package com.garagegames.torque2d;

import android.app.NativeActivity;
import android.view.View;
import android.os.Bundle;


public class MyNativeActivity extends NativeActivity {
  static {
    System.loadLibrary("openal"); 
  }

  @Override
  public void onWindowFocusChanged(boolean hasFocus) {
    super.onWindowFocusChanged(hasFocus);
    if (hasFocus) {
        getWindow().getDecorView().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);}
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     getWindow().getDecorView().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);
    }
}

package com.garagegames.torque2d;

import android.app.NativeActivity;
import android.view.View;
import android.os.Bundle;


public class MyNativeActivity extends NativeActivity {
  static {
	System.loadLibrary("torque2d");
    System.loadLibrary("openal");
  }

  @Override
  public void onWindowFocusChanged(boolean hasFocus) {
    super.onWindowFocusChanged(hasFocus);
    if (hasFocus) {
        getWindow().getDecorView().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);}
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     getWindow().getDecorView().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);
    }
}

Update MyNativeActivity.java