Web vs Native (was Re: HTML5 limitations?)

[jonathandlynch at gmail.com]

Hi Jim,

One can have interruptible animations by using a handler that progresses the movement a single step, then calls itself using a send-in-time construction to initiate the next step.

I recently posted a momentum scrolling script on this list that uses this technique. Does that help?

Sent from my iPhone

> On Jul 29, 2017, at 2:51 PM, Jim Lambert via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
>> On 7/28/17 1:14 PM, Mark Waddingham via use-livecode wrote:
>> 
>> I think the first thing we would need would be builtin 
>> gesture support. In this case, this isn't even 'a gesture has happened' 
>> but 'it looks like a swipe is just starting' (I think at least). e.g. 
>> swipeBegin / swipeContinue / swipeEnd / swipeCancel.
>> 
>> We'd probably also want a 'swipe' message at the end - i.e. there are 
>> cases where it is the fact that 'swipe' has happened that you want, and 
>> not the details of the process it went through (perhaps swipeEnd would 
>> be fine here, though).
>> 
>> I do like the idea of having the animation of a gesture in the UI being 
>> tied to the event - its a nice low-code approach for a very common 
>> problem.
> 
> How might LC support interactive and interruptible animations as shown in this video on Advanced Animations with UIKit?
> https://developer.apple.com/videos/play/wwdc2017/230/ <https://developer.apple.com/videos/play/wwdc2017/230/>
> 
> This capability is generally applicable to any animation using UIKit. Even non-moving transitions, such as blurring, are supported in an interactive way.
> If supported by LC, it would be useable beyond just moving from card to card or swiping out a sidebar.
> 
> But of course, the particular capability shown in the video is OS-specific. Whereas LC strives to be platform agnostic.
> 
> Jim Lambert
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