Whoever designed scoped storage on Android deserves to be congratulated, they managed to make it less usable than qubes os. I've had to rename a file to png and put it in dcim to be able to access it because for some reason download and documents folders need a special snowflake way to be accessed.
Also why the fuck does the dev need to declare the permission to access all files like a file explorer and I can't change it unless I get the app from github and recompile it?

Non tech hobbies that helped me with developement:

Lego technic/mecano/knex were a great way to learn about abstraction, you build modules that you can reuse somewhere else.

Cooking is similar, you notice useful patterns that you can reproduce. E.g. roux, which is butter and flour is used for a lot of sauces, then add milk and you get béchamel, which is again used for a lot of sauces.

Coffee brewing helps because I can't focus if I don't get coffee.