How to use this.getCurrentActivity method in Appium Android Driver

...326}327ViewManager.prototype.navigateTo = function (_id)328{329	if (this.isCurrentActivityValid() === true)330		this.getCurrentActivity().onLeaveActivity();331	332	this.setCurrentActivityByID(_id);333	if (this.isCurrentActivityValid() === true)334	{335		msglog("ENTER TO: " + this.getCurrentActivity().getActivityName());336		this.getCurrentActivity().onEnterActivity();337	}338};339ViewManager.prototype.initializeActivities = function ()340{341	chClearArray(this.m_activities);342	var activities = this.m_dataContext.createActivities();343	this.registerActivities(activities);344	for (var i = 0; i < this.m_activities.length; i++) 345	{346		this.m_activities[i].initialize();347	}348};349ViewManager.prototype.animationCycle = function ()350{351	var elapsedTime = (this.m_currentDate - this.m_startTime);352	var timerFrec = (Date.now() - this.m_currentDate);353	// updates354	if (this.updateTimer() === true)355	{356		this.m_counterFPS++;357		// handle inputs358		this.handleInputs();359		// game logic360		this.implementGameLogic();361		// render362		this.render();363		this.m_messageByCycle = "FPS=" + Math.round(1000 / elapsedTime, 2) + ", Cycle (ms)=" + Math.round(elapsedTime, 2);364	}365	// log366	if (C_LOG === true)367	{368		this.m_messageByTick = "Timer (ms)=" + Math.round(timerFrec, 2) + ", ";369		this.m_messageByTick += 'MP=' + Math.round(this.m_mouseManager.m_mousePosX,0) + ',' + Math.round(this.m_mouseManager.m_mousePosY, 0) + "," + this.m_mouseManager.m_mouseClick;370		writeMessageXY(this.m_canvasEx.m_context, this.m_messageByTick, 10, 10, C_DEBUG_MODE);371		writeMessageXY(this.m_canvasEx.m_context, this.m_messageByCycle, 200, 10, C_DEBUG_MODE);372		writeMessageXY(this.m_canvasEx.m_context, this.m_mouseManager.m_externalLogString, 350, 10, C_DEBUG_MODE);373	}374	// Request new animation cycle.375	requestAnimFrame376	(377		function() 378		{379			ViewManager.self.animationCycle(); 380		}381	);382};383// Update timer.384ViewManager.prototype.updateTimer = function ()385{386	var result = false;387	this.m_currentDate = Date.now();388	389	if ((this.m_currentDate - this.m_startTime) >= C_FPS_MS)390	{391		this.m_startTime = this.m_currentDate;392		result = true;393	}394	return result;	395}396ViewManager.prototype.handleInputs = function ()397{398	this.getKeyboardManagerInstance().implementGameLogic();399	this.getCurrentActivity().handleInputs();400};401ViewManager.prototype.implementGameLogic = function ()402{403	this.getCurrentActivity().implementGameLogic();404};405ViewManager.prototype.render = function ()406{407	// clear408	if (this.m_refresh === true)409	{410        this.m_canvasEx.m_context.clearRect(0, 0, this.m_canvasEx.m_canvas.width, this.m_canvasEx.m_canvas.height);411        //renderRectangle(this.m_canvasEx.m_canvas, this.m_canvasEx.m_context, 0,0,this.m_canvasEx.m_canvas.width, this.m_canvasEx.m_canvas.height);412		this.getCurrentActivity().render();413	}414	this.m_refresh = true;415};416ViewManager.prototype.onRefresh = function ()417{418	this.m_refresh = true;419}420ViewManager.prototype.initializeWebglManager = function ()421{422	var result = true;  423	this.getWebglManagerInstance();424	try425	{426		this.m_webglManager.init(this.m_document, this.m_canvasEx);...

...130     * @returns Promise131     */132    HarmonyClient.prototype.isOff = function () {133        debug('check if turned off');134        return this.getCurrentActivity()135            .then(function (activityId) {136            var off = (activityId === '-1');137            debug(off ? 'system is currently off' : 'system is currently on with activity ' + activityId);138            return off;139        });140    };141    /**142     * Acquires all available commands from the hub when resolving the returned promise.143     *144     * @returns Promise145     */146    HarmonyClient.prototype.getAvailableCommands = function () {147        debug('retrieve available commands');148        return this.request('config', undefined, 'json')...

...26    this.onRegionChange = this.onRegionChange.bind(this);27    this.toggleLocationTracking = this.toggleLocationTracking.bind(this);28  }29  componentDidMount() {30    this.getCurrentActivity();31    this.getCurrentLocation();32    this.startLocationTracking();33    this.startActivityTracking();34    this.startUpdateTracking();35  }36  componentWillUnmount() {37    this.stopLocationTracking();38    this.stopActivityTracking();39    this.stopUpdateTracking();40  }41  startLocationTracking() {42    this.locationInterval = setInterval(this.getCurrentLocation, 2000);43  }44  stopLocationTracking() {...

...64				if( this.next < Date.now() ){65					this.next = Date.now() + this.interval66					this.id = ++this.id % this.activities.length67				}68				const activity = this.getCurrentActivity()69				if( !activity ) return70				let text = String( activity.static71					? activity.string72					: activity.callback( activity )73				)74				if( this.text !== text ){75					this.text = text76					client.user.setActivity( text, { type: activity.type } )77				}78			}79			static reset(){80				this.id = -181				this.text = ''82				this.next = Date.now() + 15e3...

...33    return activity.correctAnswer === currentAnswer;34  }35  isCorrect() {36    const {currentAnswer} = this.props;37    const activity = this.getCurrentActivity();38    return activity && this.checkAnswer(activity, currentAnswer);39  }40  hideLesson() {41    store.dispatch({42      id,43      type: actions.HIDE_LESSON44    });45  }46  showLesson() {47    store.dispatch({48      id,49      type: actions.REVEAL_LESSON50    })51  }...

...27    }28    render() {29        return (30            <div id="focus-mode-div">31                {this.getCurrentActivity()}32            </div>33            34        );35    }36}...

...13    const {pathname, search} = this.history.location14    return this.router.buildActivityFromLocation(pathname, search.replace(/^\?/, ''))15  }16  setActivity(activity, method = 'push') {17    const currentActivity = this.getCurrentActivity()18    if (activity.url === currentActivity.url) {19      return20    }21    if (method === 'replace') {22      this.history.replace(activity.url)23    } else {24      this.history.push(activity.url)25    }26  }27  setQuery(queryDatum, method = 'push') {28    const {name, params} = this.getCurrentActivity()29    const activity = this.router.buildActivity(name, params, queryDatum)30    this.setActivity(activity, method)31  }32  updateQuery(queryDatum, method = 'push') {33    const {query} = this.getCurrentActivity()34    this.setQuery({...query, ...queryDatum}, method)35  }36  subscribe(callback) {37    return this.history.listen(location => {38      const {pathname, search} = location39      callback(this.router.buildActivityFromLocation(pathname, search))40    })41  }...

...8    return Math.floor((new Date() - start) / 60000);9  }10  updateCurrentActivity(currentActivity) {11    if (currentActivity !== "") {12      const completedActivity = this.getCurrentActivity();13      realm.write(() => {14        completedActivity.endTime = new Date();15        completedActivity.duration = findDuration(completedActivity.startTime);16      });17    }18    const activity = currentActivity;19    activity.startTime = new Date();20    activity.id = new Date();21    activity.endTime = null;22    activity.duration = null;23    realm.write(() => {24      realm.create("CurrentActivity", activity);25    });26  }...