Configure Mixpanel

import android.util.Log;
import com.mixpanel.android.mpmetrics.MixpanelAPI;
import com.optimizely.ab.config.Experiment;
import com.optimizely.ab.config.Variation;
import com.optimizely.ab.notification.NotificationListener;
import org.json.JSONException;
import org.json.JSONObject;

optimizelyManager.getOptimizely().getNotificationCenter().addNotificationListener(NotificationCenter.NotificationType.Activate, new ActivateNotificationListener() {
    @Override
    public void onActivate(Experiment experiment, String userId, Map<String, ?> attributes, Variation variation, LogEvent event) {
    String experimentKey = experiment.getKey();
    String variationKey = variation.getKey();

    // Mixpanel instance
    String projectToken = YOUR_PROJECT_TOKEN;
    MixpanelAPI mixpanel = MixpanelAPI.getInstance(this, projectToken);

    try {
      // "Super property" will be sent with all future track calls
      JSONObject props = new JSONObject();
      props.put("[Optimizely] " + experimentKey, variationKey);
      mixpanel.registerSuperProperties(props);
    } catch (JSONException e) {
      Log.e("MYAPP", "Unable to add properties to JSONObject", e);
    }

    // Set "People property" for the user
    mixpanel.getPeople().set(
        "[Optimizely] " + experimentKey, variationKey);

    // Track impression event (optional)
    mixpanel.track(
        "[Optimizely] " + experimentKey + " - " + variationKey);
  }
});

// Notification Listeners execute whenever a bucketing decision is made on a visitor for an A/B Test or Targeted Delivery.
// https://docs.developers.optimizely.com/feature-experimentation/docs/set-up-notification-listener-javascript
const onDecision = ({ type, userId, attributes, decisionInfo }) => {
  // Check if a decision event was dispatched. This will only happen if the visitor is put into an A/B Test.
  if (decisionInfo['decisionEventDispatched']) {
    // Get experiment bucketing info
    let experimentKey = "[Optimizely] " + decisionInfo['ruleKey']
    let variationKey = decisionInfo['variationKey']
    let decisionObject = {};
    decisionObject[experimentKey] = variationKey;
    
    // https://docs.mixpanel.com/docs/data-structure/property-reference
    // Set Mixpanel Super Property with experiment bucketing info. This will include experiment bucketing info with all future track calls.
    mixpanel.register(decisionObject);
    
    // (Optional) Set Mixpanel User Profile Property with experiment bucketing info.
    mixpanel.people.set(decisionObject);
    
    // (Optional) Set Mixpanel experiment_viewed event with experiment bucketing info.
    mixpanel.track("experiment_viewed", decisionObject);
}
  
const notificationId = optimizelyClient.notificationCenter.addNotificationListener(enums.NOTIFICATION_TYPES.DECISION, onDecision);