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Basic Widgets Examples
This is aimed for complete beginners in Flutter, to get them acquainted with the various basic widgets in Flutter.
Run this project
- Fork this project.
- Rename the directory to "flutter_widgets" or something with all_lowercase_and_underscore. (Unfortunately Flutter doesnt like CamelCases)
- In your terminal, run
flutter create .This will create the android and iOS projects for you. - Run in your emulator or simulator.
OR you can always copy the examples from here and try it out in your apps.
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Examples
Text
| Play with Text properties and styles | |
Text(
"Hello Flutter It is Awesome WOW",
textAlign: TextAlign.right,
textDirection: TextDirection.ltr,
overflow: TextOverflow.ellipsis,
maxLines: 2,
style: TextStyle(
color: Colors.black,
fontSize: 50.0,
fontWeight: FontWeight.w200,
letterSpacing: 2.0,
wordSpacing: 40.0,
decoration: TextDecoration.overline,
decorationStyle: TextDecorationStyle.wavy),
),
|
|
AppBar
| AppBar with Title | |
AppBar(
backgroundColor: Colors.red,
title: new Text("Title",),
elevation: 4.0,
),
|  |
| AppBar with List of Actions | |
AppBar(
title: new Text("Title"),
actions: [
new IconButton(
icon: new Icon(Icons.search),
onPressed: () {},
),
new IconButton(
icon: new Icon(Icons.add),
onPressed: () {},
),
],
),
|  |
| AppBar with Text and Icon Themes | |
AppBar(
backgroundColor: Colors.blueAccent,
title: new Text("Title"),
actions: [
new IconButton(
icon: new Icon(Icons.search),
onPressed: () {},
),
],
iconTheme: IconThemeData(
color: Colors.white,
),
textTheme: TextTheme(
title: TextStyle(
color: Colors.white,
fontSize: 20.0
),
),
),
|  |
| AppBar with centered Title and Subtitle | |
AppBar(
automaticallyImplyLeading: false,
title: Center(
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.center,
children: [
new Text(
"Title",
style: TextStyle(fontSize: 18.0),
),
new Text(
"subtitle",
style: TextStyle(fontSize: 14.0),
),
],
),
),
),
|  |
| AppBar with Logo | |
AppBar(
automaticallyImplyLeading: false,
backgroundColor: Colors.yellow,
title: Row(
mainAxisAlignment: MainAxisAlignment.start,
mainAxisSize: MainAxisSize.max,
children: [
new FlutterLogo(),
Padding(
padding: const EdgeInsets.only(left: 16.0),
child: new Text(
"Title with image",
),
),
],
),
),
|  |
| Transparent AppBar | |
AppBar(
backgroundColor: Colors.transparent,
title: Text("Transparent AppBar"),
actions: [
IconButton(
icon: Icon(
Icons.search,
),
onPressed: () {},
)
],
),
|  |
Container
| Container with full-device sized Flutter Logo | |
Container(
height: MediaQuery.of(context).size.height,
width: MediaQuery.of(context).size.width,
margin: EdgeInsets.all(25.0),
decoration: FlutterLogoDecoration(),
),
|  |
| Container with shadow, border, and child | |
Container(
height: MediaQuery.of(context).size.height,
width: MediaQuery.of(context).size.width,
margin: EdgeInsets.all(25.0),
decoration: new ShapeDecoration(
color: Colors.white,
shadows: [
BoxShadow(color: Colors.black, blurRadius: 15.0)
],
shape: new Border.all(
color: Colors.red,
width: 8.0,
),
),
child: Center(child: const Text('Hello Flutter', textAlign: TextAlign.center)),
),
|  |
| Rounded rectangle containers with border | |
Container(
height: MediaQuery.of(context).size.height,
width: MediaQuery.of(context).size.width,
margin: EdgeInsets.all(25.0),
decoration: new BoxDecoration(
color: Colors.yellow,
borderRadius: new BorderRadius.circular(55.0),
border: new Border.all(
width: 5.0,
color: Colors.red,
),
),
child: Center(child: const Text('Hello Flutter', textAlign: TextAlign.center)),
),
|
 |
Column
| Simple Column of similar Text children | |
Column(
children: [
Text("Column 1", style: bigStyle,),
Text("Column 2", style: bigStyle,),
Text("Column 3", style: bigStyle,)
],
)
|  |
| Column of different Widget children | |
Column(
children: [
FlutterLogo(
size: 100.0,
colors: Colors.red,
),
Text("Column 2", style: bigStyle,),
Container(
color: Colors.green,
height: 100.0,
width: 100.0,
)
],
)
|  |
| Playing with MainAxisAlignment | |
Column(
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.spaceAround,
crossAxisAlignment: CrossAxisAlignment.end,
children: [
FlutterLogo(
size: 100.0,
colors: Colors.red,
),
Text("Child Two", style: bigStyle,),
Container(
color: Colors.blue,
height: 100.0,
width: 100.0,
)
],
),
|  |
| Column having Row as child | |
Column(
mainAxisSize: MainAxisSize.max,
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text("Parent Text 1"),
Text("Parent Text 2"),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text("Child Row Text 1"),
