setUseFlexColorScheme method
Implementation
void setUseFlexColorScheme(bool? value, [bool notify = true]) {
if (value == null) return;
if (value == _useFlexColorScheme) return;
_useFlexColorScheme = value;
if (notify) notifyListeners();
unawaited(_themeService.save(Store.keyUseFlexColorScheme, value));
}