Category Archives: Symbian

Fighting my way through WINSCW builds

I’ve been trying to set up a reasonable build environment with scons-for-symbian (huge thanks to Jussi Toivola for that) where I can get unit tests running quick enough. If you ever do something wrong with the builds you are truly … Continue reading

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E32DBMS (Symbian database) performance

(This is a brief overview – I did some measurements at G but never got round to ask permission to publish the data) Jaiku uses the Symbian databases heavily. All of the posts you see in the overview, by-author and … Continue reading

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Network fun on Symbian

Been writing some network code for S60, using the HTTP stack for the first time (Jaiku has its own, crappy, stack because it used to run on 6.1). Couple of things that wasted me a day, once again: I tried … Continue reading

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Google acquires Jaiku!

Details at the Jaikido blog and Googleblog (and of course on Jaiku). I’m at least looking forward to meeting some great people and a great backend :-)

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‘Cannot find phone’ error in software updater

I’m reflashing one of our N95′s to take it into use. But for some reason the Nokia Software Updater wasn’t finding the phone even after all the drivers were installed, the computer rebooted, the phone reconnected etc. Turned out the … Continue reading

Posted in Symbian | 7 Comments

Forum Nokia FUD

Recently, I and some other people participated in a Forum Nokia Discussions thread on how to reboot the phone gracefully. I pointed out the undocumented SysStartup::ShutdownAndRestart() function with some example code, which was promptly removed. This sparked the following discussion … Continue reading

Posted in Symbian | 14 Comments

Jaiku Mobile for S60 3rd ed. released!

For those of you living in a barrel, I’m posting here as well: the 3rd edition client for Jaiku has been officially released together with the new site! Go grab it from We actually had a signed version a … Continue reading

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Problems with 9.1 SDK tools

I’m just documenting what we have done here. These are not cookbook like. YMMV. Handle with care. does not handle arguments in spaces in them correctly. The line that puts together the command must be changed to my $command … Continue reading

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3rd edition MMC writes take 50 times as long as writes to internal memory

We’ve had great problems running Jaiku from an MMC with acceptable performance. Symbian Signed requires you to only store data on the drive your application is installed to. Jaiku keeps a large number of small data items which are fairly … Continue reading

Posted in Symbian | 6 Comments

GCC-E and ARMCC compared

I finally got the ARM compiler evaluation CD and license today. Executive summary: code size down 30% (220 KB), and since that’s in compressed size my guess is that we are saving at least 400KB run-time memory consumption. Code size … Continue reading

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