* Method allows to initialize the user. It applies when SDK initialization or user relogin.
* @param String activeUserId - unique cross-platform user identifier (max. 64 symbols)
DevToDev.setUserId(activeUserId);
* Method sets the current user level. Using this method allows to actualize the SDK user data
* in game cross-platform applications.
* @param int level - number of current game level of the user
DevToDev.setCurrentLevel(currentLevel);
* devtodev SDK initialization
* @param String appId - devtodev App Id
* @param String secretKey - Secret key
* devtodev App Id and Secret key can be found in the devtodev application
* settings page ("Settings" → "SDK" → "Integration")
DevToDev.init(getBaseContext(), appId, secretKey);