nim_core 1.0.0-rc.0

A Flutter plugin for NetEase IM SDK on Android and iOS.

example/lib/main.dart

// Copyright (c) 2021 NetEase, Inc.  All rights reserved.
// Use of this source code is governed by a MIT license that can be
// found in the LICENSE file.

import 'dart:async';
import 'dart:math';

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

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

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  static const appKey = '6f6a8e7a18d7b43adfd7f17ad3da3c8e';
  static const account = '27f114e4747e4cbab0df090bb7d13b90';
  static const token = '1b83cdd59-d7bf-493d-8e8b-fdeb94e2d0a3';
  static const friendAccount = '1158330149131538';
  static const chatroomId = '440568274';

  late StreamSubscription authStatusStreamSubscription;
  late StreamSubscription messageStreamSubscription;

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

    authStatusStreamSubscription =
        NimCore.instance.authService.authStatus.listen((event) {
      print('AuthService##auth status event: ${event.status.name}');
    });

    messageStreamSubscription =
        NimCore.instance.messageService.onMessage.listen((messages) {
      messages.forEach((message) {
        print(
            'MessageService##receive message: ${message.fromNickname} says ${message.content}');
      });
    });

    NimCore.instance
        .initialize(
      NIMAndroidSDKOptions(
        appKey: appKey,
      ),
    )
        .then((value) async {
      await NimCore.instance.authService.login(NIMLoginInfo(
        account: account,
        token: token,
      ));

      MessageBuilder.createTextMessage(
        sessionId: friendAccount,
        sessionType: NIMSessionType.p2p,
        text: 'Nice to meet you!',
      ).then<NIMResult>((result) {
        if (result.isSuccess) {
          return NimCore.instance.messageService
              .sendMessage(message: result.data!);
        } else {
          return result;
        }
      }).then((result) {
        print(
            'MessageService##send message: ${result.code} ${result.errorDetails}');
      });

      setupChatroom();
    });
  }

  @override
  void dispose() {
    authStatusStreamSubscription.cancel();
    messageStreamSubscription.cancel();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(),
      ),
    );
  }

  void setupChatroom() {
    var chatroomService = NimCore.instance.chatroomService;
    chatroomService.onEventNotified.listen((event) {
      print('ChatroomService##on event notified: $event');
    });

    chatroomService.onMessageReceived.listen((messages) {
      messages.forEach((message) {
        print(
            'ChatroomService##on message received: ${message.fromAccount} ${message.fromNickname} '
            '\'${message.content}\'');
        final attachment = message.messageAttachment;
        if (attachment is NIMChatroomNotificationAttachment) {
          print('ChatroomService##on notification: ${attachment.operatorNick} '
              '${NIMChatroomNotificationTypes.typeToString(attachment.type)}');
        }
        if (message.content == 'fetch room info') {
          chatroomService.fetchChatroomInfo(chatroomId).then((value) {
            print(
                'ChatroomService##fetch updated chatroom info: ${value.data?.name} '
                '${value.data?.announcement}');
          });
        }

        final setAnnouncement = RegExp(r'^set announcement (.+)$')
            .firstMatch(message.content ?? '');
        if (setAnnouncement != null) {
          chatroomService
              .updateChatroomInfo(
            roomId: chatroomId,
            request: NIMChatroomUpdateRequest(
              announcement: setAnnouncement.group(1),
            ),
            needNotify: true,
          )
              .then((value) {
            print(
                'ChatroomService##set chatroom announcement:  ${value.code} ${value.errorDetails}');
          });
        }

        final pollMessage = RegExp(r'^poll message( [0-9]*)$')
            .firstMatch(message.content ?? '');
        if (pollMessage != null) {
          chatroomService.fetchMessageHistory(
            roomId: chatroomId,
            startTime: DateTime.now().millisecondsSinceEpoch,
            limit:
                max(1, int.tryParse(pollMessage.group(1)?.trim() ?? '1') ?? 1),
            direction: QueryDirection.QUERY_OLD,
            messageTypeList: [NIMMessageType.text],
          ).then((messages) {
            var index = 0;
            messages.data?.forEach((message) {
              print(
                  'ChatroomService##message history: ${index++} ${message.fromAccount} ${message.fromNickname} '
                  '\'${message.content}\'');
            });
          });
        }

        if (message.content == 'poll queue') {
          chatroomService.fetchChatroomQueue(chatroomId).then((value) {
            print(
                'ChatroomService##poll queue: ${value.code} ${value.errorDetails} '
                '${value.data?.map((e) => '${e.key}:${e.value}').toList()}');
          });
        }

