new Container( width: 100.00, height: 100.00, decoration: new BoxDecoration( image: new DecorationImage( image: ExactAssetImage('assets/example.png'), fit: BoxFit.fitHeight, ), ));
Container( height: 120.0, width: 120.0, decoration: BoxDecoration( image: DecorationImage( image: AssetImage( 'assets/assets/alucard.jpg'), fit: BoxFit.fill, ), shape: BoxShape.circle, ), )