On Jun 1, 2010, at 9:18 PM, Hank Heijink (Mailinglists) wrote:
> On Jun 1, 2010, at 5:09 PM, Fritz Anderson wrote:
>
>> On 31 May 2010, at 11:58 PM, Development wrote:
>>
>>> I have a Scroll view that contains a master view. This master view adds
>>> page sized views of image data, specifically PDF data. The problem that I
>>> am having is that if I load all these pages at once, I run out of memory
>>> and the app quits. So I was hoping there was a way to make it so that the
>>> images are only drawn if they are in the scroll view's visible region.
>>> Secondly is Core graphics the best way to be doing this?
>>
>> I admit that every problem looks like a UITableView to me, but it is a
>> solution to the problem of stacking views vertically in a scroll view and
>> loading those views only when they are visible.
>
> Couldn't agree more. If the OP is talking about horizontally stacking the
> views, look at Apple's PageControl sample code. It lazily loads the view
> controllers it needs. Whenever you have a case like that, you're basically
> reimplementing UITableView (probably not all of its functionality though).
Also take a look at OpenFlow.
http://apparentlogic.com/openflow/
While it's doing a Cover Flow kind of task, it's based on a Scroll View, and
it's doing some
memory management kinds of stuff for you to address the issue you have posted
about.
Cheers,
. . . . . . . . Henry
_______________________________________________
Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com
This email sent to arch...@mail-archive.com
