NEW: Subscribe to Hacking with Swift+ and accelerate your learning! >>

How to stop Auto Layout and autoresizing masks conflicting: translatesAutoresizingMaskIntoConstraints

Swift version: 5.2

Paul Hudson    @twostraws   

If you create any views in code – text views, buttons, labels, etc – you need to be careful how you add Auto Layout constraints to them. The reason for this is that iOS creates constraints for you that match the new view's size and position, and if you try to add your own constraints these will conflict and your app will break.

There are two solutions. First, don't add Auto Layout constraints to views created in code. Sound like a bad idea? That's because it is: like it or lump it, Auto Layout is something you want on your side. So, that leaves option two: tell iOS not to create Auto Layout constraints automatically, and that's done with this line of code:

yourView.translatesAutoresizingMaskIntoConstraints = false
Hacking with Swift is sponsored by NSSpain

SPONSORED Announcing NSSpain 2020: Remote Edition! An online, continuous conference for iOS developers. We’ll start on Thursday and finish on Friday, with talks, activities, and lots of fun for 36 hours, non-stop. Sound good? Join us!

Find out more

Sponsor Hacking with Swift and reach the world's largest Swift community!

Available from iOS 7.0 – see Hacking with Swift tutorial 6

Similar solutions…

About the Swift Knowledge Base

This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.

BUY OUR BOOKS
Buy Pro Swift Buy Swift Design Patterns Buy Testing Swift Buy Hacking with iOS Buy Swift Coding Challenges Buy Swift on Sundays Volume One Buy Server-Side Swift (Vapor Edition) Buy Advanced iOS Volume One Buy Advanced iOS Volume Two Buy Advanced iOS Volume Three Buy Hacking with watchOS Buy Hacking with tvOS Buy Hacking with macOS Buy Dive Into SpriteKit Buy Swift in Sixty Seconds Buy Objective-C for Swift Developers Buy Server-Side Swift (Kitura Edition) Buy Beyond Code

Was this page useful? Let us know!

Average rating: 4.2/5

Link copied to your pasteboard.