On Apr 3, 3:57 am, "lee.t" <[EMAIL PROTECTED]> wrote:
> Seems there have been a lot of questions regarding the selection model
> for the spinner (ie - no OnItemClicked, only OnItemSelected listeners,
> making it difficult to use callbacks which respond to 'final' item
> selection and not every 'browsing' selection in between). Most
> proposed solutions to this involve catching key events etc... has
> anyone come up with anything better than this?
>
> As I sit here (without my eclipse IDE, so I can't try it myself :( )
> I'm wondering if it isn't possible to detect the state of the spinner
> (ie - expanded as drop-down, vs collapsed 'left-right/up-down'
> selection). I'm assuming we can do this by taking advantage of the
> 'state' methods available for the View class and the
> 'state_dropdown_showing' constant mentioned in issue 330 (are these
> applicable/supported in this instance?)
>
> Presumably we might have something like this for a Spinner object
> named 's':
>
> // s.setOnItemSelectedListener(new
> Spinner.OnItemSelectedListener(){
> // public void onItemSelected(AdapterView parent, View
> v, int position, long id) {
> // int[] state = v.getDrawableState();
> // for(int i=0; i<state.length; i++){
> // if(state[i]==R.attr.stat_dropdown_showing){
> // // just bail because we want to ignore
> this 'browsing' selection...
> // return;
> // }
> // }
> // // assuming that we're not showing a dropdown,
> do callback on fired selection
> // // (presumably this is a 'left-right/keyup-
> keydown' selection)
> // doCallback();
> // }
> //
> // public void onNothingSelected(AdapterView arg0) {
> // // do nothing
> // }
> // });
>
> Has anybody tried this? I'd be curious to know if it might work...
> I'm assuming that there's a risk here of losing the selection we're
> actually trying to get while the dropdown is open since presumably the
> OnItemSelected event fires while the View's state has the drop-down
> showing, even for the final selection... but I think that's wouldn't
> be too difficult to overcome if the rest of it will work...
>
> Any Android wizards out there who care to comment on the idea? Am I
> out in left field or does this have a chance of working?
> Suggestions welcome...
>
> Thanks
> Todd
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