Authentication

ZIMLoginConfig config = new ZIMLoginConfig();
config.userName = "YOUR_USER_NAME";
config.token = "xxxx"; //  The token you get from your app server. 

zim.login(userID, config, new ZIMLoggedInCallback() {
    @Override
    public void onLoggedIn(ZIMError error) {
        // You can tell by the ZIMErrorCode whether the room login is successful.
        ......        
    }
 });

try{
    ZIMLoginConfig loginConfig = ZIMLoginConfig();
    // The user's nickname, leave it blank if you don't want to modify the nickname
    loginConfig.userName = 'userName';
    // If using token as the authentication method, please fill in this parameter, otherwise no need to fill in
    loginConfig.token = '';
    // Whether this login is an offline login, please refer to the offline login documentation for details
    loginConfig.isOfflineLogin = false;
    await ZIM.getInstance()?.login('zego', loginConfig);
    // Login successful, write the business logic for successful login
} on PlatformException catch(onError){
    // Login failed
    // Error code for login failure, please refer to the error code table in the integration documentation for handling
    onError.code;
    // Error message for login failure
    onError.message;
}

ZIMLoginConfig *config = [[ZIMLoginConfig alloc]init];
config.userName = @"YOUR_USER_NAME";
config.token = @"xxxx";// Obtain the token from the server.

[zim loginWithUserID:userID config:config callback:^(ZIMError * _Nonnull errorInfo) {
        // Check whether the login is successful based on the `ZIMErrorCode`.
}];

ZIMUserInfo userInfo = new ZIMUserInfo();
userInfo.userID = "userID";
userInfo.userName = "userName";
string token = "xxxxxxx"; // The Token you get from your app server. 
zim.Login(userInfo, token, (ZIMError errorInfo) =>
{
    if(errorInfo.code == ZIMErrorCode.Success)
    {
        // Login successful.
    }
    else 
    {
        // Login failed.
    }
});

ZIMLoginConfig config;
config.userName = 'YOUR_USER_NAME';
config.token = 'xxxx';  // The Token you get from your app server. 

zim->login(userID, config, [=](zim::ZIMError errorInfo) {
    // You can tell by the ZIMError errorInfo whether the room login is successful.
    ......
});

@Override
public void onTokenWillExpire(int second){
    String token = getToken(); // Request a new Token from app server.
    engine.renewToken(token, new ZIMTokenRenewedCallback {
        @Override
        public void onTokenRenewed(String token, ZIMError error) {
            // You can tell by the ZIMErrorCode whether the Token is renewed successfully.
        } 
    });
}

ZIMEventHandler.onTokenWillExpire = (zim, second) {
    ZIM.getInstance().renewToken('new token');
};

- (void)zim:(ZIM *)zim tokenWillExpire:(unsigned int)second {
    NSString *token = [MyToken getToken]; // Obtain a new token from the server.
    [self.zim renewToken:token callback:^(ZIMError * _Nonnull errorInfo) {
        // Check whether the token is updated successfully based on the `ZIMErrorCode`.
        ......
    }];
}

- (void)zim:(ZIM *)zim tokenWillExpire:(unsigned int)second {
    NSString *token = [MyToken getToken]; // Obtain a new token from the server.
    [self.zim renewToken:token callback:^(ZIMError * _Nonnull errorInfo) {
        // Check whether the token is updated successfully based on the `ZIMErrorCode`.
        ......
    }];
}

// zim is the instance you created.
zim.onTokenWillExpire = (ZIM zim, uint second) =>
{
    zim.RenewToken("new token", (string token, ZIMError errorInfo) => 
    {
        // You can tell by the ZIMErrorCode whether the Token is renewed successfully.
    });
};

void onTokenWillExpire(ZIM * zim, unsigned int second) override {
    std::string token = getToken(); // Request a new Token from app server.
    zim->renewToken(token, [=](const std::string &token, zim::ZIMError errorInfo) {
        // You can tell by the ZIMError errorInfo whether the room login is successful.
        ......
    });
}