Scrolling issues with SIP (keyboard) open on wp7 - windows-phone-7

I am developing an application for WP7 platform (actually WP7.1 sdk). I have a page with an image and couple textboxes in a Grid encapsulated in scrollviwer, that supports both portrait and landscape orientation. I am facing some odd behaviors that rised my two questions:
Is there a solution or at least explanation why in Portrait mode when I focus on any textbox and SIP comes up I cannot scroll through the page in the rest of viewable area? When I try to scroll it with SIP up it always bounces back to the focused textbox so to select another textbox I have to tap elswere to hide the SIP and select another textbox. (its annoying and user unfriendly) In a landscape mode though, I can scroll through the page easily (without bouncing) and select whatever I want with SIP up. I think it has to do something with a fact that in portrait mode without sip you can see all elements and in landscape you have to scroll down to see some textboxes. But if I look into some system apps I see similar pages and it doesnt bounce to focused textbox with the keyboard up, so I dunno what am I doing wrong.
Is there any workaround to correctly position dropdown from autocompletebox control from toolkit while it is declared inside of scrollviewer? Its position is always messed up, most of the time I tried to solve this it showed up over the textbox itself hiding it.
Thanks for your time.
I already did some research but didnt solve anything :-/

Could you please try my solution ?
https://siphelper.codeplex.com/

I would recommend you to read Alex's article on the subject. I think it should answer your problem just fine.
Not really. And you shouldn't have a AutoCompleteBox in a ScrollViewer.

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Seems like the popups on Windows 8 suffer from the same problem as they did on Windows Phone in that when you put a TextBox on one of them - it does not get pushed up together with all the other content as it does when it is not in a popup.
My solution to that would be to not use popup for input fields and instead go for a layout that you can manage yourself.
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To solve your problem you would need to put your charm's UI inside of such layer instead of in a popup. Then the build-in mechanism that pushes all the UI up when the on-screen keyboard would otherwise obstruct the view of your TextBox should just start working again.
*EDIT
A simpler solution might be to make sure your settings panel popup is parented in your visual tree - e.g. by adding it as a child element to a root grid of your app or page. It turns out that in that case its content does get pushed up when the OSK shows up.
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Thanks gents - but the answer I needed was to include a viewport meta tag that defined the 'user-scalable' parameter as 'no'. Anyone grappling with mobile device cross browser compatibility issues should check this page out - a huge help to me today.
http://davidbcalhoun.com/2010/viewport-metatag
This usually happens in the web browser as the textbox could be tiny when it is clicked. I agree it can be annoying. It does not happen in native apps however.
if you click on a textbox in the app, and it is under the area where the keyboard would be.
It is normal behavior when text box is focused. Your content is moving up when on screen keyboard is appearing.
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I have a question about the windows mobile development.
I created a mobile form on the windows mobile 6.0 test project. But that example form slightly larger than the vertically normal pocketpc forms. I now everybody said you can press the scrollbar for accessing bottom or any location of the form.
But i need to use the finger for easy navigating form areas. This kind of iphone :)
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I gave up on this as I have moved away from windows mobile but found that it wasn't possible, due to restrictions in the compact framework, to do this with the existing textbox, you would need to create your own texbox control from scratch!

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