Did u try :
<ListPreference
android:title="Colour select"
android:summary="Select your
favourite"
android:key="colour"
android:entries="@array/opts"
android:entryValues="@array/
opts_values"
android:defaultValue="@string/
a_string_equivalent_to_one_of_the_opts_values"/>
without making any other changes??
On Mar 4, 10:38 pm, gnufabio <[email protected]> wrote:
> Hi all,
>
> i need to set the defult value for a ListPreference when the Activity
> starts.
> I've tried with `ListPreference.setDefaultvalue("value");` but it
> makes the firts Entry of the List as default. I need it because i must
> check a condition and set as default the value which satisfies that
> condition, so I think it can't be done from the xml file (with
> `android:defaultValue`)
> For example, suppose I have this array of values in the arrays.xml:
>
> <string-array name="opts">
> <item>red</item>
> <item>green</item>
> <item>blue</item>
> </string-array>
>
> <string-array name="opts_values">
> <item>1</item>
> <item>2</item>
> <item>3</item>
> </string-array>
>
> In the PreferenceScreen xml:
>
> <ListPreference
> android:title="Colour select"
> android:summary="Select your
> favourite"
> android:key="colour"
> android:entries="@array/opts"
>
> android:entryValues="@array/opts_values" />
>
> In the Activity I'd like to do something like this:
>
> String mycolour;
> if (something)
> mycolour="1";
> else
> mycolour="2";
> ListPreference colour=(ListPreference) findPreference ("colour");
> colour.setDefaultValue(mycolour);
>
> But it doesn't work, because it makes the first choice as default.
> Could you explain me how to make another one as default? Thanks.
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