Use this Google Analytics SDK for Android to track information like: app installations, active users and demographics, screens and user engagement, and crashes and exceptions. This SDK is in version 4 and requires the installation of Google's Android SDK prior to use. See the extensive documentation for instructions on how to get started tracking your app's statistics.
This is the part two of a three-part series covering KPIs for APIs, based on John Musser's presentation at the Business of APIs Conference. This post covers developer funnels and potential KPIs, measuring the app ecosystem, and how developer experience can make or break your API.