I have been working on an android application to work with my http://celebrityastrology.net site. It is now in alpha and can be downloaded from the android marketplace. Built a json service into the celebrity astrology site, after doing mobile/webkit optimized version. Application works with this service to display lists and show content. I needed to downgrade the chartwheel activity to a webview until the image viewer can be perfected.
Been working on several applications for Android, along with supporting Crisp Wireless‘s efforts and expanding mobile advertising opportunities, have discovered a number of issues working on applications with android. First many of the devices have been highly customized, creating significant amounts of fragmentation, which is complicated by the number of active api verstions 1.1 – 2.1, and varying features, for instance input types and navigation controls. Another challenge discovered has been a bug in the browser, that makes work with layers using z-index difficult in that the browser does not respect z-index when doing hit testing, so clicking on a top most level, could wind up activating controls or links on a lower layer. Developing image related applications revealed other issues, including differences between phones such as the Motorola Droid and Emulators. For instance in work with a scrolling, dragging, image browser works fine with the emulator and allows using the application as viewport into a larger image, but the Droid support for Image Views and Scroll Views causes the view to resize to fit, regardless of the settings