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ANALYTICS.md

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Analytics

Enabling Analytics

This plugin has had enalytics enabled since day 1 to collect usage and behavior data for your app. However, you were not able to push your own events. That changed with version 3.6.0 😃🔥

Beware that your Analytics events in the Firebase console dashboards are updated periodically throughout the day, not real-time.

Functions

analytics.setScreenName

By default Firebase will log the classname, but since all your NativeScript screens run inside the same UIViewController (iOS) / Activity (Android), the screenlogs won't be of much use. That's where this function comes in. Simply call setScreenName on every page your app routes to.

  firebase.analytics.setScreenName({
    screenName: "User settings"
  }).then(
      function () {
        console.log("Screen name set");
      }
  );

analytics.logEvent

Events can be used to analyze what is happening in your app, such as user actions, system events, or errors.

Analytics automatically logs some events for you; you don't need to add any code to receive them. If your app needs to collect additional data, you can log up to 500 different Analytics Event types in your app. There is no limit on the total volume of events your app logs.

For a list of predefined Events check this Android reference. Just copy the String values - these are also available on iOS.

  firebase.analytics.logEvent({
    key: "add_to_cart",
    parameters: [ // optional
      {
        key: "item_id",
        value: "p7654"
      },
      {
        key: "item_name",
        value: "abc"
      }]
  }).then(
      function () {
        console.log("Firebase Analytics event logged");
      }
  );

analytics.setUserProperty

User properties are attributes you define to describe segments of your userbase, such as language preference or geographic location.

Analytics automatically logs some user properties; you don't need to add any code to enable them. If your app needs to collect additional data, you can set up to 25 different Analytics User Properties in your app.

You own properties need to be preregistered with Firebase before you can use them, so add a property for all relevant platforms like this:

User properties

  firebase.analytics.setUserProperty({
    key: "origin",
    value: "demoapp"
  }).then(
      function () {
        console.log("Analytics user property set");
      }
  );

analytics.setUserId

Want to log a user ID with your analytics data? Go ahead:

  firebase.analytics.setUserId({
    userId: "whatever-you-want"
  }).then(
      function () {
        console.log("Analytics userId set");
      }
  );

analytics.setAnalyticsCollectionEnabled

By default Firebase collects analytics data. If you don't want this (or first get user consent), you can disable/enable this at runtime:

  firebase.analytics.setAnalyticsCollectionEnabled(false);

You can also pass this property during init():

  firebase.init({
    analyticsCollectionEnabled: false
  });

If you want to disable collection without calling this function programmatically, then you can add a flag to your App_Resources/iOS/Info.plist and App_Resources/Android/AndroidManifest.xml, see Firebase's documentation for details.