ABC of Flutter widgets. Intended for super beginners at Flutter. Play with 35+ examples given and get familiar with various basic widgets in Flutter.
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.
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), ), |
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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)), ), |  |
| 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, ), ), ], ), ), ), |
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| 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, ), ), ], ), ), ), |
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| 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, ), ), ], ), ), ), |
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Download Source Code of ABC of Flutter widgets on GitHub
https://github.com/PoojaB26/FlutterBasicWidgets
Provides the list of the opensource Flutter apps collection with GitHub repository.
