Mobile applications with Webdynpro - performance contra functions

Hi all,
By starting this thread I am hoping to get some input from those of you that already developed mobile applications using WebDynpro. In my organisation we currently have several mobile transactions running through ITSmobile (which is normal ABAP programs designed with a small screen in mind), but to make development easier and more future-proof we are looking into using WebDynpro instead.
We use Windows CE devices with Internet Explorer 6. This means standard Webdynpro runs fine, and looks fine. The problem here is that the rendering take very long time, up to 5 seconds. My guess is this is caused by the heavy payload of the stylesheets and JavaScript.
So I have also tried by using the PieClient option, which seems to entirely get rid of both CSS and JavaScript, giving excellent performance. Problem here is that some key functionalities are lost, for example the OnEnter action in a input field and the ability to set focus to a field when a view loads. With these, it seems impossible to create a well-working mobile application that could be operated without using a stylus or keyboard.
I would have liked a third option, with some kind of "lean" CSS and JavaScript, but I don't think that possibility exists.
So how did you solve this problem, what approach did you choose? Looking forward to your input.
/Leif

Hi Leif
yes you're right Mobile Always Connected, formely known as Web Dynpro reduces the overall dataload to provide an excellent performance espacially optimized for mobile devices.
SAP NetWeaver Mobile Always Connected is supporting Stylesheets with NetWeaver 7.1 EHP 1.
It does get rid of JavaScript in general, but reduces it to a minimum.
It also adds some mobile specific key capabilities like:
- Device Recognition & Device Specific Rendering
- Integration of Peripherals
- Integration of Function Keys
Depending on the NetWeaver Version you are using, you should try to add the following parameter to your URL:
sap-wd-client=PieClient
sap-wd-client=Pie03Client
Example
http://idesmobileonline.sap.com/webdynpro/dispatcher/local/Congress/MobileWorkplace?sap-wd-client=PieClient
Feel free to visit also the mobile capability at SDN. This area provides you forum support for always connected (Mobile Web Dynpro) and for occasionally connected environments. It also includes a forum with a experienced mobile community.
[https://www.sdn.sap.com/irj/sdn/nw-mobile|https://www.sdn.sap.com/irj/sdn/nw-mobile]
Enjoy,
Stefan

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"DBTest_MFC.exe": "D:\fh\proggen\DBTest_MFC\DBTest_MFC\msvcr80.dll" geladen, Symbole wurden geladen.
"DBTest_MFC.exe": "C:\WINDOWS\system32\msvcrt.dll" geladen, Keine Symbole geladen.
"DBTest_MFC.exe": "D:\fh\proggen\DBTest_MFC\DBTest_MFC\msvcp80.dll" geladen, Symbole wurden geladen.
"DBTest_MFC.exe": "C:\WINDOWS\WinSxS\x86_Microsoft.VC80.DebugMFC_1fc8b3b9a1e18e3b_8.0.50727.42_x-ww_c8452471\mfc80d.dll" geladen, Symbole wurden geladen.
"DBTest_MFC.exe": "C:\WINDOWS\WinSxS\x86_Microsoft.VC80.DebugCRT_1fc8b3b9a1e18e3b_8.0.50727.42_x-ww_f75eb16c\msvcr80d.dll" geladen, Symbole wurden geladen.
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"DBTest_MFC.exe": "C:\WINDOWS\system32\user32.dll" geladen, Keine Symbole geladen.
"DBTest_MFC.exe": "C:\WINDOWS\system32\shlwapi.dll" geladen, Keine Symbole geladen.
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"DBTest_MFC.exe": "C:\WINDOWS\system32\ole32.dll" geladen, Keine Symbole geladen.
"DBTest_MFC.exe": "C:\WINDOWS\WinSxS\x86_Microsoft.VC80.DebugCRT_1fc8b3b9a1e18e3b_8.0.50727.42_x-ww_f75eb16c\msvcp80d.dll" geladen, Symbole wurden geladen.
Eine Ausnahme (erste Chance) bei 0x7c91eae0 in DBTest_MFC.exe: 0xC0000005: Zugriffsverletzung beim Lesen an Position 0x00000130.
R6034
An application has made an attempt to load the C runtime library incorrectly.
Please contact the application's support team for more information.
Windows hat einen Haltepunkt in DBTest_MFC.exe ausgelöst.
Dies kann auf eine Beschädigung des Heaps zurückzuführen sein und weist auf ein Problem in DBTest_MFC.exe oder in einer der geladenen DLLs hin.
Weitere Analyseinformationen finden Sie möglicherweise im Ausgabefenster.
Is anyone familiar with this problem an perhaps able to help me?
I already tried some "workarounds" and played with the manifests, but had no success.

I assume you have the manifest tool (mt) somewhere on your system - I just open a "Visual Studio Command Prompt" when I have to use with it.
Something you can try (I'm not certain it will resolve your issue though):
1. Open a Visual Studio Command Prompt and change directories to %ORACLE_HOME%\OCI\lib\MSVC\vc8
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copy oraocci10.dll oraocci10.dll.orig
copy oraocci10d.dll oraocci10d.dll.orig
3. Use the mt tool to embed the provided manifest files (you should already have these files in the directory):
mt -manifest oraocci10.dll.manifest -outputresource:oraocci10.dll;2
mt -manifest oraocci10d.dll.manifest -outputresource:oraocci10d.dll;2
NOTE: This is not an Oracle-specific procedure. The manifest tool is used by Visual Studio itself when building projects.
4. Depending on how you have your system configured, copy the oraocci10(d).dll files to a backup copy as before in whatever directories you have them and then copy the "new" files with the embedded manifest to those locations.
For example, on my development machine, I have copied the files to %ORACLE_HOME%\bin so that I do not have to include %ORACLE_HOME%\OCI\lib\MSVC\vc8 in my path.
Let us know if that helps or not!
- Mark

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