audio_session_inout_control 0.0.6

Audio session for output in iOS and android

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:audio_session_inout_control/audio_session_inout_control.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  bool _isHeadphonesConnected = false;
  final _audioSessionInoutControlPlugin = AudioSessionInoutControl();

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

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    bool isHeadphonesConnected;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion =
          await _audioSessionInoutControlPlugin.getPlatformVersion() ?? 'Unknown platform version';
      isHeadphonesConnected = await _audioSessionInoutControlPlugin.isHeadphonesConnected();
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
      isHeadphonesConnected = false;
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
      _isHeadphonesConnected = isHeadphonesConnected;
    });
  }

  // flag:1听筒，2自行判断后使用扬声器或外设，3内部自动识别扬声器或外设
  changeAudioOutput(int flag) async{
    if(flag == 1){
      try {
        await _audioSessionInoutControlPlugin.setAudioToReceiver();
      } catch (e) {
        print('Error setting audio to receiver: $e');
      }
    }else if(flag == 2){
      try {
        if(_isHeadphonesConnected){
          await _audioSessionInoutControlPlugin.setAudioToEarSpeaker();
        }else{
          await _audioSessionInoutControlPlugin.setAudioToSpeaker();
        }

      } catch (e) {
        print('Error setting audio to speaker: $e');
      }
    }else{
      try {
        await _audioSessionInoutControlPlugin.setAudioToAutoSpeaker();
      } catch (e) {
        print('Error setting audio to receiver: $e');
      }
    }

  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Column(
            children: [
              Text('Running on: $_platformVersion\n'),
              Text(_isHeadphonesConnected?'headphoneconnected':'no headphones'),
              TextButton(onPressed: (){
                changeAudioOutput(1);
              }, child:const Text("setAudioToReceiver"),),
              TextButton(onPressed: (){
                changeAudioOutput(2);
              }, child:const Text("setAudioToSpeaker"),),
              TextButton(onPressed: (){
                changeAudioOutput(3);
              }, child:const Text("setAudioToAutoSpeaker"),),
            ],
          )
        ),
      ),
    );
  }
}