ios添加麦克风访问权限

不然程序崩溃：

This app has crashed because it attempted to access privacy-sensitive data without a usage description.  The app‘s Info.plist must contain an NSMicrophoneUsageDescription key with a string value explaining to the user how the app uses this data.

http://www.jianshu.com/p/c212cde86877 

ios添加麦克风访问权限

原文：http://www.cnblogs.com/mlj318/p/6430907.html