toggleTheme method

Future<void> toggleTheme()

Implementation

Future<void> toggleTheme() async {
  _themeMode = _themeMode == ThemeMode.light
      ? ThemeMode.dark
      : ThemeMode.light;
  await _storage.set(
    _themeKey,
    _themeMode == ThemeMode.dark ? 'dark' : 'light',
  );
  notifyListeners();
}