getThemeMode method

@override Future<ThemeMode> getThemeMode()

Implementation

@override
Future<ThemeMode> getThemeMode() async {
  try {
    final index = _prefs.getInt(_themeKey);
    return index != null ? ThemeMode.values[index] : ThemeMode.system;
  } catch (e) {
    return ThemeMode.system;
  }
}