fetchUser method
Fetches user data from the native platform.
This method invokes a native method to fetch user data based on the provided user ID.
Args: id (int): The ID of the user to fetch.
Returns: A Future that completes when the user data has been fetched.
Implementation
Future<void> fetchUser(int id) async {
final _ = await invokeNativeMethod('SmartfaceMobile.fetchUser', {
'arg0': id,
});
}