A Taste of JavaME Overview to Java’s approach to wireless mobile application development from a developer’s perspective Thomas Wiradikusuma [email_address] www.wiradikusuma.com Presentation to the 19 th Java User Group Meet Up (JaMU), March 4, 2006
Typically contains functionality independent of any particular vertical market segment or device family. The main goal is to allow the definition of APIs that can be added flexibly on top of a number of different profiles. One device can support multiple optional packages.
A command is something the user can invoke—you can think of it as a button. Like a button, it has a title, like “OK” or “Cancel,” and your application can respond appropriately when the user invokes the command. The premise is that you want a command to be available to the user, but you don't really care how it is shown on the screen or exactly how the user invokes it—keypad button, soft button, touch screen, whatever.