Question

Assigning to id<UINavigationControllerDelegate,UIImagePickerControllerDelegate> 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];

}

Answer 1

The documentation for UIImagePickerController says that the delegate must implement the UIImagePickerControllerDelegate protocol. Your CameraViewController either doesn’t implement this protocol, or doesn’t declare that it does so in its header.