I found that this worked for every preference I had that persisted a
value, but the 'Clear Cache' button doesn't seem to work. I tried
extending DialogInterface then using this code:
public void onClick(DialogInterface dialog, int which) {
if(which == DialogInterface.BUTTON_POSITIVE){
callChangeListener(true);
}
super.onClick(dialog, which);
}
but I still get nothing back from the preference listener. Any ideas?
By the way, I like your book a lot!
Kieran
On Nov 14, 1:38 am, Mark Murphy <mmur...@commonsware.com> wrote:
> Kieran wrote:
> > Hi,
> > I think I've missed something in how Android is supposed to work!
> > I have the main Activity with a menu option that opens thepreferences
> > screen. What I need is a way for any changes that were made to be
> > communicated back to the main Activity as soon as the preference is
> > activated. At the moment the only way I could get it working is by
> > using the intent data that gets sent back when the prefs activity
> > closes but this isn't really enough. The reason why it needs to be
> > instantaneous is that one of thepreferencesis a 'Clear cache'
> > button, so I would like the data to be deleted when the user requests
> > it and no later!
>
> Attach a preference listener:
>
> http://developer.android.com/reference/android/content/SharedPreferen...)
>
> --
> Mark Murphy (a Commons
> Guy)http://commonsware.com|http://twitter.com/commonsguy
>
> _The Busy Coder's Guide to Android Development_ Version 2.8
> Available!
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