Getting a list of files from Resources folder:

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

NSString *documentsDirectory = [paths objectAtIndex:0];

 NSError  *error;

 NSArray  *directoryContents = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:documentsDirectory

                                error:&error];