CocoaPods is a way to manage library dependencies in Xcode Project.

Installation of  CocoaPods.

CocoaPods runs on Ruby and that's only dependency it has. All recent version of Mac OS X(Since OS X 10.7) ship with Ruby already installed. So only need to update RubyGems.

To Update RubyGems open Terminal and type following command:

sudo gem update --system                                                                

Enter password when requested.
This update may take little while, so give few times to complete.

Next, install CocoaPods using following command:

sudo gem install cocoapods                                                                

if get below prompt during installation process:
 rake's execute "rake" conflicts with /user/bin/rake
Overwrite the executable? [y/n]
just enter y to continue.

Now, type the command to complete the process of CocoaPods installation:
pod setup                                                                                               


Done, now we are ready to use CocoaPods.

 Installation of dependency within the Project using CocoaPods
use Terminal and navigate to Project directory

cd ~/.. /.. /Project Name

Now,  type following command to create Podfile for Project.
pod init

Type command to open Podfile
open -a Xcode Podfile

Default Podfile should look like this

command for add dependencies:
add 'LibraryName', 'Version'

For ex. going to download AFNetworking
pod 'AFNetworking', '2.2.1'(add just below target 'ProjectNmae' do line)
This tell CocoaPods that you want to install AFNetworking version 2.2.1.

Save and close Podfile.

Now, go to Terminal and type following command for download dependency.
pod install                                                                                         

After completion of download you can see a message

From now on use 'ProjectName.xcworkspace'. 

Go to Project directory and open "ProjectName.xcworkspace".



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