ios - Is there a code only version of "Size Classes"? -
i'm writing ios 8 constraints in code instead of ib oh-so-many-reasons. not see way write constraints activated in "size classes", can in ib.
i suppose watch alter in screen aspect ratios , resetting constraints, there more documented way?
thanks! henry
check out uitraitcollection , uitraitenvironment.
uiviewcontroller conforms uitraitenvironment means can hold of it's uitraitcollection , react when changes via traitcollectiondidchange:
uitraitcollection contains horizontal , vertical sizeclass info along displayscale , userinterfaceidiom.
ios class size autolayout
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