触发UIButton长按事件

触发UIButton长按事件 

原文地址 blog.sina.com.cn/s/blog_9592635a01010dp9.html

长按录音效果：http://www.cocoachina.com/bbs/read.php?tid=98584&page=1

UIButton *aBtn=[UIButton buttonWithType:UIButtonTypeCustom];

    [aBtn setFrame:CGRectMake(40, 100, 60, 60)];

    [aBtn setBackgroundImage:[UIImage imageNamed:@"111.png"]forState:UIControlStateNormal];

//button点击事件

    [aBtn addTarget:self action:@selector(btnShort:)forControlEvents:UIControlEventTouchUpInside];

    //button长按事件

    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:selfaction:@selector(btnLong:)]; 

    longPress.minimumPressDuration = 0.8; //定义按的时间

    [aBtn addGestureRecognizer:longPress];

-(void)btnLong:(UILongPressGestureRecognizer*)gestureRecognizer{

    if ([gestureRecognizer state] == UIGestureRecognizerStateBegan) {

        NSLog(@"长按事件");

        UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"消息" message:@"确定删除该模式吗？" delegate:selfcancelButtonTitle:@"取消" otherButtonTitles:@"删除", nil];

        [alert show];

    }

}