import 'package:flutter/material.dart';
void main() {
runApp(const MaterialApp(
title: "导航演示01",
home: FirstScreen(),
));
}
class FirstScreen extends StatelessWidget {
const FirstScreen({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text("导航页面")),
body: Center(
child: MaterialButton (
onPressed: () {
Navigator.push(context,
MaterialPageRoute(builder: (context) => const SecondScreen()));
},
color: Colors.blue,
textColor: Colors.white,
child: const Text("导航页面"),
),
),
);
}
}
class SecondScreen extends StatelessWidget {
const SecondScreen({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text("技术胖商品详情页")),
body: Center(
child: MaterialButton (
color: Colors.blue,
textColor: Colors.white,
child: const Text("查看商品详情页"),
onPressed: () {
Navigator.pop(context);
},
),
),
);
}
}
import 'package:flutter/material.dart';
void main() {
runApp(const MaterialApp(
title: '页面跳转返回数据',
home: FirstPage(),
));
}
class FirstPage extends StatelessWidget {
const FirstPage({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('找小姐姐要电话')),
body: const RouteButton(),
);
}
}
class RouteButton extends StatelessWidget {
const RouteButton({super.key});
@override
Widget build(BuildContext context) {
return MaterialButton(
color: Colors.blue,
textColor: Colors.white,
child: const Text('去找小姐姐'),
onPressed: () {
navigateToYoungLady(context);
},
);
}
navigateToYoungLady(BuildContext context) async {
final result = await Navigator.push(
context, MaterialPageRoute(builder: (context) => const YoungLady()));
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(result)));
}
}
class YoungLady extends StatelessWidget {
const YoungLady({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('我是小姐姐'),
),
body: Center(
child: Column(
children: <Widget>[
MaterialButton(
color: Colors.blue,
textColor: Colors.white,
onPressed: () {
Navigator.pop(context, '大长腿小姐姐:1870132537');
},
child: const Text('大长腿小姐姐'),
),
MaterialButton(
color: Colors.blue,
textColor: Colors.white,
onPressed: () {
Navigator.pop(context, '小蛮腰小姐姐:1554548457');
},
child: const Text('小蛮腰小姐姐'),
)
],
),
));
}
}