At the end of each project, you'll find a few questions to help you remember and review the content covered in the chapter. Please try to answer the following questions and, when in doubt, have a look at the content in the chapter itself: you'll find all the answers there!

1. Which child widget can you use inside a Stack to decide exactly its position relative to the borders of the Stack?
2. What's the difference between the initState and build methods?
3. How can you set the duration of an animation?
4. How can you use a Mixin class in your own classes?
5. What is a Ticker?
6. What's the difference between an Animation and an AnimationController?
7. How do you stop a running animation? And how do you free its resources?
8. How can you generate a random number between 0 and 10?
9. If you wanted to respond to a tap of the user over one of your widgets, for example, a container, which widget could you use?
10. How do you show an AlertDialog in an app?