Yet again, error: package com.android.okhttp does not exist

By now, I think I would remember this one by heart, yet every time, this error throws me for a loop…. [CODE] external/apache-http/../../frameworks/base/core/java/android/net/http/SslCertificate.java:19: error: cannot find symbol import com.android.internal.util.HexDump; ^ […]