Gets string representing default TTS locale asynchronously. Callback will be called on provided executor or on main thread if null. Value corresponds to string returned by Locale.toString Note: Empty string will be returned if Android API level is lower than 21 or there is no default locale for used TTS Engine

getInstalledVoices

@JvmOverloads

fun getInstalledVoices(callback: VoiceManager.InstalledVoicesCallback, executor: Executor? = null)

Returns the list of VoiceEntry objects in InstalledVoicesCallback callback containing info about voices installed on device. Callback will be called on provided executor or on main thread if null.

getVoice

@JvmOverloads

fun getVoice(callback: VoiceManager.OnGetVoiceCallback, executor: Executor? = null)

onContextDestroy

@RestrictTo(value = [RestrictTo.Scope.LIBRARY])

open override fun onContextDestroy()

removeOnPlaySampleCallback

fun removeOnPlaySampleCallback(callback: VoiceManager.OnPlaySampleCallback)

removeOnSetVoiceCallback

fun removeOnSetVoiceCallback(callback: VoiceManager.OnSetVoiceCallback)

setVoice

fun setVoice(voiceEntry: VoiceEntry)

Sets the selected voice.