applicationDidBecomeActive not called while other delegate are called normally

Question

Like title, I'm facing a really strange bug on some my user device. I've search but I cant find any exactly same problem like me.

Here's some more detail about this bug:

• applicationDidBecomeActive is not called but other delegate (didFinishLaunchingWithOptions, applicationWillEnterForeground, applicationDidEnterBackground,...) are called normally.
• Bug disappear when restart device.
• Not always happen, all is working normally and then suddenly this bug appear and break my app flow.
• When my app is having this bug, other app are facing same bug too if they are using applicationDidBecomeActive to do something important (like Facebook Messenger as I can see, it cant reset unread message and badge number).

I believe this is an iOS system bug, anyone can confirm it? If not, how do I fix that? Thanks!

Answer 1

SceneDelegate in overwriting AppDelegate methods.

You can implement your code in SceneDelegate or Remove SceneDelegate from target: see how: https://stackoverflow.com/a/59006569/1111879