Magic Fingers App (iOS 6.1, Xcode 4.6)

Created by Brian Coyner

App Details

The app tracks multiple touches. A CAReplicatorLayer spins a star image around each touch. The "options" popover allows the user to manipulate the CAReplicatorLayer while your fingers are down.

Highlights

• Multi-touch tracking
• Core Animation (CAReplicatorLayer and CABasicAnimation) to spin a star image around each touch
• Key Value Coding (KVC) and Key Value Observing (KVO)
• UITableViewController with custom cells that control the BTSMagicOptions object.