I was writing about my current QML project earlier and now was the time to go from dummy data to real ones. For the prototyping phase we were using models created with ListModel and the attributes we need in the UI. For some JavaScript code that is called to execute actions we were using ListModel.get(index) to get the item and then execute code. The QML Documentation was bringing me very far. I was using the rootContext of the QDeclarativeView to…
I am using postfix on my server and it has the nice feature that it can move mails with +something at the end into a folder I want. This allows me to see who is selling my email address to which company and such. Now the downside is that many forms of webapps claim that my email address is not valid. So today I was over at finanzen.net to try to register a new account and instead of telling me…
I would like to share some more information about how I resolve my QML issues. In my last post I got a friendly reply of hiding states and such information of a Component inside an Item of that component. This was a very good hint. My application is making heavy use of delegates for the ListView, PathView, Repeater and sometimes qmlviewer stops displaying content with a warning: “QDeclarativeComponent: Component is not ready”. In contrast to the many other places this…
In the last days I have resumed my QML work (I had a small break to work on the MGCP GW code of OpenBSC to fix some real world issues) and there is one kind of issue I tend to run in and I wonder how others are solving it. Let us imagine we have a QML Component for a Button. The Button itself can hold a text (property alias text: buttonLabel.text) and the button has three states (enabled, focused,…
On the following weekend the Coscup 2010/GNOME.Asia is taking place in Taipei. The organizers have decided to have a strong focus on the Web as can be seen in the program. On saturday there are is a keynote and various talks about HTML5, node.js. The Sunday will see three talks touching WebKit/GTK+. There is one about building a tablet OS with WebKit/GTK+, one by Xan Lopez on how to build hybrid applications (a topic I have devoted moiji-mobile.com to) and…
I have spend the last week differently than I had planned. I have been to Iceland, the Hotel still didn’t restart their DVB-S receivers or renewed their smartcards. So 13/16 Channels are stuck in different set-top box messages and only RTLII of Switzerland, BBC and Eurosport are fully functional. The sad part is thet one could receive China’s CCTV program here… I have spend the last week working on the MGCP Gateway of OpenBSC to allocate the network and the…
This is just a small list of things that have happened in OpenBSC: Introduce a GSM 08.08 BSC API to separate channel management from the MSC Code. This has also killed reference counting of our logical channels and we release channels a lot faster. Toying with USSD. I started to play with ASN.1 and generate USSD messages, right now we can send a unstructuredSS-Notify down to the Cellphone and play with the alerting types, sending a notifySS as part of…
I was playing with ASN1 and Supplementary Services over the Weekend. My goal was to provide extended user information during a call setup. So the first step was searching for information of how it could look like, this involved going through the GSM Spec, the 2nd part was wrestling with asn1c to generate some dummy data (as I couldn’t find a trace doing that), the 3rd part was being able to generate that from OpenBSC and send it to the…
Being an Engineer one need to resolve problems and sending a mail to a mailinglist and asking for help is most of the time not the problem solving skill you should use. So here is a list of some easy hints… Finding a build error (using make) in a log file. You might use a tool like OpenEmbedded that keeps the log file around and you have a build failure. First of all check the end of the file, but…
Create a website to compete with an established one. Make something bad like handling cursor/space keys in the side and alienating people using keys to navigate. Create the impression one can give input, place a feedback button. Use a form, allow the user to enter text. Make sure the submit is not just a simple submit but make it go through javascript so you can reference variables that do not exist If you follow these steps, you are guranteed to…