LocationWork.java

public class LocationWork extends Worker {

    ...
  
    static void reportFinished() {
        if (locationWait != null) {
            Log.d(TAG, "doWork: locationWait down by one");
            locationWait.countDown();
        }
    }
  
    private void cleanUp() {
        Log.d(TAG, "Work is done");
        locationTracker.stop();
        handlerThread.quit();
        looper.quit();
        handlerThread.quit();
    }

}