Use a speech recognizer component to listen to the user speaking and convert the spoken sound into text using Android's speech recognition feature.
The last text produced by the recognizer.
Asks the user to speak, and converts the speech to text. Signals the AfterGettingText event when the result is available.
Signaled after the recognizer has produced text. The argument is the text result that was produced.
Signaled just before the recognizer is called.