Cocoapods 相关问题

升级CocoaPods遇到 ERROR: While executing gem ... (TypeError) no implicit conversion of nil into String

如图:

问题.png

解决方法：先更新 Ruby

sudo gem update --system

Cocoapods 更新新版本的时候出现如下问题：

问题.png

sudo gem install -n /usr/local/bin cocoapods

导入 Cocoapods 中库文件时无联想（输入 #import 后，不会出现 "****.h"）

解决方法：
Xcode --> target --> Build Setting --> search Paths --> User Header Search Paths，然后输入 $(PODS_ROOT)，选择 recursive。

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pod install的时候出现：

The `*** [Prerelease]` target overrides the `GCC_PREPROCESSOR_DEFINITIONS` build setting defined in `Pods/Target Support Files/Pods-HRMSForEmployee/Pods-HRMSForEmployee.prerelease.xcconfig'. This can lead to problems with the CocoaPods installation
    - Use the `$(inherited)` flag, or
    - Remove the build settings from the target.

解决办法：Targets–>Build Settings–>Preprocessor Macros，加上$(inherited)，然后重新pod install就OK了。