pointToPosition() does exactly what it was meant to do: it converts a point to a position, that is an index inside your adapter. And it would be a terrible API on the Adapter itself.
To get the index of a view using pointToPosition() just subtract getFirstVisiblePosition(). On Mon, Sep 14, 2009 at 1:01 PM, Justin Anderson <[email protected]> wrote: > I think we are going to have to agree to disagree on this one. :) > >> You are confusing views and items from the adapter. > > I don't believe I am. Initially I did not realize that the Gallery only has > visible items as children. I understand that now. AFAICT, this was not > documented anywhere... Hence the confusion. > >> > If I have 20 items, and scroll to the 16th... then that means items 14 - >> > 18 >> > are visible. Which in turn means that according to the gallery the item >> > at >> > position 0 is really the 14th and the item at position 5 is really the >> > 18th? If that is the case, what can I do to get the view I want? > >> No, it means the View at index 0 shows the data of the item at >> position 14 in your adapter. > > That is what I meant... I just didn't describe it as well as you did. > > I believe that since the gallery deals with displaying views and the > pointToPosition() method deals with a point on the screen that it should > return the index of the view at that point, rather than the index of the > data array. I think it would be better to have that functionality on the > adapter, rather than the gallery. > > Thank you for your help. It has helped me understand how things work and I > now know how to proceed to get the results I want. > > Thanks, > Justin > > On Mon, Sep 14, 2009 at 1:25 PM, Romain Guy <[email protected]> wrote: >> >> You are confusing views and items from the adapter. >> >> > If I have 20 items, and scroll to the 16th... then that means items 14 - >> > 18 >> > are visible. Which in turn means that according to the gallery the item >> > at >> > position 0 is really the 14th and the item at position 5 is really the >> > 18th? If that is the case, what can I do to get the view I want? >> >> No, it means the View at index 0 shows the data of the item at >> position 14 in your adapter. You can use getFirstVisiblePosition() to >> convert back and forth between index and positions. >> >> -- >> Romain Guy >> Android framework engineer >> [email protected] >> >> Note: please don't send private questions to me, as I don't have time >> to provide private support. All such questions should be posted on >> public forums, where I and others can see and answer them >> >> > > > > > -- Romain Guy Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~----------~----~----~----~------~----~------~--~---
