Broadcast Action: The TextToSpeech synthesizer has completed processing of all the text in the speech queue. Note that this notifies callers when the engine has finished has processing text data. Audio playback might not have completed (or even started) at this point. If you wish to be notified when this happens, see NoType:android/speech/tts/TextToSpeech$OnUtteranceCompletedListener;Href=../../../../reference/android/speech/tts/TextToSpeech.OnUtteranceCompletedListener.html.