Lost items after sorting item in More menu

AirDrop.m

   NSURL *url = [self fileToURL:self.documentName];
    NSArray *objectsToShare = @[url];

    
    AirDropActivityView *activityDownload = [[AirDropActivityView alloc] init];
    activityDownload.airDropType = 0;
     AirDropActivityView *activityTrash = [[AirDropActivityView alloc] init];
    activityTrash.airDropType = 1;
    AirDropActivityView *activityMove = [[AirDropActivityView alloc] init];
    activityMove.airDropType = 2;
    
    NSArray *uiActivitys = @[activityDownload,activityTrash,activityMove];
    UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:objectsToShare applicationActivities:uiActivitys];
    
    // Exclude all activities except AirDrop.
    NSArray *excludedActivities = @[UIActivityTypePostToTwitter, UIActivityTypePostToFacebook,
                                    UIActivityTypePostToWeibo,
                                    UIActivityTypeMessage, UIActivityTypeMail,
                                    UIActivityTypePrint, UIActivityTypeCopyToPasteboard,
                                    UIActivityTypeAssignToContact, UIActivityTypeSaveToCameraRoll,
                                    UIActivityTypeAddToReadingList, UIActivityTypePostToFlickr,
                                    UIActivityTypePostToVimeo, UIActivityTypePostToTencentWeibo];
    controller.excludedActivityTypes = excludedActivities;
    
    // Present the controller
    [self presentViewController:controller animated:YES completion:nil];