GeoFire is an open-source library for Android/Java that allows you to store and query a set of keys based on their geographic location.
'com.firebase:geofire:1.0.0'
<dependency>
<groupId>com.firebase</groupId>
<artifactId>geofire</artifactId>
<version>1.0.0</version>
</dependency>
<dependency org="com.firebase" name="geofire" rev="1.0.0"/>
"com.firebase", "geofire", "1.0.0"