iphone uiimagepickercontroller subviews structure

gistfile1.m

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    UIView * previewView = [[[[[[[[[[self.picker.view // UILayoutContainerView
                                 subviews] objectAtIndex:0] // UINavigationTransitionView
                             subviews] objectAtIndex:0] // UIViewControllerWrapperView
                         subviews] objectAtIndex:0] // UIView
                     subviews] objectAtIndex:0] // PLCameraView
                 subviews] objectAtIndex:0]; // PLPreviewView
    [previewView touchesBegan:touches withEvent:event];
}