[英]UIBarButtonItem on UIDatePicker as inputView not clickable
当您单击dateTextField
,它显示datePicker
与toolBar
。
我将doneButton
添加到toolBar
,但doneButton
不可点击。
我如何解决它?
@property (nonatomic, retain) UIDatePicker* datePicker;
@property (nonatomic, retain) UIToolBar* toolBar;
@property (nonatomic, retain) UITextField* dateTextField;
self.datePicker = [[UIDatePicker alloc]init];
self.datePicker.datePickerMode = UIDatePickerModeTime;
self.toolBar = [[UIToolbar alloc]initWithFrame:CGRectMake(0, -40, 320, 40)];
[self.datePicker addSubview:self.toolBar];
UIBarButtonItem* doneButton = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(closePicker)];
NSArray* barItems = [NSArray arrayWithObjects:doneButton, nil];
[self.toolBar setItems:barItems animated:YES];
self.dateTextField = [[UITextField alloc]initWithFrame:CGRectMake(90, 5, 100, 25)];
self.dateTextField.delegate = self;
self.dateTextField.inputView = self.datePicker;
[self.view addSubview:self.dateTextField];
谢谢。
不要将工具栏添加为日期选择器的子视图。 而是将dateTextField的inputAccessoryView属性设置为工具栏(工具栏具有普通框架)。 像这样:
@property (nonatomic, retain) UIDatePicker* datePicker;
@property (nonatomic, retain) UIToolBar* toolBar;
@property (nonatomic, retain) UITextField* dateTextField;
self.datePicker = [[UIDatePicker alloc]init];
self.datePicker.datePickerMode = UIDatePickerModeTime;
self.toolBar = [[UIToolbar alloc]initWithFrame:CGRectMake(0, 0, 320, 44)];
UIBarButtonItem* doneButton = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(closePicker)];
NSArray* barItems = [NSArray arrayWithObjects:doneButton, nil];
[self.toolBar setItems:barItems animated:YES];
self.dateTextField = [[UITextField alloc]initWithFrame:CGRectMake(90, 5, 100, 25)];
self.dateTextField.delegate = self;
self.dateTextField.inputView = self.datePicker;
self.dateTextField.inputAccessoryView = self.toolbar;
[self.view addSubview:self.dateTextField];
另请参阅这篇Apple文章以了解更多信息:
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