gistfile1.m

self.imagePickerController = [[UIImagePickerController alloc] init];
[self.imagePickerController setDelegate:self];
[self presentModalViewController:self.imagePickerController animated:YES];

--

@interface MainViewController : UIViewController <UIImagePickerControllerDelegate> {

--

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
  NSLog(@"%s %@", _cmd, info);
}