alertdialog flutter outside click disble
showDialog(
barrierDismissible: false, // <-- this
builder: ...
)alertdialog flutter outside click disble
showDialog(
barrierDismissible: false, // <-- this
builder: ...
)show dialog close flutter
BuildContext dialogContext; // <<----
showDialog(
context: context, // <<----
barrierDismissible: false,
builder: (BuildContext context) {
dialogContext = context;
return Dialog(
child: new Row(
mainAxisSize: MainAxisSize.min,
children: [
new CircularProgressIndicator(),
new Text("Loading"),
],
),
);
},
);
await _longOperation();
Navigator.pop(dialogContext); // <<----alertdialog flutter
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;
},
);
}flutter show dialog on start
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"),
));
}
}Copyright © 2021 Codeinu
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