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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
EDIT : No need of running the project, simply run the code in the new official Flutter online compiler DartPad. All the DartPad links are given along with the example.
Still want to run the 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.
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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),
),
|
|
Try this and more directly from DartPad
AppBar
| AppBar with Title | |
AppBar(
backgroundColor: Colors.red,
title: Text("Title",),
elevation: 4.0,
),
|  |
| AppBar with List of Actions | |
AppBar(
title: Text("Title"),
actions: [
IconButton(
icon: Icon(Icons.search),
onPressed: () {},
),
IconButton(
icon: Icon(Icons.add),
onPressed: () {},
),
],
),
|  |
| AppBar with Text and Icon Themes | |
AppBar(
backgroundColor: Colors.blueAccent,
title: Text("Title"),
actions: [
IconButton(
icon: 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: [
Text(
"Title",
style: TextStyle(fontSize: 18.0),
),
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: [
FlutterLogo(),
Padding(
padding: const EdgeInsets.only(left: 16.0),
child: 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: ShapeDecoration(
color: Colors.white,
shadows: [
BoxShadow(color: Colors.black, blurRadius: 15.0)
],
shape: 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: BoxDecoration(
color: Colors.yellow,
borderRadius: BorderRadius.circular(55.0),
border: Border.all(
width: 5.0,
color: Colors.red,
),
),
child: Center(child: const Text('Hello Flutter', textAlign: TextAlign.center)),
),
|
 |
| Container with alignment property | |
Container(
margin: EdgeInsets.all(20.0),
width: double.infinity,
height: 300.0,
color: Colors.red,
alignment: Alignment.topRight,
padding: EdgeInsets.all(20.0),
child: FlutterLogo(size: 100.0,),
),
|
 |
| Container with minWidth and maxWidth Box Constraints | |
Container(
margin: EdgeInsets.all(20.0),
constraints: BoxConstraints(
maxWidth: 400.0,
minWidth: 200.0
),
width: 50.0,
alignment: Alignment.topCenter,
child: Image.network('https://picsum.photos/500/400'),
),
|
 |
| Container with List of Box Shadow | |
Container(
height: 100.0,
width: 200.0,
decoration: BoxDecoration(
color: Colors.white,
boxShadow: [
BoxShadow(color: Colors.red, blurRadius: 12.0 ),
BoxShadow(color: Colors.green, blurRadius: 40.0)
]
),
)
|
 |
| Container with Image and Rounded Border | |
Container(
height: 200.0,
width: 200.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(20.0),
color: Colors.white,
image: DecorationImage(fit: BoxFit.cover,
image: NetworkImage('https://picsum.photos/200/300'))
),
)
|
 |
| Circular Container | |
Container(
height: 200.0,
width: 200.0,
alignment: Alignment.center,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(200.0),
color: Colors.green,
),
child: Text('Hello'),
)
|
 |
| Container with Horizontal Radius of left and right Radius | |
Container(
height: 200.0,
width: 200.0,
alignment: Alignment.center,
decoration: BoxDecoration(
borderRadius: BorderRadius.horizontal(
left: Radius.circular(20.0),
right: Radius.circular(80.0)
),
color: Colors.green,
),
child: Text('Hello'),
)
|
 |
| Container with Vertical Radius of top and bottom Radius | |
Container(
height: 200.0,
width: 200.0,
alignment: Alignment.center,
decoration: BoxDecoration(
borderRadius: BorderRadius.vertical(
top: Radius.circular(20.0),
bottom: Radius.circular(80.0)
),
color: Colors.green,
),
child: Text('Hello'),
)
|
 |
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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