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작업은 텍스트 필드의 날짜를 선택하는 것입니다. iPad에서 개발되었으므로 UIPopover
을 사용합니다. 하지만 위에 두 개의 버튼이 필요합니다. 나는 그것을하려고하지만, 버튼이 표시되지 않습니다. 무엇이 문제가 될 수 있습니까?버튼이 보이지 않는 이유는 무엇입니까?
스크린 샷 참조하십시오
그리고 전체 코드 :
dateSheet = [[UIActionSheet alloc] initWithTitle:nil delegate:nil cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil];
[dateSheet setActionSheetStyle:UIActionSheetStyleBlackTranslucent];
CGRect pickerFrame = CGRectMake(0, 44, 0, 0);
UIDatePicker *dayPicker = [[UIDatePicker alloc] initWithFrame:pickerFrame];
[dayPicker setDatePickerMode:UIDatePickerModeDate];
[dateSheet addSubview:dayPicker];
[dayPicker release];
UIToolbar *controlToolBar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, dateSheet.bounds.size.width, 44)];
[controlToolBar setBarStyle:UIBarStyleBlackTranslucent];
[controlToolBar sizeToFit];
UIBarButtonItem *spacer = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
UIBarButtonItem *setButton;
setButton = [[UIBarButtonItem alloc] initWithTitle:@"Установить" style:UIBarButtonItemStyleDone target:self action:@selector(dismissDateStart:)];
setButton.tag = pTag;
UIBarButtonItem *cancelButton = [[UIBarButtonItem alloc] initWithTitle:@"Отменить" style:UIBarButtonItemStyleBordered target:self action:@selector(cancelDateStart)];
[controlToolBar setItems:[NSArray arrayWithObjects:spacer, cancelButton, setButton, nil] animated:NO];
[spacer release];
[setButton release];
[cancelButton release];
UIViewController* popoverContent = [[UIViewController alloc] init];
UIView* popoverView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 344)];
popoverView.backgroundColor = [UIColor whiteColor];
dateSheet.frame = CGRectMake(0, 0, 320, 344);
[popoverView addSubview:dateSheet];
[popoverView addSubview:controlToolBar];
popoverContent.view = popoverView;
popoverContent.contentSizeForViewInPopover = CGSizeMake(320, 244);
popoverController = [[UIPopoverController alloc] initWithContentViewController:popoverContent];
[popoverController presentPopoverFromRect:changeDateStartField.frame inView:self.view permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
[popoverView release];
[popoverContent release];
작동 중! 고마워요! – EndyVelvet