…will, a world without Auto Layout… You’re in charge of creating a new app for your company. Your design, built with Interface Builder, would look like something like the following: With the view positioned exactly as you want it, you then check its frame in the Size Inspector…

…more visual treats — will be driven by fluid and eye-catching animations. What are you waiting for? Time to get packing! Animating Interface Builder Constraints If you completed the project from the previous chapter, you can carry on where you left off; otherwise, you can use the starter project from…

Build and run your app again to see how things look; it appears in the center of the screen, as it was designed in Interface Builder, and starts animating 0.3 seconds later. What gives? It’s time to learn about another layer animation property called fillMode; below…