This OkHttpStack is no longer supported in OkHttp2.0: https://gist.github.com/JakeWharton/5616899
What is the current pattern to integrate OkHttp 2.0.0 with Volley?<
You must use okhttp-urlconnection module that implements the java.net.HttpURLConnection API, so:
Download or set a dependency for okhttp-urlconnection
Rewrite your OkHttpStack to make use of the OkUrlFactory class:
public class OkHttpStack extends HurlStack {
private final OkUrlFactory okUrlFactory;
public OkHttpStack() {
this(new OkUrlFactory(new OkHttpClient()));
}
public OkHttpStack(OkUrlFactory okUrlFactory) {
if (okUrlFactory == null) {
throw new NullPointerException("Client must not be null.");
}
this.okUrlFactory = okUrlFactory;
}
@Override
protected HttpURLConnection createConnection(URL url) throws IOException {
return okUrlFactory.open(url);
}
}