nerdycat

You can download from here: https://www.wiley.com/en-cn/Android+Programming%3A+Pushing+the+Limits-p-9781118717370

你好，看您的代码我发现了一些问题： 1. .pin(.center) 跟 make.center.equal(bgView) 重复了，保留一个即可 2. 设置了两次 make.right.equal(bgView)，这会引起冲突 3. make.right.equal(bgView) 跟 make.center.equal(bgView) 可能会引起冲突 4. buttonStack里只有一个元素，可以直接用sureButton代替 5. ImageView 没有设置宽高，这会引起页面跳到（不知道您说的flicker是不是指这个）

抱歉没注意到，那就不需要了。不知道您的问题解决了没？

It would be helpful if you provide more information about the error. Like what version of Xcode/Swift you are using, and did you get the error from Demo project or...

Everything is fine in my case, weird.

By default HStack(or VStack) only supports items with intrinsic content size or fixed size. With one exception, align(.fill), which will stretch the cross axis to match the size of Stack...

Sorry for taking so long to reply. Unfortunately, Cupcake have not any knowledge of layout guides and safe area. Since it is written before iOS 11 and layout guides are...

HorStack() 和 VerStack() 返回都是 NERStack 对象，NERStack 支持动态添加和删除子视图。 具体请见 NERStack.h 文件。

It work, thanks.