java - Android studio finish(); doesnt kill the activity and it is running in background -

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i have multiple activities on android application.

when jump 1 activity next activity finish(); previous activity still running in background , creates issue application.

how can stop activity stop running???

open each activity this. finish current 1 , should stop them stacking.

    intent intent = new intent(this, yourmainactivity.class);     startactivity(intent);     finish();

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