Send & Receive messages

// 1. Create ZIM object and pass in appID and appSign
ZIMAppConfig appConfig = new ZIMAppConfig();
appConfig.appID = 12345;  // Replace with the AppID you obtained from the ZEGO console, for more details, please refer to Console - Project Information.
appConfig.appSign = "appSign";   // Replace with the AppSign you obtained from the ZEGO console, for more details, please refer to Console - Project Information.
ZIM.Create(appConfig);

// 2. Set callback for receiving one-on-one chat messages
ZIM.GetInstance().onReceivePeerMessage = (ZIM zim,
                    List<ZIMMessage> messageList,
                    string fromUserID) =>{ };

// 3. Login
ZIMUserInfo zimUserInfo = new ZIMUserInfo();
zimUserInfo.userID = "xxxx";
zimUserInfo.userName = "xxxx";
ZIM.GetInstance().Login(zimUserInfo, (ZIMError errorInfo) =>
    {
        // Developers can determine whether the login is successful based on ZIMError.
    }
);

string toConversationID = "xxxx1";

ZIMTextMessage zimMessage = new ZIMTextMessage();
zimMessage.message = "Message content";

ZIMMessageSendConfig config = new ZIMMessageSendConfig();
// Set message priority
config.priority = ZIMMessagePriority.Low;
// Set offline push configuration for the message
ZIMPushConfig pushConfig = new ZIMPushConfig();
pushConfig.title = "Offline push title";
pushConfig.content = "Offline push content";
pushConfig.payload = "Offline push extra information";
config.pushConfig = pushConfig;

// 4. Set conversation type for sending messages
// Send one-on-one chat messages
ZIMConversationType peerType = ZIMConversationType.Peer;

// Send group chat messages
// ZIMConversationType groupType = ZIMConversationType.Group;

// Send room chat messages
// ZIMConversationType roomType = ZIMConversationType.Room;


ZIMMessageSendNotification notification = new ZIMMessageSendNotification();

// 5. Send message
ZIM.GetInstance().SendMessage(zimMessage, toConversationID, peerType, config, notification, (ZIMMessage message, ZIMError errorInfo) =>
{
    // Developers can use this callback to listen for successful message sending.
});

ZIM.GetInstance().onMessageSentStatusChanged = (
    ZIM zim,
    List<ZIMMessageSentStatusChangeInfo> messageSentStatusChangeInfoList) =>
{
    // Developers can use this notification to listen for successful message sending.
};

ZIM.GetInstance().onReceivePeerMessage = (ZIM zim,
                            List<ZIMMessage> messageList,
                            string fromUserID) =>
{
    // Received one-on-one chat messages
};

ZIM.GetInstance().onReceiveRoomMessage = (ZIM zim,
                            List<ZIMMessage> messageList,
                            string fromRoomID) =>
{
    // Received room chat messages
};

ZIM.GetInstance().onReceiveGroupMessage = (ZIM zim,
                            List<ZIMMessage> messageList,
                            string fromGroupID) =>
{
    // Received group chat messages
};

// Example of receiving rich media message - Receiving rich media message in one-on-one chat
ZIM.GetInstance().onReceivePeerMessage = (ZIM zim,
                                 List<ZIMMessage> messageList,
                                 string fromUserID) =>
        {
            foreach(var message in messageList)
            {
                if(message.type == ZIMMessageType.Image)
                {
                    ZIMImageMessage imageMessage = message as ZIMImageMessage;
                    ZIM.GetInstance().DownloadMediaFile(imageMessage, ZIMMediaFileType.OriginalFile, (ZIMMediaMessage message,
                           ulong currentFileSize, ulong totalFileSize) =>
                    { 
                    // Download progress callback
                    },
                    (ZIMMediaMessage message, ZIMError errorInfo) => {
                    // Download completion callback
                    });
                }else if (message.type == ZIMMessageType.Video)
                {
                    ZIMVideoMessage videoMessage = message as ZIMVideoMessage;
                    // Choose the type of download through ZIMMediaFileType, such as the video source file or the first frame of the video
                    ZIMMediaFileType fileType = ZIMMediaFileType.VideoFirstFrame;
                    ZIM.GetInstance().DownloadMediaFile(videoMessage, fileType, (ZIMMediaMessage message,
                           ulong currentFileSize, ulong totalFileSize) =>
                    {
                        // Download progress callback
                    },
                    (ZIMMediaMessage message, ZIMError errorInfo) => {
                        // Download completion callback
                    });
                }
            }
        };

