gistfile1.txt

    @Override
    public void onResume() {
        super.onResume();

        PreferenceManager.getDefaultSharedPreferences(getContext())
                .registerOnSharedPreferenceChangeListener(this);
    }

    @Override public void onPause() {
        super.onPause();

        PreferenceManager.getDefaultSharedPreferences(getContext())
                .registerOnSharedPreferenceChangeListener(this);
    }

    @Override
    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
        fetchPosters();
    }