Speech Recognition in NativeScript

nativescript-speech-recognition-listening.ts

// import the plugin
import { SpeechRecognition } from "nativescript-speech-recognition";

class SpeechRecognition {
  // instantiate the plugin
  private speechRecognition = new SpeechRecognition();

  public checkAvailability(): void {
    this.speechRecognition.available().then(
      (available: boolean) => console.log(available ? "YES!" : "NO"),
      (err: string) => console.log(err)
    );
  }

  public startListening(): void {
    this.speechRecognition.startListening({
      // optional, uses the device locale by default
      locale: "en-US",
      // this callback will be invoked repeatedly during recognition
      onResult: (transcription: SpeechRecognitionTranscription) => {
        console.log(`User said: ${transcription.text}`);
        console.log(`User finished?: ${transcription.finished}`);
      },
    }).then(
      (started: boolean) => { console.log(`started listening`) },
      (errorMessage: string) => { console.log(`Error: ${errorMessage}`); }
    );
  }

  public stopListening(): void {
    this.speechRecognition.stopListening().then(
      () => { console.log(`stopped listening`) },
      (errorMessage: string) => { console.log(`Stop error: ${errorMessage}`); }
    );
  }
}