Android P Activity Lifecycle Bug
This is a sample app that demonstrates an Android P lifecycle bug.
Issue:
When resuming an app from the Overview (multitasking) screen, Activity.onResume() is called for all activities in the app backstack when android:windowIsTranslucent="true" is applied to the app theme (or each Activity theme). This is a regressionn from Android Oreo, and all lower API levels. Only the topmost screen should see the Activity.onResume() event.
Steps to reproduce:
- Open default launcher activity,
MainActiivty - Tap the "Go to Second Activity" button to go to
SecondActivity - Tap the "Go to Third Activity" button to go to
ThirdActivity - Open the Overview (multitasking) screen
- Go back to the sample app
- Observe Logcat results
Expected Logcat results:
D/ThirdActivity: onResume()
Actual Logcat results:
D/ThirdActivity: onResume()
D/SecondActivity: onResume()
D/MainActivity: onResume()