collapsible 0.1.0
collapsible: ^0.1.0 copied to clipboard
A widget that implicitly collapses and expands around its child by clipping it.
import 'package:flutter/material.dart';
import 'package:collapsible/collapsible.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Collapsible Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(title: 'Collapsible 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> {
bool _collapsed = false;
void _toggleCollapsible() {
_collapsed = !_collapsed;
setState(() {});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Collapsible(
child: MyWidget(),
collapsed: _collapsed,
axis: CollapsibleAxis.both,
),
),
floatingActionButton: FloatingActionButton(
onPressed: _toggleCollapsible,
child: Icon(_collapsed ? Icons.close_fullscreen : Icons.open_in_full),
),
);
}
}
class MyWidget extends StatelessWidget {
const MyWidget();
@override
Widget build(BuildContext context) {
final size = MediaQuery.of(context).size.shortestSide * 0.6;
final theme = Theme.of(context);
return Container(
width: size,
height: size,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(20.0),
color: theme.primaryColor,
),
child: Center(
child: Icon(
Icons.adjust,
size: size * 0.5,
color: theme.accentIconTheme.color,
),
),
);
}
}