ios - 如何在 iPhone 的手势识别器中获取原始附加 View ？

Question

通过以下代码，我在手势识别器中添加了一个按钮:

UILongPressGestureRecognizer *longPress=[[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(addLongpressGesture:)];
[longPress setDelegate:self];
[BUTTON addGestureRecognizer:longPress];

这是我的 addLongpressGesture 方法:

- (void)addLongpressGesture:(UILongPressGestureRecognizer *)sender {

UIView *view = sender.view;

CGPoint point = [sender locationInView:view.superview];

if (sender.state == UIGestureRecognizerStateBegan){ 

      // GESTURE STATE BEGAN

}
}

通过这段代码 sender.view 我得到了作为 UIView 的附加 View 但是我想要附加的 View (UIButton)，我如何获得 UIView作为 UIButton？

Answer 1

改变这个

UIView *view = sender.view;

为此

UIButton *btn = (UIButton*)sender.view;