onSpeakAloudText method
Get notified when the viewer wants to read aloud some text.
Implementation
void onSpeakAloudText(OnSpeakAloudTextCallback callback) {
_onSpeakAloudTextCallback = callback;
}
Get notified when the viewer wants to read aloud some text.
void onSpeakAloudText(OnSpeakAloudTextCallback callback) {
_onSpeakAloudTextCallback = callback;
}