Yes, it can be done, but you have to make (too) many sacrifices. For example, the Reqwireless WebBrowser doesn't use the FullCanvas so it uses a smaller display area (options, back... keys could have been hidden and displayed on keypress or other key combination). Most Java enabled phones (and, usualy, phone = small display) have small displays and this is really a HUGE sacrifice in this case.
The MIDP implementation on Java enabled phones seems to be a really bad choise for the moment. Although, Java was intended to make an application run an all (hardware compatible) devices, each phone manufacturer has created phone-specific classes, and in most cases this wasn't necessary. For example Nokia implements the FullCanvas (full screen), an extension to Canvas (the screen without the command area -- the lower side of the screen where commands can be mapped to the phone's "function keys") and Siemens has a totaly different implementation of the same concept. The problem is that there's no way to make an application fully compatible withouth re-writing the code. If all concepts were implemented in the base MIDP classes, this could have been avoided. Hopefully this problem will be solved soon:)
For the moment, the J2ME defides the "one application for all devices" concept, the base of the JAVA language.
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Yes, it can be done, but you have to make (too) many sacrifices. For example, the Reqwireless WebBrowser doesn't use the FullCanvas so it uses a smaller display area (options, back ... keys could have been hidden and displayed on keypress or other key combination). Most Java enabled phones (and, usualy, phone = small display) have small displays and this is really a HUGE sacrifice in this case.
The MIDP implementation on Java enabled phones seems to be a really bad choise for the moment. Although, Java was intended to make an application run an all (hardware compatible) devices, each phone manufacturer has created phone-specific classes, and in most cases this wasn't necessary. For example Nokia implements the FullCanvas (full screen), an extension to Canvas (the screen without the command area -- the lower side of the screen where commands can be mapped to the phone's "function keys") and Siemens has a totaly different implementation of the same concept. The problem is that there's no way to make an application fully compatible withouth re-writing the code. If all concepts were implemented in the base MIDP classes, this could have been avoided. Hopefully this problem will be solved soon :)
For the moment, the J2ME defides the "one application for all devices" concept, the base of the JAVA language.
happy bithday quicktime :)