10 things to think about when developing Android applications, to address the range of screen sizes available on today's devices. To be delivered 16 November 2009 at an Android Developer Lab in Google's NYC office.

1. Android Developer Lab
Supporting Multiple
Screen Sizes
a top 10 list by Mark Murphy, CommonsWare

2. Supporting Multiple Screen Sizes
1.What's Your Target?
● Android 1.5?
● Multiple screen sizes?
● Both?
● What about ARCHOS?
2.Big is Beautiful
● QVGA?

3. Supporting Multiple Screen Sizes
3.Don't Mean It Literally
● Avoid px
● Use dip, mm, in
● Ponder sp
4.Parents Establish Rules
● RelativeLayout
● Custom layout managers

4. Supporting Multiple Screen Sizes
5.Game? Set. Match!
● Resource sets
● -small, -normal, -large
● -ldpi, -mdpi, -hdpi
● -v4, -v5
6.A Malfunctioning DROID
● May need -v4, -v6
● And, yes, that's -v6...

5. Supporting Multiple Screen Sizes
7.Use Stretchy...Graphics
● Shapes in XML
● Nine-patch PNGs
8.Think Outside the (HVGA) Box
● Consolidate activities
● Eliminate dialogs
● Add buttons to supplement menus

6. Supporting Multiple Screen Sizes
9.Test. Rinse. Repeat. Don't Lather.
● Emulators
● Devices
● Remote devices
10.It's a Question of Scale
● Scaling the emulator