[Android]requestFeature() must be called before adding content

 public void onCreate(Bundle savedInstanceState){

        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        view = new MainView(getBaseContext());

        SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this);
        view.hasSaveState =settings.getBoolean("save_state",false);
        if (savedInstanceState != null) {
            if (savedInstanceState.getBoolean("hasState")) {
                //load();
            }
        }
        setContentView(view);
    }

requestWindowFeature(Window.FEATURE_NO_TITLE);