UIActionSheet, iOS7, iPad mini

// iPad miniでスクロール時に背景が残るバグ(iOS7)の対策
– (void)willPresentActionSheet:(UIActionSheet *)actionSheet
{
int count=0;
for (UIView *object in actionSheet.subviews) {
if ([[[object class] description] isEqualToString:@”UIView”]) {
count++;
if (count==2) {
object.backgroundColor = [UIColor whiteColor];
break;
}
}
}
}