lift-app/lib/internal/bbs/page/chat_room.dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';

import 'package:flustars/flustars.dart' as flustars;
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:image_picker/image_picker.dart';
import 'package:liftmanager/common/common.dart';
import 'package:liftmanager/internal/bbs/page/jubao_page.dart';
import 'package:liftmanager/net/api_service.dart';
import 'package:liftmanager/res/iconfont.dart';
import 'package:liftmanager/utils/fast_notification.dart';
import 'package:liftmanager/utils/oss_upload.dart';
import 'package:liftmanager/utils/toast.dart';
import 'package:liftmanager/widgets/app_bar.dart';
import 'package:liftmanager/widgets/chat_list_view.dart';
import 'package:path_provider/path_provider.dart';
import 'package:provider/provider.dart';
import 'package:umeng_common_sdk/umeng_common_sdk.dart';
// import 'package:shared_preferences/shared_preferences.dart';

import './chat_detail/chat_content_view.dart';
import '../model/conversation.dart';
import '../provide/websocket.dart';

import 'package:permission_handler/permission_handler.dart';
import 'package:flutter_sound/flutter_sound.dart';
import 'package:flutter_sound/public/flutter_sound_player.dart';
import 'package:flutter_sound/public/flutter_sound_recorder.dart';

class ChatDetailPage extends StatefulWidget {
  ChatDetailPage(
      {this.id,
      this.type,
      this.toUserId,
      this.jubaoToUserId,
      this.title = '聊天室'});

  final String id;
  final String type;
  final String toUserId;
  final String title;
  String jubaoToUserId;

  @override
  _ChatDetailPageState createState() => _ChatDetailPageState();
// _ChatDetailPageState createState() => _ChatDetailPageState(type,index);
}

class _ChatDetailPageState extends State<ChatDetailPage> {
  bool hasText = false;

  bool isAutoJump = true;
  bool isDownKeyboard = true;
  int type = 0;
  int index = 1;
  var msgList = [];
  var msgListBack = [];
  var assList = [];
  bool showEmoji = false;
  bool hasMore = true;
  int _page = 1;
  int pageSize = 10;
  Conversation data;

  // _ChatDetailPageState(this.type0,this.index0);
  WebSocketProvide provider = WebSocketProvide();
  ScrollController _scrollController;
  var userList;
  var storyList = [];
  var storyListUserOnline = [];

  //避免从附近的人打招呼重复的initRoom
  bool isTrim = false;
  int dataTable;

  final controller = TextEditingController();

  bool voiceModeOn = false;
  bool voiceRecordingOn = false;
  FlutterSoundPlayer _player = FlutterSoundPlayer();
  FlutterSoundRecorder _recorder = FlutterSoundRecorder();

  bool _playerIsInited = false;
  bool _recorderIsInited = false;
  bool _playbackReady = true;
  String _audioFilePath;
  int recordingDuration = 0;
  Timer recordingTimer;
  AnimationController _animationController;

  void _handleSubmitted(context, String text) {
    // FocusScope.of(context).requestFocus(FocusNode());
    if (controller.text.length > 0) {
      // FocusScope.of(context).requestFocus(FocusNode());
      print('发送${text}');
      print(type);
      if (Provider.of<WebSocketProvide>(context, listen: false)
          .socketIsConnect) {
        controller.clear(); //清空输入框
      }

      Provider.of<WebSocketProvide>(context, listen: false).sendMessage(context,
          msg: text,
          id: widget.id,
          msgType: 1,
          dataTable: dataTable,
          toUserId: widget.toUserId);
      showEmoji = false;
      hasMore = true;
      _page = 1;
      setState(() {});
      // FocusScope.of(context).requestFocus(FocusNode());
    } else {
      toasts("请输入");
    }
  }

  void _jumpBottom() {
    _scrollController.animateTo(_scrollController.position.maxScrollExtent,
        curve: Curves.easeOut, duration: Duration(milliseconds: 200));
  }

