  <MBProgressHUD>A third party framework, impact,PopoverView Cause don't show. solve: [[[[UIApplication sharedApplication] keyWindow] subviews] lastObject]; Switch to: topView = [UIApplication sharedApplication].keyWindow
A third party framework, impact,PopoverView Cause don't show.
solve:
[[[[UIApplication sharedApplication] keyWindow] subviews] lastObject];
Switch to:
topView = [UIApplication sharedApplication].keyWindow