AlertDialog(
title: const Text('AlertDialog Title'),
content: const Text('this is a demo alert diolog'),
actions: <Widget>[
TextButton(
child: const Text('Approve'),
onPressed: () {
Navigator.of(context).pop();
},
),
],
);showAlertDialog(BuildContext context) {
// set up the button
Widget okButton = FlatButton(
child: Text("OK"),
onPressed: () { },
);
// set up the AlertDialog
AlertDialog alert = AlertDialog(
title: Text("My title"),
content: Text("This is my message."),
actions: [
okButton,
],
);
// show the dialog
showDialog(
context: context,
builder: (BuildContext context) {
return alert;
},
);
}showCupertinoDialog(
context: context,
builder: (BuildContext context) =>
CupertinoAlertDialog(
content: Text(
'Hiiii You are Welcome'),
actions: <Widget>[
CupertinoButton(
child: Text('Okay'),
onPressed: () {
Navigator.pop(context);
})
],
));import 'dart:async';
import 'package:flutter/material.dart';
void main() {
runApp(new MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Trial',
home: Scaffold(
appBar: AppBar(title: Text('List scroll')), body: new MyHome()));
}
}
class MyHome extends StatelessWidget { // Wrapper Widget
@override
Widget build(BuildContext context) {
Future.delayed(Duration.zero, () => showAlert(context));
return Container(
child: Text("Hello world"),
);
}
void showAlert(BuildContext context) {
showDialog(
context: context,
builder: (context) => AlertDialog(
content: Text("hi"),
));
}
}