// Set the contacts listener
    V2TimFriendshipListener listener = V2TimFriendshipListener(
      onBlackListAdd: (List<V2TimFriendInfo> infoList) async {
        // Callback for adding a user to the blocklist
        // infoList: List of information of the user added
      },
      onBlackListDeleted: (List<String> userList) async {
        // Callback for removing users from the blocklist
        // userList: List of IDs of the users deleted
      },
      onFriendApplicationListAdded:
          (List<V2TimFriendApplication> applicationList) async {
        // Callback for the increase of friend requests
        // applicationList: List of the information of new friend requests
      },
      onFriendApplicationListDeleted: (List<String> userIDList) async {
        // Callback for the decrease of friend requests
        // userIDList: List of user IDs corresponding to the friend requests decreased
      },
      onFriendApplicationListRead: () async {
        // Callback for read friend request
      },
      onFriendInfoChanged: (List<V2TimFriendInfo> infoList) async {
        // Callback for friend information changes
        // infoList: list of friends whose information changes
      },
      onFriendListAdded: (List<V2TimFriendInfo> users) async {
        // Callback for the increase of users in the friend list
        // users: list of users added
      },
      onFriendListDeleted: (List<String> userList) async {
        // Callback for the decrease of users in the friend list
        // userList: list of users deleted
      },
    );
    TencentImSDKPlugin.v2TIMManager
        .getFriendshipManager()
        .addFriendListener(listener: listener); // Add a contacts listener
 // Remove the contacts listener
 friendshipManager.removeFriendListener(listener: friendshipListener);

// Obtain a user's personal profile
V2TimValueCallback<String> self = await TencentImSDKPlugin.v2TIMManager.getLoginUser();
TencentImSDKPlugin.v2TIMManager.getUsersInfo(userIDList: [self.data]);

// Set the user's profile
 TencentImSDKPlugin.v2TIMManager.setSelfInfo(userFullInfo: V2TimUserFullInfo(nickName: "",role: 0,faceUrl: ""));


// Get friend information
V2TimValueCallback<List<V2TimFriendInfoResult>> friendsInfo = await friendshipManager.getFriendsInfo(userIDList: []);

// Set friend information
TencentImSDKPlugin.v2TIMManager.setSelfInfo(userFullInfo: V2TimUserFullInfo(nickName: "",role: 0,faceUrl: ""));