通过UIActivityViewController向Facebook/Twitter共享图像在iOS 8中停止工作

我在iOS 7的FB/Twitter上有完美的图像共享代码

- (NSArray *)activityViewController:(NSArray *)activityViewController itemsForActivityType:(NSString *)activityType
{
...
  if ([activityType isEqualToString:UIActivityTypePostToFacebook] ||
      [activityType isEqualToString:UIActivityTypePostToTwitter])
    return @[@"text", [UIImage imageNamed:@"myImage"]];
...
}

更新到iOS 8后，我只在发布窗口中看到空白图像，没有任何内容发布到社交网络

---

想法？

以下是我为视频共享所做的。对于图像，您可以尝试同样的方法

我有视频数据，我首先保存到文档目录中的一个文件中，然后附加该文件

//write to a file [videoData writeToFile:[NSHomeDirectory() stringByAppendingPathComponent:@"Documents/image.mov"] atomically:YES];

然后

- (IBAction)ShareVideoWihFacebook:(id)sender {
    //get the file url NSString* path = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/image.mov"];

    NSURL *videoURL = [NSURL fileURLWithPath:path];
    UIActivityViewController * activityVC = [[UIActivityViewController alloc] initWithActivityItems:@[videoURL,@"Created by ..."] applicationActivities:NULL];

    [activityVC setExcludedActivityTypes:@[ UIActivityTypeMail,UIActivityTypeAssignToContact, UIActivityTypeCopyToPasteboard, UIActivityTypePrint, UIActivityTypePostToWeibo,UIActivityTypeMessage,UIActivityTypeAirDrop,UIActivityTypeSaveToCameraRoll]];
    [activityVC setValue:@"My Video" forKey:@"subject"];

    [activityVC setCompletionHandler:^(NSString *activityType, BOOL completed) {
        //NSLog(@"completed dialog - activity: %@ - finished flag: %d", activityType, completed);
    }];

    [self presentViewController:activityVC animated:TRUE completion:nil];
}