  String emoji =
      "😀,😁,😂,😃,😄,😅,😆,😉,😊,😋,😎,😍,😘,😗,😙,😚,😇,😐,😑,😶,😏,😣,😥,😮,😯,😪,😫,😴,😌,😛,😜,😝,😒,😓,😔,😕,😲,😷,😖,😞,😟,😤,😢,😭,😦,😧,😨,😬,😰,😱,😳,😵,😡,😠";
  var emojiList = <String>[];

  void setWebSocket() async {
    // SharedPreferences prefs = await SharedPreferences.getInstance();

    new Future.delayed(Duration(milliseconds: 500), () {
      Provider.of<WebSocketProvide>(context, listen: false)
          .incomeRoom(widget.id);
      // getStringEvent(widget.id);
    });
  }

  void initJump() async {
    new Future.delayed(Duration(milliseconds: 500), () {
      FocusScope.of(context).requestFocus(FocusNode());
      _jumpBottom();
    });
  }

  void disposeJump() async {
    new Future.delayed(Duration(milliseconds: 500), () {
      Provider.of<WebSocketProvide>(context, listen: false).closeWebSocket();
    });
  }

  // void getMsgList() async {
  //   new Future.delayed(Duration(milliseconds: 2000), () {
  //     setState(() {
  //       msgList = Provider.of<WebSocketProvide>(context, listen: false)
  //           .historyMessageqqq;
  //       print('getMsgList msgList ===== $msgList');
  //       _jumpBottom();
  //     });
  //   });
  // }
  // 输入框的焦点实例
  FocusNode _focusNode;

  @override
  void initState() {
    UmengCommonSdk.onPageStart("聊天室");
    _player.openAudioSession().then((value) {
      setState(() {
        _playerIsInited = true;
      });
    });
    openTheRecorder().then((value) {
      setState(() {
        _recorderIsInited = true;
      });
    });

    emojiList = emoji.split(',');
    if (widget.type == "nearToOne") {
      dataTable = 3;
    } else {
      dataTable = null;
      var roomIds = flustars.SpUtil.getStringList('showAlert');
      if (!roomIds.contains(widget.id)) {
        Fluttertoast.showToast(
            msg: '欢迎使用，请在使用过程中注意个人信息及财产安全',
            backgroundColor: Colors.amber,
            textColor: Colors.black,
            fontSize: 13,
            toastLength: Toast.LENGTH_LONG,
            gravity: ToastGravity.TOP,
            timeInSecForIosWeb: 3);
      } else {
        var newRoodIds = [widget.id];
        newRoodIds.addAll(roomIds);
        flustars.SpUtil.putStringList('showAlert', newRoodIds);
      }
    }

    print(widget.id);

    FastNotification.addListener("chat_room", (historyMessageqqq) {
      if (mounted) {
        setState(() {
          msgList = historyMessageqqq;
          assList = historyMessageqqq;
          print('chat_room msgList ===== $msgList');
        });
        _jumpBottom();
      }
    });
    FastNotification.addListener("chat_room_chat", (historyMessageqqq) {
      if (mounted) {
        setState(() {
          msgList = historyMessageqqq;
          assList = historyMessageqqq;
          print('chat_room_chat msgList ===== $msgList');
        });
        _jumpBottom();
      }
    });
    FastNotification.addListener("set_user", (setUserList) {
      if (mounted) {
        new Future.delayed(Duration(milliseconds: 1000), () {
          // setState(() {
          //   userList = setUserList;
          // });
        });
      }
    });

    FastNotification.addListener("initSocket", (initThisSocket) {
      if (mounted) {
        isTrim = true;
        setWebSocket();
        _jumpBottom();
        FocusScope.of(context).requestFocus(FocusNode());
        toasts("聊天室已重连！");
      }
    });
    if (!Provider.of<WebSocketProvide>(context, listen: false)
        .socketIsConnect) {
      Provider.of<WebSocketProvide>(context, listen: false).createWebsocket(
          Provider.of<WebSocketProvide>(context, listen: false).roomId);
    }

    super.initState();
    _scrollController = new ScrollController();
    _scrollController.addListener(() {
      // FocusScope.of(context).requestFocus(FocusNode());
      // print(_controller.offset);
    });

