iOS/iPhone Swipe Gesture Recognizer (UISwipeGestureRecognizer) Swipe Left / Right / Up / Down

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    
    UISwipeGestureRecognizer *swipeLeft = [[UISwipeGestureRecognizer alloc]
                                           initWithTarget:self
                                           action:@selector(swipeLeftHandle:)];
    swipeLeft.direction = UISwipeGestureRecognizerDirectionLeft;
    [[self view] addGestureRecognizer:swipeLeft];
    [swipeLeft release];
}

-(void) swipeLeftHandle:(UISwipeGestureRecognizer *) sender {
    if (sender.direction == UISwipeGestureRecognizerDirectionLeft)
        lblResult.text = @"swipe left";
        NSLog(@"swipe left");
}

//
//  ViewController.h
//  swipeGesture
//
//  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
//  swipeGesture
//
//  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.
    
    UISwipeGestureRecognizer *swipeLeft = [[UISwipeGestureRecognizer alloc]
                                           initWithTarget:self
                                           action:@selector(swipeLeftHandle:)];
    swipeLeft.direction = UISwipeGestureRecognizerDirectionLeft;
    [[self view] addGestureRecognizer:swipeLeft];
    [swipeLeft release];
    
    UISwipeGestureRecognizer *swipeRight = [[UISwipeGestureRecognizer alloc]
                                            initWithTarget:self
                                            action:@selector(swipeRightHandle:)];
    swipeRight.direction = UISwipeGestureRecognizerDirectionRight;
    [[self view] addGestureRecognizer:swipeRight];
    [swipeRight release];
    
    UISwipeGestureRecognizer *swipeUp = [[UISwipeGestureRecognizer alloc]
                                         initWithTarget:self
                                         action:@selector(swipeUpHandle:)];
    swipeUp.direction = UISwipeGestureRecognizerDirectionUp;
    [[self view] addGestureRecognizer:swipeUp];
    [swipeUp release];
    
    UISwipeGestureRecognizer *swipeDown = [[UISwipeGestureRecognizer alloc]
                                           initWithTarget:self
                                           action:@selector(swipeDownHandle:)];
    swipeDown.direction = UISwipeGestureRecognizerDirectionDown;
    [[self view] addGestureRecognizer:swipeDown];
    [swipeDown release];
}

-(void) swipeLeftHandle:(UISwipeGestureRecognizer *) sender {
    if (sender.direction == UISwipeGestureRecognizerDirectionLeft)
        lblResult.text = @"swipe left";
        NSLog(@"swipe left");
}

-(void) swipeRightHandle:(UISwipeGestureRecognizer *) sender {
    if (sender.direction == UISwipeGestureRecognizerDirectionRight)
        lblResult.text = @"swipe right";
        NSLog(@"swipe right");
}

-(void) swipeUpHandle:(UISwipeGestureRecognizer *) sender {
    if (sender.direction == UISwipeGestureRecognizerDirectionUp)
        lblResult.text = @"swipe up";
        NSLog(@"swipe up");
}

-(void) swipeDownHandle:(UISwipeGestureRecognizer *) sender {
    if (sender.direction == UISwipeGestureRecognizerDirectionDown)
        lblResult.text = @"swipe down";
        NSLog(@"swipe down");
}

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

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