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1. An Introduction to Watch Connectivity in watchOS 2
2. A watchOS 2 WatchConnectivity Messaging Tutorial
   • About the Project
   • Creating the Project
   • Enabling Audio Background Mode
   • Designing the iOS App User Interface
   • Establishing Outlets and Actions
   • Initializing Audio Playback
   • Implementing the Audio Control Methods
   • Initializing the iOS App Watch Connectivity Session
   • Designing the WatchKit App Scene
   • Initializing the WatchKit App Connectivity Session
   • Sending the Message to the iOS app
   • Handling the Message in the iOS app
   • Testing the Application