[看来,我在iOS 8中只有这个错误。我试图与UIActivityViewController
共享图像和一些文本给我自己进行测试。有时,共享图像会在应该是共享图像的位置上产生一个问号,而在iMessage线程中点击它并不会执行任何操作,因为它是空白还是已损坏。如果我返回我的应用程序并尝试再次共享,有时图像确实会完美共享并且不是空白。
我正在使用的代码(在iOS 7中完美运行):
UIActivityViewController *activityVC = [[UIActivityViewController alloc]initWithActivityItems:@[[NSString stringWithFormat:@"Sent from http://appstore.com/appname"],[UIImage imageNamed:@"SomeImage"]]applicationActivities:nil];
activityVC.excludedActivityTypes = @[UIActivityTypeAssignToContact, UIActivityTypePrint, UIActivityTypeCopyToPasteboard, UIActivityTypeSaveToCameraRoll, UIActivityTypeAddToReadingList, UIActivityTypePostToVimeo, UIActivityTypeAirDrop];
[self presentViewController:activityVC animated:YES completion:NULL];
我试图弄清楚为什么有时会发生这种情况,以及如何解决它。我将不胜感激。随附问题/错误的屏幕截图:
<< img src =“ https://image.soinside.com/eyJ1cmwiOiAiaHR0cHM6Ly9pLnN0YWNrLmltZ3VyLmNvbS9MdEpOeC5wbmcifQ==” alt =“在此处输入图像描述”>
这里是共享视频文件的解决方法。也许您可以尝试同样的图像。
我有视频数据,我首先将其保存到文档目录中的文件中,然后附加了该文件。
//write to a file
[videoData writeToFile:[NSHomeDirectory() stringByAppendingPathComponent:@"Documents/image.mov"] atomically:YES];
(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];
}
我知道这是一个古老的威胁,但是最近我遇到了同样的情况。首先,将要共享的文件保存到临时文件。目录,然后使用url.absoluteUrl
共享网址。进行absoluteUrl似乎非常重要。