    setWebSocket();
    _focusNode = FocusNode();
    _focusNode.addListener(() {
      // _jumpBottom();
      Timer(Duration(milliseconds: 300), () => _jumpBottom());
      if (!_focusNode.hasFocus && !isDownKeyboard) {
        FocusScope.of(context).requestFocus(_focusNode);
      }
      if (!_focusNode.hasFocus) {
        setState(() {
          showEmoji = false;
        });
      }

      isDownKeyboard = true;
    });
  }

  @override
  void dispose() {
    UmengCommonSdk.onPageEnd("聊天室");
    stopPlayer();
    _player.closeAudioSession();
    _player = null;

    stopRecorder();
    _recorder.closeAudioSession();
    _recorder = null;
    if (_audioFilePath != null) {
      var outputFile = File(_audioFilePath);
      if (outputFile.existsSync()) {
        outputFile.delete();
      }
    }
    super.dispose();
  }

  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
  }

  void getStringEvent(roomId) async {
    // SharedPreferences prefs = await SharedPreferences.getInstance();
    var storyList = [];
    var storyListUserOnline = [];
    // if (prefs.getStringList(roomId) != null) {
    //   List<String> hisString = prefs.getStringList(roomId);
    //   storyList = hisString.map((item) => jsonDecode(item)).toList();
    // } else {
    //   prefs.setStringList(roomId, []);
    // }

    // if (flustars.SpUtil.getString(roomId + "userOnline") != null &&
    //     flustars.SpUtil.getString(roomId + "userOnline") != "") {
    //   // if(prefs.getString(roomId+"userOnline")!=null){
    //   // String hisStringUserOnline = prefs.getString(roomId+"userOnline");
    //   // flustars.SpUtil.putString(roomId+"userOnline", res.token);
    //   String hisStringUserOnline =
    //       flustars.SpUtil.getString(roomId + "userOnline");
    //   for (var value in JsonDecoder().convert(hisStringUserOnline)) {
    //     print(value);
    //     storyListUserOnline.add(value);
    //   }
    //   ;
    //   // storyListUserOnline = JsonDecoder().convert(hisStringUserOnline);
    //   // storyListUserOnline = hisStringUserOnline.map((item)=>jsonDecode(item)).toList();

    // } else {
    //   //  prefs.setString(roomId+"userOnline",'');
    // }

    // print(JsonEncoder().convert(storyList));
    // print(JsonEncoder().convert(storyListUserOnline));

    new Future.delayed(Duration(milliseconds: 1000), () {
      setState(() {
        if (storyList.length > 0) {
          msgList = storyList;
          print('storyList msgList ===== $msgList');
        }
        if (storyListUserOnline.length > 0) {
          userList = storyListUserOnline;
        }

        print(JsonEncoder().convert(msgList));
        _jumpBottom();
      });
    });
  }

  // @override
  // void didChangeDependencies() {
  //   // Provider.of<WebSocketProvide>(context).closeWebSocket();
  //   Provider.of<WebSocketProvide>(context,listen: false).closeWebSocket();
  //   super.didChangeDependencies();
  // }

  FocusNode blankNode = FocusNode();

  ///选择图片
  void selectPicker() {
    showDialog(
        context: context,
        builder: (BuildContext context) {
          return SimpleDialog(
              title: Text("选择方式"),
              children: ["拍照", '从手机相册选择'].map((String value) {
                print("$value");
                return SimpleDialogOption(
                  child: Text(
                    "${value}",
                    style: TextStyle(fontSize: 16, fontWeight: FontWeight.w500),
                  ),
                  onPressed: () {
                    _getImage(value == '拍照' ? 1 : 0);
                    Navigator.of(context).pop();
                  },
                );
              }).toList());
        });
  }

  var imagesList = <String>[];
  var imagesListLast = <String>[];

  void _getImage(int key) async {
    try {
      var _imageFile = await ImagePicker.pickImage(
          source: key == 1 ? ImageSource.camera : ImageSource.gallery,
          maxWidth: 800,
          imageQuality: 95);
      print(_imageFile);
      print(3333);
      if (_imageFile != null) {
        // images.add(_imageFile);
        upLoadFileOnce(_imageFile.path);
        // setState(() {});
      }
    } catch (e) {
      toasts("没有权限，无法打开相册！");
    }
  }

  upLoadFileOnce(path) {
    showLoading(context, "正在发送...");
    NewApiService().upload(path, onSuccess: (res) {
      // imagesUrl.add(res.path);
      dismissLoading(context);
      String imagesUrl;
      imagesUrl = (res.pathUrl);

