UIKeyboardTypeNumberPad without a done button

Question

How can we implement UIKeyboardTypeNumberPad so that it will have a \'done\' button? By default it does not have one.

Answer 1

 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardDidShowNotification object:nil];


//Call this method 

- (void)keyboardWillShow:(NSNotification *)note {


   UIButton *doneButton  = [[UIButton alloc] initWithFrame:CGRectMake(0, 163, 106, 53)];
    doneButton.adjustsImageWhenHighlighted = NO;
    [doneButton setImage:[UIImage imageNamed:@"Done.png"] forState:UIControlStateNormal];
   [doneButton addTarget:self action:@selector(doneButton:) 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];

        if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 3.2) {
            if([[keyboard description] hasPrefix:@"