iOS app going to background after launch

Question

My problem is as follow

When I launch app, launch image appears for few seconds and apps goes to background. I faced this problem after updating to iOS 9.2.1

For solving this problem I delete my app and reinstall it, then it works perfectly fine but lost all important data, so this is not the suitable solution.

I search for the possible solution but unable to find any help, so please help me to solve this problem.

https://www.dropbox.com/s/gzdkm3tq4qfnovq/appcrash.mov?dl=0

This happen to app when I launch

Thank you

Answer 1

Are you using any application security software like iXguard? I had faced a similar silent crash and it was due to iXguard obfuscating UIKit call sometime.

One way to resolve this is to add UIKit in the blacklist array.