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A little bit of hot Java

dcrocha | 11 April, 2008 16:36

Pretty interesting document posted by Aleksi Uotila on the S60 Java blog, containing a PDF document about S60 3.2's eSWT plug-in for Java applications. I have been using this toolkit's desktop version for years and I must say I have never looked back to Swing or AWT, so I really hope there's more development on this side for mobile devices, since innovation on Java platform has been a bit slow these days, partly due to the JCP process and everything.

Here are some screenshots of how eSWT apps look like:

 

Direct link to the article here.

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After Carbide.j's demise, I have been working hard to get used to the other toolsets in the market. Adaptation to NetBeans Mobility Pack was pretty swift, but I can't say the same about EclipseME, since I had many conflicts with my version of Eclipse, but thanks to Leisti's article on Wikipedia I finally got what works with what then my setup is now running smoothly, and I'm a big fan of C-like macro preprocessing, which helps a lot in reducing the problems of device fragmentation. EclipseME, as well as NetBeans, have this feature and I love it, specially when dealing with "new" APIs not available across S40 and S60 (Location API, do you hear me?) and also with the (too) highly modular Mobile Media API.

<code>
// #ifdef DEBUG
System.out.println("Some debug output");
// #endif
...
</code>

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Speaking of fragmentation, the other day I was checking my GMail account and I came across an ad for Tira Jump 2008. For those who don't know it, Jump is a tool to facilitate application deployment across mobile devices, so you don't have to do it manually. I saw a presentation by these guys at JavaOne 2005 and was pretty impressed when they created a MIDlet game which could run on 120 devices almost automatically. Today they claim support to 1200 device models, which is quite a number! They have a free version of the tool that you can use to test the product and deploy your midlet in up to 12 different models. I'll give it a try later.

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Why so much JAVA? I'm writing some chapters of an upcoming Java book for a well-known editor, so I have been thinking in Java instead of Portuguese for the past two weeks, and it's been fun.

Speaking of Portuguese, my native language, the "hot java" joke never made any sense to us, since we don't call our coffee "Java", but I nevertheless inserted throughout the post just to please our English-speaking readers :)

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Follow-up on the Symbian 9.2 Platform Security hack

dcrocha | 02 April, 2008 14:18

I have tested it as promised in my last post. After some initial trouble, I managed to get the Symbian 9.2 Platform Security hack working on my N95 with 20.0.015 firmware. It does work, as long as you don’t reboot the phone, as you can see in the screenshots I have posted on my personal blog, rawsocket dot org, where you can also find more details on this issue.

The trick is still a bit cumbersome to perform, but it works. I'll keep my eye on the latest developments from both sides, hackers' and Nokia's, to see where this is going. Are we seeing the beginning of a catch-up game like the one Sony and Apple have been playing against hackers, with all the jailbreaks and cracked firmwares?

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