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 <[email protected]> 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;
> }
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