How to listen for preference changes within a PreferenceFragment?

Question

As described here, I am subclassing PreferenceFragment and displaying it inside an Activity. That document explains how to listen for preference changes here, but only if yo

Answer 1

Here is one way to do it and avoid any potential memory leaks:

@Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
    addPreferencesFromResource(R.xml.pref_movies);

    SharedPreferences sharedPreferences = getPreferenceScreen().getSharedPreferences(); 

    //starts live change listener
    sharedPreferences.registerOnSharedPreferenceChangeListener(this);
}

@Override
public void onDestroyView () {
    super.onDestroyView(); 
//Unregisters listener here
    PreferenceManager.getDefaultSharedPreferences(getContext())
            .unregisterOnSharedPreferenceChangeListener(this);
}