Text("Child Row Text 2")
],
),
],
),
|  |
Row
| Simple Row of similar Text children | |
Row(
mainAxisSize: MainAxisSize.min,
children: [
Text("Column 1", style: bigStyle,),
Text("Column 2", style: bigStyle,),
Text("Column 3", style: bigStyle,)
],
)
|  |
| Row with children of different Widgets | |
Row(
mainAxisSize: MainAxisSize.min,
children: [
FlutterLogo(
size: 100.0,
colors: Colors.red,
),
Text("Column 2", style: bigStyle,),
Container(
color: Colors.green,
height: 100.0,
width: 100.0,
)
],
)
|  |
| Playing with MainAxisAlignment | |
Row(
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.spaceBetween,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
FlutterLogo(
size: 100.0,
colors: Colors.red,
),
Text("Child Two", style: bigStyle,),
Container(
color: Colors.blue,
height: 100.0,
width: 100.0,
)
],
),
|  |
| Row having Column as child | |
Row(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text("Parent Text 1"),
Text("Parent Text 2"),
Column(
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text("Child Row Text 1"),
Text("Child Row Text 2")
],
),
],
),
|  |
Buttons
RaisedButton(
onPressed: (){},
color: Colors.yellow,
disabledTextColor: Colors.grey,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(20.0)
),
elevation: 20.0,
splashColor: Colors.green,
highlightColor: Colors.red,
highlightElevation: 1.0,
child: Text("Raised Button"),
),
|  |
MaterialButton(
minWidth: 250.0,
onPressed: (){},
colorBrightness: Brightness.dark,
color: Colors.deepPurpleAccent,
elevation: 20.0,
splashColor: Colors.green,
//highlightColor: Colors.red,
highlightElevation: 1.0,
child: Text("Material Button"),
),
|  |
FlatButton(
onPressed: (){},
colorBrightness: Brightness.dark,
color: Colors.deepPurpleAccent,
splashColor: Colors.green,
highlightColor: Colors.red,
child: Text("Raised Button"),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.horizontal(
left: Radius.circular(20.0), right: Radius.circular(1.0))
),
),
|  |
OutlineButton(
onPressed: (){},
borderSide: BorderSide(
width: 5.0,
color: Colors.deepPurpleAccent
),
color: Colors.deepPurpleAccent,
highlightedBorderColor: Colors.purple,
splashColor: Colors.green,
//highlightColor: Colors.red,
child: Text("Raised Button"),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(
top: Radius.circular(20.0), bottom: Radius.circular(1.0))
),
),
|  |
IconButton(
color: Colors.purple,
splashColor: Colors.yellow,
// highlightColor: Colors.red,
icon: Icon(Icons.build, size: 40.0,),
onPressed: (){})
),
|  |
Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
FloatingActionButton(
backgroundColor: Colors.orange,
child: Icon(Icons.mic, size: 30.0, color: Colors.white,),
onPressed: (){}),
FloatingActionButton(
mini: true,
backgroundColor: Colors.green,
child: Icon(Icons.mic, size: 30.0, color: Colors.white,),
onPressed: (){}),
],
)
),
|  |
Stack
| Stack of overlapping containers of reducing size | |
Stack(
children: [
Container(
height: 300.0,
width: 300.0,
color: Colors.red,
),
Container(
height: 250.0,
width: 250.0,
color: Colors.green,
),
Container(
height: 200.0,
width: 200.0,
color: Colors.yellow,
)
],
),
|
|
| Playing with Alignment property | |
Stack(
alignment: Alignment.center,
children: [
Container(
height: 300.0,
width: 300.0,
color: Colors.red,
),
Container(
height: 250.0,
width: 250.0,
color: Colors.green,
),
Container(
height: 200.0,
width: 200.0,
color: Colors.yellow,
)
],
),
|
|
| One child on top of another using Positioned | |
Container(
height: 400.0,
//color: Colors.yellow,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Stack(
alignment: Alignment.center,
children: [
Container(
height: 300.0,
width: 300.0,
color: Colors.red,
),
Positioned(
top: 0.0,
child: Container(
height: 250.0,
width: 250.0,
color: Colors.green,
),
),
],
),
),
),
|
|
| Playing with Positioned properties | |
Container(
height: 400.0,
//color: Colors.yellow,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Stack(
alignment: Alignment.center,
children: [
Container(
height: 300.0,
width: 300.0,
color: Colors.red,
),
Positioned(
top: 0.0,
bottom: 0.0,
child: Container(
height: 250.0,
width: 250.0,
color: Colors.green,
),
),
],
),
),
),
|
|
| Playing with Positioned | |
Container(
height: 400.0,
width: 350.0,
//color: Colors.yellow,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Stack(
alignment: Alignment.center,
children: [
Container(
height: 300.0,
width: 200.0,
color: Colors.red,
),
Positioned(
right: 0.0,
child: Container(
height: 250.0,
width: 150.0,
color: Colors.green,
),
),
],
),
),
),
|
|
Contributors
Pooja Bhaumik
Getting Started
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