public static class CachePreferenceFragment extends
            PreferenceActivity {
        @Override
        public void onCreate(Bundle savedInstanceState) {

            Log.w("DBG", "Oncreate Başladı");

            super.onCreate(savedInstanceState);
            addPreferencesFromResource(R.xml.pref_cache);

            Preference settings_delete_cache=findPreference("settings_delete_cache");
            settings_delete_cache.setOnPreferenceChangeListener(new OnPreferenceChangeListener(){

                @Override
                public boolean onPreferenceChange(Preference preference,
                        Object newValue) {
                    Log.w("DBG", "Cache Cleaned");
                    // TODO Auto-generated method stub
                    return false;
                }

            });
        }
    }