Simulate killing of activity in emulator

Question

I would like to test out onSaveInstanceState and onRestoreInstanceState for my app on the emulator.

I have found this, which says that we c

Answer 1

To test the onSaveInstanceState and onRestoreInstanceState events you can use the SetAlwaysFinish utility (see link below). It uses a hidden system setting called Always Finish to change the behavior of the Android system. With the Always Finish option enabled, the Android OS will immediately unload any activity that moves from the foreground to the background, triggering its onSaveInstanceState event. Then, when the system needs the activity again, it is forced to reload it triggering the onRestoreInstanceState event.

The advantage of this method compared to killing the process is that it's easier and you get finer control (activity level rather than process level).

See the blog post below for more details on the tool and how to use it: http://bricolsoftconsulting.com/how-to-test-onsaveinstancestate-and-onrestoreinstancestate-on-a-real-device/

The Always Finish feature is also present in the emulator in the DevTools app under Development Settings > Immediately destroy activities. However, the DevTools app does not work outside of the emulator.