iOS 只有视频横屏解决方法

• (UIInterfaceOrientationMask)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window {
  if ([NSStringFromClass([[[window subviews]lastObject] class]) isEqualToString:@"UITransitionView"]) {
  [[UIApplication sharedApplication]setStatusBarHidden:NO];
  return UIInterfaceOrientationMaskAll;
  //优酷 土豆 乐视 已经测试可以
  }
  return UIInterfaceOrientationMaskPortrait;
  }