ios - 安装 cloud_firestore 包后，在 Flutter 中的 iOS 模拟器上运行应用程序时出现错误

Question

在安装 cloud_firestore 软件包后在 iOS 模拟器上运行时，我什至尝试过 pod update Firebase/Firestore 仍然出现以下错误。

即使我多次尝试删除 Podfile.lock，然后 flutter clean 然后 flutter run。

注意:

1. Flutter版本:Flutter 2.0.2

2. Dart 2.12.1

   构建 iOS 应用程序失败Xcode 构建的错误输出:↳** 构建失败 **

   Xcode's output:
   ↳
       In file included from /Users/gwl/firebase_demo/ios/Pods/abseil/absl/base/internal/thread_identity.cc:26:
       In file included from /Users/gwl/firebase_demo/ios/Pods/abseil/absl/base/call_once.h:34:
       /Users/gwl/firebase_demo/ios/Pods/abseil/absl/base/internal/invoke.h:42:10: fatal error: 'absl/meta/type_traits.h' file not found
       #include "absl/meta/type_traits.h"
                ^~~~~~~~~~~~~~~~~~~~~~~~~
       /Users/gwl/firebase_demo/ios/Pods/abseil/absl/base/internal/invoke.h:42:10: note: did not find header 'meta/type_traits.h' in framework 'absl' (loaded from
       '/Users/gwl/firebase_demo/build/ios/Debug-iphonesimulator/abseil')
       1 error generated.
       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.
   

Answer 1

需要删除podfile.lock

然后你需要从 XCode 运行 iOS 文件夹来加载项目的资源

进入ios文件夹并执行pod install，如果不存在则执行pod init，然后执行pod install

请尝试 Xcode -> 产品 -> 运行