Close all running activities in an android application?

Question

I create one application and never use finish() for each activity. If my user clicks on the logout button it goes to the previous page.

How can I close my previous

Answer 1

use finish() for each activity

1) Activity lifecycle

2) Shutting down Activity and managing Activities lifecycle

3) The same question answered in detail (2 approaches - Broadcast Receiver (+1) and Intent.FLAG_ACTIVITY_CLEAR_TOP)