iOS開發-UIImageView響應點擊事件

UIImageView是不能夠響應點擊事件的，在開發過程中我們需要經常對頭像等添加點擊事件，上網搜索一番后發現有如下兩個方法：

1.找到點擊圖片Event，添加事件處理函數

UIImageView.userInteractionEnabled = YES;

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
	
    UITouch *touch = [[event allTouches] anyObject];
    
    if ([touch view] != UIImageView)
    {
        //do some method.....
        
    }
    
}

 

2.為UIImageView添加Tap手勢

UIImageView.userInteractionEnabled = YES;

UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleSingleTap:)];
[UIImageView addGestureRecognizer:singleTap];

- (void)handleSingleTap:(UIGestureRecognizer *)gestureRecognizer {
    
    //do something....
}

 

3.在UIImageView外層套一個UIView，在外層UIView上添加點擊事件處理函數

UIView*view = [[UIControl alloc] initWithFrame:CGRectMake(50,200,150,150)] ;
view.backgroundColor = [UIColor clearColor];
[(UIControl *)view addTarget:self action:@selector(xxx) forControlEvents:UIControlEventTouchUpInside];
UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"a.gif"]];
imageView.frame = CGRectMake(0, 0, view.bounds.size.width, view.bounds.size.height);
[view addSubview:imageView];
[self.view addSubview:view];

　　

 

ref：http://blog.csdn.net/iorchid/article/details/6398102#

http://www.cocoachina.com/bbs/read.php?tid-66270-page-1.html