java -jar jarfilename. jar
is a nice java library
you should set up an alias for it: processing
(or on windows etc get the app)
annoying install from website, but it is for making phone apps warning this thing is big! (a couple of Gigabytes)
takes a while
on linux you need to setup an alias for running the studio.sh file
mine are
andstud or android_studio
the file is /usr/local/android_studio/bin/studio.sh
also note the sdk is installed at ~ I think