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POAndroid - capture/suppress Home and EndCall buttons events?
 

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  1. POAndroid - capture/suppress Home and EndCall buttons events?
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    <p>If you ever tried to write a locker app on Android sure you meet this problem: </p> <pre><code>boolean mBackPressed = false; @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN) { switch (keyCode) { case KeyEvent.KEYCODE_BACK: mBackPressed = true; break; case KeyEvent.KEYCODE_MENU: if (mBackPressed) unLock(); break; default: mBackPressed = false; showMessage(); break; } } return true; } private void showMessage() { Toast.makeText(getBaseContext(), "Back + Menu", Toast.LENGTH_SHORT) .show(); } private void unLock() { this.setResult(Activity.RESULT_OK); this.finish(); } </code></pre> <p>Seems like onKeyDown is filtering out all keys but "Back" and "Menu"...<br> <em>Well, it's not true!</em> Home button will still bring you Home screen and End Call button will run native Locker application! </p> <p>Fellow's out there also claim it as a problem:<br> <a href="http://groups.google.com/group/android-framework/browse_thread/thread/ddc9b724f0aa4fce" rel="nofollow noreferrer">How to listen from ENDCALL button</a><br> <a href="http://groups.google.co.jp/group/android-developers/msg/e5b3167d0c2768a5" rel="nofollow noreferrer">problem With Home Back screen button</a><br> <a href="http://groups.google.com/group/android-developers/browse_frm/thread/7500657bd508170" rel="nofollow noreferrer">Supressing Key presses in Activity, especially in Options Menu</a><br> <a href="http://code.google.com/p/android/issues/detail?id=4202" rel="nofollow noreferrer">Issue 4202: Feature Suggestion: permission for intercepting KEYCODE_CALL</a> </p> <p>Do you know any workaround to block two those buttons?<br> Is the only way (as often) - <em><a href="http://www.cs.bgu.ac.il/~omri/Humor/write_in_c.html" rel="nofollow noreferrer">write in C</a></em> ?</p>
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