Kostya's answer is probably what you need if you need an almost pixel-
perfect division of 3:1.
Implement the onMeasure method in your custom view.
On Jan 24, 9:22 am, Brill Pappin <br...@pappin.ca> wrote:
> I'm afraid I don't understand the weight values.
>
> one of the points of a fixed height is that I'm drawing on the canvas
> for the view and it has to be as exact as i can get it so that i don't
> get empty space.
>
> There is another view below it that will align to its bottom and
> should stretch to fill any left over space (via RelativeLayout).
>
> - Brill Pappin
>
> On Jan 24, 3:21 am, Dianne Hackborn <hack...@android.com> wrote:
>
>
>
> > 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.- Hide quoted text -
>
> - Show quoted text -
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