ToeJamson

var pubnub = new PubNub({
    publishKey:   'YOUR_KEYS_HERE',
    subscribeKey: 'YOUR_KEYS_HERE'
  });
var xhr = new XMLHttpRequest();

ToeJamson

{
    "timestamp": "2016-08-23T22:31:40.255Z",
    "Novato": {
        "geo": "38.1074° N, 122.5697° W",
        "temperature": {
            "F": "99.9",
            "C": "37.7"
        },
        "humidity": "40.965",
        "barometric": "1011.8",

ToeJamson

public class FlightPathsTabContentFragment extends Fragment implements OnMapReadyCallback {
    ...
    private static ImmutableMap<String, String> getNewLocationMessage(String userName, int randomLat, int randomLng, long elapsedTime) {
        String newLat = Double.toString(generatorOriginLat + ((randomLat + elapsedTime) * 0.000003));
        String newLng = Double.toString(generatorOriginLng + ((randomLng + elapsedTime) * 0.00001));
        return ImmutableMap.<String, String>of("who", userName, "lat", newLat, "lng", newLng);
    }
    ...
    private void scheduleRandomUpdates() {
        this.executorService = Executors.newSingleThreadScheduledExecutor();

ToeJamson

public class FlightPathsMapAdapter {
    ...
    private List<LatLng> polylinePoints;
    ...
    public void locationUpdated(final Map<String, String> newLocation) {
        if (newLocation.containsKey("lat") && newLocation.containsKey("lng")) {
            String lat = newLocation.get("lat");
            String lng = newLocation.get("lng");
            doUiUpdate(new LatLng(Double.parseDouble(lat), Double.parseDouble(lng)));
        } else {

ToeJamson

public class FlightPathsPnCallback extends SubscribeCallback {
    ...
    @Override
    public void message(PubNub pubnub, PNMessageResult message) {
        if (!message.getChannel().equals(watchChannel)) {
            return;
        }
        try {
            Log.d(TAG, "message: " + message.toString());
            Map<String, String> newLocation = JsonUtil.fromJson(message.getMessage().toString(), LinkedHashMap.class);

ToeJamson

...
@Override
public void onMapReady(GoogleMap map) {
    this.map = map;
    pubNub.addListener(new FlightPathsPnCallback(new FlightPathsMapAdapter((Activity) this.getContext(), map), Constants.FLIGHTPATHS_CHANNEL_NAME));
    pubNub.subscribe().channels(Arrays.asList(Constants.FLIGHTPATHS_CHANNEL_NAME)).execute();
    scheduleRandomUpdates();
}
...

ToeJamson

public class FlightPathsTabContentFragment extends Fragment implements OnMapReadyCallback {
    ...
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_flightpaths, container, false);
        SupportMapFragment mapFragment = (SupportMapFragment) getChildFragmentManager()
               .findFragmentById(R.id.map_flightpaths);
        mapFragment.getMapAsync(this);
        return view;

ToeJamson

public class LocationHelper implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener, LocationListener {
    ...
    public LocationHelper(Context context, LocationListener mLocationListener) {
        this.mGoogleApiClient = new GoogleApiClient.Builder(context)
                .addConnectionCallbacks(this)
                .addOnConnectionFailedListener(this)
                .addApi(LocationServices.API)
                .build();
        this.mGoogleApiClient.connect();
        this.mLocationListener = mLocationListener;

ToeJamson

public class LocationPublishMapAdapter {
    ...
    public void locationUpdated(final Map<String, String> newLocation) {
        if (newLocation.containsKey("lat") && newLocation.containsKey("lng")) {
            String lat = newLocation.get("lat");
            String lng = newLocation.get("lng");
            doUiUpdate(new LatLng(Double.parseDouble(lat), Double.parseDouble(lng)));
        } else {
            Log.w(TAG, "message ignored: " + newLocation.toString());
        }

ToeJamson

public class LocationPublishPnCallback extends SubscribeCallback {
    ...
    @Override
    public void message(PubNub pubnub, PNMessageResult message) {
        if (!message.getChannel().equals(watchChannel)) {
            return;
        }
        try {
            Log.d(TAG, "message: " + message.toString());
            Map<String, String> newLocation = JsonUtil.fromJson(message.getMessage().toString(), LinkedHashMap.class);