iOS/iPhone Tap Gesture Recognizer (UITapGestureRecognizer) Tap and Double Tap

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
    
    // for Tap
    UITapGestureRecognizer *oneTapGesture = [[UITapGestureRecognizer alloc]
                                             initWithTarget: self
                                             action: @selector(oneTapGestureHandle:)];
    [oneTapGesture setNumberOfTouchesRequired:1];
    [[self view] addGestureRecognizer:oneTapGesture];
}

- (void)oneTapGestureHandle:(UITapGestureRecognizer *)sender {
    NSLog(@"Tap Gesture Handling");
    lblResult.text = @"Tap Gesture Handling";
}

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
    
    // for Double Tap
    UITapGestureRecognizer *twoTapGesture = [[UITapGestureRecognizer alloc]
                                             initWithTarget: self
                                             action: @selector(twoTapGestureHandle:)];
    [twoTapGesture setNumberOfTapsRequired:2];
    [twoTapGesture setNumberOfTouchesRequired:1];
    [[self view] addGestureRecognizer:twoTapGesture];
}

- (void)twoTapGestureHandle:(UITapGestureRecognizer *)sender {
    NSLog(@"Double Tap Gesture Handling");
     lblResult.text = @"Double Tap Gesture Handling";
}

//
//  ViewController.h
//  tapGesture
//
//  Created by Weerachai on 11/17/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController
{
    IBOutlet UILabel *lblResult;
}

@end

//
//  ViewController.m
//  tapGesture
//
//  Created by Weerachai on 11/17/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
    
    // for Tap
    UITapGestureRecognizer *oneTapGesture = [[UITapGestureRecognizer alloc]
                                             initWithTarget: self
                                             action: @selector(oneTapGestureHandle:)];
    [oneTapGesture setNumberOfTouchesRequired:1];
    [[self view] addGestureRecognizer:oneTapGesture];
    
    // for Double Tap
    UITapGestureRecognizer *twoTapGesture = [[UITapGestureRecognizer alloc]
                                             initWithTarget: self
                                             action: @selector(twoTapGestureHandle:)];
    [twoTapGesture setNumberOfTapsRequired:2];
    [twoTapGesture setNumberOfTouchesRequired:1];
    [[self view] addGestureRecognizer:twoTapGesture];
}

- (void)oneTapGestureHandle:(UITapGestureRecognizer *)sender {
    NSLog(@"Tap Gesture Handling");
    lblResult.text = @"Tap Gesture Handling";
}

- (void)twoTapGestureHandle:(UITapGestureRecognizer *)sender {
    NSLog(@"Double Tap Gesture Handling");
     lblResult.text = @"Double Tap Gesture Handling";
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (void)dealloc {
    [lblResult release];
    [super dealloc];
}
@end