最近偶然发现的一个怪现象: 应用需要相机权限,如果检测到没有开启权限,我们代码内,通过openURL跳转设置界面 //打开应用设置 let url:NSURL = NSURL(string: UIApplicationOpenSettingsURLString)! if UIApplication.shared.canOpenURL(url as URL){ UIApplication.shared.openURL(url as URL) } 这样做,的确可以直接跳到设置内-本应用下-权限管理界
3.System Permissions(系统权限) Android is a privilege-separated operating system, in which each application runs with a distinct system identity (Linux user ID and group ID). Parts of the system are also separated into distinct identities. Linux thereb