GeoFire for Java

Queries provide instant results as locations change, using Firebase's realtime synchronization to stream updates, as highlighted in the event-driven API for key entry, exit, and movement.

Loads only data within specified geographic areas, ensuring fast responses even with massive datasets by minimizing data transfer, which is a core feature mentioned in the README.

Stores location data in a separate format without altering existing Firebase structures, allowing easy addition to current projects, as described in the 'Integrating GeoFire with your data' section.

Offers listeners for key entry, exit, movement, and data changes, enabling detailed tracking and reactive application logic, with examples provided for GeoQueryEventListener and GeoQueryDataEventListener.