Fjelltoppjakten(the peak hunt) is an app where you collect peaks. The app includes a map of peaks in Norway, and when you are on the top of a mountain you can check-in, collect points and take a picture. In less than 10 months, some users have already visited more than…

Fjelltoppjakten now has over 16 000 users, and a highly requested feature has been to search for users by name. We have a users collection in Firestore with the following data structure: users/$userId { name: String imgUrl: String, location: String } We wanted to implement a search field in the…

I recently found a bug that would cause a crash in all the apps I ever made. In some apps the crash had never happened, even though the bug was there, and in others the crash would happen 1 in every 1 million sessions or so, which made it a…

After trying out more than 40 different languages with varying results, I wanted to share the absolute worst language designs I have seen. Just my opinion though, don’t be mad 😄 I don’t want to judge a language based on what it is missing, rather on what it has, but…

I have been active on various competitive coding sites for over 4 years, and have solved over a thousand different problems, using 40+ different languages. If you attempt that many problems, you will eventually stumble upon a few where you just find the perfect solution. …

If you have started many android projects, you have probably experienced having to re-invent the wheel multiple times. Or perhaps you copy-pasted some code from an old project and spent some time refactoring it to fit your new design. I bet you have made or at least seen an onboarding…

Is it possible to write pure functional android apps? Many argue for flutter, react native, and lately jetpack compose due to their declarative style, but are they really necessary, or can we do the same by utilising the full power of the android ecosystem? I will not go much into…