[android-developers] Re: Problem with getChildCount method???

[narendrasingh.bi...@gmail.com]

What if we have to find a single view down in the list

On Jun 3, 7:20 pm, Streets Of Boston <flyingdutc...@gmail.com> wrote:
> You have to do this through your BaseAdapter.
> Make sure that your BaseAdapter's individual elements/items have a
> variable that can determine if one is checked or not.
>
> If you want to check-mark all your list-item item's, run through every
> element in your BaseAdapter. Set every element to 'isChecked' (or call
> whatever variable/method is available on your element's class to make
> it checked).
>
> Then call the BaseAdapter's 'notifyDataSetChanged()'.
> This will cause your BaseAdapter's method 'getView(....)' to be called
> for all (visible) list-items:
>    Using the 'position' (paramater of 'getView'), get the
> BaseAdapter's element on that position.
>    Then query that element: if it is checked, check the list-view-
> item's checkbox.
>                             If not, clear this checkbox.
>
> On Jun 2, 12:27 am, dark_messiah <ricky.dreamwea...@gmail.com> wrote:
>
>
>
> > I have problem...i m using a base adapter for binding a data from
> > array to listview....the listview has a checkbox with it...i wanted to
> > create a menu to select all or deselect all view inside that
> > list...but the getchildCount method is behaving abnormally..i m not
> > able to get the correct child count...can anybody help me plz......???
>
> > ..................................................
> > ..................................................
> > public boolean onOptionsItemSelected(final MenuItem item) {
> >             if (item == mSelectAllItem ) {
>
> >             LayoutInflater      mInflater = LayoutInflater.from(this);
> >             View view = (View)mInflater.inflate(R.layout.list_item,
> > null);
>
> >                 ListView listView = getListView();
>
> >             int listItemCount = listView.getChildCount();
> >             int listItemCount1 = listView.getCount();
> >             System.out.println("<<<<<<<<<Child Count in select
> > all>>>>>>>>>>"+listItemCount);
> >             System.out.println("<<<<<<<<< Count in select
> > all>>>>>>>>>>"+listItemCount1);
> >             for( int j=0;j<listItemCount;j++ )
> > {
> >                 CheckBox cbox=(CheckBox)((View)listView.getChildAt
> > (j)).findViewById(R.id.alarmButton);
> >                 if( !cbox.isChecked() ) {
> >                      cbox.setChecked(true);
> >                      System.out.println("TRUE");
> >                  } else {
> >                          System.out.println("FALSE");
> >                  }
> >             }
>
> >         return true;
> >       }- Hide quoted text -
>
> - Show quoted text -
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