适配flutter 3.16.0 PopScope部分实现回退

.github/workflows/flutter-web-deploy.yml

@@ -5,7 +5,7 @@ name: flutter_deer web deploy
 on:
   push:
     paths:
-      - 'pubspec.yaml'
+      - 'pubspec.yaml1'
 
 jobs:
   web_build_and_deploy:

ios/Podfile

@@ -2,7 +2,7 @@
 platform :ios, '11.0'
 
 # source 'https://github.com/CocoaPods/Specs.git'
-source 'https://mirrors.tuna.tsinghua.edu.cn/git/CocoaPods/Specs.git'
+# source 'https://mirrors.tuna.tsinghua.edu.cn/git/CocoaPods/Specs.git'
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
 

lib/mvp/base_page.dart

@@ -38,10 +38,11 @@ mixin BasePageMixin<T extends StatefulWidget, P extends BasePresenter> on State<
           barrierDismissible: false,
           barrierColor: const Color(0x00FFFFFF), // 默认dialog背景色为半透明黑色，这里修改为透明（1.20添加属性）
           builder:(_) {
-            return PopScope(
-              onPopInvoked: (_) {
+            return WillPopScope(
+              onWillPop: () async {
                 // 拦截到返回键，证明dialog被手动关闭
                 _isShowDialog = false;
+                return Future.value(true);
               },
               child: buildProgress(),
             );

lib/widgets/double_tap_back_exit_app.dart

@@ -25,19 +25,21 @@ class _DoubleTapBackExitAppState extends State<DoubleTapBackExitApp> {
 
   @override
   Widget build(BuildContext context) {
-    return PopScope(
-      canPop: _lastTime == null || DateTime.now().difference(_lastTime!) > widget.duration,
-      onPopInvoked: (didPop) {
-        if (!didPop) {
-          Toast.cancelToast();
-          /// 不推荐使用 `dart:io` 的 exit(0)
-          SystemNavigator.pop();
-        } else {
-          _lastTime = DateTime.now();
-          Toast.show('再次点击退出应用');
-        }
-      },
+    return WillPopScope(
+      onWillPop: _isExit,
       child: widget.child,
     );
   }
+
+  Future<bool> _isExit() async {
+    if (_lastTime == null || DateTime.now().difference(_lastTime!) > widget.duration) {
+      _lastTime = DateTime.now();
+      Toast.show('再次点击退出应用');
+      return Future.value(false);
+    }
+    Toast.cancelToast();
+    /// 不推荐使用 `dart:io` 的 exit(0)
+    await SystemNavigator.pop();
+    return Future.value(true);
+  }
 }