Not really? I mean maybe dumpsys window might give you a hint if the memory address of an activity changes, but it's not really an intended usage and I'm not sure it's fine-grained enough for that

But this is like ground-truth stuff about Android, about as immutable as it gets: https://developer.android.com/guide/topics/resources/runtime...

The best time to fix it was before the G1 launched and the 2nd best would have been right after, but here we are more than a decade later paying for its sins.

12 years ago people were asking for this stuff: https://www.reddit.com/r/Android/comments/djp18/i_know_its_s...