Android App quits automatically if its idle for some hours -

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i created new android app , succeeded in working. functionality working fine. while starting ask use name , password.
problem "if application idle 4 5 hours, automatically quit , while restarting again asking login"
need know how avoid automatic quit of app. i'm sorry if simple or asked quetions.

i need know how avoid automatic quit of app.

no, not. redirect user log in again, or, @rasel suggests, persistently cache credentials in file or database or something.

android applications not , must not live forever. phones have limited ram. android terminate unused applications after period of inactivity, free ram other applications. normal, normal user close web browser after visiting web app.


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