Java 类android.location.GpsStatus.Listener 实例源码

/**
 * Notifies an update of GpsStatus change.
 *
 */
private void notifyGpsStatus(){
  if (enabled){
    final int gpsStatus = parser.getGpsStatusChange();
    if (gpsStatus != 0){
      Log.v(LOG_TAG, "notified GpsStatus: "+gpsStatus);
      synchronized(gpsStatusListeners) {
        for(final Listener listener : gpsStatusListeners){
          notificationPool.execute(new Runnable(){
            @Override
            public void run() {
              listener.onGpsStatusChanged(gpsStatus);
            }
          });
        }
      }
    }
  }
}

@Implementation
public boolean addGpsStatusListener(Listener listener) {
  if (!gpsStatusListeners.contains(listener)) {
    gpsStatusListeners.add(listener);
  }
  return true;
}

@Test
public void shouldNotHaveListenerOnceRemoved() {
  Listener listener = addGpsListenerToLocationManager();

  locationManager.removeGpsStatusListener(listener);

  assertFalse(shadowLocationManager.hasGpsStatusListener(listener));
}

/**
 * Adds a GpsStatus Listener.
 *
 * @param listener a GpsStatus.Listener object to register
 * @return true if the listener was successfully added
 */
public boolean addGpsStatusListener(Listener listener){
  if (!gpsStatusListeners.contains(listener)){
    Log.d(LOG_TAG, "adding new GpsStatus Listener");
    gpsStatusListeners.add(listener);
  }
  return true;
}

@Implementation
public void removeGpsStatusListener(Listener listener) {
  gpsStatusListeners.remove(listener);
}

public boolean hasGpsStatusListener(Listener listener) {
  return gpsStatusListeners.contains(listener);
}

@Test
public void shouldHaveListenerOnceAdded() {
  Listener listener = addGpsListenerToLocationManager();
  assertTrue(shadowLocationManager.hasGpsStatusListener(listener));
}

private Listener addGpsListenerToLocationManager() {
  Listener listener = new TestGpsListener();
  locationManager.addGpsStatusListener(listener);
  return listener;
}

/**
 * Removes a GpsStatus Listener.
 *
 * @param listner a GpsStatus.Listener object to remove
 */
public void removeGpsStatusListener(Listener listener){
  Log.d(LOG_TAG, "removing GpsStatus Listener");
  gpsStatusListeners.remove(listener);
}