nativescript-google-analytics/index.android.js

Integrate native google analytics iOS and Android widgets into NativeScript

/// https://developers.google.com/analytics/devguides/collection/android/v4


var settings = {
    logging: null
};

exports.initalize = function (config) {
    if(config.trackingId){
        var context = getContext();
        var gai = com.google.android.gms.analytics.GoogleAnalytics.getInstance(context);
        var tracker = gai.newTracker(config.trackingId);
        tracker.enableExceptionReporting(true);

        if (config.enableDemographics) {
            tracker.enableAdvertisingIdCollection(true);
        }

        if(config.dispatchInterval){
            gai.setLocalDispatchPeriod(config.dispatchInterval);
        }


        if(config.userId){
            var gAIUserId = "&uid"; //kGAIUserId
            tracker.set(gAIUserId, config.userId);
        }


        if(config.logging){
            settings.logging = config.logging;

            if(config.logging.native){
                console.log("To enable debug logging use: adb shell setprop log.tag.GAv4 DEBUG");
            }
        }

        global.gaInstance = gai;
        global.gaTracker = tracker;

        //setup timers
        global.gaTimers = [];
    }else{
        throw "Sup boss, how do you plan on tracking with no trackingId?  Please add it to the config";
    }
}

exports.logView = function(viewname){
    logToConsole("Analytics Event: Log Screen View: " + viewname + " at " + new Date());
    global.gaTracker.setScreenName(viewname);
    var builtEvent = new com.google.android.gms.analytics.HitBuilders.ScreenViewBuilder().build();
    global.gaTracker.send(builtEvent);
}

exports.logEvent = function(data){
    logToConsole("Analytics Event:" + JSON.stringify(data) + " at " + new Date());
    var event = new com.google.android.gms.analytics.HitBuilders.EventBuilder().setCategory(data.category).setAction(data.action);

    if(data.label && data.label !== "" && data.label !== null)
        event.setLabel(data.label);

    if(data.value && data.value !== "" && data.value !== null)
        event.setValue(data.value);

    var builtEvent = event.build();

    global.gaTracker.send(builtEvent);
}


exports.logException = function (data) {
    var description = "";
    var fatal = "";

    if( typeof data === 'object') {
        description = data.description;
        fatal = (data.fatal) ? data.fatal : false;
    }
    else {
        //not object
        description = data;
        fatal = false;
    }

    if (description.length > 100) {
        console.log("GA Limits descriptions to 100 characters https://developers.google.com/analytics/devguides/collection/android/v4/exceptions");
    }

    logToConsole("Logging GA Exception: " + description);

    var event = new com.google.android.gms.analytics.HitBuilders.ExceptionBuilder().setDescription(description).setFatal(fatal);
    var builtEvent = event.build();

    global.gaTracker.send(builtEvent);
}


exports.dispatch = function (args){
    logToConsole("Flushing dispatch event queue");
    global.gaInstance.dispatchLocalHits();
};


exports.getTracker = function () {
    return global.gaTracker;
}


//## TIMING FUNCTIONS ##
//Raw Timer
exports.logTimingEvent = function (data) {
    logTiming(data);
}

//Start
exports.startTimer = function (timerName, data) {
    global.gaTimers.push({
        name: timerName,
        value: new Date(),
        data: data
    })
}

//End
exports.stopTimer = function (timerName) {
    var endTime = new Date();
    var foundTimer = false;

    //Find the timer
    for(var i = 0; i < global.gaTimers.length; i++){
        var timer = global.gaTimers[i];
        if(timer.name == timerName){
            foundTimer = true;

            //set timer
            timer.data.value = endTime.getTime() - timer.value.getTime();

            //Process event
            logTiming(timer.data);
            global.gaTimers.splice(i,1);
            break;
        }
    }

    if(!foundTimer){
        logToConsole("Unable to find timer start event named " + timerName);
    }
}


function logTiming(data){
    logToConsole("Analytics Timing Event:" + JSON.stringify(data) + " at " + new Date());
    var event = new com.google.android.gms.analytics.HitBuilders.TimingBuilder().setCategory(data.category).setValue(data.value);

    if(data.name && data.name !== "" && data.name !== null)
        event.setVariable(data.name);

    if(data.label && data.label !== "" && data.label !== null)
        event.setLabel(data.label);

    var builtEvent = event.build();

    global.gaTracker.send(builtEvent);
}

function logToConsole(message){
    if(settings.logging){
        if(settings.logging.console){
            console.log(message);
        }
    }
}

function getContext() {
    var ctx = java.lang.Class.forName("android.app.AppGlobals").getMethod("getInitialApplication", null).invoke(null, null);
    if (ctx) { return ctx; }

    return java.lang.Class.forName("android.app.ActivityThread").getMethod("currentApplication", null).invoke(null, null);
}