Ios 在覆盖中找不到显示视图控制器-UIDatePicker
我使用以下代码显示覆盖视图(通过将其作为子视图添加到Ios 在覆盖中找不到显示视图控制器-UIDatePicker,ios,swift,uiviewcontroller,datepicker,Ios,Swift,Uiviewcontroller,Datepicker,我使用以下代码显示覆盖视图(通过将其作为子视图添加到窗口): 覆盖视图包含一个UIDatePicker。这段代码过去工作得很好。但是,现在我看到了以下错误: [Assert] Failed to find a presenting view controller for view (<_UIDatePickerIOSCompactView: 0x7fe8003288e0; frame = (0 0; 114 188.333); gestureRecognizers = <NSArra
窗口
):
覆盖视图包含一个UIDatePicker
。这段代码过去工作得很好。但是,现在我看到了以下错误:
[Assert] Failed to find a presenting view controller for view (<_UIDatePickerIOSCompactView: 0x7fe8003288e0; frame = (0 0; 114 188.333); gestureRecognizers = <NSArray: 0x600003bca3d0>; layer = <CALayer: 0x600003025a80>>) in window (<UIWindow: 0x7fe7fc436010; frame = (0 0; 390 844); autoresize = W+H; gestureRecognizers = <NSArray: 0x6000038918f0>; layer = <UIWindowLayer: 0x60000367d5c0>>). The interaction's view (or an ancestor) must have an associated view controller for presentation to work.
[Assert]在窗口()中找不到视图()的显示视图控制器。交互的视图(或祖先视图)必须有一个关联的视图控制器,才能使演示正常工作。
而UIDatePicker
看起来已损坏:
您似乎想要构建一个DatePicker控件,可以在应用程序中的任何地方使用。你能做的是
另外,你也可以把它作为CocoaPod发布 IOS14引入了UIDatePicker实例属性datePickerStyle{get}和preferredDatePickerStyle{set get}。您的“断开的”UIDatePicker似乎是新样式之一。如果您希望看到“wheel”外观,请尝试将perferredDatePickerStyle属性设置为UIDatePickerStyle.wheels。这可能是错误的原因,因为日期选择器压缩视图将与UTDatePickerStyle.compact样式相关联
[Assert] Failed to find a presenting view controller for view (<_UIDatePickerIOSCompactView: 0x7fe8003288e0; frame = (0 0; 114 188.333); gestureRecognizers = <NSArray: 0x600003bca3d0>; layer = <CALayer: 0x600003025a80>>) in window (<UIWindow: 0x7fe7fc436010; frame = (0 0; 390 844); autoresize = W+H; gestureRecognizers = <NSArray: 0x6000038918f0>; layer = <UIWindowLayer: 0x60000367d5c0>>). The interaction's view (or an ancestor) must have an associated view controller for presentation to work.