一：添加通知

?//數字鍵盤添加完成

? ? [[NSNotificationCenterdefaultCenter] addObserver:selfselector:@selector(keyboardWillShow:) name:UIKeyboardDidShowNotificationobject:nil];

二：數字鍵盤出現添加

//鍵盤處理 - (void)keyboardWillShow:(NSNotification *)note {UIButton *doneButton = [UIButton buttonWithType:UIButtonTypeCustom];doneButton.frame = CGRectMake(15, 172, 65, 35);//doneButton.frame = CGRectMake(8, 163, 50, 30);//[doneButton setTitle:@"完成" forState:UIControlStateNormal];[doneButton setBackgroundImage:[UIImage imageNamed:@"pickerBackIMG.png"] forState:UIControlStateNormal];[doneButton addTarget:self action:@selector(doneBtn) forControlEvents:UIControlEventTouchUpInside];UIWindow* tempWindow = [[[UIApplication sharedApplication] windows] objectAtIndex:1];UIView* keyboard;for(int i=0; i<[tempWindow.subviews count]; i++) {keyboard = [tempWindow.subviews objectAtIndex:i];// keyboard view found; add the custom button to itif(([[keyboard description] hasPrefix:@"<UIPeripheralHostView"] == YES) ||(([[keyboard description] hasPrefix:@"<UIKeyboard"] == YES)))[keyboard addSubview:doneButton];} }- (void)doneBtn {[phoneNumTextField resignFirstResponder];}

　　三：移除通知

- (void)dealloc

{

? ? [[NSNotificationCenterdefaultCenter]removeObserver:selfname:UIKeyboardDidShowNotificationobject:nil];

? ? [kDatePickerrelease];

? ? [super dealloc];

}

轉載于:https://www.cnblogs.com/cocoajin/p/3246321.html

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