Using a sendBroadcast to notify interested parties of when

        return sr;

    }

    private void broadcastTtsQueueProcessingCompleted(){

        Intent i = new Intent(Intent.ACTION_TTS_QUEUE_PROCESSING_COMPLETED);

        sendBroadcast(i);

    }

    private void dispatchSpeechCompletedCallbacks(String mark) {

        Log.i("TTS callback", "dispatch started");

        // Broadcast to all clients the new value.

            }

            if (mSpeechQueue.size() < 1) {

                mIsSpeaking = false;

                // Dispatch a completion here as this is the

                // only place where speech completes normally.

                // Nothing left to say in the queue is a special case

                // that is always a "mark" - associated text is null.

                dispatchSpeechCompletedCallbacks("");

                broadcastTtsQueueProcessingCompleted();

                return;

            }