easeInOutCubicEmphasized,
duration: const Duration(milliseconds: 1000),
offset: Offset(0, snapshot.data ? 0 : 1),
child: NavigationBar(
onDestinationSelected: (value) => setIndex(value),
selectedIndex: selectedIndex,
destinations: <Widget>[
..._mainController.navigationBars.map((e) {
return NavigationDestination(
icon: e['icon'],
selectedIcon: e['selectIcon'],
label: e['label'],
);
}).toList(),
],
),
);
},
bottomNavigationBar: StreamBuilder(
stream: _mainController.bottomBarStream.stream,
initialData: true,
builder: (context, AsyncSnapshot snapshot) {
return AnimatedSlide(
curve: Curves.easeInOutCubicEmphasized,
duration: const Duration(milliseconds: 1000),
offset: Offset(0, snapshot.data ? 0 : 1),
child: NavigationBar(
onDestinationSelected: (value) => setIndex(value),
selectedIndex: selectedIndex,
destinations: <Widget>[
..._mainController.navigationBars.map((e) {
return NavigationDestination(
icon: e['icon'],
selectedIcon: e['selectIcon'],
label: e['label'],
);
}).toList(),
],
),
);
},
),
),
);
}