Displaying error messages with Android and MonoDroid

One of the most annoying things when I build a desktop app in .NET is MessageBox.Show() for displaying images or using a alert() in Javascript is that I have to click on the popup dialog to make it go away.  I love the little messages at the bottom of an Android screen that come up, display some text, and then go away.  Its a Toast.  Here's a simple call to make one display. Toast.MakeText(this,