Which framework did sololearn use to make android app?

Question

There are many frameworks available in the market such as android studio, kivy for python, corona sdk, and many more. So, which framework did sololearn use ?

Answer 1

I do agree with you about use of material design@stecher. But there are many frameworks available which one sololearn use.?

Answer 2

Android Apps are usually written in Java. I think that SoloLearn is written in Java, too, because it uses Material Design. This can (as far as I know) only be accomplished with the Java Android API.