To begin, instructor Todd Perkins goes into the possibilities and limitations of widgets, and then walks through the different steps involved in creating a widget. Next, Todd shows how to create a simple widget, explaining how to design a user interface that enables users to adjust the size of the widget. He then explains how to create custom URLs that allow you to open your app from your widget, as well as how to add functionality that allows you to use buttons to open specific screens from a widget.

Topics include:
* Understanding the possibilities and limitations of widgets
* Adding a Today extension
* Adjusting widget size
* Connecting UI elements to code
* Creating an app group for sharing data
* Creating custom app URLs
* Sending and receiving URL parameters
* Parsing URL parameters
* Handling URLs
* Going to a specific screen from a widget