Basic Widgets Examples

This is aimed for complete beginners in Flutter, to get them acquainted with the various basic widgets in Flutter.

Text

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( backgroundColor: Colors.red, title: new Text("Title",), elevation: 4.0, centerTitle: true, ),
AppBar( title: new Text("Title"), actions: [ new IconButton( icon: new Icon(Icons.search), onPressed: () {}, ), new IconButton( icon: new Icon(Icons.add), onPressed: () {}, ), ], ),
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( 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( 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", ), ), ], ), ),
AppBar( backgroundColor: Colors.transparent, title: Text("Transparent AppBar"), actions: [ IconButton( icon: Icon( Icons.search, ), onPressed: () {}, ) ], ),

Container

Container( height: MediaQuery.of(context).size.height, width: MediaQuery.of(context).size.width, margin: EdgeInsets.all(25.0), decoration: FlutterLogoDecoration(), ),
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)), ),
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

Column( children: [ Text("Column 1", style: bigStyle,), Text("Column 2", style: bigStyle,), Text("Column 3", style: bigStyle,) ], )
Column( children: [ FlutterLogo( size: 100.0, colors: Colors.red, ), Text("Column 2", style: bigStyle,), Container( color: Colors.green, height: 100.0, width: 100.0, ) ], )
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( 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

Row( mainAxisSize: MainAxisSize.min, children: [ Text("Column 1", style: bigStyle,), Text("Column 2", style: bigStyle,), Text("Column 3", style: bigStyle,) ], )
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, ) ], )
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( 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: (){}) ),

Contributors

Pooja Bhaumik

Getting Started

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