IOS 单击手势的添加实现代码

#import <UIKit/UIKit.h>

@interface RootViewController : UIViewController
<UIGestureRecognizerDelegate>

@end

#import "RootViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
  self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
  if (self) {
    // Custom initialization
  }
  return self;
}

- (void)viewDidLoad
{
  [super viewDidLoad];
  // Do any additional setup after loading the view.
  
  //添加背景
  [self addView];
}
#pragma -mark -functions
//添加背景
-(void)addView
{
  self.title=@"单击手势的添加";
  
  UIView *parentView=[[UIView alloc]initWithFrame:CGRectMake(50, 100, 200, 200)];
  parentView.backgroundColor=[UIColor redColor];
  [self.view addSubview:parentView];
  
  //单击的手势
  UITapGestureRecognizer *tapRecognize = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(handleTap:)];
  tapRecognize.numberOfTapsRequired = 1;
  tapRecognize.delegate = self;
  [tapRecognize setEnabled :YES];
  [tapRecognize delaysTouchesBegan];
  [tapRecognize cancelsTouchesInView];
  
  [self.view addGestureRecognizer:tapRecognize];

}
#pragma UIGestureRecognizer Handles
-(void) handleTap:(UITapGestureRecognizer *)recognizer
{
  NSLog(@"---单击手势-------");
}
- (void)didReceiveMemoryWarning
{
  [super didReceiveMemoryWarning];
  // Dispose of any resources that can be recreated.
}