      Provider.of<WebSocketProvide>(context, listen: false).sendMessage(context,
          msg: imagesUrl,
          id: widget.id,
          msgType: 2,
          dataTable: dataTable,
          toUserId: widget.toUserId);
    }, onError: (code, msg) {
      dismissLoading(context);
      toasts(msg);
    });
  }

  @override
  Widget build(BuildContext context) {
    msgList = processMsgList(msgList);
    imagesList = [];
    msgListBack = [];
    msgList.forEach((element) {
      msgListBack.insert(0, element);
    });
    // print(JsonEncoder().convert(msgListBack));
    print('msgList ======= $msgList');
    print('msgList count ======= ${msgList.length}');

    try {
      if (msgList.length > 0) {
        msgList.forEach((element) {
          if (element["type"] == 2) {
            imagesList.add(element["msg"]);
          }
        });
      }
    } catch (e) {
      print('msgList e ======= $e');
    }
    if (isAutoJump) {
      Timer(Duration(milliseconds: 500), () {
        _jumpBottom();
      });
    } else {
      isAutoJump = true;
    }
    return
        // ChangeNotifierProvider<WebSocketProvide>(
        // create: (_) => provider,
        // child:

        Scaffold(
      appBar: MyAppBar(
        centerTitle: widget.title,
        // actions: [
        //   new FlatButton(
        //     onPressed: () {
        //       Navigator.of(context).push(MaterialPageRoute(
        //           builder: (context) => JuBaoPage(
        //                 toUserId: widget.jubaoToUserId,
        //               )));
        //     },
        //     child: Text("举报"),
        //   ),
        // ],
        // onPressed:(){
        //   NavigatorUtils.push(context, FriendsRouter.friendsList);
        // }
        isFun: true,
        fun: () {
          Navigator.popUntil(context, ModalRoute.withName('/home'));
        },
      ),
      body: SafeArea(
        child: Stack(
          alignment: Alignment.center,
          children: [
            GestureDetector(
              onTap: () {
                // 点击空白页面关闭键盘
                // FocusScope.of(context).requestFocus(_focusNode);
                FocusScope.of(context).requestFocus(FocusNode());
                setState(() {
                  showEmoji = false;
                });
              },
              child: Container(
                padding: EdgeInsets.only(top: 10),
                color: Color(0xffF6F6F6),
                child: Column(
                  children: <Widget>[
                    Expanded(
                      child: ChatListView(
                        key: Key('chat_list'),
                        scrollController: _scrollController,
                        onRefresh: _loadMore,
                        pageSize: 10,
                        itemCount: msgList.length,
                        hasMore: hasMore,
                        itemBuilder: (_, index) {
                          int typeUser;

                          try {
                            if ('${msgList[index]["fromUser"]}' ==
                                flustars.SpUtil.getString(Constant.userId)) {
                              typeUser = 1;
                            } else {
                              typeUser = 0;
                            }

                            return ChatContentView(
                                contentIndex: index,
                                urlList: imagesList,
                                type: typeUser,
                                text: msgList[index]["msg"],
                                msgType: msgList[index]["type"],
                                avatar: msgList[index]["avatarUrl"],
                                username: msgList[index]["name"],
                                remarks: msgList[index]["remarks"],
                                isNetwork: msgList[index]["avatarUrl"] != null
                                    ? true
                                    : false,
                                recordingDuration: msgList[index]["dura"],
                                onTap: () async {
                                  if (_player.isPlaying) {
                                    await stopPlayer();
                                  }
                                  print('play ===== ${msgList[index]['msg']}');
                                  play(msgList[index]['msg'], () {
                                    print('stopped ===== ');
                                  });
                                });
                          } catch (e) {
                            print('e ==== $e');
                          }

