Question

我在x代码5中使用z bar SDK，当我归档其获取以下错误时

Undefined symbols for architecture armv7:
  "_CMSampleBufferGetImageBuffer", referenced from:
      -[ZBarCaptureReader captureOutput:didOutputSampleBuffer:fromConnection:] in libzbar.a(ZBarCaptureReader.o)
  "_CMSampleBufferIsValid", referenced from:
      -[ZBarCaptureReader captureOutput:didOutputSampleBuffer:fromConnection:] in libzbar.a(ZBarCaptureReader.o)
  "_CMSampleBufferDataIsReady", referenced from:
      -[ZBarCaptureReader captureOutput:didOutputSampleBuffer:fromConnection:] in libzbar.a(ZBarCaptureReader.o)
  "_CMSampleBufferGetNumSamples", referenced from:
      -[ZBarCaptureReader captureOutput:didOutputSampleBuffer:fromConnection:] in libzbar.a(ZBarCaptureReader.o)
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Answer 1

似乎你错过了其中一个框架 - Core Media。

检查ZBar sdk的以下集成链接。
http://zbar.sourceforge.net/iphone/sdkdoc/install.html#integration

Answer 2

删除 armv7s arm64架构仅使用 armv7 并解决您的问题。

项目 - ＆gt;构建设置 - ＆gt;架构 - ＆gt;删除armv7s arm64

Answer 3

导入标头并且不链接正确的库将导致该错误。检查您是否导入了正确的库。可以在这里找到更完整的答案

Undefined symbols for architecture armv7

zbar sdk查看Xcode 5中的第三方库错误

3 个答案: