Ok-ok, I gotcha what you mean. But with such position to developers you will never make android lead platform. Sory, if I speak the truth boldly.
On 28 апр, 19:44, 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 > > ... > > продолжение >> --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---