@Override
public boolean onPreferenceTreeClick(PreferenceScreen ps, Preference p) {
ListPreference l = (ListPreference) p;
for (Codec c : codecs)
if (c.key().equals(l.getKey())) {
c.init();
if (!c.isLoaded()) {
l.setValue("never");
c.fail();
l.setEnabled(false);
l.setSummary(l.getEntry());
if (l.getDialog() != null) l.getDialog().dismiss();
}
}
return super.onPreferenceTreeClick(ps, p);
}
