【发布时间】：2020-09-10 14:32:22
【问题描述】：
我不知道为什么第二次发生这种情况...... 此代码来自 Xcode。
我已经尝试卸载和安装 Xcode。
这里有一个我的 pubspec.yaml 的屏幕截图可能会有所帮助。 [在此处输入图片说明][1]
Failed to build iOS app
Error output from Xcode build:
↳
** BUILD FAILED **
Xcode's output:
↳
/Users/fabionevez/Applications/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_auth-0.11.1+12/ios/Classes/FirebaseAuthPlugin.m:356:62: warning: implicit conversion loses integer precision: 'long' to 'int' [-Wshorten-64-to-32]
userData[@"lastSignInTimestamp"] = [NSNumber numberWithInt:lastSignInDate];
~ ^~~~~~~~~~~~~~
1 warning generated.
/Users/fabionevez/Applications/flutter/.pub-cache/hosted/pub.dartlang.org/cloud_firestore-0.12.11/ios/Classes/CloudFirestorePlugin.m:764:16: warning: 'timestampsInSnapshotsEnabled' is deprecated [-Wdeprecated-declarations]
settings.timestampsInSnapshotsEnabled = (bool)call.arguments[@"timestampsInSnapshotsEnabled"];
^
In file included from /Users/fabionevez/Applications/flutter/.pub-cache/hosted/pub.dartlang.org/cloud_firestore-0.12.11/ios/Classes/CloudFirestorePlugin.m:8:
In file included from /Users/fabionevez/Desktop/app/loja_roupa/ios/Pods/Headers/Private/Firebase/Firebase.h:49:
In file included from /Users/fabionevez/Desktop/app/loja_roupa/ios/Pods/Headers/Private/FirebaseFirestore/FirebaseFirestore.h:25:
/Users/fabionevez/Desktop/app/loja_roupa/ios/Pods/Headers/Private/FirebaseFirestore/FIRFirestoreSettings.h:69:20: note: 'timestampsInSnapshotsEnabled' has been explicitly marked deprecated here
__attribute__((deprecated));
^
1 warning generated.
duplicate symbol '_GDTCCTNeedsNetworkConnectionInfo' in:
/Users/fabionevez/Desktop/app/loja_roupa/build/ios/Debug-iphonesimulator/GoogleDataTransportCCTSupport/libGoogleDataTransportCCTSupport.a(GDTCOREvent+NetworkConnectionInfo 2.o)
duplicate symbol '_OBJC_IVAR_$_FBLPromise._observers' in:
/Users/fabionevez/Desktop/app/loja_roupa/build/ios/Debug-iphonesimulator/PromisesObjC/libPromisesObjC.a(FBLPromise 2.o)
/Users/fabionevez/Desktop/app/loja_roupa/build/ios/Debug-iphonesimulator/PromisesObjC/libPromisesObjC.a(FBLPromise.o)
duplicate symbol '_OBJC_IVAR_$_FBLPromise._error' in:
/Users/fabionevez/Desktop/app/loja_roupa/build/ios/Debug-iphonesimulator/PromisesObjC/libPromisesObjC.a(FBLPromise 2.o)
/Users/fabionevez/Desktop/app/loja_roupa/build/ios/Debug-iphonesimulator/FirebaseFirestore/libFirebaseFirestore.a(FIRTransaction.o)
duplicate symbol '_OBJC_IVAR_$_FIRTransaction._firestore' in:
/Users/fabionevez/Desktop/app/loja_roupa/build/ios/Debug-iphonesimulator/FirebaseFirestore/libFirebaseFirestore.a(FIRTransaction 2.o)
/Users/fabionevez/Desktop/app/loja_roupa/build/ios/Debug-iphonesimulator/FirebaseFirestore/libFirebaseFirestore.a(FIRTransaction.o)
duplicate symbol '_OBJC_IVAR_$_FIRWriteBatch._dataConverter' in:
/Users/fabionevez/Desktop/app/loja_roupa/build/ios/Debug-iphonesimulator/FirebaseFirestore/libFirebaseFirestore.a(FIRWriteBatch 2.o)
ld: 44 duplicate symbols for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
note: Using new build system
note: Building targets in parallel
note: Planning build
note: Constructing build description
Could not build the application for the simulator.
Error launching application on iPhone 11 Pro Max.
´´´
[1]: https://i.stack.imgur.com/Kx1dg.png
【问题讨论】：
标签： ios xcode firebase android-studio flutter