【发布时间】：2020-03-01 10:54:00
【问题描述】：
升级后，我使用 Vcode 的旧 Flutter 项目无法再构建，并出现大量错误，如下所示。我试过了：
- 正在删除 Podfile.lock
- pod 缓存清理 --all
- rm -rf ~/Library/Caches/CocoaPods
- rm -rf ~/Library/Developer/Xcode/DerivedData/*
- rm -rf Pods
- 吊舱解体
- 吊舱设置
- pod 安装
颤振医生-v
[✓] Flutter (Channel stable, v1.9.1+hotfix.6, on Mac OS X 10.15.1 19B88, locale en-SG) • Flutter 版本 1.9.1+hotfix.6，位于 /Users/peterlum/dev/flutter • 框架修订68587a0916（7周前），2019-09-13 19:46:58 -0700 • 引擎修订版 b863200c37 • Dart 版本 2.5.0
[✓] Android 工具链 - 为 Android 设备开发（Android SDK 版本 28.0.3） • Android SDK 位于 /Applications/AndroidDev/sdk • 未配置 Android NDK 位置（可选；对原生分析支持有用） • 平台 android-28，构建工具 28.0.3 • ANDROID_HOME = /Applications/AndroidDev/sdk • ANDROID_SDK_ROOT = /Applications/AndroidDev/sdk • Java 二进制文件位于：/Applications/Android Studio 3.3.app/Contents/jre/jdk/Contents/Home/bin/java • Java 版 OpenJDK 运行时环境（内部版本 1.8.0_152-release-1248-b01） • 接受所有 Android 许可证。
[✓] Xcode - 为 iOS 和 macOS 开发 (Xcode 11.2) • Xcode 位于 /Applications/Xcode.app/Contents/Developer • Xcode 11.2，内部版本 11B52 • CocoaPods 1.8.4 版
[✓] Android Studio（版本 3.3） • Android Studio 位于 /Applications/Android Studio 3.3.app/Contents • Flutter 插件版本 34.0.1 • Dart 插件版本 182.5215 • Java 版 OpenJDK 运行时环境（内部版本 1.8.0_152-release-1248-b01）
[!] Android Studio（2.3 版） • Android Studio 位于 /Applications/Android Studio.app/Contents ✗ Flutter 插件版本 12.1 - 推荐最低版本为 16.0.0 • Dart 插件版本 162.2924 • Java 版 OpenJDK 运行环境（build 1.8.0_112-release-b06）
[✓] VS 代码（版本 1.39.2） • /Applications/Visual Studio Code.app/Contents 中的 VS 代码 • Flutter 扩展版本 3.6.0
[✓] 已连接设备（2 个可用） • LG D855 • LGD855a710c089 • android-arm • Android 5.0 (API 21) • iPhone 6 Plus • 615DAB60-6ACB-4E37-9FAD-8CF869415B60 • ios • com.apple.CoreSimulator.SimRuntime.iOS-12-4（模拟器）
我的播客文件：
# Uncomment this line to define a global platform for your project
platform :ios, '9.0'
# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
ENV['COCOAPODS_DISABLE_STATS'] = 'true'
project 'Runner', {
'Debug' => :debug,
'Profile' => :release,
'Release' => :release,
}
def parse_KV_file(file, separator='=')
file_abs_path = File.expand_path(file)
if !File.exists? file_abs_path
return [];
end
pods_ary = []
skip_line_start_symbols = ["#", "/"]
File.foreach(file_abs_path) { |line|
next if skip_line_start_symbols.any? { |symbol| line =~ /^\s*#{symbol}/ }
plugin = line.split(pattern=separator)
if plugin.length == 2
podname = plugin[0].strip()
path = plugin[1].strip()
podpath = File.expand_path("#{path}", file_abs_path)
pods_ary.push({:name => podname, :path => podpath});
else
puts "Invalid plugin specification: #{line}"
end
}
return pods_ary
end
target 'Runner' do
use_frameworks!
