点击手势demo

<span style="background-color: rgb(153, 153, 255);">////  UIGestureViewController.m//  LJEExcise////  Created by xiaoyao on 14/11/29.//  Copyright (c) 2014年 lijien. All rights reserved.//#import "UIGestureViewController.h"#define kLABELFRAME (CGRectMake(20, 150, 200, 50))#define kVIEWFRAME (CGRectMake(20, 220, 200, 80))@interface UIGestureViewController () {  UILabel *_touchLabel;  UIView *_touchView;}@end@implementation UIGestureViewController- (void)viewDidLoad {  [super viewDidLoad];    _touchLabel = [[UILabel alloc] initWithFrame:kLABELFRAME];  _touchLabel.backgroundColor = [UIColor blueColor];  _touchLabel.tag = 9999;  _touchLabel.textColor = [UIColor redColor];  // 当UI控件不允许用户使用交互属性的时候应当打开其交互  _touchLabel.userInteractionEnabled = YES;  // 是否支持多点触碰  _touchLabel.multipleTouchEnabled = YES;  [self.view addSubview:_touchLabel];    _touchView = [[UIView alloc] initWithFrame:kVIEWFRAME];  _touchView.backgroundColor = [UIColor purpleColor];  [self.view addSubview:_touchView];    for (int i = 1; i < 6; i++) {    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self                                                                          action:@selector(handleTap:)];    // 连续点击的次数    tap.numberOfTapsRequired = i;    // 允许两个手指的触碰    tap.numberOfTouchesRequired = 1;    [_touchView addGestureRecognizer:tap];  }}- (void)handleTap:(UITapGestureRecognizer *)tap {  // 用户的第几个手指触碰  NSUInteger touchNum = tap.numberOfTouches;  NSUInteger tapNum = tap.numberOfTapsRequired;  _touchLabel.text = [NSString stringWithFormat:@"tapNum: %lu touchNum: %lu",tapNum, touchNum];  [_touchLabel performSelector:@selector(setText:) withObject:nil afterDelay:2];}- (void)setText:(UILabel *)label {  [_touchLabel setText:@"aaa"];    return;}@end</span>