title: Android : close all the activities when Login activity is started
body: <p>I have two activity Login and Main, when the user start the application, the Main activity start and verify if the user is login, if not, the app redirect the user to the login activity.<br><br>All that works fine, but the problem when the Back Button click in login activity the app start the activity Main, I want the app exit.. <br>Any help please.</p>