Query Realtime SF Bus Locations With GeoFire 2.0powered by Firebase What is GeoFire? GeoFire is a set of open-source libraries for JavaScript, Objective-C, and Java that allow you to store and query a set of items based on their geographic location. GeoFire uses the Firebase database for data storage, allowing query results to be updated in realtime as they change. GeoFire does more than just measure the distance between locations; it selective
