Fragmentation is my primary concern with Android development, and is something that I faced head on with much frustration with my own apps. But what exactly can

Fragmentation is my primary concern with Android development, and is something that I faced head on with much frustration with my own apps. But what exactly can Android do about this? It seems that Android's staggering success is at least partially based on its Windows-like approach to essentially go "broad spectrum" and get on as many devices as possible. How do you negate fragmentation without clearing out a large swath of your device base?