参见英文答案 > App crashes on enabling Camera Access from Settings iOS 8 2个 我需要提示用户通过UIAlertController更改我的应用程序的相机权限.警报具有以下操作: alert.addAction(UIAlertAction(title: "Open Se
1.非常方便的MY对像。 My对象的第一层成员如下: My.Application Object:Accessing application information and services. My.Computer Object:Accessing the host computer and its resources, services, and data. My.Forms Obj