Hide Notification bar

Question

Anyone know how to disable/hide notification bar at the top which show battery and other things in android. Any help will be appreciated.

EDIT: Plea

Answer 1

You can use this for 4.1 or upper versions.

View decorView = getWindow().getDecorView();    
int uiOptions = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN;
decorView.setSystemUiVisibility(uiOptions);