How to navigate to ViewNote from another screen

[akshatAgain]

FlatButton(
              minWidth: 200,
              color: Colors.white,
              onPressed: () {
                Navigator.push(
                  context,
                  MaterialPageRoute(
                    builder: (context) => //ViewNote
                  ),
                );
              },
              child: Text(
                'Check your notes',
                style: TextStyle(color: Colors.blue),
              ),
            ),