Iphone 当我在ios 6中使用音频演示库时，我正在构建一个语音记录器。有人能帮我解决这个问题吗？

我的问题是-

"Undefined symbols for architecture x86_64:
  "_AVAudioSessionCategoryPlayAndRecord", referenced from:
      -[ViewController viewDidLoad] in ViewController-C29511237FC0C9C8.o
      -[ViewController viewDidLoad] in ViewController-932D04AFE18818B5.o
  "_AVAudioSessionCategoryPlayback", referenced from:
      -[AppDelegate application:didFinishLaunchingWithOptions:] in AppDelegate-DFB03E57E4A805B5.o
  "_AVFormatIDKey", referenced from:
      -[ViewController viewDidLoad] in ViewController-C29511237FC0C9C8.o
      -[ViewController viewDidLoad] in ViewController-932D04AFE18818B5.o
  "_AVNumberOfChannelsKey", referenced from:
      -[ViewController viewDidLoad] in ViewController-C29511237FC0C9C8.o
      -[ViewController viewDidLoad] in ViewController-932D04AFE18818B5.o
  "_AVSampleRateKey", referenced from:
      -[ViewController viewDidLoad] in ViewController-C29511237FC0C9C8.o
      -[ViewController viewDidLoad] in ViewController-932D04AFE18818B5.o
  "_OBJC_CLASS_$_AVAudioPlayer", referenced from:
      objc-class-ref in ViewController-C29511237FC0C9C8.o
      objc-class-ref in ViewController-932D04AFE18818B5.o
  "_OBJC_CLASS_$_AVAudioRecorder", referenced from:
      objc-class-ref in ViewController-C29511237FC0C9C8.o
      objc-class-ref in ViewController-932D04AFE18818B5.o
  "_OBJC_CLASS_$_AVAudioSession", referenced from:
      objc-class-ref in ViewController-C29511237FC0C9C8.o
      objc-class-ref in ViewController-932D04AFE18818B5.o
      objc-class-ref in AppDelegate-DFB03E57E4A805B5.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)"

很可能就是你需要的

如果仍然出现错误，请尝试添加

AudioToolbox.framework

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还有。

如果出现此错误，请您进一步说明此问题。这将有助于清楚地回答您的问题检查您的框架是否已尝试？抱歉，朋友们，我编写了ios 6，但实际上我正在使用ios 7。运行应用程序时会出现shadow@错误。viruss mca@您能详细说明哪个框架以及如何连接这些框架吗框架

AudioToolbox.framework