Re: [xmlvm-users] Qooxdoo parameters

[Arno P. <ar...@pu...>]

please note that no one is currently working on the JavaScript backend. 
The only thing that ever worked was to cross-compile some plain Java 
code over to JavaScript. We never pushed it far enough to cross-compile 
a complete Android application. While possible in theory, this is a lot 
of work.

Arno


On 11/8/10 3:55 AM, John Bester wrote:
> When I try to generate a web application from an Android application I
> came across these problems: (I am working on an Ubuntu 10.4 installation)
>
> 1) The manual mentions that QOOXDOO_HOME variable needed to be set up,
> but this did not work and I got another message, saying that I should
> set up XMLVM_QOOXDOO_PATH. I set up this variable to point to the same
> folder and this time around that problem was fixed.
>
> 2) Although the manual mentions that --qx-main and --qx-app arguments
> must be specified, it does not specify what these parameters mean or how
> to determine values to be assigned to them. When you specify no
> --qx-main parameter, you get the following message:
> QooxdooOutputProcess: --qx-main= must be of format:<ClassName>.(main|Main)
> There are no files in an Android project that has a "public static void
> main(String[] args)" method, so I assume I can pick any class name.
>
> 3) I tried using MyClass.Main as --qx-main and all seemed wo work fine -
> but no generated code, finally I found it in a subfolder of my current
> folder (/tmp/xmlvm/home/...) in stead of (/home/...).
>
> 4) I then copied the files in the "build" folder to the location where I
> actually wanted it. When I open index.html in a web browser, I simply
> get an empty screen.
>
> 5) I now tried to redo the xmlvm process and got this error:
> ERROR: QooxdooOutputProcess: Output directory exists, but doesn't seem
> to be a valid QX project as the following file could not be found:
> /tmp/xmlvm/home/.../temp_cache/temp_qx_app/generate.py. The funny thing
> is, I can delete the folder /tmp/xmlvm/home/... completely and I still
> get the error. Eventually I found that the check was done against the
> folder I actually wanted as a destination and not the subfolder of the
> current folder.
>
> 6) I got null pointer exceptions a few times in at least 2 different
> places. The one I can reproduce is when I use the application class name
> as a --qx-main parameter (e.g. "softco.monitor.Monitor"). Here is the
> stack trace:
> Exception in thread "Thread-2" java.lang.NullPointerException
>       at net.sf.saxon.Controller.transformDocument(Controller.java:1776)
>       at net.sf.saxon.Controller.transform(Controller.java:1559)
>       at org.xmlvm.proc.XsltRunner.runXSLT(XsltRunner.java:95)
>       at org.xmlvm.proc.XsltRunner.runXSLT(XsltRunner.java:66)
>       at
> org.xmlvm.proc.out.JavaScriptOutputProcess.generateJavaScript(JavaScriptOutputProcess.java:141)
>       at
> org.xmlvm.proc.out.JavaScriptOutputProcess$JavaScriptTranslationThread.run(JavaScriptOutputProcess.java:61)
>
> If I add .Main at the end of this main ("softco.monitor.Monitor.Main"),
> I do not get this exception.
>
> According to the manual I should have a read ready to deploy web
> application when target is qooxdoo, but unfortunately I just get a blank
> page. Is this statement in the manual in theory (will work if qooxdoo
> target is fully developed), or am I specifying parameters incorrectly?
> (I am hoping for the latter). Can someone please clarify what these two
> parameters in the manual should be?
>
> Regards
> John Bester
>
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