MainActivity for Google Play Game Integration with libgdx

public class MainActivity extends AndroidApplication implements GameServiceInterface, GameHelper.GameHelperListener {

    protected GameHelper mHelper;
    final static int RC_UNUSED = 9002;

    public MainActivity() {
        mHelper = new GameHelper(this);
        //mHelper.enableDebugLog(true, "MYTAG");
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

        Game.setPlatformResolver(new AndroidResolver());

        AndroidApplicationConfiguration cfg = new AndroidApplicationConfiguration();
        cfg.useGL20 = true;
        cfg.useAccelerometer = false;
        cfg.useCompass = false;

        mHelper.setup(this);

        initialize(new Game(this, cfg);
    }

    @Override
    public void onStart() {
        super.onStart();
        mHelper.onStart(this);
    }

    @Override
    public void onStop() {
        super.onStop();
        mHelper.onStop();
    }

    @Override
    public void onActivityResult(int request, int response, Intent data) {
        super.onActivityResult(request, response, data);
        mHelper.onActivityResult(request, response, data);
    }

    @Override
    public void showAchievements() {
        if (isSignedIn()) {
            startActivityForResult(mHelper.getGamesClient().getAchievementsIntent(), RC_UNUSED);
        } else {

        }
    }

    @Override
    public void showScores() {
        if (isSignedIn()) {       startActivityForResult(mHelper.getGamesClient().getLeaderboardIntent(getString(R.string.leaderboard_stars)), RC_UNUSED);
        } else {

        }
    }

    @Override
    public boolean isSignedIn() {
        return mHelper.isSignedIn();
    }

    @Override
    public void logOut() {
        try {
            runOnUiThread(new Runnable() {
                // @Override
                public void run() {
                    mHelper.signOut();
                }
            });
        } catch (final Exception ex) {

        }
    }

    @Override
    public void login() {
        try {
            runOnUiThread(new Runnable() {
                // @Override
                public void run() {
                    mHelper.beginUserInitiatedSignIn();
                }
            });
        } catch (final Exception ex) {

        }
    }

    @Override
    public void submitScore(int score) {
        if (mHelper.isSignedIn()){
            mHelper.getGamesClient().submitScore(getString(R.string.leaderboard_stars), score);
        }
    }

    @Override
    public void onSignInFailed() {
        System.out.println("Sign in failed");
    }

    @Override
    public void onSignInSucceeded() {
        System.out.println("Sign in succeeded");
    }

    @Override
    public void unlockAchievements(String achievementID) {
        if (mHelper.isSignedIn()){
            mHelper.getGamesClient().unlockAchievement(achievementID);
        }
        else {
        }
    }
}