Something odd happens when I use goTo()... The list (a CellList), will
scroll so that the selected item is at the bottom of the screen. I have no
scrolling code, and I don't understand why goTo() makes this happen. I'm
even checking if the item has been selected and not reselecting it.


On Mon, Jul 8, 2013 at 5:04 PM, Thomas Broyer <[email protected]> wrote:

>
>
> On Monday, July 8, 2013 6:38:29 PM UTC+2, Joel wrote:
>>
>>
>> We are using the MVP pattern, and have a page with a selectable list.
>> Each time an item is selected, we would like the URL to reflect the
>> selection. Initially, the code used placeController.goTo() whenever an item
>> was selected. However, we did not expect the activity's start() method to
>> be called since its the same activity.
>>
>> Right now, that code is a bit heavier-weight (reloads the list) as I
>> believe is expected to be the case with activities. Is there a way to
>> refresh the URL without the activity being recalled, or is there a
>> different way we should be going about this?
>>
>> Looking more for thoughts on methodology than a quick-fix... or maybe
>> something is amiss about the start() method being called?
>>
>
> What Jens' answer is implying is: if your ActivityMapper returns the same
> Activity instance (same instance, comparable to the previously returned
> instance with == ) then it won't be stopped/started by the ActivityManager.
> FilteredActivityMapper and CachingActivityMapper are there to help you set
> up such a thing without worrying about caching the activity from within
> your ActivityMapper, but you can also do it yourself by hand.
>
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