Since: API Level 4
package

android.speech.tts

Interfaces

TextToSpeech.OnInitListener Interface definition of a callback to be invoked indicating the completion of the TextToSpeech engine initialization. 
TextToSpeech.OnUtteranceCompletedListener Interface definition of a callback to be invoked indicating the TextToSpeech engine has completed synthesizing an utterance with an utterance ID set. 

Classes

TextToSpeech Synthesizes speech from text for immediate playback or to create a sound file. 
TextToSpeech.Engine Internal constants for the TextToSpeech functionality