Cocoapods常见问题总结及解决方法

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Cocoapods对 Swift 的支持不是很好，每次 Xcode 或 Cocoapods 版本更新，总有一些意外发生，这里总结下这一年半以来遇到的各种错误及其解决办法，省的下次遇到又要Google一遍。

安装淘宝 Ruby源的问题 Error fetching http://ruby.taobao.org/

由于墙的原因，安装 Cocoapods 时有可能执行完install命令半天都没反应，这时就需要将 Ruby 的默认源 https://rubygems.org/ 替换成淘宝的源，但会遇到以下错误：

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$ gem sources -a http://ruby.taobao.org/
$ Error fetching http://ruby.taobao.org/:
  bad response Not Found 404 (http://ruby.taobao.org/specs.4.8.gz)

这是因为，淘宝把源从 http 换成 https 了，而网上大多数教程是旧的，没有更新，正确的是：

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$ gem sources -a https://ruby.taobao.org/

Pod Error in Xcode “Id: framework not found Pods”

执行完 pod install 后，打开 workspace 文件，编译，遇到以下错误：

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Id: framework not found Pods clang: error: linker command failed with exit code 1 (use -v to see invocation)

stackoverflow解决方法的：http://stackoverflow.com/questions/31139534/pod-error-in-xcode-id-framework-not-found-pods

步骤如下：

  • 打开 workspace
  • 点击 Xcode 左边的蓝色项目图标
  • 在右边选择对应的 Target
  • 单击 Genral 的 tab
  • 找到 Linked Frameworks and Libraries 的分组
  • 删除 Pods frameworks（或 删除Embedded Binaries下的Pod.framework）
  • 关闭 Xcode，运行 pod update，
  • Clean，然后重新 Run/Build

提交App到Itunes Connect时报错 ERROR ITMS-90635

提交 App 到 ITunes Connect 审核时报以下错误：

ERROR ITMS-90635: "Invalid Mach-O Format. The Mach-O in bundle "XXXX!.app/Frameworks/BRYXBanner.framework" isn’t consistent with the Mach-O in the main bundle. The main bundle Mach-O contains armv7(machine code) and arm64(machine code), while the nested bundle Mach-O contains armv7(bitcode) and arm64(bitcode). Verify that all of the targets for a platform have a consistent value for the ENABLE_BITCODE build setting." 
WARNING ITMS-90080: "The executable 'Payload/XXXX!.app/Frameworks/Bolts.framework' is not a Position Independent Executable. Please ensure that your build settings are configured to create PIE executables. For more information refer to Technical Q&A QA1788 - Building a Position Independent Executable in the iOS Developer Library."

stackoverflow 解决方法：http://stackoverflow.com/questions/37634627/upload-to-itunesconnect-failing

这是因为 Xcode 7 (或以上）默认支持 bitcode，而你的项目关闭了bitcode（即在 【Build Settings】 中设置了 【Enable Bitcode】为 NO），需要在 Podfile中进行额外配置：

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

升级Xcode8后报错“target overrides the EMBEDDED_CONTENT_CONTAINS_SWIFTbuild setting”

升级 Xcode 8后，运行 Pod install， 报以下错误：

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[!] The X target overrides the `EMBEDDED_CONTENT_CONTAINS_SWIFT` build setting defined in `X’. This can lead to problems with the CocoaPods installation
- Use the `$(inherited)` flag, or
- Remove the build settings from the target.
[!] The `X` target overrides the `ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES` build setting defined in `X'. This can lead to problems with the CocoaPods installation
- Use the `$(inherited)` flag, or
- Remove the build settings from the target.

stackoverflow 解决方法：http://stackoverflow.com/questions/39569743/errors-after-updating-to-xcode-8-no-such-module-and-target-overrides-the-em

步骤如下：

  • 找到 【Project/Targets】–>【Project Name】–>【Build Settings】
  • 搜索 “ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES”
  • 右键 “debug”，选择 “other”，输入 $(inherited)
  • “release” 也做同样的操作，然后重新 “pod install”

如下图：

指定编译版本

指定Target的 Swift 编译版本为 3.0

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post_install do |installer|
    installer.pods_project.targets.each do |target|
        target.build_configurations.each do |configuration|
            configuration.build_settings['SWIFT_VERSION'] = "3.0"
        end
    end
end

但如果是 Objective-C 跟 Swift 混编的项目, 想要引入 OC 的第三方库的话, 还需要添加另一项参数

configuration.build_settings['ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES'] = 'NO'

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