new

Author: junwang

dialog_back_button/lib/page/navigator2/one_page.dart

@@ -1,11 +1,10 @@
 import 'package:dialog_back_button/component/common_title_widget.dart';
-import 'package:dialog_back_button/page/navigator2/two_page.dart';
+import 'package:dialog_back_button/page/navigator2/three_page.dart';
 import 'package:dialog_back_button/provider/app_state_manager_provider.dart';
 import 'package:dialog_back_button/route/app_router_util.dart';
 import 'package:dialog_back_button/route/index.dart';
 import 'package:dialog_back_button/util/page_util.dart';
 import 'package:flutter/material.dart';
-
 class OnePage extends StatefulWidget {
   @override
   State<StatefulWidget> createState() {
@@ -25,12 +24,39 @@ class _OnePageState extends State<OnePage> {
 
   Widget _buildBody() {
     return Center(
-      child: InkWell(
-        child: Text("goto two page"),
-        onTap: () {
-          AppRouterUtil.getAppState(context).currentAction =
-              PageAction(state: PageState.addPage, page: TwoPageConfig);
-        },
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          InkWell(
+            child: Text(
+              "goto two page",
+              style: TextStyle(
+                fontSize: 16,
+              ),
+            ),
+            onTap: () {
+              AppRouterUtil.getAppState(context).currentAction =
+                  PageAction(state: PageState.addPage, page: TwoPageConfig);
+            },
+          ),
+          SizedBox(
+            height: 20,
+          ),
+          InkWell(
+            child: Text(
+              "WillPopScope 失效",
+              style: TextStyle(
+                fontSize: 16,
+              ),
+            ),
+            onTap: () {
+              AppRouterUtil.getAppState(context).currentAction = PageAction(
+                  state: PageState.addWidget,
+                  widget: ThreePage(),
+                  page: PageConfiguration(key: threePath, path: threePath));
+            },
+          ),
+        ],
       ),
     );
   }

dialog_back_button/lib/page/navigator2/three_page.dart

@@ -0,0 +1,61 @@
+import 'package:dialog_back_button/component/common_title_widget.dart';
+import 'package:dialog_back_button/route/app_router_util.dart';
+import 'package:dialog_back_button/util/page_util.dart';
+import 'package:flutter/material.dart';
+
+class ThreePage extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return _ThreePageState();
+  }
+}
+
+class _ThreePageState extends State<ThreePage> {
+  @override
+  Widget build(BuildContext context) {
+    return PageUtil.buildPage(
+        _buildBody(),
+        CommonTitleWidget(
+          title: "Navigator 2.0 four Page",
+          leftClick: () {
+            AppRouterUtil.popPage(context);
+          },
+        ));
+  }
+
+  Widget _buildBody() {
+    return WillPopScope(
+        child: Center(
+          child: Text("WillPopScope 失效"),
+        ),
+        onWillPop: () {
+          return _showDialog();
+        });
+  }
+
+  Future<bool> _showDialog() async {
+    var result = await showDialog<bool>(
+      context: context,
+      builder: (context) => new AlertDialog(
+        title: new Text('Are you sure?'),
+        content: new Text('some tip'),
+        actions: <Widget>[
+          new GestureDetector(
+            onTap: () => Navigator.of(context).pop(false),
+            child: Text("NO"),
+          ),
+          SizedBox(height: 16),
+          new GestureDetector(
+            onTap: () => Navigator.of(context).pop(true),
+            child: Text("YES"),
+          ),
+        ],
+      ),
+    );
+    if (result == true) {
+      return Future.value(true);
+    } else {
+      return Future.value(false);
+    }
+  }
+}

dialog_back_button/lib/page/navigator2/two_page.dart

@@ -32,32 +32,6 @@ class _TwoPageState extends State<TwoPage> {
     );
   }
 
-  Future<bool> _showDialog() async {
-    var result = await showDialog<bool>(
-      context: context,
-      builder: (context) => new AlertDialog(
-        title: new Text('Are you sure?'),
-        content: new Text('some tip'),
-        actions: <Widget>[
-          new GestureDetector(
-            onTap: () => Navigator.of(context).pop(false),
-            child: Text("NO"),
-          ),
-          SizedBox(height: 16),
-          new GestureDetector(
-            onTap: () => Navigator.of(context).pop(true),
-            child: Text("YES"),
-          ),
-        ],
-      ),
-    );
-    if (result == true) {
-      return Future.value(true);
-    } else {
-      return Future.value(false);
-    }
-  }
-
   Future<bool> _onBackPressed() async {
     var result = await showDialog<bool>(
       context: context,

dialog_back_button/lib/route/ui_pages.dart

@@ -4,6 +4,8 @@ import 'index.dart';
 
 const String onePath = '/one';
 const String twoPath = '/two';
+const String threePath = '/three';
+const String fourPath = "/four";
 
 class PageConfiguration {
   final String key;