QuickBlox React Native SDK

import QB from 'quickblox-react-native-sdk';

interface ChatMessageEvent {
  type: string;
  payload: QB.Message;
}

const APPLICATION_ID   = 'your_application_id';
const AUTH_KEY         = 'your_auth_key';
const AUTH_SECRET      = 'your_auth_secret';
const ACCOUNT_KEY      = 'your_account_key';

const USER_LOGIN      = 'your_user_login';
const USER_PASSWORD   = 'your_user_password';
const DIALOG_ID       = 'your_dialog_id_here';  

export async function someMethodInvokingFromMain(): Promise {
  const appSettings = {
    appId:       APPLICATION_ID,
    authKey:     AUTH_KEY,
    authSecret:  AUTH_SECRET,
    accountKey:  ACCOUNT_KEY,
  };
  try {
    // Here we initialize the SDK with the required parameters.
    await QB.settings.init(appSettings);
    // Here we optionally enable automatic chat reconnection. If there are network issues, the chat will reconnect automatically.
    await QB.settings.enableAutoReconnect({ enable: true });
    // Here we log in the user to create a session and start using the chat and other SDK features.
    const info = await QB.auth.login({ login: USER_LOGIN, password: USER_PASSWORD });
    console.log('[QuickBlox] User logged in:', info.user);
    // Here we connect to the chat to start using real-time messaging for sending and receiving messages.
    if (!QB.chat.isConnected()) {
      await QB.chat.connect({ userId: info.user.id, password: USER_PASSWORD });
    }
    // Here we subscribe to chat events to receive incoming messages from other users.
    const emitter = new NativeEventEmitter(QB.chat as any);
    emitter.addListener(QB.chat.EVENT_TYPE.RECEIVED_NEW_MESSAGE, receivedNewMessage);
    // Here we optionally create a new dialog with other users. The occupantsIds parameter should contain the IDs of the participants.
    const dialog: QB.Chat.CreateGroupOrPublicDialogParams = {
      type: QB.chat.DIALOG_TYPE.GROUP_CHAT,
      name: 'my dialog name',
      occupantsIds: [], // Replace with actual user IDs
    };
    await QB.chat.createDialog(dialog);
    // Here we send our message to other users in the dialog.
    const message = {
      dialogId: DIALOG_ID,
      body: 'Hello from QuickBlox React Native SDK!',
      saveToHistory: true,
    };
    await QB.chat.sendMessage(message);
  } catch (e) {
    console.error('Error:', e);
    throw e;
  }
}

export function receivedNewMessage({ payload }: ChatMessageEvent): void {
  // payload is QB.Message with full type safety
  console.log('New message:', payload.body, 'from:', payload.senderId);
}