# Prepare symlinks folder. We use symlinks to avoid having Podfile.lock
# referring to absolute paths on developers' machines.
system('rm -rf .symlinks')
system('mkdir -p .symlinks/plugins')
# Flutter Pods
generated_xcode_build_settings = parse_KV_file('./Flutter/Generated.xcconfig')
if generated_xcode_build_settings.empty?
puts "Generated.xcconfig must exist. If you're running pod install manually, make sure flutter pub get is executed first."
end
generated_xcode_build_settings.map { |p|
if p[:name] == 'FLUTTER_FRAMEWORK_DIR'
symlink = File.join('.symlinks', 'flutter')
File.symlink(File.dirname(p[:path]), symlink)
pod 'Flutter', :path => File.join(symlink, File.basename(p[:path]))
end
}
# Plugin Pods
plugin_pods = parse_KV_file('../.flutter-plugins')
plugin_pods.map { |p|
symlink = File.join('.symlinks', 'plugins', p[:name])
File.symlink(p[:path], symlink)
pod p[:name], :path => File.join(symlink, 'ios')
}
end
# Prevent Cocoapods from embedding a second Flutter framework and causing an error with the new Xcode build system.
install! 'cocoapods', :disable_input_output_paths => true
post_install do |installer|
installer.pods_project.targets.each do |target|
target.build_configurations.each do |config|
config.build_settings['ENABLE_BITCODE'] = 'NO'
end
end
end
我的 pubspec.yaml
name: project
description: A new Flutter project.
version: 0.9.0+1
environment:
sdk: ">=2.1.0 <3.0.0"
dependencies:
flutter:
sdk: flutter
flutter_localizations:
sdk: flutter
firebase_auth: "0.14.0+5"
google_sign_in: "4.0.7"
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
cupertino_icons: "0.1.2"
intl: "^0.15.8" # 0.15.7
# Peter add
firebase_core: "0.4.0+9"
cloud_firestore: "0.12.9+5"
firebase_storage: "3.0.6"
firebase_admob: "0.9.0+7"
firebase_analytics: "5.0.2"
image_picker: "0.6.0+8"
path_provider: "0.4.1"
date_format: "1.0.5"
numberpicker: "0.1.7"
qr_mobile_vision: "0.2.2"
firebase_ml_vision: "0.8.0"
qr_flutter: "2.0.0+51"
flutter_native_image:
git: "https://github.com/btastic/flutter_native_image.git"
connectivity: "0.4.2"
firebase_messaging: "5.1.6"
package_info: "0.3.2+1"
share: "0.5.3"
url_launcher: "4.1.0+1"
flutter_walkthrough: ^0.0.1
country_pickers: "1.0.1"
shared_preferences: "0.4.3"
flutter_facebook_login: "2.0.1"
charts_flutter: "0.5.0"
device_info: "0.3.0"
http: "^0.11.3+16"
permission_handler: "3.0.0"
flutter_local_notifications: "0.6.0"
contacts_service: "^0.0.9"
flutter_dialogflow: "0.1.2"
#flutter_lottie: "0.2.0"
dev_dependencies:
build_runner: ^1.0.0
flutter_test:
sdk: flutter
错误示例： 无法构建 iOS 应用 Xcode 构建的错误输出： ↳ ** 构建失败 ** Xcode 的输出： ↳ ios/Pods/Bolts/Bolts/iOS/BFAppLinkReturnToRefererController.m:133:17：警告：块隐式保留“自我”；明确提及“自我”以表明这是预期行为 [-Wimplicit-retain-self] _view.frame = CGRectMake(0.0, 0.0, CGRectGetWidth(_view.bounds), 0.0); ^ 自我-> /Volumes/ios/Pods/Bolts/Bolts/iOS/BFAppLinkReturnToRefererController.m:133:67：警告：块隐式保留“自我”；明确提及“自我”以表明这是预期行为 [-Wimplicit-retain-self] _view.frame = CGRectMake(0.0, 0.0, CGRectGetWidth(_view.bounds), 0.0);
生成了 8 条警告。 /Users/flutter/.pub-cache/hosted/pub.dartlang.org/contacts_service-0.0.9/ios/Classes/ContactsServicePlugin.m:6:4：警告：“SwiftContactsServicePlugin”仅适用于 iOS 9.0 或更高版本 [ -Wunguarded-可用性] [SwiftContactsServicePlugin registerWithRegistrar:registrar];
重复符号“_GMVDetectorTypeProduct”在： /Volumes/ios/Pods/FirebaseMLVision/Frameworks/FirebaseMLVision.framework/FirebaseMLVision(GMVDetector_c7138b42e3a094afed235ab051b2ff6c.o) /Volumes/ios/Pods/GoogleMobileVision/Detector/Frameworks/GoogleMobileVision.framework/GoogleMobileVision(GMVDetector_d8eaeedb32b9d25ce52bdf3b39f2008d.o)
ld：架构 x86_64 的 106 个重复符号 clang：错误：链接器命令失败，退出代码为 1（使用 -v 查看调用）
在这方面持续了 1 周，但没有解决。非常感谢！
【问题讨论】：
-
你能解决这个问题吗？我也遇到了随机错误，只是因为我在 pubspec.yaml 中添加了一个新的依赖项。非常奇怪和令人沮丧！