What programming language is used for making android os

Answer 1

This question has bee asked before please follow the links below for more reference to your question.

https://www.sololearn.com/discuss/415930/?ref=app

https://www.sololearn.com/discuss/426527/?ref=app

https://www.sololearn.com/discuss/418691/?ref=app

https://www.sololearn.com/discuss/418667/?ref=app

https://www.sololearn.com/discuss/409049/?ref=app

https://www.sololearn.com/discuss/417626/?ref=app

Answer 2

Do you mean by OS or Apps??

well Android is build on top of LINUX as well as its large portion is written in C language and there are swatchs of codes written in C++ language though and most of the frameworks , UI (User Interface) and other parts are written in Java .