The answer I provided does indeed work with addPreferencesFromResource(R.xml.preferences).
You will however need to specify your custom ListPreference in the preferences.xml, for example: <com.acme.AcmeListPreference ... /> If you want to use a ready-made Preference class then please file a RFE on the Issues list. Joe On Mar 6, 1:36 pm, Petroleum Nasby <[email protected]> wrote: > This actually isn't an answer to the question. > > I wanted to know if there was a way to do this without reimplementing > all the the > work done in addPreferencesFromResource in Java and Layouts. > > Android encourages you to use the XML PreferencesScreen framework so that > you don't have to reimplement extensive preference screens in Java. This makes > preference screens retain look and feel between applications. > Furthermore, Android > (or a device manufacturer, particularly if the device is unusual form > factor) can > tweak the look and feel of such screens and such changes would be effective > across most Android applications. > > It appears to me, that if you don't want users to have to click-through to see > the current value of a ListPreference, you can't use this wonderful framework. > > I'd like to know if I can use the PreferencesScreen for this commonly needed > request. I already knew I could implement it from scratch if I wanted > to, but that > not only seems wasteful, it completely misses the advantages of using > PreferencesScreen in the first place. > > P. V. Nasby > > On Sat, Mar 6, 2010 at 1:00 PM, joebowbeer <[email protected]> wrote: > > You can customize ListPreference and call setSummary(getEntry()) in > > the onBindView and setValue overrides. > > > See AndroidSnippets #34 example: > > >http://www.androidsnippets.org/snippets/34/ > > > On Mar 6, 3:54 am, Petroleum Nasby <[email protected]> wrote: > >> I have an XML preferences screen which is handled by > >> addPreferencesFromResource. > > >> On it, there is a ListPreference, for which I want the summary to > >> contain the current > >> value of that preference. I think this would be a common requirement, > >> as otherwise > >> you could not see the present value of the preference without expending a > >> click. > > >> I read that the summary field supports resource references, and I see that > >> I can > >> refer to preferences as android:summary="@+preference/prefname" in my > >> ListPreference. > > >> Clearly this is why resource references would be supported in this field. > > >> However, when I try this, instead of the present value of prefname, the > >> text > >> "false" appears as the summary. > > >> Does anybody know how to display a current value without taking the > >> seemingly > >> ridiculous step of rewriting the entire (large) preference screen in Java? > > >> I hope I have overlooked something simple. > > >> P. V. Nasby > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
