Iolite | Android app for TJHSST Intranet

I leave the code here below to know what is happening, what is the error, I am trying to get an animation there, I am following a tutorial in java but I am doing it in kotlin there they have what matters for the class, and the error is in the animationUtilitis part, I don't know if it is the correct way to do it in kotlin:

I've been using doobie (cats) to connect to a postgresql database from a scalatra application. Recently I noticed that the app was creating a new connection pool for every transaction. I eventually worked around it - see below, but this approach is quite different from that taken in the 'managing connections' section of the book of doobie, I was hoping someone could confirm whether it is sensible or whether there is a better way of setting up the connection pool.

Here's what I had initially - this works but creates a new connection pool on every connection:

I'm working on a project with Scala and doobie. I'm trying to implement a transactor trait that may be injected by MacWire and used with different Task/Future monads (e.g. for tests).