架构 x86_64 的未定义符号：“_AVAudioSessionCategoryPlayback”，引用自

Question

我面临以下错误。 最低部署目标是 8.0 我正在使用 Xcode 7.3.1

Undefined symbols for architecture x86_64:
  "_AVAudioSessionCategoryPlayback", referenced from:
      -[AppDelegate loadInitialParameters] in AppDelegate.o
  "_AVAudioSessionInterruptionNotification", referenced from:
      -[AppDelegate loadInitialParameters] in AppDelegate.o
  "_AVAudioSessionInterruptionTypeKey", referenced from:
      -[AppDelegate sessionDidInterrupt:] in AppDelegate.o
  "_AVMetadataID3MetadataKeyGeneralEncapsulatedObject", referenced from:
      -[BiscootAudioPlayer handleTimedMetadata:] in BiscootAudioPlayer.o
  "_AVPlayerItemDidPlayToEndTimeNotification", referenced from:
      -[BiscootAudioPlayer stopPlayer] in BiscootAudioPlayer.o
      -[BiscootAudioPlayer dealloc] in BiscootAudioPlayer.o
      -[BiscootAudioPlayer prepareToPlayAsset:withKeys:] in BiscootAudioPlayer.o
      -[BiscootAudioPlayer updateCurrentTimeForPlayer] in BiscootAudioPlayer.o
  "_CATransform3DConcat", referenced from:
      -[CustomIOS7AlertView close] in CustomIOS7AlertView.o
      ___28-[CustomIOS7AlertView close]_block_invoke in CustomIOS7AlertView.o
      ___52+[MMDrawerVisualState slideAndScaleVisualStateBlock]_block_invoke in MMDrawerVisualState.o
      ___51+[MMDrawerVisualState swingingDoorVisualStateBlock]_block_invoke in MMDrawerVisualState.o
  "_CATransform3DIdentity", referenced from:
      ___73-[MMExampleDrawerVisualStateManager drawerVisualStateBlockForDrawerSide:]_block_invoke in MMExampleDrawerVisualStateManager.o
      ___52+[MMDrawerVisualState slideAndScaleVisualStateBlock]_block_invoke in MMDrawerVisualState.o
      ___51+[MMDrawerVisualState swingingDoorVisualStateBlock]_block_invoke in MMDrawerVisualState.o
      ___66+[MMDrawerVisualState parallaxVisualStateBlockWithParallaxFactor:]_block_invoke in MMDrawerVisualState.o
      -[MMDrawerController applyOvershootScaleTransformForDrawerSide:percentVisible:] in MMDrawerController.o
      -[MMDrawerController resetDrawerVisualStateForDrawerSide:] in MMDrawerController.o
  "_CATransform3DMakeRotation", referenced from:
      -[CustomIOS7AlertView close] in CustomIOS7AlertView.o
      ___40-[SVPullToRefreshView rotateArrow:hide:]_block_invoke in UIScrollView+SVPullToRefresh.o
  "_CATransform3DMakeScale", referenced from:
      ___73-[MMExampleDrawerVisualStateManager drawerVisualStateBlockForDrawerSide:]_block_invoke in 

如果有朋友在帮忙之前遇到过这个问题。

Answer 1

对于 CATransform* 错误，在 Build Phases 下的 Link Binary With Libraries 添加 QuartzCore：

Answer 2

在 Build Settings 的 Valid Architectures 中添加 x86_64 并将 Build Active Architecture Only 标记为 NO