Adds a Done and Cancel buttons to an iPhone Number Pad
Objective-C C Ruby
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Example
.gitignore
DoneCancelNumberPadToolbar.h
DoneCancelNumberPadToolbar.m
DoneCancelNumberPadToolbar.podspec
LICENSE
README.md
sample.c

README.md

Adds Done and Cancel buttons to an iPhone Number Pad

example

ViewController Header

Add the include, delegate, and textfield to your header file

#import "DoneCancelNumberPadToolbar.h"

@interface ViewController : UIViewController <DoneCancelNumberPadToolbarDelegate>
@property (weak, nonatomic) IBOutlet UITextField *inputExampleTextField;

ViewController

Attach the DoneCancelNumberPadToolbar to the textfield

- (void)viewDidLoad
{
    [super viewDidLoad];
    DoneCancelNumberPadToolbar *toolbar = [[DoneCancelNumberPadToolbar alloc] initWithTextField:inputExampleTextField];
    toolbar.delegate = self;
    inputExampleTextField.inputAccessoryView = toolbar;
}

Use the delegate methods as needed

-(void)doneCancelNumberPadToolbarDelegate:(DoneCancelNumberPadToolbar *)controller didClickDone:(UITextField *)textField
{
    NSLog(@"%@", textField.text);
}

-(void)doneCancelNumberPadToolbarDelegate:(DoneCancelNumberPadToolbar *)controller didClickCancel:(UITextField *)textField
{
    NSLog(@"Canceled: %@", [textField description]);
}

http://timbroder.com/2012/08/adding-done-and-cancel-buttons-to-an-ios-number-pad.html