the conference for 
Doug Sjoquist
Doug Sjoquist started college in the late 70s having never seen a computer in person. Within a few weeks he wrote his first program on a time-share system, and then there was no turning back. He wrote his first custom software professionally a year later on a TRS-80, and ended up working in the college computer center and consulting on the side for many years. In the mid-90?s he left to do R&D projects for the US Air Force and DARPA, and eventually enterprise-y stuff in the private sector. He watched the iPhone SDK introduction with longing, and dove into iOS development in 2009. He has developed or worked on several apps for clients that are in the AppStore, has written several custom iOS components for use by other clients, and is active in the iOS development community. He is on a software craftsman's journey, honing his skills on each new project, mentoring others when he can. He still finds joy in seeking out and discovering new things, and enjoys sharing them with others. You can catch up with him on twitter @dwsjoquist or his blog http://www.sunetos.com.
CocoaConf Columbus 2012 Presentations:
Developing a Drag & Drop App Using Standard UIKit Components
Every release of iOS brings more power and ease of use to us as developers, so that we can concentrate more on building the app we want than on writing custom frameworks to do what we need. The current UIKit framework is a deep and rich source for our app building needs with even more goodness on the way in the near future! During this session we will develop a drag and drop app using standard UIKit components and UIGestureRecognizers. Many of the UIKit controls have embedded gesture recognizers, so we will work through some of the gotchas and conflicts that come up in an app of this style. We will build up the app a little at a time to help you follow along the main steps of the development process. The final product of this session will be a simple Sticker style app that you can use as the basis for an app of your own, tear apart for further study, or simply use as a resource for other apps you are developing.
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