长按手势简单示例

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

self.view.backgroundColor = [UIColor whiteColor];

UIButton * roundBtn = [UIButton buttonWithType:UIButtonTypeCustom];

[roundBtn setFrame:CGRectMake(([UIScreen mainScreen].bounds.size.width-60)/2, 200, 60, 60)];

[roundBtn setBackgroundColor:[UIColor blueColor]];

[self.view addSubview:roundBtn];

_roundBtn = roundBtn;

UILongPressGestureRecognizer * longGesture = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longGesture:)];

[roundBtn addGestureRecognizer:longGesture];

}

-(void)longGesture:(UILongPressGestureRecognizer *)gesture

{

int sendState = 0;

CGPoint  point = [gesture locationInView:_roundBtn];

if (point.y<0)

{

NSLog(@"松开手指，取消发送");

sendState = 1;

}

else

{

//重新进入长按录音范围内

sendState = 0;

}

//手势状态

switch (gesture.state) {

case UIGestureRecognizerStateBegan:

{

//NSLog(@"开始");

NSLog(@"这里开始录音");

}

break;

case UIGestureRecognizerStateEnded:

{

//NSLog(@"长按手势结束");

if (sendState == 0)

{

NSLog(@"结束录音并发送录音");

}

else

{

//向上滑动取消发送

NSLog(@"取消发送删除录音");

}

}

break;

case UIGestureRecognizerStateFailed:

//NSLog(@"长按手势失败");

break;

default:

break;

}

}