// Sending a signaling message to a specific user
// 4. Send a signaling message
string userID = "xxxx";

ZIMCommandMessage customMessage = new ZIMCommandMessage();
customMessage.message = new byte[] { 0x1, 0x2, 0x1, 0x2 };

ZIMMessageSendConfig config = new ZIMMessageSendConfig();
// Set the message priority
config.priority = ZIMMessagePriority.Low;
// Offline push configuration for messages is not supported in rooms. If you need to send offline messages, please contact ZEGO technical support to enable the relevant permissions.

// Send one-on-one chat messages
ZIMConversationType peerType = ZIMConversationType.Peer;

// Send group chat messages
// ZIMConversationType groupType = ZIMConversationType.Group;

// Send room messages
// ZIMConversationType roomType = ZIMConversationType.Room;

ZIMMessageSendNotification notification = new ZIMMessageSendNotification();
notification.onMessageAttached = (ZIMMessage message) => { };
ZIM.GetInstance().SendMessage(customMessage, 
    "toConversationID", peerType, config, notification, (ZIMMessage message, ZIMError errorInfo) => { });

// User receives signaling messages
ZIM.GetInstance().onReceivePeerMessage = (ZIM zim,
                        List<ZIMMessage> messageList,
                        string fromUserID) =>
{
    foreach(var message in messageList)
    {
        if (message.type == ZIMMessageType.Command)
        {
            ZIMCommandMessage commandMessage = (ZIMCommandMessage)message;
        }
    }
};

// Send custom message to a specific user in a one-on-one chat conversation

// 1. Create ZIM object, pass in appID, appSign, and Application in Android
// Please refer to the relevant code in the previous section "Send Messages" for specific code.

// 2. Log in
// Please refer to the relevant code in the previous section "Send Messages" for specific code.

// 3. Send custom message
// Specify the user ID
string userID = "xxxx";

// The text content of the custom message
string message = "";

// The specific custom type
int subType = 100;

// The search field for the custom message
string searchedContent = "";

ZIMCustomMessage zimCustomMessage = new ZIMCustomMessage(message, subType);

// Advanced configuration for sending messages
ZIMMessageSendConfig config = new ZIMMessageSendConfig();
// Set the message priority
config.priority = ZIMMessagePriority.LOW;

// Send a one-on-one chat message
ZIMConversationType type = ZIMConversationType.Peer;

// Send a group chat message
// ZIMConversationType type = ZIMConversationType.Group;

// Send a room message
// ZIMConversationType type = ZIMConversationType.Room;

ZIMMessageSendNotification notification = new ZIMMessageSendNotification();
ZIM.GetInstance().SendMessage(zimCustomMessage, toConversationID, type, config, notification, (ZIMMessage message, ZIMError errorInfo) =>
{
    // Developers can use this callback to listen for whether the message is sent successfully.
});

ZIM.GetInstance().onMessageSentStatusChanged = (
    ZIM zim,
    List<ZIMMessageSentStatusChangeInfo> messageSentStatusChangeInfoList) =>
{
    // Developers can use this notification to listen for whether the message is sent successfully.
};

// User receives custom messages
ZIM.GetInstance().onReceivePeerMessage = (ZIM zim,
                        List<ZIMMessage> messageList,
                        string fromUserID) =>
{
    foreach(var message in messageList)
    {
        if (message.type == ZIMMessageType.Custom)
        {
            ZIMCustomMessage customMessage = (ZIMCustomMessage)message;
        }
    }
};

//  Listen for the message status 
 ZIM.GetInstance().onMessageSentStatusChanged = (
            ZIM zim,
            List<ZIMMessageSentStatusChangeInfo> messageSentStatusChangeInfoList) =>
        {
                // You can listen for the callback on the changes of message status here.
        };