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我已经阅读了堆栈上的几个类似问题，但到目前为止似乎没有一个答案适合。因此，它一定是非常明显的事情，一旦得到答复，我将不得不鞭打自己。

该代码在 iPhone 上运行良好，但在 iPad 上运行良好，操作表几乎没有高度。没有工具栏，它是由普通的 UIButton 触发的。我已经考虑过弹出框，但是这是一个通用应用程序，因此我宁愿不要为 iPhone 和 iPad 重新编写相同的代码两次，并尝试使应用程序尽可能轻巧。

我试过 showFromRect 和 showFromTabbar。

谢谢

代码：

    -(IBAction) setDateTime:(id) sender {

        dateSheet = [[UIActionSheet alloc] initWithTitle:nil delegate:nil cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil];   
        [dateSheet setActionSheetStyle:UIActionSheetStyleBlackTranslucent];

        CGRect pickerFrame = CGRectMake(0, 44, 0, 0);

        UIDatePicker *appointmentDayPicker = [[UIDatePicker alloc] initWithFrame:pickerFrame];

        [appointmentDayPicker setDatePickerMode:UIDatePickerModeDateAndTime];

        [dateSheet addSubview:appointmentDayPicker];
        [appointmentDayPicker release];

         UIToolbar *controlToolBar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, dateSheet.bounds.size.width, 44)];

        [controlToolBar setBarStyle:UIBarStyleBlack];
        [controlToolBar sizeToFit];

        UIBarButtonItem *spacer = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];

        UIBarButtonItem *setButton = [[UIBarButtonItem alloc] initWithTitle:@"Set" style:UIBarButtonItemStyleDone target:self action:@selector(dismissDateSet)];

        UIBarButtonItem *cancelButton = [[UIBarButtonItem alloc] initWithTitle:@"Cancel" style:UIBarButtonItemStyleBordered target:self action:@selector(cancelDateSet)];

       [controlToolBar setItems:[NSArray arrayWithObjects:spacer, cancelButton,setButton, nil] animated:NO];
       [spacer release];
       [setButton release];
       [cancelButton release];

       [dateSheet addSubview:controlToolBar];
       [controlToolBar release];

       if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
           [dateSheet showFromRect:CGRectMake(100,100, 320, 485) inView:self.view animated:YES];
           [dateSheet setBounds:CGRectMake(0, 0, 200, 485)];
       } else {
           [dateSheet showInView:self.view];
           [dateSheet setBounds:CGRectMake(0, 0, 320, 485)];
       }
    }

编辑：添加图片

在此处输入图像描述

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