tree 023eca35d768e9da29d7779bdae102b3ce422f1f
parent f6df917905426d209c5820d01cbc7ad8f23aa9b4
author John Reck <jreck@google.com> 1473369146 -0700
committer John Reck <jreck@google.com> 1473693600 -0700

Illegal behavior -> Exception

Throw an IllegalStateException if the contract
of OnDrawListener is violated.

Change-Id: Ic86f6a0c8cd69ee7a8daa0ba135a3df76f56a213