public static IPackageVerificationDataSource GetInstance(Context context)
 {
     if (sInstance == null)
     {
         sInstance = new SharedPrefsPackageVerificationRepository(
             context.ApplicationContext);
     }
     return(sInstance);
 }
 public static IPackageVerificationDataSource GetInstance()
 {
     return(sInstance ?? (sInstance = new SharedPrefsPackageVerificationRepository()));
 }