public void Run() { container.time = Java.Lang.JavaSystem.CurrentTimeMillis() - container.startTime; int seconds = (int)(container.time / 1000); int minutes = seconds / 60; seconds = seconds % 60; ((TextView)container.FindViewById(Resource.Id.time_text_view)).Text = (Java.Lang.String.Format("%d:%02d", minutes, seconds)); container.timerHandler.PostDelayed(this, 500); }