小编mik*_*ezs的帖子

我花了3天时间来搜索解决方案.我不知道该怎么做...我需要SDWebImage库的-ObjC标志(我认为也是AFNetworking).我可以删除它,ShareKit一切都很好,但SDwebImage不行.

Undefined symbols for architecture i386:
  "_ABAddressBookCopyArrayOfAllPeople", referenced from:
      ___48+[GPPAddressBook loadDeviceContactsWithHandler:]_block_invoke in GooglePlus(GPPAddressBook.o)
  "_ABAddressBookCreateWithOptions", referenced from:
      +[GPPAddressBook loadDeviceContactsWithHandler:] in GooglePlus(GPPAddressBook.o)
  "_ABAddressBookGetPersonCount", referenced from:
      ___48+[GPPAddressBook loadDeviceContactsWithHandler:]_block_invoke in GooglePlus(GPPAddressBook.o)
  "_ABAddressBookRequestAccessWithCompletion", referenced from:
      +[GPPAddressBook loadDeviceContactsWithHandler:] in GooglePlus(GPPAddressBook.o)
  "_ABMultiValueCopyValueAtIndex", referenced from:
      ___48+[GPPAddressBook loadDeviceContactsWithHandler:]_block_invoke in GooglePlus(GPPAddressBook.o)
  "_ABMultiValueGetCount", referenced from:
      ___48+[GPPAddressBook loadDeviceContactsWithHandler:]_block_invoke in GooglePlus(GPPAddressBook.o)
  "_ABPersonCopyImageDataWithFormat", referenced from:
      ___48+[GPPAddressBook loadDeviceContactsWithHandler:]_block_invoke in GooglePlus(GPPAddressBook.o)
  "_ABPersonHasImageData", referenced from:
      ___48+[GPPAddressBook loadDeviceContactsWithHandler:]_block_invoke in GooglePlus(GPPAddressBook.o)
  "_ABRecordCopyValue", referenced from:
      ___48+[GPPAddressBook loadDeviceContactsWithHandler:]_block_invoke in GooglePlus(GPPAddressBook.o)
  "_ACAccountTypeIdentifierFacebook", referenced from:
      -[SHKiOSFacebook accountTypeIdentifier] in libShareKit.a(SHKiOSFacebook.o)
  "_ACAccountTypeIdentifierSinaWeibo", referenced from:
      -[SHKSinaWeibo …

我有一个UILabel，我想淡化字符串的末尾，这将超出范围。对此有什么更好的解决方案？我应该计算标签的宽度，将其与字符串宽度进行比较，如果字符串宽度大于标签的宽度，我应该淡出最后两个字母吗？我到底应该怎么做？我希望这会很容易。请写出你的解决方案。谢谢！我更喜欢使用这种方法来计算宽度：

CGRect labelRect = [text
                    boundingRectWithSize:labelSize
                    options:NSStringDrawingUsesLineFragmentOrigin
                    attributes:@{
                     NSFontAttributeName : [UIFont systemFontOfSize:14]
                    }
                    context:nil];