What's involved in updating an Apple Watch app for watchOS 2?

In this Ask A Dev, iOS Architect Conrad Stoll tells all Apple Watch developers what they need to take into consideration with Apple's newest watch OS and how the update will benefit their apps.

Stoll kicks things off by telling us the main difference between watchOS 1 and watchOS 2; where your code is running. This leads to a brief discussion about Apple's new WatchConnectivity framework, followed by an explanation of why watchOS 2 apps are more capable than watchOS 1 apps. Spoiler alert, it has a lot to do with the fact that developers now have access to a variety of watch sensors, including the heart rate monitor. Enjoy! Read more...