We have three times same value of pure the magical-generated position
and the official answer "it is NOT a bug". Ok, than I am Al Pacino.
Why not to post algorithm of position generating? That looks fishy...
On Apr 28, 7:44 pm, Romain Guy <romain...@google.com> wrote:
> No, you are just making assumptions about how it should work. Nowhere
> does it say that it should work the way you want it to work, that's
> not how it works and that's not how it will work.
>
> 2009/4/28 Illidane <illid...@gmail.com>:
>
>
>
>
>
> > To Romain Guy:
> > Ok, I understood that you think that it's NOT a bug and that you
> > implement it how you want it be.
> > But I need to say you, that in such situation is very hard, or
> > sometimes is impossible to write good, stable, beauty, useful and
> > competitive apps for Android, not only for me, but for all Android
> > programmers.
> > And I think you know that.
>
> > On 28 апр, 18:53, Romain Guy <romain...@google.com> wrote:
> >> I am from the Google team (and I did implement a lot of GridView and
> >> ListView) and it is NOT a bug. GridView and ListView can call
> >> getView() out of order and more times than the number of views that
> >> will fit on screen, depending how the Grid/ListView is measured/laid
> >> out.
>
> >> 2009/4/28 yarik...@gmail.com <yarik...@gmail.com>:
>
> >> > I have exactly same problem. Why do we have 102 values of position
> >> > when there is only 100 cells displayed on screen?
> >> > "position is changed like: 0, 0, 1, 2, 3... 99, 0" - what is the cause
> >> > of that? Can someone from google team answer?
> >> > That seems to be a bug, very annoying bug. Answer "It's not a bug" is
> >> > not answer! How do you generate position?
>
> >> > On Apr 27, 9:40 pm, Illidane <illid...@gmail.com> wrote:
> >> >> There is a way to make GridView without Adapter ( e.g. something
> >> >> like .addView() method ) ?
>
> >> >> On 27 апр, 21:38, Illidane <illid...@gmail.com> wrote:
>
> >> >> > My GridView shows all 100 cells on the screen ( all visible at one
> >> >> > moment )
> >> >> > and all the animation works fine, and pretty fast ( on all 100
> >> >> > elements ),
> >> >> > but than begin problems with last cell.
> >> >> > Animation not child-view's. Each cell is a imageView with animation on
> >> >> > it.
>
> >> >> > On 27 апр, 20:43, Streets Of Boston <flyingdutc...@gmail.com> wrote:
>
> >> >> > > It's not buggy. I use the adapters and grid/list-views in my apps
> >> >> > > and
> >> >> > > they work fine. I think they are not designed for your purpose.
>
> >> >> > > e.g. If your adapter has 100 elements and the grid/list-view only
> >> >> > > shows about 15 at a time on the screen, the getView is called about
> >> >> > > 15
> >> >> > > times. Sometimes more times, depending whether a little bit (a few
> >> >> > > pixels) of the top or bottom child-view become visible or not. Then,
> >> >> > > when you start scrolling, getView gets called again and again when
> >> >> > > child-views become visible and others become invisible.
>
> >> >> > > Also, seriously consider re-using the convertView for your grid- or
> >> >> > > list-view. My experience is that it can really slow down your app if
> >> >> > > you just return new View instances for each child-view/cell:
> >> >> > > public ... getView(....) {
> >> >> > > View view = convertView != null ? convertView :
> >> >> > > createNewView(...);
> >> >> > > ...
> >> >> > > ...
> >> >> > > return view;
>
> >> >> > > }
>
> >> >> > > The implementation of the adapter+listviews does not need to rely on
> >> >> > > the order in which the getView is called. As long as it is called
> >> >> > > for
> >> >> > > every child-view that becomes visible.
>
> >> >> > > Isn't is possible to start a child-view's (cell's) animation when
> >> >> > > you
> >> >> > > handle it the getView(...) method?
