11

lib/main.dart

 import 'package:flutter/material.dart';
 import 'package:flutter/material.dart';
 
 
 main() {
 main() {
-  runApp(const MyApp());
+  runApp(MyApp());
 }
 }
 
 
 class MyApp extends StatelessWidget {
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      debugShowCheckedModeBanner: false,
+      home: Container(
+        child: Text("aaa"),
+      ),
+    );
+  }
+}
 
 
+class HomePage extends StatelessWidget {
+  List tabs = ["全部", "待付款", "點評/投票"];
   @override
   @override
   Widget build(BuildContext context) {
   Widget build(BuildContext context) {
-    return Container();
+    return new DefaultTabController(
+      length: tabs.length,
+      child: new Scaffold(
+        appBar: AppBar(
+          bottom: TabBar(
+              //生成Tab菜单
+              tabs: tabs.map((e) => Tab(text: e)).toList()),
+        ),
+        body: new TabBarView(
+          children: tabs.map((e) {
+            //分别创建对应的Tab页面
+            return Container(
+              alignment: Alignment.center,
+              child: Text(e, textScaleFactor: 5),
+            );
+          }).toList(),
+        ),
+      ),
+    );
   }
   }
 }
 }

test/widget_test.dart

-// This is a basic Flutter widget test.
-//
-// To perform an interaction with a widget in your test, use the WidgetTester
-// utility that Flutter provides. For example, you can send tap and scroll
-// gestures. You can also use WidgetTester to find child widgets in the widget
-// tree, read text, and verify that the values of widget properties are correct.
-
-import 'package:flutter/material.dart';
-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:flutter_one/main.dart';
-
-void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
-    // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
-
-    // Verify that our counter starts at 0.
-    expect(find.text('0'), findsOneWidget);
-    expect(find.text('1'), findsNothing);
-
-    // Tap the '+' icon and trigger a frame.
-    await tester.tap(find.byIcon(Icons.add));
-    await tester.pump();
-
-    // Verify that our counter has incremented.
-    expect(find.text('0'), findsNothing);
-    expect(find.text('1'), findsOneWidget);
-  });
-}