private void sendBeaconChangeMessage(Beacon beacon) {
String uuid = beacon.getId1().toString();
// Payload
SaneJSONObject payload = new SaneJSONObject();
payload.putOrIgnore("platform", "android");
payload.putDoubleOrIgnore("version", VERSION);
// Beacon
SaneJSONObject beaconJSON = new SaneJSONObject();
beaconJSON.putOrIgnore("uuid", uuid);
payload.putJSONOrIgnore("beacon", beaconJSON);
// Proximity
payload.putJSONOrIgnore("proximity", getProximity(beacon));
// Message
SaneJSONObject message = new SaneJSONObject();
JSONArray devices = new JSONArray();
devices.put("*");
message.putArrayOrIgnore("devices", devices);
message.putJSONOrIgnore("payload", payload);
message.putOrIgnore("topic", "location_update");
// Send
BeaconInfo beaconInfo = getBeaconInfo(this.beaconInfo, uuid);
Double distance = beacon.getDistance();
if (beaconInfo.hasChangedDistance(distance)) {
meshblu.message(message);
emitter.emit(EVENTS.LOCATION_UPDATE, payload, beaconInfo);
}
beaconInfo.setLastDistance(distance);
}
private void beaconRangeChange(Collection<Beacon> beacons, Region region) {
for (Beacon beacon : beacons) {
String uuid = beacon.getId1().toString();
DecimalFormat df = new DecimalFormat("#.000");
String distance = df.format(beacon.getDistance());
Log.d(TAG, "Beacon (" + uuid.substring(0, 8) + ") is about " + distance + " meters away.");
Boolean enabled = isBeaconEnabled(uuid);
if (enabled != null) {
if (enabled) {
sendBeaconChangeMessage(beacon);
}
} else {
emitter.emit(EVENTS.DISCOVERED_BEACON, beacon);
}
}
}