>
> >> >> > > If you really want at least 100 child-views/cells to be created (i
> >> >> > > won't recommend it... it's a LOT), you can override the Adapter's
> >> >> > > getViewTypeCount() and getItemViewType(int pos). Even with this, I'm
> >> >> > > still not sure if getView would get called in the order you want.
>
> >> >> > > ...
> >> >> > > private static int EXPECTED_CELL_COUNT = 100;
>
> >> >> > > public int getViewTypeCount() { return EXPECTED_CELL_COUNT; }
> >> >> > > public int getItemViewType(int pos) { return pos %
> >> >> > > EXPECTED_CELL_COUNT; }
>
> >> >> > > On Apr 27, 1:07 pm, Illidane <illid...@gmail.com> wrote:
>
> >> >> > > > And you think it's not a bug? where is guarantee that it will
> >> >> > > > work in
> >> >> > > > general?
> >> >> > > > Where adapter takes it's magic number N?
>
> >> >> > > > On 27 апр, 19:56, Romain Guy <romain...@google.com> wrote:
>
> >> >> > > > > There is no guarantee it's going to be called N times either.
>
> >> >> > > > > 2009/4/27 Illidane <illid...@gmail.com>:
>
> >> >> > > > > > Even with convertView problem is still same - last cell is not
> >> >> > > > > > animating.
> >> >> > > > > > And... you said WHEN getView()... I think it's no matter,
> >> >> > > > > > matter HOW
> >> >> > > > > > MANY times getView() called.
> >> >> > > > > > It calls more than 100 times, whats very strange.
> >> >> > > > > > For the first time it's called 102 times and all animations
> >> >> > > > > > was
> >> >> > > > > > working. For the second and next times it was 101, and last
> >> >> > > > > > animation
> >> >> > > > > > was static.
> >> >> > > > > > I think where is some bug regularity...
>
> >> >> > > > > > On 27 апр, 19:31, Romain Guy <romain...@google.com> wrote:
> >> >> > > > > >> You should ALWAYS reuse the convertView, oherwise you're
> >> >> > > > > >> gonna eat up
> >> >> > > > > >> memory and just slow down your app. And like I said, there
> >> >> > > > > >> is no
> >> >> > > > > >> guarantee on how and when getView() is called so you cannot
> >> >> > > > > >> rely on it
> >> >> > > > > >> with your anim counter.
>
> >> >> > > > > >> 2009/4/27 Illidane <illid...@gmail.com>:
>
> >> >> > > > > >> > I dont use convertView parametr and return new child-view.
>
> >> >> > > > > >> > Each cell has an animation. In the getView I generate an
> >> >> > > > > >> > array of
> >> >> > > > > >> > animations, wich I start when the adapter stops his work (
> >> >> > > > > >> > e.g. when
> >> >> > > > > >> > my mAnimCounter == 102 ( but need be max 100, lol ) When I
> >> >> > > > > >> > run app,
> >> >> > > > > >> > all 100 cells are animated. But when I re-check the field
> >> >> > > > > >> > as I need
> >> >> > > > > >> > and call mGameGrid.setAdapter(mAdapter), new animations
> >> >> > > > > >> > working, but
> >> >> > > > > >> > last. Last cell are NOT animated. Problem can be only in
> >> >> > > > > >> > getView and
> >> >> > > > > >> > method how it works. I very doubt that it's not a bug of
> >> >> > > > > >> > GridView or
> >> >> > > > > >> > Adapter.
