the code of my android project was destroyed alone, but the source files are intact, I do not understand what's going on

Question

after generate my apk file, my code is become as shown in this picture https://prnt.sc/lbm72c but I checked my source code and it is intact, how can i fix it?

i remove build folder and idea but nothing has changed

I think my problem comes from gradle

Answer 1

Whenever you experience anything weird in Android Studio the first thing to do is Clean project and then Rebuild . If that doesn't work try Invalidate caches and Restart

Answer 2

Maybe something was meseed up into you gradle files. Can you attach the error you get?