flutter 使用OC创建的工程报错。

在引入的target'Runner'do下面  

添加一个这样一行

   use_frameworks! 

然后 pod install  这样就可以了。 



  "protocol conformance descriptor for Swift.AutoreleasingUnsafeMutablePointer : Swift._Pointer in Swift", referenced from:

      lazy protocol witness table accessor for type Swift.AutoreleasingUnsafeMutablePointer<__C.NSError?> and conformance Swift.AutoreleasingUnsafeMutablePointer : Swift._Pointer in Swift in libPhoneNumberKit.a(PhoneNumberParser.o)

  "type metadata accessor for Swift.ClosedRange", referenced from:

      type metadata accessor for Swift.ClosedRange in libPhoneNumberKit.a(PhoneNumberParser.o)

  "protocol conformance descriptor for Swift.UInt64 : Swift.UnsignedInteger in Swift", referenced from:

      lazy protocol witness table accessor for type Swift.UInt64 and conformance Swift.UInt64 : Swift.UnsignedInteger in Swift in libPhoneNumberKit.a(PhoneNumberParser.o)

  "(extension in Foundation):Swift.String.init(format: __shared Swift.String, _: Swift.CVarArg...) -> Swift.String", referenced from:

      PhoneNumberKit.PhoneNumberParser.stripNationalPrefix(_: inout Swift.String, metadata: PhoneNumberKit.MetadataTerritory) -> () in libPhoneNumberKit.a(PhoneNumberParser.o)

  "Swift.ClosedRange.init(uncheckedBounds: (lower: A, upper: A)) -> Swift.ClosedRange", referenced from:

      PhoneNumberKit.PhoneNumberParser.extractPotentialCountryCode(_: Swift.String, nationalNumber: inout Swift.String) -> Swift.UInt64? in libPhoneNumberKit.a(PhoneNumberParser.o)

  "(extension in Swift):Swift.UnsignedInteger< where A: Swift.FixedWidthInteger>.init(A1) -> A", referenced from:

      PhoneNumberKit.PhoneNumberParser.extractCountryCode(_: Swift.String, nationalNumber: inout Swift.String, metadata: PhoneNumberKit.MetadataTerritory) throws -> Swift.UInt64 in libPhoneNumberKit.a(PhoneNumberParser.o)

  "Swift.assertionFailure(_: @autoclosure () -> Swift.String, file: Swift.StaticString, line: Swift.UInt) -> ()", referenced from:

      PhoneNumberKit.PhoneNumber.init(rawNumber: Swift.String) throws -> PhoneNumberKit.PhoneNumber in libPhoneNumberKit.a(PhoneNumber.o)

  "type metadata accessor for Swift.KeyedEncodingContainer", referenced from:

      type metadata accessor for Swift.KeyedEncodingContainer in libPhoneNumberKit.a(PhoneNumber.o)

  "dispatch thunk of Swift.Encoder.container(keyedBy: A1.Type) -> Swift.KeyedEncodingContainer", referenced from:

      PhoneNumberKit.PhoneNumber.encode(to: Swift.Encoder) throws -> () in libPhoneNumberKit.a(PhoneNumber.o)

  "Swift.KeyedEncodingContainer.encode(_: Swift.String, forKey: A) throws -> ()", referenced from:

      PhoneNumberKit.PhoneNumber.encode(to: Swift.Encoder) throws -> () in libPhoneNumberKit.a(PhoneNumber.o)

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