                          return null;
                        },
                      ),
                    ),
                    showEmoji
                        ? Container(
                            padding: EdgeInsets.only(
                                left: ScreenUtil().setWidth(6),
                                top: ScreenUtil().setWidth(10),
                                bottom: ScreenUtil().setWidth(10),
                                right: ScreenUtil().setWidth(6)),
                            color: Colors.white,
                            height: ScreenUtil().setWidth(200),
                            child: GridView.extent(
                              //横轴的最大长度
                              maxCrossAxisExtent: 35,
                              //内边距
                              padding: EdgeInsets.all(4.0),
                              //垂直方向的间距
                              mainAxisSpacing: 4.0,
                              //水平方向的间距
                              crossAxisSpacing: 4.0,
                              children: emojiList.map((element) {
                                return GestureDetector(
                                  onTap: () {
                                    controller.text += element;
                                  },
                                  child: Text(
                                    element,
                                    style: TextStyle(
                                        color: Color(0xff000000),
                                        fontSize: ScreenUtil().setSp(22)),
                                    textAlign: TextAlign.center,
                                  ),
                                );
                              }).toList(),
                            ))
                        : Container(
                            child: null,
                          ),
                    Container(
                      padding: EdgeInsets.only(
                          top: ScreenUtil().setHeight(2.0),
                          bottom: ScreenUtil().setHeight(2.0),
                          left: 0,
                          right: 0),
                      color: Color(0xffFBFBFB),
                      child: Row(
                        mainAxisAlignment: MainAxisAlignment.end,
                        crossAxisAlignment: CrossAxisAlignment.center,
                        children: <Widget>[
                          IconButton(
                              icon: voiceModeOn
                                  ? Icon(
                                      Iconfont.b040jianpan,
                                      size: 21,
                                    )
                                  : Icon(
                                      Iconfont.yuyin2,
                                      size: 21,
                                    ),
                              onPressed: () {
                                setState(() {
                                  voiceModeOn = !voiceModeOn;
                                });
                              }),
                          if (voiceModeOn)
                            Expanded(
                              child: GestureDetector(
                                onLongPressStart: (details) {
                                  setState(() {
                                    voiceRecordingOn = true;
                                  });

                                  if (_player.isPlaying) {
                                    stopPlayer();
                                  }
                                  record();
                                  startCountingRecording();
                                },
                                onLongPressEnd: (details) async {
                                  setState(() {
                                    voiceRecordingOn = false;
                                  });
                                  // print('localPosition =====  ${details.localPosition}');
                                  if (recordingTimer != null) {
                                    recordingTimer.cancel();
                                  }
                                  await stopRecorder();

