/**
* Sets up the UserPreferences class.
*
* @throws IllegalArgumentException if context is null
*/
public static void createInstance(Context context) {
Log.d(TAG, "Creating new instance of UserPreferences");
Validate.notNull(context);
instance = new UserPreferences(context);
createImportDirectory();
createNoMediaFile();
PreferenceManager.getDefaultSharedPreferences(context)
.registerOnSharedPreferenceChangeListener(instance);
}
