cocoa pods的安装与我遇到的问题

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1.打开终端

终端输入  ruby -v  查看ruby的版本

打印代码:

ruby 2.0.0p648 (2015-12-16 revision 53162) [universal.x86_64-darwin15]

 

 

2. 更换ruby镜像

终端输入如下命令(把Ruby镜像指向taobao,避免被墙,你懂得)

a.移除现有 Ruby 默认源输入以下指令

gem sources --remove https://rubygems.org/ 

b.使用新的源输入以下指令 

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

c.验证新源是否替换成功输入以下指令 

gem sources -l  (用来检查使用替换镜像位置成功)

打印代码:

bogon:~ LiuWenqiang$ gem sources --remove https://rubygems.org/source https://rubygems.org/ not present in cachebogon:~ LiuWenqiang$ gem sources -a https://ruby.taobao.org/source https://ruby.taobao.org/ already present in the cachebogon:~ LiuWenqiang$ gem sources -l*** CURRENT SOURCES ***

 

 

3.安装cocoapods

终端   sudo gem install cocoa pods

这就遇到我的第一个问题:

如果你的ruby 版本过低 就会报错:

ERROR:  Error installing cocoa:    activesupport requires Ruby version >= 2.2.2.ERROR:  Error installing pods:    activesupport requires Ruby version >= 2.2.2.

前几天,我就搞到这个地方,尝试了好几种方法更新ruby 但是都没有成功,今天偶然看到一个文章,(有种淡淡的忧伤:http://www.jianshu.com/p/ad98a3364803

)并得到作者的帮助,才得以解决

解决方案:

(1)安装 RVM baby 版本管理器 

\curl -sSL https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer | bash

打印代码:

In case of problems: https://rvm.io/help and https://twitter.com/rvm_io

说明安装成功

(2)

source ~/.bashrc  

source ~/.bash_profile  

rvm -v  

打印代码:

rvm 1.27.0 (latest) by Wayne E. Seguin <wayneeseguin@gmail.com>, Michal Papis <mpapis@gmail.com> [https://rvm.io/]

(3)用RVM升级Ruby查看当前ruby版本

ruby -v 

rvm list known

打印代码:

复制代码
# MRI Rubies[ruby-]1.8.6[-p420][ruby-]1.8.7[-head] # security released on head[ruby-]1.9.1[-p431][ruby-]1.9.2[-p330][ruby-]1.9.3[-p551][ruby-]2.0.0[-p648][ruby-]2.1[.8][ruby-]2.2[.4][ruby-]2.3[.0][ruby-]2.2-headruby-head# for forks use: rvm install ruby-head-<name> --url https://github.com/github/ruby.git --branch 2.2# JRubyjruby-1.6[.8]jruby-1.7[.23]jruby[-9.0.5.0]jruby-head# Rubiniusrbx-1[.4.3]rbx-2.3[.0]rbx-2.4[.1]rbx[-2.5.8]rbx-head
复制代码

(4)安装ruby 2.2.2 版本

rvm install 2.2.2

如果打印:

复制代码
……  ruby-2.2.2 - #validate archive    ruby-2.2.2 - #extract    ruby-2.2.2 - #validate binary    ruby-2.2.2 - #setup    ruby-2.2.2 - #gemset created /Users/abc/.rvm/gems/ruby-2.2.2@global    ruby-2.2.2 - #importing gemset             
/Users/abc/.rvm/gemsets/global.gems.............................. ruby-2.2.2 - #generating global wrappers........ ruby-2.2.2 - #gemset created /Users/abc/.rvm/gems/ruby-2.2.2 ruby-2.2.2 - #importing gemsetfile /Users/abc/.rvm/gemsets/default.gems
  evaluated to empty gem list ruby
-2.2.2 - #generating default wrappers........ Updating certificates in '/etc/openssl/cert.pem'. mkdir: /etc/openssl: Permission denied mkdir -p "/etc/openssl" failed, retrying with sudo LiuWenqiang password required for 'mkdir -p /etc/openssl': and sudo mkdir worked
复制代码

 则说明安装成功了

打印代码:

复制代码
Done with Command Line Tools (OS X 10.11) for XcodeDone.==> /usr/bin/sudo /bin/rm -f /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress==> Installing the Command Line Tools (expect a GUI popup):==> /usr/bin/sudo /usr/bin/xcode-select --installxcode-select: error: command line tools are already installed, use "Software Update" to install updatesFailed during: /usr/bin/sudo /usr/bin/xcode-select --installRequirements installation failed with status: 1.
复制代码

如果安装失败 

 

(5)查看当前ruby 版本

ruby -v

    ruby 2.2.2p95 (2015-04-13 revision 50295) [x86_64-darwin14]

现在ruby版本已经是2.2.2了

第一个问题就解决了

 

 

4.  继续安装 CocoaPods

sudo gem install cocoa pods

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

pod setup

 

5.  更新 gem

sudo gem update --system

 

6 新建一个项目,名字PodTest

 

7.    $ cd  项目路径 (中间有空格,)

    cd /Users/lucky/Desktop/PodTest   

 

8.   建立Podfile(配置文件)

    vim Podfile

键盘输入 i 进入编辑模式,输入

platform :iOS, '7.0' 

pod 'MBProgressHUD', '~> 0.8’ (之前的,我的电脑上已经无效了,报错: [!] The dependency `MBProgressHUD (~> 0.8)` is not used in any concrete target.)

(现在使用:MyApp 替换成自己的项目名)

target 'MyApp' do

pod 'AFNetworking', '~> 2.6'

pod 'ORStackView', '~> 3.0'

end

 

 

 

 

然后按Esc,并且输入“ :”号进入vim命令模式,然后在冒号后边输入wq

 

再输入  pod install

 

注意:现在打开项目不是点击 PodTest.xodeproj了,而是点击 PodTest.xcworkspace

 

为了确定AFNetworking是否支持CocoaPods,可以用CocoaPods的搜索功能验证一下。在终端中输入:

pod search AFNetworking

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