In my current view controller i m uploading the content to server and i want to show the user that the upload was successful and then take him to the root view controller to perform another action. Is there a way i can do it.In my current view controller i m uploading the
阅读背景：
如何显示透明视图以在当前视图上显示“上载成功”消息，然后返回到根视图控制器
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