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How to close my Android app when i click the back button from my mobile?

I have created an Android app.

I need to close or exit my application when I click the back button from my mobile.

How can I achieve that?

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by (71.8m points)

you have to handle the back button functionality

@Override
public void onBackPressed() {
    // TODO Auto-generated method stub
    super.onBackPressed();
    finish();
}

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