Xcode 错误 - 架构 x86_64 的未定义符号? [英] Xcode Error - Undefined symbols for architecture x86_64?

问题描述

我正在运行 Swift 4 和 Xcode 9 测试版.我收到此错误，但不知道如何解决.我什至不知道这是什么意思..

I'm running Swift 4 and Xcode 9 beta. I get this errors and I have no idea how to solve it. I don't even know what does that mean..

Undefined symbols for architecture x86_64:
"__T0So22AVCapturePhotoSettingsC12AVFoundation01_abC16SwiftNativeTypesACWP", referenced from:
      __T014InstagramClone26CustomCameraViewControllerC23cameraBtn_TouchUpInsideyypF in CustomCameraViewController.o
  "__T012AVFoundation39_AVCapturePhotoSettingsSwiftNativeTypesPAAE016availablePreviewc11PixelFormatG0Says6UInt32VGfg", referenced from:
      __T014InstagramClone26CustomCameraViewControllerC23cameraBtn_TouchUpInsideyypF in CustomCameraViewController.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

知道如何解决这个问题吗?

Any idea how to solve this?

推荐答案

就我而言，我调用了 settings = AVCapturePhotoSettings() 并且遇到了那个错误.

On my case, I've called settings = AVCapturePhotoSettings() and I got that error.

最终解决方案是调用不同的初始化程序.即:

Eventually the solution was calling a different initialiser. i.e:

settings = AVCapturePhotoSettings(format: [AVVideoCodecKey : AVVideoCodecType.jpeg])

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