Go into the TODOs pane, making sure that Project TODOs are showing and double click on Step 1. You should be taken to the first TODO in main.dart.
//TODO: Step 1 - Add background.png to this Container as a background image.
Using the Flutter docs and this StackOverflow post, figure out how to make the background filled by the background.png image.
NOTE: The pubspec.yaml has already been edited to add the images folder to the project as an asset source.
When you run the app, the end result should look like this:
If you really can't figure out how to complete the challenge, in every step, there is a link to the solution on GitHub. When you click on the link, you can see the solution on the right hand side. The + in front of the lines of code means that a new line of code was added compared to the last step.