How to make an activity stop, rather then be destroyed, from the BACK key?

Question

Right now an activity gets destroyed when the BACK key is pressed. How can I make it just stop ( i.e. keep all the variables, etc. alive ), rather then be destroyed?

Answer 1

Just specify in the manifest for the activity as

 android:persistent="true"

That should prevent your activity getting destroyed. To know more about this please refer to these below links which were answered by me

How to prevent call of onDestroy() after onPause()?

Prevent activity from being destroyed as long as possible

In the above posts I have explained in detail with a use case