Screen Resolutions for iPhone

Full Screen - No top or bottom bar. (phoneGap view) - 320 x 480

Almost Full Screen - Standard top bar - 320 x 460

Mobile Safari View - 320 x 414 (20 on top & 44 on bottom for nav buttons- Imagine tapping the Safari icon, then browsing to a web page)

Android

HTC Android G1

Full Screen - No top or bottom bar 320 x 480 (320x465 when the status bar shows)