if (requestCallBack != null) {  
  mCallBackMap.put(requestId, requestCallBack);
}

private void IMResponseOnSuccess(String requestid, String response) {  
        if (mCallBackMap != null) {
           IMCallBack callBack = mCallBackMap.get(requestid);
           if (callBack == null) {
               return;
           }
           if (callBack instanceof JsonResultCallback) {
               final JsonResultCallback resultCallback = (JsonResultCallback) callBack;
               if (resultCallback.mType == String.class) {
                   callBack.onResponse(response);
               } else {
                   Object object = new Gson().fromJson(response, resultCallback.mType);
                   callBack.onResponse(object);
               }
               removeCallBack(requestid);
           }
        }
}

RequestApi requestApi = new RequestApi(IMConstant.REQ_TYPE_GET_CONVERSATION_LIST, EnumsManager.IMType.IM_TYPE_WSC.getRequestChannel());

requestApi.addRequestParams("limit", 100);  
requestApi.addRequestParams("offset", 0);

IMEngine.getInstance().request(requestApi, new JsonResultCallback<List<ConversationEntity>>() {  
    @Override
    public void onResponse(List<ConversationEntity> response) {
        mSwipeRefreshLayout.setRefreshing(false);
        mAdapter.mDataset.clear();
        mAdapter.mDataset.addAll(response);
        mAdapter.notifyDataSetChanged();
    }

    @Override
    public void onError(int statusCode) {
        //do something
    }
}); 

public interface IMListener {  
    /**
     * 连接成功
     */
    void connectSuccess();

    /**
     * 连接失败
     */
    void connectFailure(EnumsManager.DisconnectType type);

    /**
     * 鉴权成功
     */
    void authorSuccess();

    /**
     * 鉴权失败
     */
    void authorFailure();

    /**
     * 接收数据成功
     */
    void receiveSuccess(int reqType, String msgId, String requestChannel, String message, int statusCode);

    /**
     * 接收数据失败
     */
    void receiveError(int reqType, String msgId, String requestChannel, int statusCode);
}

private void distributeData(IMEntity imEntity) {  
        if (mIMListener != null && imEntity != null) {
       // 省略部分逻辑代码
       ……
       if (status == Response.SUCCESS) {
           switch (responseModel.reqType) {
               case IMConstant.REQ_TYPE_AUTH: // 鉴权成功
                   mIMListener.authorSuccess();
                   return;

               case IMConstant.REQ_TYPE_OFFLINE: //  服务端踢客户端下线
                   mIMListener.connectFailure(EnumsManager.DisconnectType.SERVER);
                   break;

               case IMConstant.REQ_TYPE_HEARTBEAT: // 心跳成功
               case IMConstant.REQ_TYPE_RECEIVER_MSG: // 收到回调消息
                   handleMessageID(responseModel.body);
                   break;
               default:
                   break;
           }
           mIMListener.receiveSuccess(responseModel.reqType, msgId, responseModel
                   .requestChannel, responseModel.body, 0);
       } else {
           mIMListener.receiveError(responseModel.reqType, msgId, responseModel
                   .requestChannel, status);
       }
   }
}

    <?xml version="1.0" encoding="utf-8"?>
    <resources>
        <style name="limit">
            <!--每屏展示的条数-->
            <item name="swiplimit">5</item>
            ......
        </style>
        ......
        ......
        <style name="itembox">
            <item name="showvoice">true</item>
            ......
            ......
            <item name="more" show="true">
                <more>
                    <icon style="mipmap">im_plus_image</icon>
                    <itemname>测试</itemname>
                    <callback>false</callback>
                </more>
                 ......
                 ......
                <more>
                    <icon style="mipmap">ic_launcher</icon>
                    <itemname>测试</itemname>
                    <callback>true</callback>
                </more>
            </item>
            ......
            ......
        </style>
    </resources>

    <?xml version="1.0" encoding="utf-8"?>
    <resources>
        <!--im 聊天背景-->
        <style name="imui_background">
            <item name="android:background">@android:color/holo_red_dark</item>
        </style>
        ......
        ......

        <!--气泡背景-->
        <style name="bubble_background">
            <item name="android:background">@mipmap/bubble_right_green</item>
        </style>

           <!--背景和和字段颜色定制-->
        <style name="bg_and_textcolor" parent="bubble_background">
            <item name="android:textColor">@android:color/holo_red_dark</item>
        </style>
        ......
        ......
    </resources>

    public class Entity {
        public String action1;
        public String action2;
        public String aciton3;
        ......
    }