问题描述
我有一个小小的观点，我希望他占据超级视图的1/3高度(与安全区域相同的大小)
I have a small view that I want him occupy 1/3 height of superview(same size with safe area)
我用superview.bottom定义了常数为0的前导空间，尾随空间，底部空间.
I defined leading space, trailing space, bottom space which its constant = 0 with superview.bottom.
并且我想将Superview高度的高度设为1/3，以使其在所有iphone尺寸中都具有相同的外观.我定义了宽高比，并将其第一项更改为superview.height，将第二项更改为thisview.height.我当然定义了3:1乘数
AND I want to make the height 1/3 of superview height to make it same look in all iphone sizes. I defined aspect ratio and changed its first item as superview.height and second item as thisview.height. of course I have defined 3:1 multiplier
但是它不起作用，会出现以下错误
But it doesnt work it gives following error
来吧！为什么不起作用?与其他所有内容相比，这并不复杂.另外，我该如何在界面上完成此操作. (不在代码中)我想在xcode上与预览"标签中的所有其他屏幕尺寸一起看到它.
Come on!! why doesnt it work? this is not that complex compared to all other stuff.Also how can I complish this on interface. (not in code) I would like to see it on xcode with all other screensizes in preview tab.
非常感谢您的时间.
推荐答案
设置视图Equal Heights及其超级视图.然后将Equal Heights约束的乘数更改为1:3
Set the view Equal Heights with its superview. Then change the multiplier of the Equal Heights constraint to 1:3
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