// Generates the main class for use XPush.
// XPush session address (XPUSH_SERVER_HOST)
// Create a unique Application Id to use in XPush
XPush xpush = new XPush( XPUSH_SERVER_HOST, APPLICATION_ID);

// ID, password, device ID, the notification ID is required to create a user 
// If you have entered the NOTIFICATION_ID, XPUSH will send the GCM to android device. Where NOTIFICATION_ID do not need as WEB SERVER or not used.
// Equipment ID is usually used for NOTIFICATION ID in the mobile device,
It can be specified arbitrarily in WEB or SERver.
xpush.signup( USER_ID, PASSWORD, DEVICE_ID, NOTIFICAITON_ID-options );

// The user may possess a number of devices. The current name of the device for login also enter together.
xpush.login( USER_ID, PASSWORD, DEVICE_ID);

// Generate channel with user IDs to be included in the same channel.
// If you want to specify the Channel name, input the channle name insecond param. It will be automatically generated when it is null.
// You can enter additional information.
// callback function to be performed after generate
xpush.createChannel( new String[]{USER_IDS...}, null, new JSONObject(), new XPushEmitter.createChannelListener() {
    public void call(ChannelConnectionException e, String channelName,
                    ChannelConnection ch, List<User> users) {
    }
});

// And transmits the message. Input a name of the channel with message data to send. Then wait for a response
xpush.send(CHANNEL_NAME, SEND_KEY, SEND_OBJECT, new Emitter.Listener() {
    public void call(Object... args) {
        // call after message send
    }
});

// You can receive all the data coming from all channels. When data is received, call the callback function.
xpush.onMessageReceived(new XPushEmitter.messageReceived() {
    @Override
    public void call(String channelName, String key, JSONObject value) {
        System.out.println(channelName +":"+ key +":"+ value);
    }
});

XPush xpush = new XPush( XPUSH_SERVER_HOST, APPLICATION_ID);

xpush.login( USER_ID, PASSWORD, DEVICE_ID);
or 
xpush.login( USER_ID, PASSWORD, DEVICE_ID, NOTIFICATION_ID);

xpush.signup( USER_ID, PASSWORD, DEVICE_ID);    
or
xpush.signup( USER_ID, PASSWORD, DEVICE_ID, NOTIFICATION_ID);

xpush.createChannel( new String[]{"notdol102"}, null, new JSONObject(),  new XPushEmitter.createChannelListener() {
    public void call(ChannelConnectionException e, String channelName,
                    ChannelConnection ch, List<User> users) {
        // e is error code
        // channelName is created new channel name
        // ch is ChannelConnection Object
        // users is people in channel
    }
});

xpush.getChannels( new XPushEmitter.receiveChannelList() {
            public void call(String err,
                    List<Channel> channels) {
            }
        });

Channel ch = xpush.getChannel( CHANNEL_NAME );

xpush2.joinChannel(CHANNEL_NAME , USER_ID, new Emitter.Listener() {
    public void call(Object... args) {
        String err = (String) args[0];
    }
});

xpush.exitChannel( CHANNEL_NAME , new Emitter.Listener() {
    public void call(Object... args) {
        String err = (String) args[0];
    }
});

xpush.getUserList(new JSONObject(), new XPushEmitter.receiveUserList() {
    public void call(String err, List<User> users) {
    }
});

xpush.getUserListInChannel( CHANNEL_NAME , new JSONObject(), new XPushEmitter.receiveUserList() {
    public void call(String err, List<User> users) {
    }
});

xpush.send(CHANNEL_NAME, SEND_MESSAGE_KEY, MESSAGE - new JSONObject(), new Emitter.Listener() {
    public void call(Object... arg0) {
        // call after send message
    }
});

xpush2.onMessageReceived(new XPushEmitter.messageReceived() {
    @Override
    public void call(String channelName, String key, JSONObject value) {
        System.out.println(channelName +":"+ key +":"+ value);
    }
});

xpush2.on( ChannelConnection.RECEIVE_KEY ,new Emitter.Listener() {
    public void call(Object... args) {
        String channel_name = (String) args[0];
        String message_key = (String) args[1];
        JSONObject message_data = (JSONObject) args[2];
    }
});

channel.disconnect();