I actually started off with quite a similar use case in mind: when I moved into a new apartment a couple of month ago, I wanted to know how many hours of sun th

I actually started off with quite a similar use case in mind: when I moved into a new apartment a couple of month ago, I wanted to know how many hours of sun the plants on the balcony will be getting and when I could expect direct sunshine onto the balcony in the morning. And because I wanted to try my hands at Android programming for a long time, this was a good opportunity for such a project.