Skip to content

Instantly share code, notes, and snippets.

@granoeste

granoeste/main.dart

Created October 8, 2020 04:11
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save granoeste/0e0fcb6f9ebeb89a7f4011d5ccc797cb to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save granoeste/0e0fcb6f9ebeb89a7f4011d5ccc797cb to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. granoeste created this gist Oct 8, 2020.
    129 changes: 129 additions & 0 deletions main.dart
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,129 @@
    import 'package:flutter/material.dart';

    void main() {
    runApp(MyApp());
    }

    class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
    return MaterialApp(
    title: 'Custom Dialog Demo',
    theme: ThemeData(
    primarySwatch: Colors.blue,
    ),
    home: MyHomePage(title: 'Custom Dialog Demo'),
    );
    }
    }

    class MyHomePage extends StatefulWidget {
    MyHomePage({Key key, this.title}) : super(key: key);
    final String title;

    @override
    _MyHomePageState createState() => _MyHomePageState();
    }

    class _MyHomePageState extends State<MyHomePage> {
    void _showDialog() {
    var height = MediaQuery.of(context).size.height;
    var width = MediaQuery.of(context).size.width;

    var minWidth = (width > 720 ? width * 0.50 : width * 0.70);

    showDialog(
    context: context,
    builder: (_) => SimpleDialog(
    contentPadding:
    EdgeInsets.symmetric(vertical: 8.0, horizontal: 16.0),
    children: <Widget>[
    CircleAvatar(
    child: Icon(Icons.alarm, size: 48.0), minRadius: 36.0),
    SizedBox(height: 8.0),
    ConstrainedBox(
    constraints: BoxConstraints(
    minWidth: minWidth,
    ),
    child: Column(
    children: [
    Text('TitleTitleTitleTitleTitle',
    style: Theme.of(context).textTheme.headline5),
    SizedBox(height: 8.0),
    Text(
    'DescriptionDescriptionDescriptionDescriptionDescriptionDescription',
    style: Theme.of(context).textTheme.bodyText1,
    ),
    SizedBox(height: 8.0),
    Container(
    padding: EdgeInsets.all(8.0),
    width: 200.0,
    color: Colors.lightBlue,
    child: Column(
    children: [
    Row(
    mainAxisAlignment: MainAxisAlignment.center,
    children: [
    SizedBox(width: 100.0, child: Text('height:')),
    Expanded(
    child: Text('$height',
    textAlign: TextAlign.right),
    ),
    ],
    ),
    Row(
    mainAxisAlignment: MainAxisAlignment.center,
    children: [
    SizedBox(width: 100.0, child: Text('width:')),
    Expanded(
    child: Text('$width',
    textAlign: TextAlign.right),
    ),
    ],
    ),
    Row(
    mainAxisAlignment: MainAxisAlignment.center,
    children: [
    SizedBox(
    width: 100.0, child: Text('minWidth:')),
    Expanded(
    child: Text('${minWidth.toStringAsFixed(1)}',
    textAlign: TextAlign.right),
    ),
    ],
    ),
    ],
    ),
    ),
    SizedBox(height: 8.0),
    Text(
    'AnnotationAnnotation',
    style: Theme.of(context).textTheme.headline4,
    ),
    RaisedButton(
    onPressed: () {},
    child: Text('OK'),
    shape: RoundedRectangleBorder(
    borderRadius: BorderRadius.all(Radius.circular(45.0)),
    ),
    ),
    ],
    ),
    ),
    ],
    ));
    }

    @override
    Widget build(BuildContext context) {
    return Scaffold(
    appBar: AppBar(title: Text(widget.title)),
    body: Container(),
    floatingActionButton: FloatingActionButton(
    onPressed: _showDialog,
    tooltip: 'ShowDialog',
    child: Icon(Icons.send),
    ),
    );
    }
    }