Assigning to 'id' from incompatible type 'CameraVIewController*''

Assigning to id from incompatible type CameraViewController* warning shows near picker.delegate = self; line

-(IBAction) getPhoto:(id) sender {
UIImagePickerController * picker = [[UIImagePickerController alloc] init];
picker.delegate = self;

if((UIButton *) sender == takePhoto) {
    picker.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;
} else {
    //picker.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;
   picker.sourceType = UIImagePickerControllerSourceTypeCamera;
}

[self presentModalViewController:picker animated:YES];

}