<ListPreference
 android:entries="@array/listOptions2"
 android:entryValues="@array/listValues2"
 android:key="listprefrefresh"
 android:summary="set Refresh The Applciation"
 android:title="Set TIme Intervale" />

    <item>10 </item>
    <item>30</item>

</integer-array>
<integer-array name="listValues2">
    <item>10000</item>
    <item>30000</item>
</integer-array>

public static final String PREF_BEER_SIZE2 = "listprefrefresh"; Preference beerPref2 = (Preference) findPreference(PREF_BEER_SIZE2); beerPref2 .setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {

                public boolean onPreferenceChange(Preference preference,
                        Object newValue) {
                    // TODO Auto-generated method stub

                    final ListPreference listrefresh = (ListPreference) preference;
                    final int idx = listrefresh
                            .findIndexOfValue((String) newValue);

                    if (idx == 0 ) {
                        handler.post(timedTask);

                        //


                    } else if (idx == 1) {
                        // System.out.println("2");

                    } 
                    return true;
                }
            });

This is my code i want Pass Time how can i implement right now? I am passing Integr value.please tell me