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.
}