If you are looking for downloadable project files - there aren't any. The reason is that Android Studio changes too often to keep the details up to date. What would happen is that any project file would generate messages about being out of date almost as soon as it was published. Instead here are source code listing that you can copy and paste into a new project. This is a much better way of trying out code in Android Studio. 

So start a new project and paste the code into the appropriate file.

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