GoogleAnalytics.swift

import GoogleAnalytics

class GoogleAnalytics: Analytics {
    func setup() {
        GAI.sharedInstance().tracker(withTrackingId: "UA-123456789-1")
    }
    func track(event: String) {
        // Common you are google... this is not a nice way to design an API.
        guard let tracker = GAI.sharedInstance().defaultTracker else { return }
        let toSend = GAIDictionaryBuilder.createEvent(withCategory: event, 
                                                      action: nil, 
                                                      label: nil, 
                                                      value: nil).build() as [NSObject: AnyObject]
        tracker.send(toSend)
    }
}