getNoConnectionWidget.dart

Widget getNoConnectionWidget(){
    return Column(
      mainAxisSize: MainAxisSize.max,
      mainAxisAlignment: MainAxisAlignment.center,
      children: <Widget>[
        SizedBox(
          height: 60.0,
          child: new Container(
            decoration: new BoxDecoration(
              image: new DecorationImage(
                image: new AssetImage('assets/no-wifi.png'),
                fit: BoxFit.contain,
              ),
            ),
          ),
        ),

        new Text("No Internet Connection"),
        new FlatButton(
            color: Colors.red,
            child: new Text("Retry", style: TextStyle(color: Colors.white),),
            onPressed: () => asyncLoaderState.currentState.reloadState())
      ],
    );
  }