hi i have not builth an app in ages and am familiar with java but i just installed android studio on debian 11 but no code i know work and apparently i have to learn a new language kotlin this is just a small remote app to interact with a server in my home is there anyway to use java now or do i have to spend hours learning kotlin. thanks
Yes, you can still program Android in Java. Although older Android code examples may be obsolete. I just upgraded an app of my own and it's still in Java.
However, you might be interested to know that Android Studio can automatically convert Java files to Kotlin. So you can learn Kotlin by seeing how your Java code translates.
It's worth learning Kotlin because Java can't do certain Android things as well as it might and Kotlin is being actively developed specifically to be more capable in Android. But at the moment Java is just fine.
Sometimes the only way things ever got fixed is because people became uncomfortable.