W/Bundle (11745): Key results_recognition expected ArrayList<String> but value was a java.lang.String. The default value <null> was returned.

The code is as follows，it’s the code from the official document

import 'package:flutter/material.dart';
import 'package:speech_to_text/speech_recognition_result.dart';
import 'package:speech_to_text/speech_to_text.dart';

class MyPage extends StatefulWidget {
  MyPage({Key? key}) : super(key: key);

  @override
  _MyPageState createState() => _MyPageState();
}

class _MyPageState extends State<MyPage> {
  SpeechToText _speechToText = SpeechToText();
  bool _speechEnabled = false;
  String _lastWords = '';

  @override
  void initState() {
    super.initState();
    _initSpeech();
  }

  /// This has to happen only once per app
  void _initSpeech() async {
    _speechEnabled = await _speechToText.initialize();
    setState(() {});
  }

  /// Each time to start a speech recognition session
  void _startListening() async {
    await _speechToText.listen(onResult: _onSpeechResult);
    setState(() {});

  }

  /// Manually stop the active speech recognition session
  /// Note that there are also timeouts that each platform enforces
  /// and the SpeechToText plugin supports setting timeouts on the
  /// listen method.
  void _stopListening() async {
    await _speechToText.stop();
    setState(() {});
  }

  /// This is the callback that the SpeechToText plugin calls when
  /// the platform returns recognized words.
  void _onSpeechResult(SpeechRecognitionResult result) {
    setState(() {
      _lastWords = result.recognizedWords;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Speech Demo'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Container(
              padding: EdgeInsets.all(16),
              child: Text(
                'Recognized words:',
                style: TextStyle(fontSize: 20.0),
              ),
            ),
            Expanded(
              child: Container(
                padding: EdgeInsets.all(16),
                child: Text(
                  // If listening is active show the recognized words
                  _speechToText.isListening
                      ? '$_lastWords'
                  // If listening isn't active but could be tell the user
                  // how to start it, otherwise indicate that speech
                  // recognition is not yet ready or not supported on
                  // the target device
                      : _speechEnabled
                      ? 'Tap the microphone to start listening...'
                      : 'Speech not available',
                ),
              ),
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed:
        // If not yet listening for speech start, otherwise stop
        _speechToText.isNotListening ? _startListening : _stopListening,
        tooltip: 'Listen',
        child: Icon(_speechToText.isNotListening ? Icons.mic_off : Icons.mic),
      ),
    );
  }
}

The error is reported as follow

W/Bundle  (11745): Key results_recognition expected ArrayList<String> but value was a java.lang.String.  The default value <null> was returned.
W/Bundle  (11745): Attempt to cast generated internal exception:
W/Bundle  (11745): java.lang.ClassCastException: java.lang.String cannot be cast to java.util.ArrayList
W/Bundle  (11745):  at android.os.BaseBundle.getStringArrayList(BaseBundle.java:1288)
W/Bundle  (11745):  at android.os.Bundle.getStringArrayList(Bundle.java:1062)
W/Bundle  (11745):  at com.csdcorp.speech_to_text.SpeechToTextPlugin.updateResults(SpeechToTextPlugin.kt:444)
W/Bundle  (11745):  at com.csdcorp.speech_to_text.SpeechToTextPlugin.onResults(SpeechToTextPlugin.kt:706)
W/Bundle  (11745):  at android.speech.SpeechRecognizer$InternalListener$1.handleMessage(SpeechRecognizer.java:457)
W/Bundle  (11745):  at android.os.Handler.dispatchMessage(Handler.java:106)
W/Bundle  (11745):  at android.os.Looper.loop(Looper.java:207)
W/Bundle  (11745):  at android.app.ActivityThread.main(ActivityThread.java:6878)
W/Bundle  (11745):  at java.lang.reflect.Method.invoke(Native Method)
W/Bundle  (11745):  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
W/Bundle  (11745):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:876)

Can any friend give me an answer? Thank you!

csdcorp / speech_to_text

W/Bundle (11745): Key results_recognition expected ArrayList<String> but value was a java.lang.String. The default value <null> was returned. #503