How to recognize the native "back" button of the android device in an application.

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1

I would like to know how do I detect in an application that the user clicked the "Back" button native to the device. Well, I need to take action if that happens.

    
asked by anonymous 15.09.2016 / 23:01

1 answer

4

Using the method: 

@Override
public void onBackPressed() {
   //aqui você controla o voltar fisico do aparelho
}
    
15.09.2016 / 23:02
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