QB.chat
  .connect({
    userId: 12345,
    password: 'passw0rd!'
  })
  .then(function () {
    // connected successfully
  })
  .catch(function (e) {
    // some error occurred
  });

QB.chat
  .isConnected()
  .then(function (connected) { // boolean
    // handle as necessary, i.e.
    // if (connected === false) reconnect()
  })
  .catch(function (e) {
    // handle error
  });

QB.chat
  .disconnect()
  .then(function () {
    // disconnected successfully
  })
  .catch(function (e) {
    // handle error
  });

QB.settings
  .enableAutoReconnect({ enable: false })
  .then(function () {
    // done
  })
  .catch(function (e) {
    // handle error
  });

import { AppState } from 'react-native'
import QB from 'quickblox-react-native-sdk'

AppState.addEventListener('change', trackAppState)

function trackAppState (appState) {
  if (appState.match(/inactive|background/)) {
    QB.chat
      .disconnect()
      .then(function () { /* disconnected successfully */ })
      .catch(function (e) { /* handle error */ });
  } else {
    QB.chat
      .connect({
        userId: 12345,
        password: 'passw0rd!'
      })
      .then(function () { /* connected successfully */ })
      .catch(function (e) { /* some error occurred */ });
    }
}

QB.chat
  .createDialog({
    type: QB.chat.DIALOG_TYPE.CHAT,
    occupantsIds: [12345]
  })
  .then(function (dialog) {
    // handle as neccessary, i.e.
    // subscribe to chat events, typing events, etc.
  })
  .catch(function (e) {
    // handle error
  });

QB.chat
  .createDialog({
    type: QB.chat.DIALOG_TYPE.GROUP_CHAT,
    name: 'Group Chat',
    occupantsIds: [12345, 12346, 12347]
  })
  .then(function (dialog) {
    // handle as neccessary, i.e.
    // subscribe to chat events, typing events, etc.
  })
  .catch(function (e) {
    // handle error
  });

QB.chat
  .createDialog({
    type: QB.chat.DIALOG_TYPE.PUBLIC_CHAT,
    name: 'Awesome Public Chat'
  })
  .then(function (dialog) {
    // handle as neccessary, i.e.
    // subscribe to chat events, typing events, etc.
  })
  .catch(function (e) {
    // handle error
  });

QB.chat
  .getDialogs()
  .then(function (result) {
    // result.dialogs - array of dialogs found
    // result.skip - number of items skipped
    // result.limit - number of items returned per page
    // result.total - total amount of items
  })
  .catch(function (e) {
    // handle error
  });

const update = {
  dialogId: 'dsfsd934329hjhkda98793j2',
  addUsers: [12340],
  removeUsers: [12345],
  name: 'Team room'
};

QB.chat
  .updateDialog(update)
  .then(function (updatedDialog) {
    // handle as necessary
  })
  .catch(function (e) {
    // handle error
  });

QB.chat
  .deleteDialog({ dialogId: 'dsfsd934329hjhkda98793j2' })
  .then(function () {
    // dialog was removed successfully
  })
  .catch(function (e) {
    // handle error
  });

QB.chat
  .getDialogMessages({
    dialogId: 'dsfsd934329hjhkda98793j2',
    sort: {
      ascending: false,
      field: QB.chat.MESSAGES_SORT.FIELD.DATE_SENT
    },
    markAsRead: false
  })
  .then(function (result) {
    // result.messages - array of messages found
    // result.skip - number of items skipped
    // result.limit - number of items returned per page
  })
  .catch(function (e) {
    // handle error
  });

import { NativeEventEmitter } from 'react-native'
import QB from 'quickblox-react-native-sdk'

const emitter = new NativeEventEmitter(QB.chat);

// every event have following signature
// {
// type - event name (string)
// payload - event data (if any)
// }

function connectionEventHandler(event) {
  // handle connection event
}

function receivedNewMessage(event) {
  const { type, payload } = event
  // handle new message
  // type - event name (string)
  // payload - message received (object)
}

function messageStatusHandler(event) {
  // handle message status change
}

function systemMessageHandler(event) {
  // handle system message
}

function userTypingHandler(event) {
  // handle user typing / stopped typing event
}

const QBConnectionEvents = [
  QB.chat.EVENT_TYPE.CONNECTED,
  QB.chat.EVENT_TYPE.CONNECTION_CLOSED,
  QB.chat.EVENT_TYPE.CONNECTION_CLOSED_ON_ERROR,
  QB.chat.EVENT_TYPE.RECONNECTION_FAILED,
  QB.chat.EVENT_TYPE.RECONNECTION_SUCCESSFUL,
]

QBConnectionEvents.forEach(eventName => {
  emitter.addListener(eventName, connectionEventHandler)
})

emitter.addListener(
  QB.chat.EVENT_TYPE.RECEIVED_NEW_MESSAGE,
  receivedNewMessage
)

emitter.addListener(
  QB.chat.EVENT_TYPE.MESSAGE_DELIVERED,
  messageStatusHandler
)

emitter.addListener(
  QB.chat.EVENT_TYPE.MESSAGE_READ,
  messageStatusHandler
)

emitter.addListener(
  QB.chat.EVENT_TYPE.RECEIVED_SYSTEM_MESSAGE,
  systemMessageHandler
)

emitter.addListener(
  QB.chat.EVENT_TYPE.USER_IS_TYPING,
  userTypingHandler
)

emitter.addListener(
  QB.chat.EVENT_TYPE.USER_STOPPED_TYPING,
  userTypingHandler
)

const message = {
  dialogId: 'dsfsd934329hjhkda98793j2',
  body: 'Hey there!',
  saveToHistory: true
};

QB.chat
  .sendMessage(message)
  .then(function () { /* send successfully */ })
  .catch(function (e) { /* handle error */ })

QB.chat
  .joinDialog({ dialogId: 'dsfsd934329hjhkda98793j2' })
  .then(function () { /* joined successfully */ })
  .catch(function (e) { /* handle error */ })

const message = {
  dialogId: 'dsfsd934329hjhkda98793j2',
  body: 'Hey there!',
  saveToHistory: true
};

QB.chat
  .sendMessage(message)
  .then(function () { /* send successfully */ })
  .catch(function (e) { /* handle error */ })

QB.chat
  .leaveDialog({ dialogId: 'dsfsd934329hjhkda98793j2' })
  .then(function () { /* left successfully */ })
  .catch(function (e) { /* handle error */ })

const userId = 12345;

QB.chat
  .pingUser(userId)
  .then(function () { /* success */ })
  .catch(function (error) { /* handle error */ });

QB.chat
  .pingServer()
  .then(function () { /* success */ })
  .catch(function (error) { /* handle error */ });