>
> >> >> > > > > >> > On 27 апр, 18:59, Streets Of Boston
> >> >> > > > > >> > <flyingdutc...@gmail.com> wrote:
> >> >> > > > > >> >> The child/item-views in list-views and grid-views are
> >> >> > > > > >> >> re-used
> >> >> > > > > >> >> (convertView input parameter). I suspect that depending
> >> >> > > > > >> >> on the layout/
> >> >> > > > > >> >> measurements/visibility of the child-views and the way
> >> >> > > > > >> >> you implement
> >> >> > > > > >> >> getView (re-using convertView or ignoring it and
> >> >> > > > > >> >> returning a brand-new
> >> >> > > > > >> >> child-view every time), the order in which these
> >> >> > > > > >> >> child-views are
> >> >> > > > > >> >> called (value of 'position' parameter in the getView
> >> >> > > > > >> >> method) can be
> >> >> > > > > >> >> random.
>
> >> >> > > > > >> >> On Apr 27, 11:30 am, Illidane <illid...@gmail.com> wrote:
>
> >> >> > > > > >> >> > Why number of getView calls is different??
> >> >> > > > > >> >> > One time it's 102 ( but need to be 100 ) and the second
> >> >> > > > > >> >> > and greater is
> >> >> > > > > >> >> > 101.
>
> >> >> > > > > >> >> > On 27 апр, 18:15, Romain Guy <romain...@google.com>
> >> >> > > > > >> >> > wrote:
>
> >> >> > > > > >> >> > > It's not a bug. There's no guarantee in the order of
> >> >> > > > > >> >> > > the calls wrt to
> >> >> > > > > >> >> > > the position value. It also depends on how the
> >> >> > > > > >> >> > > GridView is
> >> >> > > > > >> >> > > measured/laid out.
>
> >> >> > > > > >> >> > > On Mon, Apr 27, 2009 at 6:38 AM, Illidane
> >> >> > > > > >> >> > > <illid...@gmail.com> wrote:
>
> >> >> > > > > >> >> > > > Hi,
> >> >> > > > > >> >> > > > I'm using GridView in my app, and myAdapter (
> >> >> > > > > >> >> > > > extends BaseAdapter) for
> >> >> > > > > >> >> > > > it. I have overrited method getView(int position,
> >> >> > > > > >> >> > > > View convertView,
> >> >> > > > > >> >> > > > ViewGroup parent) of Adapter and 100 cells in
> >> >> > > > > >> >> > > > GridView.
>
> >> >> > > > > >> >> > > > If I set logger:
> >> >> > > > > >> >> > > > android.util.Log.w("bla", (new
> >> >> > > > > >> >> > > > StringBuilder()).append
> >> >> > > > > >> >> > > > (position).toString()); where is in the getView
> >> >> > > > > >> >> > > > then I'll see that
> >> >> > > > > >> >> > > > position is changed like: 0, 0, 1, 2, 3... 99, 0.
> >> >> > > > > >> >> > > > -WTF? ( thats for
> >> >> > > > > >> >> > > > the first time) and then I call
> >> >> > > > > >> >> > > > mGameGrid.setAdapter(mAdapter) and
> >> >> > > > > >> >> > > > position is going: 0, 0, 1, 2, 3...99.
> >> >> > > > > >> >> > > > I think it's a bug of BaseAdapter, isn't it?
>
> >> >> > > > > >> >> > > --
> >> >> > > > > >> >> > > Romain Guy
> >> >> > > > > >> >> > > Android framework engineer
> >> >> > > > > >> >> > > romain...@android.com
>
> >> >> > > > > >> >> > > 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- Hide quoted text -
>
> >> >> > > > > >> >> > - Show quoted text -
>
> >> >> > > > > >> --
> >> >> > > > > >> Romain Guy
> >> >> > > > > >> Android framework engineer
> >> >> > > > > >> romain...@android.com
>
> >> >> > > > > >> 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
> >> >> > > > > romain...@android.com
>
> >> >> > > > > 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- Hide
> >> >> > > > > quoted text -
>
> >> >> > > > - Show quoted text -
>
> >> --
> >> Romain Guy
> >> Android framework engineer
> >> romain...@android.com
>
> >> Note: please don't send private questions to me, as I don't have time
> >> to...
>
> read more >>
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