iOS开发——给ImageView添加点击事件

给ImageView添加点击事件

cell.pictureView.userInteractionEnabled = YES;
    UITapGestureRecognizer *gr = [[UITapGestureRecognizer alloc]initWithTarget:cell action:@selector(displayPicture:)];
    gr.numberOfTapsRequired = 1;
    gr.numberOfTouchesRequired = 1;

[cell.pictureView addGestureRecognizer:gr ];

-(void)displayPicture:(UITapGestureRecognizer*)gr{
    NSLog(@"%s----%@",__func__,gr);
    [self.delegate displayPic:self.pictureView.image];
}