This should be an app that is full of random pieces of android code with no real purpose other than to be my sandbox while I learn a bit...
- https://developer.android.com/training/basics/firstapp/creating-project
- https://codelabs.developers.google.com/codelabs/build-your-first-android-app/index.html?index=..%2F..%2Findex#0
- https://codelabs.developers.google.com/codelabs/fire-place/index.html?index=..%2F..%2Findex#4
- good until about step 5 then it is outdated. permissions are difficult...