UIScrollView returns iOS7 捏合时出错

Question

我正在使用 UIScrollView 来缩放图像：

override func viewDidLoad() {        
    super.viewDidLoad()

    self.scrollView.minimumZoomScale = 0.5
    self.scrollView.maximumZoomScale = 6.0
    self.scrollView.contentSize = self.inputImage.frame.size
    self.scrollView.delegate = self
    inputImage.image = inputImageDelegate

    // Do any additional setup after loading the view.
}
func viewForZoomingInScrollView(scrollView: UIScrollView) -> UIView? {
    return self.inputImage
}
func scrollViewDidEndZooming(scrollView: UIScrollView, withView view: UIView!, atScale scale: CGFloat) {
    //code
}

此代码在 iOS8 中运行良好，但在 iOS7 中出现此错误：

2015-06-18 12:42:20.702 tahrir[96725:607] Unable to simultaneously satisfy constraints. Probably at least one of the constraints in the following list is one you don't want. Try this: (1) look at each constraint and try to figure out which you don't expect; (2) find the code that added the unwanted constraint or constraints and fix it. (Note: If you're seeing NSAutoresizingMaskLayoutConstraints that you don't understand, refer to the documentation for the UIView property translatesAutoresizingMaskIntoConstraints) ( "", "", "", "", "", "", "" )

Will attempt to recover by breaking constraint

Break on objc_exception_throw to catch this in the debugger. The methods in the UIConstraintBasedLayoutDebugging category on UIView listed in may also be helpful. done

注意: 我用的是自动布局，没有报错。

Answer 1

删除自动布局限制解决了这个问题。

UIScrollView returns iOS7 捏合时出错

UIScrollView returns error on pinch on iOS7

uiscrollview

uiimageview

ios

swift