轻击（tap）手势

////  ViewController.m//  轻击手势////  Created by Rio.King on 13-11-2.//  Copyright (c) 2013年 Rio.King. All rights reserved.//#import "ViewController.h"@interface ViewController ()@property(nonatomic,strong) UITapGestureRecognizer *tapGestureRecognizer;@end@implementation ViewController- (void)viewDidLoad{    [super viewDidLoad];    self.tapGestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleTaps:)];    /*the number of fingers that must be on the screen*/    self.tapGestureRecognizer.numberOfTouchesRequired = 2;    /*the total number of taps to be performed before the gesture is recognized*/    self.tapGestureRecognizer.numberOfTapsRequired = 3;    [self.view addGestureRecognizer:self.tapGestureRecognizer];    }-(void)handleTaps:(UITapGestureRecognizer *)paramSender{    NSUInteger touchCounter = 0;    for (touchCounter = 0; touchCounter < paramSender.numberOfTouchesRequired; touchCounter ++) {        CGPoint touchPoint = [paramSender locationOfTouch:touchCounter inView:paramSender.view];        NSLog(@"@Touch #%lu:%@",(unsigned long)touchCounter + 1,NSStringFromCGPoint(touchPoint));    }}- (void)didReceiveMemoryWarning{    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end

解释：

（1）numberOfTouches这个属性值设置为2，通过设置这个值，就表示，我们在点击的时候是需要两个手指同时来完成动作的。同样numberOfTapsRequired这个值设置为3，就表示，我们需要连续的点击三次。

（2）代码中有一个NSStringFromCGPoint的方法，这个方法其实就是把一个物理的位置信息CGPoint转化成一个NSString类型的数据，这样我们就可以直接打印出来以便我们的查看~ ！