code: public String loadPreference(String key, String defaultValue) {
  		String value = getSharedPreferences().getString(key, defaultValue);
  		logLoad(key, value);
  		return value;
  	}
docs: Retrieve a string value from the preferences.
  
  @param key The name of the preference to retrieve
  @param defaultValue Value to return if this preference does not exist
  @return the preference value if it exists, or defaultValue.