iOS development Get native phone number

Recently there is a wonderful demand, the user login return mobile phone number matching the same number can be logged in, frighten me the tiger body a shock, after understanding, iOS7 not jailbreak to achieve

"For security reasons, IPhone OS restricts an application (including it preferences and data) to a unique location in the File system. This restriction was part of the security feature known as the application ' s "sandbox." The sandbox is a set of fine-grained controls limiting an application's access to files, preferences, network resources, H Ardware, and so on. " The device ' s phone number is not available within your application ' s container.

Baidu Translation Results:

"For security reasons, the Apple operating system restricts the application (including its preferences and data) to a unique location in the file system. This restriction is part of the security feature known as the "security" of the application, which is a fine-grained set of controls that restricts the application's access to files, preferences, network resources, hardware, and so on. The phone number of the device is not available in the container for your application.

iOS development Get native phone number