Question

我正在使用UIScrollView我得到了一些UIButtons，认识到我按下了上面的按钮，我创建了一个UIScrollView的子类，其中重写了方法

- (BOOL) touchesShouldCancelInContentView (UIView *) view

但是只有当触摸是一段旅程时才进入该方法，当我不再按屏幕时，永远不会进入。

我创建的UIScrollView：

`

CGSize containerSize = CGSizeMake(320.0f, 480.0f);
CGSize containerSize2 = CGSizeMake(640.0f, 960.0f);
self.scrollView = [[UIScrollViewWithButtons alloc] initWithFrame:(CGRect){.origin=CGPointMake(0.0f, 0.0f), .size=containerSize}];

[self.scrollView setMinimumZoomScale:0.5f];
[self.scrollView setMaximumZoomScale:1.0f];
[self.scrollView setZoomScale:0.5f];
[self.scrollView setDelegate:self];

self.scrollView.bounces = NO;
self.scrollView.bouncesZoom = NO;
self.scrollView.delaysContentTouches = NO;

self.scrollView.userInteractionEnabled = YES;

[self.scrollView setContentInset:UIEdgeInsetsZero];

[self.view addSubview:self.scrollView];

self.containerView = [[UIView alloc] initWithFrame:(CGRect){.origin=CGPointMake(0.0f, 0.0f), .size=containerSize2}];
self.containerView.userInteractionEnabled = YES;
[self.scrollView addSubview:self.containerView];

[self.scrollView setClipsToBounds:NO];

//instanciar uimageview
fondo = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 640, 960)];
[self.containerView addSubview:fondo];
[fondo setImage:[UIImage imageNamed:@"Grande.png"]];

self.scrollView.contentSize = containerSize2;

和按钮添加

imagen = [UIButton buttonWithType:UIButtonTypeCustom];
        [imagen addTarget:self action:@selector(pulsadoIzq) forControlEvents:UIControlEventTouchUpInside]; 

        [imagen setTitle:@"" forState:UIControlStateNormal];
        [imagen setFrame:CGRectMake(xUser, yUser, 50.0f, 50.0f)];
        [imagen setImage:[UIImage imageNamed:@"boton.png"] forState:UIControlStateNormal];
[self.containerView addSubview:fichaUserIzq];

        imagen.center = CGPointMake(xUser, yUser);`enter code here`

我需要将屏幕上的水龙头捕捉到按钮上我该怎么做？

我也想知道，因为如果我实现了这段代码：

img = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"img.png"]];
UIPanGestureRecognizer *panRecg = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(imgDragged:)];

img.userInteractionEnabled = YES;
[img addGestureRecognizer:panRecg];
img.center = CGPointMake(160, 436);

[self.scrollView addSubview:img];

当我点击图像时没有任何反应，没有进入方法，只有当我按下并拖动时才会进入。我也希望在按下此图像时捕获，因此我只在移动时捕获。

Answer 1

我解决了这个问题，我实现了这个方法：

-(void)singleTapGestureCaptured:(UITapGestureRecognizer*)gesture{
CGPoint touchPoint = [gesture locationInView:self.scrollView];
if ((touchPoint.x > 88)&&(touchPoint.x < 226)&&(touchPoint.y > 172)&&(touchPoint.y < 319)) {
    if (rodando) {
        [self pararAnimacionDado];
    }
}

}

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

UIscrollview和uibuttons点击

1 个答案: