Andrew wrote:
> I have a question about the ListView.
> 
> Example:
> In a ListView, there are many items. If I press up/down key to select
> one item, what I want is show a button on the selected view, and if
> the selected item is unselected, the button will be hide.
> 
> How can I change the layout when the item gets selected?

You might not be able to wholesale change the layout, but you can make 
widgets visible/invisible/gone via setVisibility().

A heavier approach would be to make each row in the list a ViewFlipper, 
or include a ViewFlipper, so that you can swap out a button-showing and 
a button-hiding view upon selection. I would think hiding a single 
button would be less resource-intensive than using a ViewFlipper, but I 
may be wrong.

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com
_The Busy Coder's Guide to Android Development_ Version 1.1 Published!

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