        if (message.content == 'clear queue') {
          chatroomService.clearChatroomQueue(message.sessionId!).then((value) {
            print(
                'ChatroomService##clear queue: ${value.code} ${value.errorDetails}');
          });
        }

        final pollQueueEntry = RegExp(r'^poll queue entry (.+)$')
            .firstMatch(message.content ?? '');
        if (pollQueueEntry != null) {
          chatroomService
              .pollChatroomQueueEntry(chatroomId, pollQueueEntry.group(1))
              .then((value) {
            print(
                'ChatroomService##poll queue entry: ${value.code} ${value.errorDetails} ${value.data?.key} ${value.data?.value}');
          });
        }

        final addQueueEntry = RegExp(r'^add queue entry (.+) (.+)$')
            .firstMatch(message.content ?? '');
        if (addQueueEntry != null) {
          chatroomService
              .updateChatroomQueueEntry(
            roomId: chatroomId,
            entry: NIMChatroomQueueEntry(
              key: addQueueEntry.group(1) as String,
              value: addQueueEntry.group(2) as String,
            ),
          )
              .then((value) {
            print(
                'ChatroomService##add queue entry: ${value.code} ${value.errorDetails}');
          });
        }

        if (message.content == 'exit') {
          chatroomService.exitChatroom(message.sessionId!).then((value) {
            print(
                'ChatroomService##exit chatroom: ${value.code} ${value.errorDetails}');
          });
        }

        final setNickname =
            RegExp(r'^set nickname (.+)$').firstMatch(message.content ?? '');
        if (setNickname != null) {
          chatroomService
              .updateChatroomMyMemberInfo(
            roomId: chatroomId,
            request: NIMChatroomUpdateMyMemberInfoRequest(
              nickname: setNickname.group(1) as String,
              needSave: true,
            ),
          )
              .then((value) {
            print(
                'ChatroomService##update chatroom my info:  ${value.code} ${value.errorDetails}');
          });
        }

        if (message.content == 'ping') {
          ChatroomMessageBuilder.createChatroomTextMessage(
            roomId: message.sessionId!,
            text: 'pong',
          ).then<NIMResult>((result) {
            if (result.isSuccess) {
              return chatroomService.sendChatroomMessage(result.data!);
            } else {
              return result;
            }
          }).then((value) {
            print(
                'ChatroomService##send message: ${value.code} ${value.errorDetails}');
          });
        }

        final fetchMembers = RegExp(r'^fetch members( [0-9]*)$')
            .firstMatch(message.content ?? '');
        if (fetchMembers != null) {
          chatroomService
              .fetchChatroomMembers(
            roomId: chatroomId,
            queryType: NIMChatroomMemberQueryType.values.firstWhere(
                (element) =>
                    element.index ==
                    int.tryParse(fetchMembers.group(1)?.trim() ?? '0'),
                orElse: () => NIMChatroomMemberQueryType.allNormalMember),
            limit: 10,
          )
              .then((result) {
            var index = 0;
            result.data?.forEach((member) {
              print(
                  'ChatroomService fetchChatroomMembers ##member_${index++}: ${member.account} ${member.nickname} ${member.memberType}');
            });
          });
        }

        final fetchMember =
            RegExp(r'^fetch member (.+)$').firstMatch(message.content ?? '');
        if (fetchMember != null) {
          chatroomService.fetchChatroomMembersByAccount(
              roomId: chatroomId,
              accountList: [fetchMember.group(1) as String]).then((result) {
            final member = result.data != null && result.data!.isNotEmpty
                ? result.data![0]
                : null;
            print(
                'ChatroomService fetch member: ${member?.account} ${member?.nickname} ${member?.memberType}');
          });
        }

        if (message.content == 'mute me') {
          chatroomService
              .markChatroomMemberTempMuted(
            duration: 5000,
            options: NIMChatroomMemberOptions(
              roomId: chatroomId,
              account: message.fromAccount!,
            ),
            needNotify: true,
          )
              .then((result) {
            print(
                'ChatroomService temp mute member: ${result.code} ${result.errorDetails}');
          });
        }
      });
    });

    chatroomService
        .enterChatroom(NIMChatRoomEnterRequest.fromMap({
      'roomId': chatroomId,
      'nickname': 'lcd',
    }))
        .then((value) {
      print(
          'ChatroomService##enter chatroom: ${value.code} ${value.errorDetails}');
    });
  }
}