datepicker通過點擊textfield

Question

我想通過點擊文本框來實現日期選擇器。我正在使用this link中提到的代碼。

但我沒有得到輸出。如果有人知道如何通過點擊文本框來使日期選擇器。請爲我提供一些解決方案。

在此先感謝。

Answer 1

我看到你的鏈接，並得到了解決，從而嘗試下面的代碼。

#import "TextfieldwithDatepickerViewController.h" 

UIActionSheet *pickerViewPopup; 

@implementation TextfieldwithDatepickerViewController 
- (void)textFieldDidBeginEditing:(UITextField *)aTextField{ 
    [aTextField resignFirstResponder]; 

    pickerViewPopup = [[UIActionSheet alloc] initWithTitle:nil delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil]; 

    UIDatePicker *pickerView = [[UIDatePicker alloc] initWithFrame:CGRectMake(0, 44, 0, 0)]; 
    pickerView.datePickerMode = UIDatePickerModeDate; 
    pickerView.hidden = NO; 
    pickerView.date = [NSDate date]; 

    UIToolbar *pickerToolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, 320, 44)]; 
    pickerToolbar.barStyle = UIBarStyleBlackOpaque; 
    [pickerToolbar sizeToFit]; 

    NSMutableArray *barItems = [[NSMutableArray alloc] init]; 

    UIBarButtonItem *flexSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:self action:nil]; 
    [barItems addObject:flexSpace]; 

    UIBarButtonItem *doneBtn = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(doneButtonPressed:)]; 
    [barItems addObject:doneBtn]; 

    UIBarButtonItem *cancelBtn = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(cancelButtonPressed:)]; 
    [barItems addObject:cancelBtn]; 

    [pickerToolbar setItems:barItems animated:YES]; 

    [pickerViewPopup addSubview:pickerToolbar]; 
    [pickerViewPopup addSubview:pickerView]; 
    [pickerViewPopup showInView:self.view]; 
    [pickerViewPopup setBounds:CGRectMake(0,0,320, 464)]; 
} 

-(void)doneButtonPressed:(id)sender{ 
    //Do something here here with the value selected using [pickerView date] to get that value 

    [pickerViewPopup dismissWithClickedButtonIndex:1 animated:YES]; 
} 

-(void)cancelButtonPressed:(id)sender{ 
    [pickerViewPopup dismissWithClickedButtonIndex:1 animated:YES]; 
} 

此代碼是絕對有幫助你，因爲我運行的代碼，它的做工精細。

Answer 2

你可以把你的日期選擇器放在界面生成器的另一個視圖中......並將視圖放在主視圖（x = 0; y = 460）下。

所以，當你的文本字段成爲第一響應者（有這樣的一些委託方法 - textFieldDidBeginEditing :) ...只需要使用datePicker在期望的位置動畫視圖。

動畫可以做到像...

[UIView beginAnimations:@"some_random_name" context:nil]; 

    //give your date picker view a new frame 

[UIView setAnimationDuration:0.3f]; //or any other value 
[UIView commitAnimations]; 

Answer 3

使用下面的代碼：

UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"" delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil]; 
[actionSheet showInView:self.tabBarController.tabBar]; 
[actionSheet setFrame:CGRectMake(0, 220, 320,350)]; 
pickerToolbar.barStyle = UIBarStyleDefault; 
[pickerToolbar sizeToFit]; 
pickerToolbar.barStyle = UIBarStyleBlackTranslucent; 

NSMutableArray *barItems = [[NSMutableArray alloc] init]; 

UIBarButtonItem *cancelBtn = [[UIBarButtonItem alloc] initWithTitle:[BuddyCalcAppDelegate getLocalvalue:@"Cancel"] style:UIBarButtonSystemItemCancel target:self action:@selector(cancel_clicked:)]; 
[barItems addObject:cancelBtn]; 
[cancelBtn release]; 
UIBarButtonItem *flexSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil]; 
[barItems addObject:flexSpace]; 
[flexSpace release]; 
UIBarButtonItem *doneBtn = [[UIBarButtonItem alloc] initWithTitle:[BuddyCalcAppDelegate getLocalvalue:@"Done"] style:UIBarButtonItemStyleDone target:self action:@selector(done_clicked:)]; 
[barItems addObject:doneBtn]; 
[doneBtn release]; 
[pickerToolbar setItems:barItems animated:YES]; 
[actionSheet addSubview:pickerToolbar]; 
[barItems release]; 
[pickerToolbar release]; 
UIDatePicker *datePicker=[[UIDatePicker alloc]init]; 
if ([UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationLandscapeLeft || [UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationLandscapeRight) 
{ 
    datePicker.frame=CGRectMake(0,32,480, 216); 
    [scrollView setContentOffset:CGPointMake(0, 60) animated:YES]; 
} else { 
    datePicker.frame=CGRectMake(0,44,320, 216); 
} 

datePicker.datePickerMode = UIDatePickerModeDateAndTime; 
[datePicker setMinuteInterval:5]; 
[datePicker setTag:10]; 
[actionSheet addSubview:datePicker]; 
[datePicker addTarget:self action:@selector(Result) forControlEvents:UIControlEventValueChanged]; 
[datePicker release]; 

Answer 4

-(BOOL) textFieldShouldBeginEditing:(UITextField *)txtField 
{ 
[self createDatePicker]; 
} 

組代表TextFeild也

Answer 5

檢查您設置的委託文本字段。 如果不是，這樣設置：

textField.delegate = self; 

還是在廈門國際銀行增加連接的委託。

Answer 6

我們可以用UITextField的inputView和inputAccessoryView。 在.h文件中聲明，在.m文件中聲明@synthesize。

@property (nonatomic, retain) IBOutlet UIToolbar *_accessoryView; 
@property (nonatomic, retain) IBOutlet UIDatePicker *_datePickerView; 

將它們連接到.xib文件中的文件所有者，確保它不在self.view中。

- (void)viewDidLoad 
    { 
     _dateOfBirthTextField.inputView = self._datePickerView; 
     _dateOfBirthTextField.inputAccessoryView = self._toolbar; 
    } 

還寫函數從選擇器

#pragma mark- UITextField with UIDatePicker- 

- (IBAction)dateChanged:(id)sender { 
    UIDatePicker *picker = (UIDatePicker *)sender; 
    _dateOfBirthTextField.text = [NSString stringWithFormat:@"%@", picker.date]; 
} 

- (IBAction)doneEditing:(id)sender { 
    [_dateOfBirthTextField resignFirstResponder]; 
} 

將日期添加dateChanged：IBAction爲上的valueChanged：_datePicker的作用。 和doneEditing：IBAction工具欄上的barbutton動作。