One of the pesky fragmentation issues Android programmers must worry about is different screen sizes.
With resolution changing from one phone to another, programmers have to figure out exactly how much room they can devote to icons, photos, video game backgrounds, dialog boxes. But, Google argues, paying the price upfront pays programmers back in the long run--and helps them avoid the fixed-resolution difficulties that afflicted Palm.
Indeed, even before the first Android phone hit the market, Google had set on an approach designed to accommodate not just different pixel resolutions, but also pixel densities--the number of pixels per inch. Android … Read more