iOS scroller performance

[Scott Rossi]

If you have nested groups, the layerMode needs to be set to scrolling for
the topmost (outermost) group, and the group that actually scrolls cannot
be nested inside another group.  With this set up, you should get good
performance.

Regards,

Scott Rossi
Creative Director
Tactile Media, UX/UI Design




On 3/24/13 8:12 PM, "Charles Warwick" <charles at techstrategies.com.au>
wrote:

>> All righty then. I'm wondering if I'm assuming something wrong about
>> the layermode. I'm assuming that only the control that is actually
>> being scrolled should have it's layermode set to scrolling. If that
>> object is inside a group should the group be set to something other
>> than static?
>
>I have tested with scrolling a group that has other groups inside it.
>No matter which combination of layermode settings I apply to the groups,
>it still is not smooth.  I don't have problems with all scrollers
>though.  The issues are mostly noticeable when there are more objects
>(or the objects are more complex) inside the group that is being
>scrolled.
>
>As you have mentioned before, the native scroller just sends the
>scrollerDidScroll message, and then in LiveCode you control the setting
>of the hScroll/vScroll parameters of the object being scrolled
>accordingly - or any other code you use to move the objects.  The
>smoothness of the scroll will depend on how efficiently LiveCode handles
>this code - which is very different to the native scrolling mechanisms
>of iOS itself.
>
>Regards,
>
>Charles
>
>> Cheers
>> 
>> --
>> Monte Goulding
>> 
>> M E R Goulding - software development services
>> mergExt - There's an external for that!
>> 
>> 
>> 
>> 
>> 
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