Create date picker with accessory view and attach it to a uitextfield

datepicker_with_toolbar.m

- (void)viewDidLoad
{

    UIDatePicker *datePicker = [[UIDatePicker alloc] init];
    datePicker.datePickerMode = UIDatePickerModeDate;
    
    UIToolbar *toolbar =[[UIToolbar alloc]initWithFrame:CGRectMake(0,0, self.view.frame.size.width,44)];
    toolbar.barStyle =UIBarStyleDefault;
    
    UIBarButtonItem *cancelButton = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
                                                                                 target:self
                                                                                 action:@selector(cancelButtonPressed:)];
    
    UIBarButtonItem *flexibleSpace =[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace
                                                                                 target:self
                                                                                 action:nil];
    
    UIBarButtonItem *doneButton =[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone
                                                                               target:self
                                                                               action:@selector(doneButtonPressed:)];
    
    [toolbar setItems:@[cancelButton,flexibleSpace, doneButton]];
    
    self.birthdayDate.inputView = datePicker;
    self.birthdayDate.inputAccessoryView = toolbar;
}    
    
- (void)cancelButtonPressed:(id)sender
{
    [self.view endEditing:YES];
}

- (void)doneButtonPressed:(id)sender
{
    NSDate *birthdayDate = _datePicker.date;
    
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    dateFormatter.dateStyle = NSDateFormatterMediumStyle;
    
    NSString *birthdayText = [dateFormatter stringFromDate:birthdayDate];
    self.birthdayDate.text = birthdayText;
    
}