pop up button flutter code example
Example: pop up window flutter
import 'package:flutter/material.dart';
void main() {
runApp(new MaterialApp(home: new MyApp()));
}
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
final _formKey = GlobalKey<FormState>();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("Flutter"),
),
body: Center(
child: RaisedButton(
onPressed: () {
showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
content: Stack(
overflow: Overflow.visible,
children: <Widget>[
Positioned(
right: -40.0,
top: -40.0,
child: InkResponse(
onTap: () {
Navigator.of(context).pop();
},
child: CircleAvatar(
child: Icon(Icons.close),
backgroundColor: Colors.red,
),
),
),
Form(
key: _formKey,
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Padding(
padding: EdgeInsets.all(8.0),
child: TextFormField(),
),
Padding(
padding: EdgeInsets.all(8.0),
child: TextFormField(),
),
Padding(
padding: const EdgeInsets.all(8.0),
child: RaisedButton(
child: Text("Submitß"),
onPressed: () {
if (_formKey.currentState.validate()) {
_formKey.currentState.save();
}
},
),
)
],
),
),
],
),
);
});
},
child: Text("Open Popup"),
),
),
);
}
}