tencent cloud

String userID = "your user id";
String userSig = "userSig from your server";
V2TimCallback res = await TencentImSDKPlugin.v2TIMManager.login(userID: userID, userSig: userSig);
if(res.code == 0){
    // Logic for successful login
}else{
     // Logic for failed login
}

    // After successful login,
    // call `getLoginUser` to get the `UserID`.
    V2TimValueCallback<String> getLoginUserRes =
        await TencentImSDKPlugin.v2TIMManager.getLoginUser();
    if (getLoginUserRes.code == 0) {
      // Obtained successfully
      getLoginUserRes.data; // `getLoginUserRes.data` gets the `UserID` of the login user
    }

    // After successful login,
    // call `getLoginStatus` to get the status of the login user.
    V2TimValueCallback<int> getLoginStatusRes =
        await TencentImSDKPlugin.v2TIMManager.getLoginStatus();
    if (getLoginStatusRes.code == 0) {
      int? status = getLoginStatusRes.data; // `getLoginStatusRes.data` gets the user's login status value.
      if (status == 1) {
        // Logged in
      } else if (status == 2) {
        // Logging in
      } else if (status == 3) {
        // Not logged in
      }
    }

V2TimCallback logoutRes = await TencentImSDKPlugin.v2TIMManager.logout();
if(logoutRes.code == 0){

}