Objective c 架构arm64的未定义符号-谷歌移动广告

我正在尝试添加谷歌移动广告SDK 7.6

但是我犯了很多错误，我解决不了。在这里我有一些错误

    Undefined symbols for architecture arm64:
  "_UITransitionContextFromViewControllerKey", referenced from:
      -[GADViewControllerFullScreenSwipeAnimation animateTransition:] in GoogleMobileAds(GADViewControllerFullScreenSwipeAnimation.o)
      -[GADViewControllerFullScreenSwipeAnimation animationContextForRestoringAnimationToSavedState:] in GoogleMobileAds(GADViewControllerFullScreenSwipeAnimation.o)
  "_UITransitionContextToViewControllerKey", referenced from:
      -[GADViewControllerFullScreenSwipeAnimation animateTransition:] in GoogleMobileAds(GADViewControllerFullScreenSwipeAnimation.o)
      -[GADViewControllerFullScreenSwipeAnimation animationContextForTopToBottomAnimationPresentationWithTransitionContext:] in GoogleMobileAds(GADViewControllerFullScreenSwipeAnimation.o)
      -[GADViewControllerFullScreenSwipeAnimation animationContextForBottomToTopAnimationPresentationWithTransitionContext:] in GoogleMobileAds(GADViewControllerFullScreenSwipeAnimation.o)
  "_OBJC_CLASS_$_UIScrollView", referenced from:
      objc-class-ref in GoogleMobileAds(GADSlot+SwipeToViewController.o)
  "_OBJC_CLASS_$_UIPasteboard", referenced from:
      objc-class-ref in GoogleMobileAds(GADAdView.o)
  "_UIImageWriteToSavedPhotosAlbum", referenced from:
      -[GADMRAIDPicture storeImage:] in GoogleMobileAds(GADMRAIDPicture.o)
  "_CGSizeFromString", referenced from:
      _GADCGSizeFromString in GoogleMobileAds(GADAdSize.o)
  "_CATransform3DMakeRotation", referenced from:
      -[GADAdView(VideoAdditions) rotateVideoToDegrees:] in GoogleMobileAds(GADAdView+VideoAdditions.o)
  "_OBJC_METACLASS_$_UIGestureRecognizer", referenced from:
      _OBJC_METACLASS_$_GADImpressionTicketGestureRecognizer in GoogleMobileAds(GADImpressionTicketGestureRecognizer.o)
      _OBJC_METACLASS_$_GADAdViewTouchGestureRecognizer in GoogleMobileAds(GADAdViewTouchGestureRecognizer.o)
  "_OBJC_CLASS_$_UIGestureRecognizer", referenced from:
      _OBJC_CLASS_$_GADImpressionTicketGestureRecognizer in GoogleMobileAds(GADImpressionTicketGestureRecognizer.o)
      _OBJC_CLASS_$_GADAdViewTouchGestureRecognizer in GoogleMobileAds(GADAdViewTouchGestureRecognizer.o)
  "_UIViewNoIntrinsicMetric", referenced from:
      -[GADBannerView intrinsicContentSize] in GoogleMobileAds(GADBannerView.o)

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谢谢大家!

我找到了解决办法。我不得不使用

@import GoogleMobileAds而不是使用
#导入

这解决了我的问题