/** send user location to server */
public void sendLocation(double lat, double lon) {
if (connection != null && connection.isConnected()) {
JSONObject json = new JSONObject();
try {
json.put("lon", lon);
json.put("lat", lat);
} catch (JSONException e) {
SLog.e(TAG, e.getMessage());
}
String message = json.toString();
SLog.d(TAG, "trying to send: " + message);
connection.sendTextMessage(message);
}
}
@Override
public void onTextMessage(String response) {
WakeLock wakelock =
((PowerManager) getSystemService(POWER_SERVICE))
.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "SocketServiceLock");
wakelock.acquire();
SLog.d(TAG, "recieved: " + response);
handleMessage(response, wakelock);
}
@Override
public void onOpen() {
isConnecting = false;
SLog.d(TAG, "Connected to websocket");
if (connectionWakeLock != null && connectionWakeLock.isHeld()) {
connectionWakeLock.release();
}
initLocationClient();
}
/** start listen for location updates */
private void startUpdateLocation() {
LocationRequest request =
LocationRequest.create()
.setPriority(LocationRequest.PRIORITY_LOW_POWER)
.setInterval(Consts.LOCATION_UPDATE_TIME)
.setFastestInterval(Consts.LOCATION_UPDATE_TIME);
locationClient.requestLocationUpdates(request, locationListener);
SLog.d(TAG, "Location update started");
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
// allow to use service when device is inactive
WakeLock wakelock =
((PowerManager) getSystemService(POWER_SERVICE))
.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "SocketServiceLock");
wakelock.acquire();
SLog.d(TAG, "onStartCommand");
if (intent != null) {
SLog.d(TAG, intent.toUri(0));
}
shutDown = false;
// initialize connection
if (connection == null || (!connection.isConnected() && !isConnecting)) {
connectionWakeLock =
((PowerManager) getSystemService(POWER_SERVICE))
.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "SocketService_clientLock");
connection = new WebSocketConnection();
try {
isConnecting = true;
connection.connect(
String.format(
Consts.SERVER_URL, Settings.getUserLogin(this), Settings.getUserPassword(this)),
new WebSocketHandlerImpl());
// wake lock will be released in connection listener;
} catch (WebSocketException e) {
SLog.e(TAG, e.getMessage());
if (connectionWakeLock != null && connectionWakeLock.isHeld()) {
connectionWakeLock.release();
}
}
// start shutting down
} else if (intent != null) {
if (ACTION_SHUT_DOWN.equals(intent.getAction())) {
shutDown = true;
if (connection.isConnected()) connection.disconnect();
}
}
wakelock.release();
return START_STICKY;
}
@Override
public void onClose(int code, String reason) {
isConnecting = false;
SLog.d(TAG, String.format("Disconnected! Code: %d Reason: %s", code, reason));
if (!shutDown) {
startService(startIntent(SocketService.this));
} else {
stopSelf();
}
if (connectionWakeLock != null && connectionWakeLock.isHeld()) {
connectionWakeLock.release();
}
}
@Override
public void onDestroy() {
super.onDestroy();
SLog.d(TAG, "Destroying Service " + this.toString());
// disconnect web socket
if (connection != null && connection.isConnected()) connection.disconnect();
// detach active parsing task to prevent NPE
if (parseTask != null) {
parseTask.detachCallback();
}
// remove location update
if (locationClient != null && locationClient.isConnected() && locationListener != null) {
locationClient.removeLocationUpdates(locationListener);
}
}
@Override
public void onCreate() {
super.onCreate();
SLog.d(TAG, "Creating Service " + this.toString());
}
@Override
public void onLocationChanged(Location location) {
SLog.d(TAG, "received new location");
sendLocation(location.getLatitude(), location.getLongitude());
}