objective-c - 将 UIDatePicker 装入 UIActionSheet

Question

我试图让带有 UIButton 的 UIDatePicker 显示在 UIActionSheet 中。不幸的是，它被裁剪掉了，整个日期选择器不可见。我什至还没有尝试添加 UIButton。任何人都可以建议让整个视图正确适合吗？我不确定如何添加正确的尺寸，因为 UIActionSheet 似乎缺少-initWithFrame:类型构造函数。

UIActionSheet *menu = [[UIActionSheet alloc] initWithTitle:@"Date Picker" 
                                                  delegate:self
                                         cancelButtonTitle:@"Cancel"
                                    destructiveButtonTitle:nil
                                         otherButtonTitles:nil];

// Add the picker
UIDatePicker *pickerView = [[UIDatePicker alloc] init];
pickerView.datePickerMode = UIDatePickerModeDate;
[menu addSubview:pickerView];
[menu showInView:self.view];

[pickerView release];
[menu release];

我也尝试过类似的东西：

UIActionSheet *menu = [[UIActionSheet alloc] initWithFrame:CGRectMake(200.0, 200.0, 100.0f, 100.0f)];

坐标当然是不现实的，但它们似乎不会影响 UIActionSheet 的位置/大小。

score 43 · Accepted Answer

你可以使用这样的东西（调整坐标）：

    UIActionSheet *menu = [[UIActionSheet alloc] initWithTitle:@"Date Picker" 
                                                  delegate:self
                                         cancelButtonTitle:@"Cancel"
                                    destructiveButtonTitle:nil
                                         otherButtonTitles:nil];

    // Add the picker
    UIDatePicker *pickerView = [[UIDatePicker alloc] init];
    pickerView.datePickerMode = UIDatePickerModeDate;
    [menu addSubview:pickerView];
    [menu showInView:self.view];    
    [menu setBounds:CGRectMake(0,0,320, 500)];

    CGRect pickerRect = pickerView.bounds;
    pickerRect.origin.y = -100;
    pickerView.bounds = pickerRect;

    [pickerView release];
    [menu release];

但是您最好使用 UIDatePicker 和导航栏创建全屏视图。有关示例，请参阅 iPhone DevCenter 中的 UICatalog -> Pickers 示例。

score 18 · Accepted Answer

18

尝试添加以下行来解决禁用按钮问题

[menu sendSubviewToBack:pickerView];

于 2009-10-07T08:23:40.647 回答

score 17 · Accepted Answer

德米特里的回答几乎是正确的。但是，actionsheet 的框架太小，因此选择器底部附近的触摸将被忽略。我已经纠正了这些问题：

UIActionSheet *menu = [[UIActionSheet alloc] initWithTitle:@"Date Picker" 
                                                  delegate:self
                                         cancelButtonTitle:@"Cancel"
                                    destructiveButtonTitle:nil
                                         otherButtonTitles:@"OK",nil];    
// Add the picker
UIDatePicker *pickerView = [[UIDatePicker alloc] init];
pickerView.datePickerMode = UIDatePickerModeTime;
[menu addSubview:pickerView];
[menu showInView:_mainView];        

CGRect menuRect = menu.frame;
CGFloat orgHeight = menuRect.size.height;
menuRect.origin.y -= 214; //height of picker
menuRect.size.height = orgHeight+214;
menu.frame = menuRect;


CGRect pickerRect = pickerView.frame;
pickerRect.origin.y = orgHeight;
pickerView.frame = pickerRect;

[pickerView release];
[menu release];

score 8 · Accepted Answer

这对我有用

NSString *title = UIDeviceOrientationIsLandscape([UIDevice currentDevice].orientation) ? @"\n\n\n\n\n\n\n\n\n" : @"\n\n\n\n\n\n\n\n\n\n\n\n" ;
UIActionSheet *actionSheet = [[UIActionSheet alloc] 
                              initWithTitle:[NSString stringWithFormat:@"%@%@", title, NSLocalizedString(@"SelectADateKey", @"")]
                              delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:@"Ok", nil];
[actionSheet showInView:self.view];
UIDatePicker *datePicker = [[[UIDatePicker alloc] init] autorelease];
datePicker.datePickerMode = UIDatePickerModeDate;
[actionSheet addSubview:datePicker];

有点棘手，但它的工作原理！

score 7 · Accepted Answer

顶部按钮，底部选择器：

 UIActionSheet *menu = [[UIActionSheet alloc] initWithTitle:@"Date Picker" 
                                                  delegate:self
                                         cancelButtonTitle:@"Cancel"
                                    destructiveButtonTitle:nil
                                         otherButtonTitles:@"OK",nil];    
// Add the picker
UIDatePicker *pickerView = [[UIDatePicker alloc] init];
pickerView.datePickerMode = UIDatePickerModeTime;
[menu addSubview:pickerView];
[menu showInView:_mainView];        

CGRect menuRect = menu.frame;
menuRect.origin.y -= 214;
menuRect.size.height = 300;
menu.frame = menuRect;


CGRect pickerRect = pickerView.frame;
pickerRect.origin.y = 174;
pickerView.frame = pickerRect;

[pickerView release];
[menu release];

score 4 · Accepted Answer

确保在 UITabBarController 内部时在正确的视图中显示 UIActionSheet 以避免底部的交互性问题：

[actionSheet showInView:self.parentViewController.tabBarController.view];

score 3 · Accepted Answer

可能不直接回答具体问题（如何让 UIDatePicker 适合），但对于呈现 UIDatePicker（以及其他）的 UIActionSheet 的实现，请参阅ActionSheetPicker。从它的自述文件：

使用 PickerView 轻松呈现 ActionSheet，允许用户从多个不可变选项中进行选择。基于 mobilesafari 中的 HTML 下拉选项。

还：

一些代码源自 Marcio 在 Stack Overflow 上的帖子 [在操作表中添加 UIPickerView 和按钮 - 怎么样？]

即使一个人不使用代码，在你自己动手之前阅读它也是很好的。

更新：

此版本已弃用：改用ActionSheetPicker-3.0。

objective-c - 将 UIDatePicker 装入 UIActionSheet

7 回答 7

更新：

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