add new dart file

flutter_demo_counter/flutter_demo_counter/lib/ArguementRoute.dart

@@ -0,0 +1,17 @@
+import 'package:flutter/material.dart';
+class ArguementRoute extends StatelessWidget{
+  @override
+  Widget build(BuildContext context) {
+    var arguement=ModalRoute.of(context).settings.arguments;
+    return Scaffold(
+      appBar: AppBar(
+        title: Text("back"),
+      ),
+
+      body: Center(
+        child: Text(arguement),
+      ),
+    );
+  }
+
+}

flutter_demo_counter/flutter_demo_counter/lib/NewRoute.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/material.dart';
+
+class NewRoute extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    // TODO: implement build
+    return Scaffold(
+      appBar: AppBar(title: Text("Second Page")),
+      body: Center(
+        child: Text("this is a second new page"),
+      ),
+    );
+  }
+}

flutter_demo_counter/flutter_demo_counter/lib/TipRoute.dart

@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+
+class TipRoute extends StatelessWidget {
+  TipRoute({Key key, @required this.text}) : super(key: key);
+
+  final String text;
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('back'),
+      ),
+      body: Padding(
+        padding: EdgeInsets.all(18),
+        child: Center(
+          child: Column(
+            children: <Widget>[
+              Text(text),
+              RaisedButton(
+                child: Text('返回'),
+                onPressed: () => Navigator.of(context).pop('我是TipRoute页面的返回值'),
+              )
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

flutter_demo_counter/flutter_demo_counter/lib/main.dart

@@ -1,111 +1,77 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_demo_counter/ArguementRoute.dart';
+import 'package:flutter_demo_counter/NewRoute.dart';
+import 'package:flutter_demo_counter/TipRoute.dart';
 
 void main() => runApp(MyApp());
 
 class MyApp extends StatelessWidget {
-  // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
       title: 'Flutter Demo',
       theme: ThemeData(
-        // This is the theme of your application.
-        //
-        // Try running your application with "flutter run". You'll see the
-        // application has a blue toolbar. Then, without quitting the app, try
-        // changing the primarySwatch below to Colors.green and then invoke
-        // "hot reload" (press "r" in the console where you ran "flutter run",
-        // or simply save your changes to "hot reload" in a Flutter IDE).
-        // Notice that the counter didn't reset back to zero; the application
-        // is not restarted.
         primarySwatch: Colors.blue,
       ),
+      routes: {
+        "new_route": (context) => NewRoute(),
+        "tip_route": (context) => TipRoute(),
+        "arguement_route": (context) => ArguementRoute(),
+      },
       home: MyHomePage(title: 'Flutter Demo Home Page'),
     );
   }
 }
 
 class MyHomePage extends StatefulWidget {
   MyHomePage({Key key, this.title}) : super(key: key);
-
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
   final String title;
 
   @override
   _MyHomePageState createState() => _MyHomePageState();
 }
 
 class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
-
   @override
   Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
     return Scaffold(
       appBar: AppBar(
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
         title: Text(widget.title),
       ),
       body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
         child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Invoke "debug painting" (press "p" in the console, choose the
-          // "Toggle Debug Paint" action from the Flutter Inspector in Android
-          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
-          // to see the wireframe for each widget.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
           mainAxisAlignment: MainAxisAlignment.center,
           children: <Widget>[
-            Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.display1,
+            FlatButton(
+              child: Text("open new page"),
+              textColor: Colors.blue,
+              onPressed: () {
+                Navigator.pushNamed(context, "new_route");
+              },
             ),
+            FlatButton(
+                textColor: Colors.red,
+                child: Text('open TipRoute'),
+                onPressed: () async {
+                  var result = await Navigator.push(context, MaterialPageRoute(
+                    builder: (context) {
+                      return TipRoute(
+                        text: "我是提示xxxx",
+                      );
+                    },
+                  ));
+
+                  print(result);
+                }),
+            FlatButton(
+              textColor: Colors.amber,
+              child: Text('open arguement route'),
+              onPressed: () => Navigator.pushNamed(context, 'arguement_route',
+                  arguments: 'hello, this is arguement from main.dart'),
+            )
           ],
         ),
       ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
     );
   }
 }

flutter_demo_counter/flutter_demo_counter/pubspec.yaml

@@ -23,6 +23,7 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^0.1.2
+  english_world: ^3.1.5
 
 dev_dependencies:
   flutter_test: