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copied!<p>Looking at the <a href="http://eyes-free.googlecode.com/svn-history/r593/trunk/tts/src/com/google/tts/TTSService.java" rel="nofollow">TTSService.java</a> source code available at <a href="http://eyes-free.googlecode.com" rel="nofollow">http://eyes-free.googlecode.com</a> you can find the function <strong>dispatchUtteranceCompletedCallback()</strong>:</p> <pre><code>private void dispatchUtteranceCompletedCallback(String utteranceId, String packageName) { /* Legacy support for TTS */ final int oldN = mCallbacksOld.beginBroadcast(); for (int i = 0; i < oldN; i++) { try { mCallbacksOld.getBroadcastItem(i).markReached(""); } catch (RemoteException e) { // The RemoteCallbackList will take care of removing // the dead object for us. } } try { mCallbacksOld.finishBroadcast(); } catch (IllegalStateException e) { // May get an illegal state exception here if there is only // one app running and it is trying to quit on completion. // This is the exact scenario triggered by MakeBagel return; } /* End of legacy support for TTS */ ITtsCallbackBeta cb = mCallbacksMap.get(packageName); if (cb == null) { return; } Log.v(SERVICE_TAG, "TTS callback: dispatch started"); // Broadcast to all clients the new value. final int N = mCallbacks.beginBroadcast(); try { cb.utteranceCompleted(utteranceId); } catch (RemoteException e) { // The RemoteCallbackList will take care of removing // the dead object for us. } mCallbacks.finishBroadcast(); Log.v(SERVICE_TAG, "TTS callback: dispatch completed to " + N); } </code></pre> <p>1 is the current value of N, which is initialized by the return value from <strong>mCallbacks.beginBroadcast()</strong>.</p> <p><a href="http://developer.android.com/reference/android/os/RemoteCallbackList.html#beginBroadcast%28%29" rel="nofollow">beginBroadcast()</a> is a method of the class <a href="http://developer.android.com/reference/android/os/RemoteCallbackList.html" rel="nofollow">RemoteCallbackList</a> and its documentation states that it:</p> <blockquote> <p>Returns the number of callbacks in the broadcast, to be used with getBroadcastItem(int) to determine the range of indices you can supply</p> </blockquote> <p>Does this help?</p>

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