You need to enable the drawing cache first or force-build it.

On Mon, May 4, 2009 at 2:14 PM, Meryl Silverburgh
<[email protected]> wrote:
>
> Can you please tell me how does android determine when View should
> enable the drawing cache?
>
> I try calling in my class (which inherits form LinearLayout)
>
> Bitmap drawingCache = getDrawingCache();
>
> I get a null in my drawingCache.
>
> Thank you.
>
> On Thu, Apr 30, 2009 at 3:48 PM, Romain Guy <[email protected]> wrote:
>>
>> You can also use the View's drawing cache API.
>>
>> On Thu, Apr 30, 2009 at 3:38 PM, dan raaka <[email protected]> wrote:
>>> Bitmap b = Bitmap.create( ....);
>>> Canvas c = new Canvas(b);
>>> your_view.draw(c);
>>> use b to in setDrawable else where
>>>
>>> there are missing lines, but you should get the idea
>>> Dan
>>>
>>> On Thu, Apr 30, 2009 at 2:23 PM, Moto <[email protected]> wrote:
>>>>
>>>> Hi,
>>>>
>>>> I need to somehow get a drawable of the contents of a Layout, once I
>>>> get that "drawable" I want to set it as a background on an empty
>>>> layout....
>>>>
>>>> How can I go about doing this?
>>>>
>>>> Thanks!
>>>> Moto!
>>>>
>>>
>>>
>>> >
>>>
>>
>>
>>
>> --
>> 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
>>
>> >
>>
>
> >
>



-- 
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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