Something like that :) The way we usually do it is post a delayed
invalidate instead of using a Timer. We'll have a better solution in a
future release of Android though.

On Fri, Jul 30, 2010 at 11:52 AM, jsera <[email protected]> wrote:
> Thanks for the quick reply!
>
> So then would the best approach be to call invalidate, and change the
> size of the View using setMeasuredDimension on every tick of a Timer
> object?
>
> On Jul 30, 11:39 am, Romain Guy <[email protected]> wrote:
>> Subclassing Animation won't help you unfortunately. It would be best
>> for you to implement the animation yourself.
>>
>>
>>
>> On Fri, Jul 30, 2010 at 11:18 AM, jsera <[email protected]> wrote:
>> > Hi, I'd like to subclass Animation in order to get an animation that
>> > changes the clipRect of the canvas passed to a particular custom view
>> > instead of messing with the matrix of that canvas.
>>
>> > The reason for this, is that I want to animate a partially obscured
>> > bitmap up to display it fully.
>>
>> > So, say I have a bitmap 100x100 px, and at the start of the animation,
>> > I want to start out displaying the top 100x50px of it, so the clipRect
>> > will be of the size 100x50.
>>
>> > I want to move the clipRect 50px up, and add 50 px to it's size, but
>> > it looks like both the scale and translate animations just change the
>> > matrix, so I wind up displaying the same 100x50px area, but stretched
>> > to fit in in whatever space.
>>
>> > Anyway, what's the best way of accomplishing this?
>>
>> > --
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>> --
>> 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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-- 
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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