在有来电时调用dart中的函数

dependencies:
  flutter_phone_state: ^0.2.1

import 'package:flutter_phone_state/flutter_phone_state.dart';

class MyWidget extends StatefulWidget {
  @override
  _MyWidgetState createState() => _MyWidgetState();
}

class _MyWidgetState extends State<MyWidget> {
  PhoneCallStateListener _phoneCallStateListener;

  @override
  void initState() {
    super.initState();
    _phoneCallStateListener = PhoneCallStateListener(
      onCallStateChanged: (PhoneCallState callState) {
        // 在这里处理电话状态变化的逻辑
        if (callState == PhoneCallState.ringing) {
          // 有来电时调用的函数
          myFunction();
        }
      },
    );
    _phoneCallStateListener.startListen();
  }

  @override
  void dispose() {
    _phoneCallStateListener.stopListen();
    super.dispose();
  }

  void myFunction() {
    // 在这里实现需要调用的函数逻辑
    // ...
  }

  @override
  Widget build(BuildContext context) {
    // 构建UI界面
    // ...
  }
}

<uses-permission android:name="android.permission.READ_PHONE_STATE" />