This video tutorial covers the creation of lock screen widgets for iOS 16 and watchOS, focusing on their features and types. It explains the different widget families available, such as accessoryCircular and accessoryRectangle, and guides viewers through building a step counter widget using Core Motion's CM pedometer class. The tutorial emphasizes the need for an Apple developer account and a registered device to follow along with the code. The video concludes with a transition to the next tutorial on building a pedometer app.

What prerequisites are needed to follow along with the development of the lock screen widget?

What will be built in the next video after discussing the lock screen widget?