In multilingual applications, it’s important to provide localized log messages for better understanding and troubleshooting. XCGLogger is a powerful logging framework in Swift that allows us to customize and translate log messages easily.

To translate log messages using XCGLogger, follow the steps below:

Step 1: Prepare Localization Files

First, create localization files for all the languages you want to support in your project. To do this, go to your Xcode project, select the project file in the Project Navigator, and then navigate to the “Localizations” section under the “Info” tab. Add the desired languages and Xcode will create the corresponding .strings files for you.

Step 2: Localize Log Messages

Next, open each .strings file and provide translations for the log messages. For example, if your log message is “This is a debug message.”, provide translations like:

/* English */
"This is a debug message." = "This is a debug message.";

/* French */
"This is a debug message." = "Ceci est un message de débogage.";

/* German */
"This is a debug message." = "Dies ist eine Debug-Nachricht.";

Step 3: Implement Language Selection

Now, implement language selection logic in your application. This can be done in different ways, such as using a settings option or detecting the device’s language setting.

Step 4: Translate Log Messages

Finally, using XCGLogger, localize the log messages based on the selected language. Here’s an example code snippet:

import XCGLogger

// Create an instance of XCGLogger
let logger = XCGLogger(identifier: "advancedLogger", includeDefaultDestinations: false)

// Set the language for logging
let languageCode = "fr" // Replace with selected language code
logger.localizationFileName = "Localizable" // Replace with your localized strings file name

// Access the translation function of XCGLogger
func localizedLogMessage(forKey key: String) -> String {
    return logger.localized(key)
}

// Use the localizedLogMessage function to log messages
logger.debug(localizedLogMessage(forKey: "This is a debug message."))

In this code, localizedLogMessage(forKey:) is a helper function that uses the localized(_:) function provided by XCGLogger to return the translated log messages.

That’s it! By following these steps, you can use Swift XCGLogger to translate log messages into different languages in your application. Happy logging!

References:

• XCGLogger GitHub Repository
• Apple Localization Guide