GeofenceController.java

public class GeofenceController {
..

 public GoogleApiClient getGoogleApiClient(){
    return googleApiClient;
  }
    
  public GeofencingRequest getAddGeofencingRequest() {
    List<Geofence> geofencesToAdd = new ArrayList<>();
    geofencesToAdd.add(geofence);
    GeofencingRequest.Builder builder = new GeofencingRequest.Builder();
    builder.setInitialTrigger(GeofencingRequest.INITIAL_TRIGGER_ENTER);
    builder.addGeofences(geofencesToAdd);
    return builder.build();
  }
}