ios - Using AutoLayout for all screen sizes -

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So I'm trying to switch to the use of autolayout for each screen size rather than separate storyboards.

The problem I am facing is that I display the layout 3.5 "and 4", but 4.7 "and 5.5" well enough to see how much more white space is.

So my question is how can I make it so that I can use any height of 4 "and the compact width under the display and then display 4.7" and 5.5 "?

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