LaunchScreen Storyboard not working on iOS 14 xcode12

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Created Nov ’20

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The launchscreen is black on physical device (12Pro) and simulator, though it works on iPhone SE simulator and SE Physical device. Seems like a bug?

I need to push an update and don't want to submit to the appstore if the LaunchScreen is black, anyone experiencing this issue as well? Have some solutions?

Thanks in advance.

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Answer 1

Claude31 OP

Nov ’20

Have you a scene delegate ?

I tested 2 apps with Xcode 12.1 on iPhone 12 Pro simulator.

One without scene delegate : back launch screen

One with sceneDelmegate (including Application Scene Manifest in info.plist): works normally.

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Answer 2

Claude31 OP

Nov ’20

In fact the reason is not the SceneDelegate.
https://stackoverflow.com/questions/63978396/launch-screen-not-working-on-ios-14-with-xcode-12

Seems that iOS 14 limits the size of images in Launchscreen. And not explained anywhere.
In the app that did not work on iOS 14, I have reduced from 7.3 to 0.6 MB and that solved everything.

If you have an image in the launch screen, check its size. If several MB, select a smaller one (reduce resolution will be OK).
Try to limit to less than 100 kB.

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