Okay so i guess this kinda makes sense I'm not really sure how am i
suppose to change my data model. I did
((TextView)adapt.getView(0, null, parent)).setText("hello");
adapt.notifyDataSetChanged();
but nothing changed ?
On Dec 2, 11:28 am, Mark Murphy <mmur...@commonsware.com> wrote:
> Of course. Again, ordinarily, you do not call getView().
>
> You are going about your problem in the wrong way. You are attempting
> to change your UI directly by grabbing some row out of a ListView and
> changing it. That's not going to be reliable at all, since that row
> might not exist. Rather, you need to change your data model (whatever
> you have an Adapter on), then update the ListView from the revised
> model. The way you would update the ListView varies by your type of
> Adapter, and it may be automatic.
>
>
>
>
>
>
>
>
>
> On Thu, Dec 2, 2010 at 2:18 PM, kiros88 <ghui...@gmail.com> wrote:
> > Okay wait so i get the concept tthat u do a getView from an
> > ArrayAdapter but what i tried this before during the
>
> > i called the adapter i used
> > ArrayAdapter adapt = new
> > ArrayAdapter<String>(this,android.R.layout.simple_list_item_1 ,
> > songs);
>
> > then after its already created i do
>
> > public void onItemClick(AdapterView<?> parent, View view,
> > int position, long id) {
>
> > ((TextView)adapt.getView(position+1,null,parent)).setText("hello");
>
> > And this doesnt work it crashes the app
>
> > On Dec 2, 11:06 am, kiros88 <ghui...@gmail.com> wrote:
> >> Okay like where do u gets getView I dont see that function in the
> >> Listview class or the adapterView class so im not really sure where im
> >> suppose to be able to call getView.
>
> >> On Dec 1, 7:54 pm, Prakash Iyer <thei...@gmail.com> wrote:
>
> >> > My 2c - you are over-complicating this.The getView is ONLY to give back
> >> > the
> >> > view for the item that is requested. If you want this item to be colored
> >> > X
> >> > then do it here. If you want another item to be colored Y then do it when
> >> > getView is called for that item. The state maintenance, i.e. what is X
> >> > or Y
> >> > is done independent of the code within getView which needs to just return
> >> > the View...
>
> >> > As for the specific text, if you are returning a TextView t, then
> >> > t.setText
> >> > would work.
>
> >> > On Wed, Dec 1, 2010 at 9:14 PM, kiros88 <ghui...@gmail.com> wrote:
> >> > > Okay i dont want to get to many ppl confused so im going to try to ask
> >> > > this very simply. When android goes to this function when a user
> >> > > clicks on a item on your listview. basically u get a parent who im
> >> > > assuming is the array of textview that was set up during the
> >> > > setAdapter phase and view which the the corresponding View to which
> >> > > the user touched. My main and only questions is i know i can adjust
> >> > > the view of View by saying stuff like
>
> >> > > (TextView)view = setText("hello")
>
> >> > > during the same time i want to beable to change another TextView in
> >> > > the AdapterView like the View after the "View view" so i guess view
> >> > > +1 i want to also be able to change that view into another word.
>
> >> > > Please dont ask me y im doing this just that im doing it for a reason
> >> > > I just really need help and i hope this explains that During the
> >> > > onItemClick listener function basically I want to adjust 2 different
> >> > > Views in the arrays of Views but i have no idea how to access the any
> >> > > other view then the given "View view" thats the argument they give you
>
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>
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