                                  if (details.localPosition.dy > -50) {
                                    await uploadAudioFile(_audioFilePath);
                                  } else {
                                    toasts("已取消");
                                  }
                                },
                                child: Text(
                                  voiceRecordingOn ? '松开结束' : '按住说话',
                                  textAlign: TextAlign.center,
                                ),
                              ),
                            ),
                          if (!voiceModeOn)
                            Expanded(
                                child: Container(
                              // height: 40,
                              alignment: Alignment.center,
                              decoration: BoxDecoration(
                                  borderRadius:
                                      BorderRadius.all(Radius.circular(5.0)),
                                  color: Colors.white),
                              child: TextFormField(
                                controller: controller,
                                // decoration: InputDecoration.collapsed(hintText: null),
                                decoration: InputDecoration(
                                  border: InputBorder.none,
                                ),
                                maxLines: 5,
                                minLines: 1,
                                autocorrect: true,
                                autofocus: true,
                                focusNode: _focusNode,
                                textAlign: TextAlign.start,
                                textInputAction: TextInputAction.send,
                                style: TextStyle(color: Colors.black),
                                cursorColor: Colors.green,
                                onFieldSubmitted: (term) {
                                  isDownKeyboard = false;
                                  // 这里进行事件处理
                                  // print('点击点击点击');
                                  if (controller.text == null ||
                                      controller.text == '') {
                                    toasts("请输入内容");
                                  } else {
                                    _handleSubmitted(context, controller.text);
                                  }
                                },
                                onChanged: (text) {
                                  setState(() {
                                    hasText = text.length > 0 ? true : false;
                                  });
                                  // print('change=================== $text');
                                },
                                // onSubmitted:_handleSubmitted,
                                enabled: true, //bu禁用
                              ),
                            )),
                          Container(
                            width: ScreenUtil().setWidth(30.0),
                            child: IconButton(
                                icon: Icon(
                                  Iconfont.biaoqing,
                                  size: 21,
                                ),
                                //发送按钮图标
                                onPressed: () {
                                  print('打开表情面板');
                                  setState(() {
                                    showEmoji = !showEmoji;
                                    voiceModeOn = false;
                                  });
                                }),
                          ),
                          Container(
                            width: ScreenUtil().setWidth(30.0),
                            margin: EdgeInsets.only(
                                right: ScreenUtil().setWidth(10.0)),
                            child: IconButton(
                                icon: Icon(Iconfont.tianjia, size: 24),
                                onPressed: () {
                                  selectPicker();
                                  FocusScope.of(context)
                                      .requestFocus(FocusNode());
                                }),
                          ),
                          Container(
                            width: ScreenUtil().setWidth(30.0),
                            margin: EdgeInsets.only(
                                right: ScreenUtil().setWidth(10.0)),
                            child: IconButton(
                                //发送按钮或者+按钮
                                icon: Icon(Iconfont.fasong,
                                    size: 18, color: Color(0xff3978F7)),
                                onPressed: () {
                                  // isDownKeyboard = false;
                                  if (controller.text == null ||
                                      controller.text == '') {
                                    toasts("请输入内容");
                                  } else {
                                    _handleSubmitted(context, controller.text);
                                  }
                                }),
                          )
                        ],
                      ),
                    )
                  ],
                ),
              ),
            ),
            if (voiceRecordingOn)
              Container(
                width: 140,
                height: 140,
                decoration: BoxDecoration(
                  color: Color.fromRGBO(0, 0, 0, 0.5),
                  borderRadius: BorderRadius.all(Radius.circular(8)),
                ),
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.spaceAround,
                  children: [
                    Row(
                      mainAxisAlignment: MainAxisAlignment.center,
                      crossAxisAlignment: CrossAxisAlignment.end,
                      children: [
                        Icon(
                          Iconfont.yuyin,
                          size: 40,
                          color: Colors.white,
                        ),
                        SignalBars(),
                      ],
                    ),
                    Text(
                      '手指上划，取消发送',
                      style: TextStyle(color: Colors.white, fontSize: 12),
                    ),
                  ],
                ),
              ),
          ],
        ),
      ),
      // ),
    );
  }

  processMsgList(var list) {
    return list.map((e) {
      if (e is String) {
        return JsonDecoder().convert(e);
      }
      return e;
    }).toList();
  }

  Future _loadMore() async {
    isAutoJump = false;
    if (hasMore) {
      //pge++;
      await NewApiService().getMsgHistoryList({
        "pageNum": _page,
        "pageSize": 10,
        //  "pageSize":pageSize,
        "sessionid": widget.id,
      }, onSuccess: (res) {
        _page++;
        print(JsonEncoder().convert(res));
        if (res != null && res.length > 0) {
          res = processMsgList(res);

          print("初始化数据");
          print('res ==== $res');
          var ass = [];
          ass.addAll(res);
          if (assList.length == 0) {
            ass.addAll(msgList);
            assList = ass;
          } else {
            ass.addAll(assList);
          }
          setState(() {
            msgList = ass;
            print('_loadMore msgList ===== $msgList');
            hasMore = true;
            // _jumpBottom();
          });
        } else {
          setState(() {
            hasMore = false;
          });
        }
      }, onError: (code, msg) {
        toasts(msg);
      });
    } else {
      toasts("无更多历史记录！");
    }

    print("加载更多了");
  }

  Future<void> openTheRecorder() async {
    final permissions = await PermissionHandler()
        .requestPermissions([PermissionGroup.microphone]);
    if (permissions[PermissionGroup.microphone] != PermissionStatus.granted) {
      toasts('需要麦克风权限!');
    }

    var tempDir = await getTemporaryDirectory();
    _audioFilePath = '${tempDir.path}/audio_message.aac';
    var outputFile = File(_audioFilePath);
    if (outputFile.existsSync()) {
      await outputFile.delete();
    }
    await _recorder.openAudioSession();
    _recorderIsInited = true;
  }

