I\'ve seen different advice on the best way to do this This question covers creating a jar. Elsewhere, I\'ve seen advice to simply copy the volley source into your own proje
UPDATE:
compile 'com.android.volley:volley:1.0.0'
OLD ANSWER: You need the next in your build.gradle of your app module:
dependencies { compile 'com.mcxiaoke.volley:library:1.0.19' (Rest of your dependencies) }
This is not the official repo but is a highly trusted one.