摘要： Undefined symbols for architecture armv7: "_CVPixelBufferGetHeight", referenced from: -[ZBarCVImage convertCVtoRGB] in libzbar.a(ZBarCVImage.o) "_CVPixelBufferRetain", referenced from: -[ZBarCVImage setPixelBuffer:] in libzbar.a(ZBarCVImage.o) "_CVPixelBufferRelease", r 阅读全文