示例代码：

-(void)gearTapped:(UIButton *)sender{

    CGRect frameCord =[sender.superview convertRect:sender.frame toView:nil];
    if([App_UI_Helper is_iPad])
    {
        NSString *gearText ;
        if ([_equipmentDetailsDO.PrepRepair isEqualToString:@"1"]) {
            gearText = LocalizedString(@"text436",@"");

        }else{
           gearText = LocalizedString(@"text437",@"");

        }
        if (gearText.length > 0 ) {
            [APP_DELEGATE showPopup:frameCord textToDisplay:gearText];
            UIViewController *controller = [[UIViewController alloc] init];
            [controller.view addSubview:APP_DELEGATE.showView];

            [self setPopOverController:[[UIPopoverController alloc] initWithContentViewController:controller]];
            [_popOverController setDelegate:self];
            [_popOverController setPopoverContentSize:CGSizeMake(APP_DELEGATE.showView.frame.size.width,APP_DELEGATE.showView.frame.size.height)];
            [_popOverController presentPopoverFromRect:sender.frame inView:_detailsView permittedArrowDirections:UIPopoverArrowDirectionUp animated:YES];
        }
        else
            return;

    }
}