[android-developers] Re: ScrollView occupies entire screen height?

Mark - works perfectly, thanks so much.

On Oct 10, 10:20 am, Mark Murphy <mmur...@commonsware.com> wrote:
> Mark Wyszomierski wrote:
> > I'm having trouble with this layout - I need a ScrollView, then a
> > LinearLayout with a button below that:
>
> >  <ScrollView height="fill_parent">
> >  </ScrollView>
> >  <LinearLayout height="wrap_content">
> >    <Button>
> >    <Button>
> >  </LinearLayout>
>
> I am assuming the whole thing is being wrapped in a LinearLayout for my
> comments below.
>
> > the scrollview pushes the linear layout under it off the screen.
>
> That's because you told it to via android:layout_height="fill_parent".
>
> > The
> > only way I can get this to work is if I explicitly set the scrollview
> > height in pixels to be less than the total height of the screen, but
> > hardcoding a height isn't going to work on different devices. How can
> > I do this?
>
> Set the ScrollView's android:layout_height="0px" and its
> android:layout_weight="1". Android will allocate 0px initially to the
> ScrollView, then however many pixels the LinearLayout needs. It then
> divides the extra pixels between those widgets with weights; if the only
> weight is on the ScrollView, it will "absorb" all those pixels.
>
> Or, use a RelativeLayout to wrap the whole thing, anchoring the
> LinearLayout to the bottom via android:layout_alignParentBottom="true"
> and anchoring the ScrollView to the top
> (android:layout_alignParentTop="true") and to the top of the
> LinearLayout (android:layout_above="@id/whatever").
>
> --
> Mark Murphy (a Commons Guy)http://commonsware.com|http://twitter.com/commonsguy
>
> Android App Developer Training:http://commonsware.com/training.html
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