There's nothing wrong with this, it can (and it will in some situations) happen. getView() is not guaranteed to be called exactly once per item. It happens for instance when you set the list/grid with a height=wrap_content.
On Wed, Sep 2, 2009 at 5:32 AM, Guitou<[email protected]> wrote: > > Exactly the same problem! > Any ideas? > > On Jul 23, 10:20 am, Ola Ingvaldsen <[email protected]> wrote: >> I am having the same problem. In my case it only happens if I specify my own >> layout using setContentView in onCreate() of my ListActivity. If i use the >> standard layout i get correct number of calls to getView. >> >> The thing is that if I have 5 items in my list i suspect the first 5 calls >> to getView to have convertView=null each time. But its not. First time its >> null, then the next 5 calls have the same convertView as the previous call >> and then 5 more calls where the convertView is null. So the first 6 calls >> to getView only results in changing the first element 5 times more than >> whats necessary. After the 5 first calls the convertView is null and the >> rest of the items in the list are filled out correctly. But when i scroll >> down the list, we have 10 more calls again. >> >> Does anybody have an idea whats wrong? Or how it can be avoided? >> >> I have no weights in my layout at all. Its just a simple textView with a >> status message and a listView. >> >> -Ola >> >> On Wed, Jul 15, 2009 at 4:05 PM, Streets Of Boston >> <[email protected]>wrote: >> >> >> >> >> >> > I'm not a google engineer, so i don't know the answer, but i have a >> > theory why this may happen. >> >> > In your layouts, do you use 'weights' (weightsum and layoutweight)? >> > If i remember correctly, if you use these attributes, layout-code is >> > called twice. >> > If the layout-code for a list-view includes the 'getView' then this >> > would explain it being called 4 times for 2 child views. >> >> > On Jul 15, 2:40 am, Mika <[email protected]> wrote: >> > > Hi, >> >> > > I'm having the same problem. Did you find any solutions?? >> >> > > -Mika >> >> > > On Jun 24, 7:39 pm, jabu <[email protected]> wrote: >> >> > > > Hi Everyone, >> >> > > > I am implementing my ownadapterthat inherits from BaseAdapter (this >> > > > is something very classic). >> > > > Then when I start the activity that owns the listView binded to >> > thisadapterI can see that the getView() method is called moretimesthan >> > > > what the number of view actually available in the list. >> > > > For instance, I do have 2 rows in my list and when I first set >> > theadaptergetView is called 6times. Then If I make a call to >> > > > notifyDataSetChanged(), getView is called 4times. >> > > > I understand that when you scroll up and down getView must be called >> > > > to generate or re use a view but I don't scroll up or down, I am >> > > > really wondering why getView is called so many time. >> >> > > > Thanks a lot in advance for your responses. >> > > > Jabu >> >> > > > My code just in case even though it is a pretty basic piece of code: >> >> > > > public View getView(int position, View convertView, ViewGroup >> > > > parent) >> > > > { >> > > > ViewHolder holder; >> > > > if (convertView == null) >> > > > { >> > > > convertView = >> > mInflater.inflate(R.layout.row_action, null); >> > > > // Creates a view holder >> > > > holder = new ViewHolder(); >> > > > ... >> > > > convertView.setTag(holder); >> > > > } >> > > > else >> > > > { >> > > > holder = (ViewHolder)convertView.getTag(); >> > > > } >> > > > holder.params.set.... >> > > > return convertView; >> > > > }- Hide quoted text - >> >> > > - Show quoted text - > > > -- 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 Developers" 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-developers?hl=en -~----------~----~----~----~------~----~------~--~---