  Future<void> record() async {
    assert(_recorderIsInited && _player.isStopped);
    await _recorder.startRecorder(
      toFile: _audioFilePath,
      codec: Codec.aacADTS,
    );
    setState(() {});
  }

  Future<void> stopRecorder() async {
    await _recorder.stopRecorder();
    _playbackReady = true;
  }

  void play(String fileUrl, Function onFinished) async {
    assert(_playerIsInited &&
        _playbackReady &&
        _recorder.isStopped &&
        _player.isStopped);
    await _player.startPlayer(
        fromURI: fileUrl,
        codec: Codec.aacADTS,
        whenFinished: () {
          setState(() {});

          if (onFinished != null) {
            onFinished();
          }
        });
    setState(() {});
  }

  Future<void> stopPlayer() async {
    await _player.stopPlayer();
  }

  uploadAudioFile(String filePath) async {
    String uploadName = OssUtil.instance.getImageUploadName(filePath);
    await NewApiService.uploadImage(context, uploadName, filePath).then((data) {
      if (data.statusCode == 200) {
        String str = NewApiUrl.URL_UPLOAD_IMAGE_OSS + "/" + uploadName;
        print("str:" + str);
        if (str != null) {
          Map obj = {"uploadName": uploadName, "success": true};
          FastNotification.push("percent", obj);
        }

        Provider.of<WebSocketProvide>(context, listen: false).sendMessage(
            context,
            msg: str,
            id: widget.id,
            msgType: 4,
            dataTable: dataTable,
            toUserId: widget.toUserId,
            recordingDuration: recordingDuration);
      } else {
        Map obj = {"uploadName": uploadName, "success": false};
        FastNotification.push("percent", obj);
      }
    }).catchError((data) {
      Map obj = {"uploadName": uploadName, "success": false};
      FastNotification.push("percent", obj);
    });
  }

  void startCountingRecording() {
    recordingDuration = 0;
    if (recordingTimer != null) {
      recordingTimer.cancel();
    }
    recordingTimer = Timer.periodic(Duration(seconds: 1), (timer) async {
      if (recordingDuration >= 30) {
        recordingTimer.cancel();
        await stopRecorder();
        // await uploadAudioFile(_audioFilePath);
        setState(() {
          voiceRecordingOn = false;
        });
      } else {
        recordingDuration++;
      }
    });
  }
}

class SignalBars extends StatefulWidget {
  @override
  State<SignalBars> createState() => SignalBarsState();
}

class SignalBarsState extends State<SignalBars> {
  double bar1Opactity = 0;
  double bar2Opactity = 0;
  double bar3Opactity = 0;
  int loopCount = 0;
  Timer _timer;

  @override
  void initState() {
    _timer = Timer.periodic(Duration(milliseconds: 400), (timer) {
      setState(() {
        if (loopCount == 1) {
          bar1Opactity = 1;
        } else if (loopCount == 2) {
          bar2Opactity = 1;
        } else if (loopCount == 3) {
          bar3Opactity = 1;
        } else {
          bar1Opactity = 0;
          bar2Opactity = 0;
          bar3Opactity = 0;
          loopCount = 0;
        }
        loopCount++;
      });
    });

    super.initState();
  }

  @override
  void dispose() {
    if (_timer != null) {
      _timer.cancel();
    }

    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Container(
      height: 35,
      child: Column(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Container(
              height: 4,
              width: 18,
              color: Color.fromRGBO(255, 255, 255, bar3Opactity)),
          Container(
              height: 4,
              width: 14,
              color: Color.fromRGBO(255, 255, 255, bar2Opactity)),
          Container(
              height: 4,
              width: 10,
              color: Color.fromRGBO(255, 255, 255, bar1Opactity)),
          Container(
              height: 4, width: 6, color: Color.fromRGBO(255, 255, 255, 1)),
        ],
      ),
    );
  }
}