Or you can put it in a LinearLayout and use android:layout_width="0px"
android:layout_weight="3" with another view in the container given
android:layout_weight="1".
On Sun, Jan 23, 2011 at 11:37 PM, Kostya Vasilyev <kmans...@gmail.com>wrote:
> Brill,
>
> Views specify their preferred size by overriding onMeasure.
>
> You've got to deal with special values representing wrap_content and
> fill_parent (that's the MeasureSpec stuff):
>
> Here is an example, it's a view that's placed inside a ScrollView and makes
> itself "tall", even in landscape orientation:
>
> @Override
> protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
> if (heightMeasureSpec != 0) {
> int sizeWidth = MeasureSpec.getSize(widthMeasureSpec);
> int sizeHeight = MeasureSpec.getSize(heightMeasureSpec);
>
> if (sizeHeight < sizeWidth) {
> sizeHeight = sizeWidth * 3 / 2;
>
> heightMeasureSpec = MeasureSpec.makeMeasureSpec(MeasureSpec
> .getMode(heightMeasureSpec), sizeHeight);
> }
> }
>
> super.onMeasure(widthMeasureSpec, heightMeasureSpec);
> }
>
> -- Kostya
>
> 24.01.2011 7:45, Brill Pappin пишет:
>
> Ok, I'm working on a custom view and having trouble with setting its size
> so it scales properly across devices.
>
> In particular i want its fixed height to be relative to its width (of
> match_parent).
>
> Something like this sudo code:
>
> View myview = new View(..);
>
> myview.setLayoutParams(new LayoutParams(
>
> LayoutParams.MATCH_PARENT, ( MATCH_PARENT / 4) * 3));
>
>
> The goal would be to make the component height be 3/4's of the width.
>
>
> This doesn't have to be done from outside. i.e. it could be done from
> inside the view, but I'm unsure what I need to override inside my
> view implementation to set the height. Set it too early and i may not yet
> have my width, set it to late and I may just end up on a resize race loop :)
>
>
> So, my question is, what is the proper way to make a
> View dynamically sized at runtime in at least one of the dimensions?
>
>
> - Brill Pappin
>
>
>
>
>
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>
>
> --
> Kostya Vasilyev -- WiFi Manager + pretty widget --
> http://kmansoft.wordpress.com
>
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--
Dianne Hackborn
Android framework engineer
hack...@android.com
Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails. All such
questions should be posted on public forums, where I and others can see and
answer them.
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