Can I Animate an image iOS8 LaunchScreen.xib

ios swift ios8 xib iphone-6
JThora picture JThora · Feb 19, 2015 · Viewed 14.4k times · Source

Question:
Are there ways to animate anything within the LaunchScreen.xib file of an Xcode 6 Project targeted to deploy for iOS 8.1+ ?


Context:
I'm looking to make simple animations to convey activity or serve as a distraction to the user while they wait...


Examples:

  • A Loading Bar
  • Activity Indicator
  • Animated GIF
  • Move a UIImage across the Screen
  • Rotate an Image

Answer

rickster picture rickster · Feb 19, 2015

Nope.

The Launch Image is shown only during the time period between when the user chooses to launch your app and when your app has actually started running. During this period, your app can't take any actions such as performing an animation — it's not running yet. The Launch Image is just a static image that, when well designed, helps give the user the impression that your app is ready quickly.

(Some developers ignore the HIG and use the launch image to provide a splash screen, sometimes with an animated presentation. But in those cases, the launch screen is still a static image, and the animation happens once the app begins running — it's just that the first frame of animation drawn by the running app matches the appearance of the static launch image.)

This behavior didn't change with the LaunchScreen.xib feature in iOS 8 — it still appears only before your app is actually running, so it's still a static image. What the LaunchScreen.xib feature gets you is the ability to adaptively produce a launch image for many different device sizes and styles without having to separately design, render, and ship in your app bundle different images for each size/orientation/etc.

If your app isn't actually ready to use by the time it gains control, think about whether the "loading" tasks you're doing at that time really need to be done immediately, or if you can let the user start doing some things right away and do more setup work on a background thread or defer it until it's actually needed.

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