ParseUI iOS 和 CocoaPods 的链接器错误

Question

我正在尝试使用 Parse 构建一个应用程序，并想尝试一下 ParseUI。我使用 Cocoa pod 导入了 Parse 的主 SDK，它运行良好。当我决定添加 ParseUI 时，我遇到了问题。

Undefined symbols for architecture i386:
  "_OBJC_CLASS_$_BFTaskCompletionSource", referenced from:
      objc-class-ref in PFImageView.o
  "_OBJC_CLASS_$_PFProduct", referenced from:
      objc-class-ref in PFProductTableViewController.o
     (maybe you meant: _OBJC_CLASS_$_PFProductTableViewController)
  "_OBJC_CLASS_$_PFPurchase", referenced from:
      objc-class-ref in PFProductTableViewController.o
     (maybe you meant: _OBJC_CLASS_$_PFPurchaseTableViewCell)
  "_OBJC_CLASS_$_PFQuery", referenced from:
      objc-class-ref in PFQueryTableViewController.o
     (maybe you meant: _OBJC_CLASS_$_PFQueryTableViewController)
  "_OBJC_CLASS_$_PFTwitterUtils", referenced from:
      objc-class-ref in PFLogInViewController.o
  "_OBJC_CLASS_$_PFUser", referenced from:
      objc-class-ref in PFLogInViewController.o
      objc-class-ref in PFSignUpViewController.o
  "_PFParseErrorDomain", referenced from:
      -[PFImageView loadInBackground:] in PFImageView.o
      ___32-[PFImageView loadInBackground:]_block_invoke30 in PFImageView.o
      -[PFSignUpViewController _signUpAction] in PFSignUpViewController.o
      -[PFSignUpViewController _signUpDidFailWithError:] in PFSignUpViewController.o
      -[PFImageView loadInBackground:] in PFImageView.o
      ___32-[PFImageView loadInBackground:]_block_invoke30 in PFImageView.o
      -[PFSignUpViewController _signUpAction] in PFSignUpViewController.o
      -[PFSignUpViewController _signUpDidFailWithError:] in PFSignUpViewController.o
  "_kPFErrorCacheMiss", referenced from:
      ___48-[PFQueryTableViewController loadObjects:clear:]_block_invoke in PFQueryTableViewController.o
  "_kPFErrorInvalidEmailAddress", referenced from:
      -[PFSignUpViewController _signUpDidFailWithError:] in PFSignUpViewController.o
  "_kPFErrorInvalidImageData", referenced from:
      ___32-[PFImageView loadInBackground:]_block_invoke30 in PFImageView.o
  "_kPFErrorUnsavedFile", referenced from:
      -[PFImageView loadInBackground:] in PFImageView.o
  "_kPFErrorUserEmailMissing", referenced from:
      -[PFSignUpViewController _signUpDidFailWithError:] in PFSignUpViewController.o
  "_kPFErrorUserEmailTaken", referenced from:
      -[PFSignUpViewController _signUpDidFailWithError:] in PFSignUpViewController.o
  "_kPFErrorUserPasswordMissing", referenced from:
      -[PFSignUpViewController _signUpDidFailWithError:] in PFSignUpViewController.o
  "_kPFErrorUsernameMissing", referenced from:
      -[PFSignUpViewController _signUpDidFailWithError:] in PFSignUpViewController.o
  "_kPFErrorUsernameTaken", referenced from:
      -[PFSignUpViewController _signUpDidFailWithError:] in PFSignUpViewController.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)

我尝试过强制包含 Parse.framework 以链接 ParseUI，但它似乎没有帮助。我不是 cocoapods 或 XCode 方面的专家，所以我不知道我是否缺少明显的东西。

我试过 cocoapods 0.35 和 0.36-beta-1。这是一个快速的项目，所以我不知道这是否会导致一些问题。

Answer 1

您需要使用框架 Bolts.frameworks。该框架是 Parse SDK 的一部分。另一件事是，使用最新版本的 Parse SDK（现在为 v1.6.2），您必须导入 Parse/Parse.h、ParseUI/ParseUI.h 或两者，具体取决于您使用的对象。 如果您需要有关安装 de Bolts 框架的更多信息，请告诉我！ :)