Navigator.pop
Navigator.pop(context) → bool
Navigator.of(context).pop()
açıklama
Önceki sayfaya geri dön.
konum
RaisedButton(
child: Text('İkinci Sayfa'),
onPressed: () {
Navigator.of(context).pop();
},
),parametreler
Navigator.pop(context) → bool // pop yap, true/ false ver : Navigator.of(context).pop();
örnek uygulama
import 'package:flutter/material.dart';
void main() {
runApp(MaterialApp(
title: 'Flutter',
home: FirstScreen(),
));
}
class FirstScreen extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text('First screen')),
body: Center(
child: RaisedButton(
child: Text(
'Go to second screen',
style: TextStyle(fontSize: 24),
),
onPressed: () {
_navigateToSecondScreen(context);
},
)
),
);
}
void _navigateToSecondScreen(BuildContext context) {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => SecondScreen(),
));
}
}
class SecondScreen extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text('Second screen')),
body: Center(
child: RaisedButton(
child: Text(
'Go back to first screen',
style: TextStyle(fontSize: 24),
),
onPressed: () {
_goBackToFirstScreen(context);
},
),
),
);
}
void _goBackToFirstScreen(BuildContext context) {
Navigator.pop(context);
}
}