[英]Flutter Navigator, Horizontal Transiation with PageRoutebuilder
我正在嘗試在 Flutter Navigator 小部件中強制進行水平轉換。 Navigator 使用平台 Default Transition 從一個屏幕到下一個屏幕。 在 iOS 中,過渡是從右到左。 從左到右彈出。 在 Android 中,它是從底部到頂部。 我相信解決方案是使用PageRouteBuilder ,但沒有運氣讓它工作。 我用 Navigator 小部件標記了該方法,我想用 PageRouteBuilder 修改該小部件以獲得所需的水平過渡。
Code Snippet 2,是我一直在嘗試制作但沒有運氣的轉換代碼。
import 'package:flutter/material.dart';
void main() => runApp(new MyApp());
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return new MaterialApp(
title: 'Flutter Demo',
theme: new ThemeData(
primarySwatch: Colors.blue,
),
home: new MyHomePage(title: 'Flutter Demo Home Page'),
initialRoute: "/",
routes: {
'/Second': (context) => SecondScreen(),
},
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => new _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
return new Scaffold(
appBar: new AppBar(
title: new Text(widget.title),
),
body: new Center(
child: new Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
ButtonMaterial02(),
new Text('NAV DEMO...',),
new Text('How do I get a Horizontal Transition in Android?',),
],
),
),
// This trailing comma makes auto-formatting nicer for build methods.
);
}
//================================================================
//================================================================
Padding ButtonMaterial02() {
return Padding(
padding: const EdgeInsets.all(18.0),
child: new MaterialButton(
onPressed: MatButton02_onPress,
child: new Text("Material Button 02"),
padding: EdgeInsets.all(50.0),
minWidth: double.infinity,
color: Theme.of(context).primaryColor,
),
);
}
// add Horizontal code here
void MatButton02_onPress() {
print(" MaterialButton02 onPressed...");
Navigator.pushNamed(context, '/Second');
//*************************************************
//*************************************************
// HOW do I replace the Navigator above to use
// PageRouteBuilder so I can force ANDROID to
// Transition Right to Left instead of BottomToTop?
//*************************************************
//*************************************************
}
}
//================================================================
//================================================================
class SecondScreen extends StatelessWidget {
@override
Widget build(BuildContext context) {
// TODO: implement build
return Scaffold(
appBar: AppBar(
title: Text("Second Screen"),
),
body: Center(
child: RaisedButton(
child: new Text("RETURN"),
onPressed: (){
Navigator.pop(context);
},
),
),
);
}
}
//================================================================
//================================================================
transitionsBuilder: (
BuildContext context,
Animation<double> animation,
Animation<double> secondaryAnimation,
Widget child) {
return SlideTransition(
position: new Tween<Offset>(
begin: const Offset(1.0, 0.0),
end: Offset.zero,
).animate(animation),
child: new SlideTransition(
position: new Tween<Offset>(
begin: Offset.zero,
end: const Offset(1.0, 0.0),
).animate(secondaryAnimation),
child: child,
),
);
},
);
Navigator.of(context).push('Second');
您對使用CupertinoPageRoute感興趣。 它從右到左動畫,旨在模仿 iOS 的過渡動畫。
按照此處的示例,將MaterialPageRoute
引用替換為CupertinoPageRoute
即可完成設置!
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