How to enable a preference in my android application when other preference is disabled?

Question

I have used PreferenceActivity to have preference in my android application. I want one preference say \"pref 2\" to be enabled when other preference say \"pref

Answer 1

I don't think there's any out-of-the-box solution for it, i.e. an inverted dependancy attribute. But there's always the click-listener:

preference1.setOnPreferenceClickListener(pref1_click);

....

private OnPreferenceClickListener pref1_click = new OnPreferenceClickListener() {
    public boolean onPreferenceClick(Preference preference) {
        preference2.setEnabled(!preference1.isChecked());
        return true;
    }
}