I was getting java.io.IOException when I enabled proguard and run the project. So, I included this in ‘proguard-rules.pro’ file:
(as per a suggestion in a StackOverflow answer)
I can’t find any other files regarding proguard except ‘proguard.txt’ under build folder. I built and cleaned the project multiple times. Now when I try to build a signed apk, it’s taking forever. In the gradle log, I can see that it’s getting struck at enabling proguard.