http://www.techbits.de thoughts on hardware, software, development and tech news Thu, 11 Feb 2010 21:37:13 +0000 http://backend.userland.com/rss092 en In a java frameworks talk I gave recently I showed the following example for finding files recursively... public void listFilesInDirectory(File dir) {   File[] files = dir.listFiles();   if (files != null) {     for (File f : files) {       if (f.isDirectory()) {         listFilesInDirectory(f); } else {         ... http://www.techbits.de/2010/02/11/recursive-file-iteration-in-java/ I extended my android application with a preferences screen now, which is quite easy to do. A tutorial for creating a Preferences Activity got me started - unfortunaltely the xml preferences definition it uses is incorrect. The tags are names of Classes which have to be capitalized. The open the preferences activity ... http://www.techbits.de/2010/01/04/android-exploration-continued/ In the last few days I started out with some android development. Here are some things learned so far developing my first app: The Android Tutorials are a great starting point, though i only followed through with the HelloWorld Tutorial. In retrospect I should have looked at the Notepad Tutorial a ... http://www.techbits.de/2009/12/30/first-steps-with-android/ The google gdata apis do not come with maven POM-files. Someone went through the trouble to "mavenize" the source but it is limited to linux as build plattform and currently out of date (compile errors). So I installed the JARs from the binary distribution of the APIs into my local ... http://www.techbits.de/2009/08/06/adding-googles-gdata-java-api-to-your-maven-repository/ Usually you encode single MP3 files for each track on a CD. But there are cases when it's sensible to encode the whole CD as one MP3 file. This is usually done, when you have a continuos live album where you want to avoid gaps between the tracks und preserve the ... http://www.techbits.de/2009/07/26/splitting-mp3cue-files-into-multiple-mp3-files/ Google Docs/Spreadsheets forms can be used easily as a simple survey tool. You just have to send a link to the participants who have to fill out and submit the form. The only problem: The forms have to be filled out in one go, you can not come back later ... http://www.techbits.de/2009/07/23/continue-later-for-filling-out-google-docs-forms/ If been working on legacy data import code in the last months with a lot of code searching for exisiting objects in lists. I realized I needed a different collection to speed up searching for identifiers and couldn't find any standard collection that matches my needs. I basically need an ... http://www.techbits.de/2009/07/18/indexedlist-a-hybrid-of-a-java-list-and-a-map/ I had to bring techbits back from the dead - I have lots more to say. I know that I rarely find time to write long and carefully crafted articles but I'd rather contine posting short notes twitter style than not posting at all. Wordpress is updated, a new fresh theme ... http://www.techbits.de/2009/07/17/techbits-back/ Unfortunately the post has been lost due to a spam/defacement attack. http://www.techbits.de/2007/10/18/simple-java-reverseiterator-to-iterate-in-reverse-order/ I'm currently trying out the open source document management system Alfresco. I anticipate Alfresco becoming a widely used open source product in the field of enterprise document management much like typo3 is currently for web CMSes. To get to know it I decided to run it on a debian server ... http://www.techbits.de/2007/03/02/integrating-freemind-documents-into-alfresco/