KioskActivity.java

 @Override 
    protected void onPostCreate(Bundle bundle) {
        super.onPostCreate(bundle);
 
 
        getActionBar().hide();
 
 
        View decorView = getWindow().getDecorView();
        decorView.setSystemUiVisibility(
                View.SYSTEM_UI_FLAG_FULLSCREEN
              | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
              | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
 
 
        provisionOwner(); 
    }