title: UIPopoverController for iphone in ios8 shows white screen
body: <p>Using UIPopovercontroller below ios8.0 in iphone working fine with this code. But in ios8 it display white screen.</p>
  
  <p>Code : </p>
  
  <pre><code>pickerController = [[UIViewController alloc] init];
  UIView *viewV = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 150, 160)];
  [viewV setBackgroundColor:[UIColor clearColor]];
  popOverController = [[UIPopoverController alloc] initWithContentViewController:pickerController];
  popOverController.popoverContentSize = CGSizeMake(150, 160);
  [popOverController setDelegate:self];
  
  CGRect ImageBtnFrame = [self.view convertRect:sender.frame fromView:self.view];       
  [popOverController presentPopoverFromRect:ImageBtnFrame inView:self.view permittedArrowDirections:UIPopoverArrowDirectionUp animated:YES];
  </code></pre>
  
  <p>Any alternative for ios8, need suggestion.</p>