UIActivityViewController在iOS7中显示透明

Question

我UIActivityViewController点击一个按钮后显示一个.而且,在iOS7的任何设备中,它activityViewController都显得透明.

该项目具有部署目标7.0

这是打开的代码 UIActivityViewController

UIActivityViewController *activityViewController = [[UIActivityViewController alloc] initWithActivityItems:@[@"link"] applicationActivities:nil];

if (floor(NSFoundationVersionNumber) > NSFoundationVersionNumber_iOS_7_1) {
    activityViewController.popoverPresentationController.sourceView =     self.buttonShare;
}
[activityViewController setValue:@"Subject" forKey:@"subject"];
activityViewController.view.tintColor = [UIColor blueColor];
[self.navigationController presentViewController:activityViewController animated:YES completion:^{ }];

有关正在发生的事情的任何线索？

Answer 1

不要使用view的UIActivityViewController(activityViewController.view演示文稿之前).