How to Hide System Navigation Bar in Tablets?

Question

At my Tablet, it has following bar to control back, home etc. (I don't know the correct name, status bar? control bar? Action bar? or other)

In program, it use following method to have a full screen.

requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
requestWindowFeature(Window.PROGRESS_INDETERMINATE_OFF);

But I don't know why the bar still in here. Because of it, I can't have the correct screen size.

Who can tell me how to remove it?

Answer 1

public class Utils {

public static void hideNavigations(Activity context) {
    View decorView = context.getWindow().getDecorView();
    decorView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE
            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
            | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
            | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
            | View.SYSTEM_UI_FLAG_FULLSCREEN
            | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
}

}

In your Activity:

@Override
protected void onResume() {
    super.onResume();
    Utils.hideNavigations(this);
}