@@ -0,0 +1,282 @@
+package io.github.lewismcgeary.androidgameoflife;%0A%0A/**%0A * Created by Lewis on 26/01/16.%0A */%0Apublic interface GameStateCallback %7B%0A%0A    public void gameOver();%0A%0A    public void noCellsWereSelected();%0A%0A    public void cellDrawingInProgress();%0A%0A    public void cellDrawingFinished();%0A%7D%0A

add missing callback interface