This meetup discussed different concepts for building Android applications for multiple versions and devices out on the market today. This included the ability to take advantage of new 2.0 and 2.1 features while still supporting 1.x users in the same binary.

1. Build One, Ship to Many March 3, 2010 Mike Novak, Medialets

5. Why support Android 1.x? *Note: Android 2.x support is starting to gain some ground on devices that shipped with 1.x

10. Holder Sample Code public abstract class PlayerNotification { public static PlayerNotification getInstance() { if (Integer.parseInt(Build.VERSION.SDK) <= 4) return PreEclair.Holder.sInstance; else return EclairAndBeyond.Holder.sInstance; } public abstract void showNotification(Service context, int id, Notification notification); public abstract void hideNotification(Service context, int id); private static class PreEclair extends PlayerNotification { ... } private static class EclairAndBeyond extends PlayerNotification { ... } }

13. Some Numbers ..... Source: http://developer.android.com

15. Questions!