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#IM JS SDK

IMService Methods

  • constructor

    • Initializes the client
  • observer

    • handle messages that received from server
  • accessToken

    • property must be set before start
  • start

    • Start im service
  • stop

    • Stop im service
  • sendPeerMessage

    • Send a message to peer
    • Parameters
      • msg (Object): message property(sender, receiver, content, msgLocalID)
  • sendGroupMessage

    • Send a message to peer
    • Parameters
      • msg (Object): message property(sender, receiver, content, msgLocalID)

IMService Observer

  • onConnectState

    • callback when im service connection state changed
    • Parameters
      • state:im service's connect state
  • handlePeerMessage

    • callback when im service received a peer message
    • Parameters
      • msg (Object): message property(sender, receiver, content, timestamp)
  • handleMessageACK

    • callback when im service received an ack of message
    • Parameters
      • msg (Object): message property(sender, receiver, content, timestamp)
  • handleMessageFailure

    • callback when im service can't send out the message
    • Parameters
      • msg (Object): message property(sender, receiver, content, timestamp)
  • handleGroupMessage

    • callback when im service received a peer message
    • Parameters
      • msg (Object): message property(sender, receiver, content, timestamp)
  • handleGroupMessageACK

    • callback when im service received an ack of message
    • Parameters
      • msg (Object): message property(sender, receiver, content, timestamp)
  • handleGroupMessageFailure

    • callback when im service can't send out the message
    • Parameters
      • msg (Object): message property(sender, receiver, content, timestamp)

##example

<script src="/im.js"></script>
<script>
  var observer = {
    handlePeerMessage: function (msg) {
        console.log("msg sender:", msg.sender, " receiver:", msg.receiver, " content:", msg.content, " timestamp:", msg.timestamp)
    },
    handleMessageACK: function(msg) {
        console.log("message ack local id:", msgLocalID, " receiver:", receiver)
    },
    handleMessageFailure: function(msg) {
        console.log("message fail local id:", msgLocalID, " receiver:", receiver)
    },
    onConnectState: function(state) {
        if (state == IMService.STATE_CONNECTED) {
           console.log("im connected");
        } else if (state == IMService.STATE_CONNECTING) {
           console.log("im connecting");
        } else if (state == IMService.STATE_CONNECTFAIL) {
           console.log("im connect fail");
        } else if (state == IMService.STATE_UNCONNECTED) {
           console.log("im unconnected");
        }
    },

    handleGroupMessage: function(msg) {
        console.log("group msg sender:", msg.sender, " receiver:", msg.receiver, " content:", msg.content, " timestamp:", msg.timestamp)
    },
    handleGroupMessageACK: function(msg) {
        console.log("group message ack:", msg);
    },
    handleGroupMessageFailure: function(msg) {
        console.log("group message fail:", msg);
    },
    handleGroupNotification(notification) {
        var obj = JSON.parse(notification);
        console.log("group notification:", obj);
    },
  }
  
  var im = new IMService();
  im.observer = observer;
  im.accessToken = "????";
  im.start()

  var msg = {sender:100, receiver:200, content:"11", msgLocalID:1000}

  //connectState == STATE_CONNECTING
  var r = im.sendPeerMessage(msg);
  //r == false
  console.log("send message result:", r);


  function send() {
      var msg = {sender:100, receiver:100, content:"11", msgLocalID:1000}
      if (im.connectState == IMService.STATE_CONNECTED) {
          im.sendPeerMessage(msg);
      }
  }

  setTimeout(send, 2000)
</script>

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