install referrer data on Android

AndroidManifest.xml

 <!-- Used for Google Play Store Campaign Measurement -->
       <receiver
android:name=“.broadcastreceivers.CampaignTrackingReceiver”
           android:enabled=“true”
           android:exported=“true”>
           <intent-filter>
               <action android:name=“com.android.vending.INSTALL_REFERRER” />
           </intent-filter>
       </receiver>

BroadcastOnReceive.java

public void onReceive(Context context, Intent intent) {
       if (intent != null) {
           try {
               BaseApp app = ((BaseApp) context.getApplicationContext());
               FirebaseAnalytics firebaseAnalytics = app.getFirebaseAnalytics();

               mSharedPreferencesApp = context.getSharedPreferences(
                       context.getPackageName() + “.APP”, Context.MODE_PRIVATE);

               int currentVersion = app.getPackageManager()
                       .getPackageInfo(app.getPackageName(), 0).versionCode;

               String referrer = intent.getStringExtra(“referrer”);
               String action = intent.getAction();
               if (“com.android.vending.INSTALL_REFERRER”.equals(action) && !TextUtils.isEmpty(referrer)) {
                   mSharedPreferencesApp.edit().putString(“referrer”, referrer).apply();
                   app.gaTrackEvent(“AppInstall”,
                           “AppInstall”,
                           “Playstore install v” + currentVersion + “. Referrer: ” + referrer);
                   firebaseAnalytics.setUserProperty(“referrer”, referrer);
               } else {
                   mSharedPreferencesApp.edit().putString(“referrer”, “NONE”).apply();
                   app.gaTrackEvent(“AppInstall”,
                           “AppInstall”,
                           “Playstore install v” + currentVersion + “. No referrer.“);
               }
           } catch (ClassCastException e) {
               Log.e(BaseApp.LOGTAG,
                       “CampaignTrackingReceiver::onReceive: Could not get App from context”, e);
           } catch (PackageManager.NameNotFoundException e) {
               Log.e(BaseApp.LOGTAG,
                       “CampaignTrackingReceiver::onReceive: Could not get App version”, e);
           } catch (NullPointerException e) {
               Log.e(BaseApp.LOGTAG,
                       “CampaignTrackingReceiver::onReceive: Something was null”, e);
           }
       }

       new CampaignTrackingReceiver().onReceive(context, intent);
   }