Want to Access Power Button events in android

Question

   i=0;
   public boolean onKeyDown(int keyCode, KeyEvent event) {
    System.out.println("In Key Down Method." + event.getKeyCode());
    if (event.getKeyCode() == KeyEvent.KEYCODE_POWER) {
        i++;
        System.out.println("Power button pressed.");
        if (i == 2) {
            System.out.println("Power button pressed continuoulsy 3 times.");
            Toast.makeText(MainActivity.this, "Power button pressed " + i + " times.", Toast.LENGTH_SHORT).show();
        } else {
            System.out.println("Power button pressed continuoulsy " + i + " times.");
            Toast.makeText(MainActivity.this, "Power button pressed " + i + " times.", Toast.LENGTH_SHORT).show();
        }
    }
    return super.onKeyDown(keyCode, event);
}

I am trying to access power button event using above code.Its working fine for Volume_Up and Volume_Down Key but not Working For Power/Lock Button.Why it happens? Suggest Some Example or code.

But its also not working. http://stackoverflow.com/questions/3703071/how-to-hook-into-the-power-button-in-android — Anil Ravsaheb Ghodake, May 11 '16 at 10:52

score 2 · Answer 1 · answered May 11 '16 at 09:16

2

You should add the following permission to your manifest file:

<uses-permission android:name="android.permission.PREVENT_POWER_KEY" />

answered May 11 '16 at 09:16

Gex

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This permission is no longer available. Its better to follow @Devendra Singh 's answer – Jerin Mar 04 '21 at 14:07

Want to Access Power Button events in android

1 Answers1

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