Equally sorry, I have no suggestions.
On Thu, Sep 22, 2011 at 6:27 PM, Eric Carman <ewcarman23@gmail.com> wrote:
> To clarify...
>
> Using the dpad left/right or trackball roll left/right doesn't
> simulate a swipe. All it does is set focus to an offscreen fragment.
> It doesn't actually change the fragment that is displayed on screen.
> (I have on screen buttons that will let the user "swipe" left/right if
> they are touch-screen challenged. I'm referring to the sample app
> because it is easier for folks to reproduce if they feel inclined.)
>
> The Android Market App doesn't do this. It appears to behave such that
> when you are on the pages that allow you to swipe left/right - the
> dpad/trackball options will let you select widgets up/down/left/right,
> but only on the on-screen fragment.
>
> Fragment #0 | Fragment #1 | Fragment #2
> <off screen>| <on screen> | <off screen>
>
> Each fragment presents a list. Scrolling left/right will move the
> focus between each of these fragments without changing which one is on
> screen. Selecting an item while the focus is off screen, will select
> whatever happens to be focused on the offscreen fragment. Not a great
> experience.
>
> To address your suggestions. I suppose it would be possible to trap
> the focus using the nextFocus<direction> options. The tricky part then
> is to know that your fragment has been made the on-screen fragment.
>
> The V4 (rel 3) compatibility library doesn't seem to expose that
> feature - or I've missed it completely. There doesn't appear to be an
> onChange type listener that let's me know when the fragment was
> changed. But I suppose that is a question for another post.
>
> In any event, it seems like this navigation paradigm is a little dodgy
> if it was intended to allow the user to select offscreen fragments and
> act on them.
>
> Thank you for your quick response.
>
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