Function handleAppearanceChange

src/core/PaperProvider.tsx:36–41

(
    preferences: Appearance.AppearancePreferences
  )

    React.useState<ColorSchemeName>(colorSchemeName);

  const handleAppearanceChange = (
    preferences: Appearance.AppearancePreferences
  ) => {
    const { colorScheme } = preferences;
    setColorScheme(colorScheme);
  };

  React.useEffect(() => {
    let subscription: NativeEventSubscription | undefined;