只有 Facebook 分享中的概率......你能告诉我我在哪里犯了错误吗？

Question

Facebook 文本共享中的问题，如果共享推特或任何社交媒体它的工作。有哪里说错了，请告诉我：

NSString *textToShare = [NSString stringWithFormat:@" Hi Whosebug;

NSArray *objectsToShare = @[textToShare];

UIActivityViewController *activityVC = [[UIActivityViewController alloc] initWithActivityItems:objectsToShare applicationActivities:nil];

NSArray *excludeActivities = @[UIActivityTypeAirDrop,
                                             UIActivityTypePrint,
                                   UIActivityTypeAssignToContact,
                                  UIActivityTypeSaveToCameraRoll,
                                  UIActivityTypeAddToReadingList,                                
                                      UIActivityTypePostToFlickr,    
                                       UIActivityTypePostToVimeo];     
           activityVC.excludedActivityTypes = excludeActivities;

 [self presentViewController:activityVC animated:YES completion:nil];

Answer 1

• 我从FB得到答案...

看这个：We can't share pre-fill text