我正面临着以下错误。 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
如果有任何朋友在善意帮助之前遇到过这个问题。