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: ≶Widget>[
          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: ≶Widget>[
          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: ≶Widget>[
              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: ≶Widget>[
            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: ≶Widget>[
          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>[
            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: ≶Widget>[
            Text("Column 1", style: bigStyle,),
            Text("Column 2", style: bigStyle,),
            Text("Column 3", style: bigStyle,)
          ],
        )
      
Column of different Widget children
      Column(
          children: ≶Widget>[
            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: ≶Widget>[
              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: ≶Widget>[
              Text("Parent Text 1"),
              Text("Parent Text 2"),
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceAround,
                children: ≶Widget>[
                  Text("Child Row Text 1"),
                  Text("Child Row Text 2")
                ],
              ),
            ],
          ),
      

Row

Simple Row of similar Text children
      Row(
            mainAxisSize: MainAxisSize.min,
            children: ≶Widget>[
              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: ≶Widget>[
              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: ≶Widget>[
              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: ≶Widget>[
              Text("Parent Text 1"),
              Text("Parent Text 2"),
              Column(
                mainAxisSize: MainAxisSize.min,
                mainAxisAlignment: MainAxisAlignment.spaceAround,
                children: ≶Widget>[
                  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: (){})
      ),
      

Stack

Stack of overlapping containers of reducing size
 
  Stack(
        children: ≶Widget>[
          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: ≶Widget>[
          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: ≶Widget>[
              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: ≶Widget>[
              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: ≶Widget>[
              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,
                ),
              ),
            ],
          ),
        ),
      ),