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android – How to do match_parent in iOS

Posted by: admin June 15, 2020 Leave a comment


I am used to having an Android background where I do:

android_layout_width="match_parent" or android_layout_height="match_parent"

How is this behavior done on iOS, using xib?

How to&Answers:

1) Set frame of child view matching parent’s view bounds.
2) Enable autoresizing mask like in screenshot.

enter image description here


You have to create two constraints from the child to it’s parent view:

  • equal width
  • equal height

UIB define constraint

It’s also possible to define a margin (select the created constraint within the size inspector)
enter image description here