Some questions on development on the Blackberry Pearl 8110?

Hello. I have a few questions about the development of java applications on this unit.

Well, asumming my old pearl supports Java...

I have the Eclipse plugin for java installed using the 5.0.0 jre so I think this means that the application works on OS5 and above all, Yes?

Not sure what OS this old Pearl works (I personally don't think it runs OS5?), and if he ran to an older operating system (say OS 4 or less) then my developed apps still work on this unit?

Sorry if these are stupid questions.

Thank you

"applications developed in the usual Blackberry JRE 5.0.0 run on machines running less than 5.0.0 OS?"

It is more accurate to say - are not supported on.

A few apps, when compiled using the API calls that have not been changed, will work on 'low' operating systems, at least a number of people on the forum (yourself included) have told me they have managed this.  However, I tried it by accident (when I plugged the wrong device to load an application) and a device in brick.  So I wouldn't recommend it, even if it does not work.

"do you mean that if I develop my app in JDE, it works on any device blackberry hosting any level of the operating system?"

JDE versions have the same restrictions - there are versions JDE as there are JRE versions.  I think JDE 4.2.1 and JDE 4.3 are always available, so if you want to develop is a phone which works 4.3, because I think that yours, you could use the JDE-, but it should have the JDE 4.3 or earlier.

You can also upgrade your phone and use Eclipse (which is what I would do).

Clear now?

Tags: BlackBerry Developers

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