Hi,

A way to do this is to use the onSizeChanged() method. In that method,
you know what the exact size of your view is. From there you can
easily call Bitmap.createScaledBitmap() to scale your bitmap down.

On Thu, May 28, 2009 at 11:00 PM, snctln <[email protected]> wrote:
>
> So I was just reading a great overview of some of the IO happenings
> written by Mark Murphy and posted over at http://androidguys.com/?p=5342
> and was very intrigued by something... here is the relevant text
>
> "Next, Romain moved into images, particularly backgrounds for widgets.
> Backgrounds will always be fitted to the widget, and so Android may
> have to scale your bitmap to fit the widget – however, scaling at
> runtime is expensive. It is better, where possible to pre-scale the
> image and use the scaled one in your layouts, rather than having
> Android scale it on the fly. You can do this in Java code, via
> Bitmap#createScaledBitmap(), and setting the widget background from
> the cached scaled value."
>
> From my understanding this is basically saying you can figure out the
> end size of your widget by reading values cached bitmap object, but I
> have no idea where to get this object.
>
> When I started working with widgets I spent a lot of time trying to
> figure out the dimensions of the widget but figured it was a lost
> cause because my understanding was that RemoteView gets inflated after
> you ever get a chance to work with the specific dimensions... it seems
> this is still the case but a background bitmap is still cached
> somewhere?  Where can I get a hold of that bitmap object?
>
> I tried writing a proof of concept sample for myself, basically th
> widget layout was a frame layout with a imageView set to fill parent
> for both width and height... I created a bitmap of a small size
> (40x40) and set the widgets image view to this bitmap via
> removoteView.setImageViewBitmap(), i then went back to update the
> widget 1 minute later and my bitmap object had not been scaled at
> all...
>
> Can anyone help me out with this?  Romain maybe?
>
> I have a few ideas that require this ability so any help is appreciated
> >
>



-- 
Romain Guy
Android framework engineer
[email protected]

Note: please don't send private questions to me, as I don't have time
to provide private support.  All such questions should be posted on
public forums, where I and others can see and answer them

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