Emoji keyboard Components. This component is part of the most popular social network in China, DouDouYou兜兜友 (http://ddy.me), which is available download at http://itunes.apple.com/us/app/dou-dou-you/id379405145?mt=8.
Another open source components:
XYAlertView -Customized alertView / loadingView for replacing UIAlertView. Support display queue, you will never miss any alert/loading view.
How to use
Please refer the demo project.