After getting dark mode, dark-light fashion icon doesn't get old again?

[saklanmazozgur]

As I mentioned in the question, the moon icon appears at the bottom left when in light mode. When in dark mode, this icon turns to the sun. If I switch to Light mode again, unfortunately the icon does not change.

[saklanmazozgur]

If I do not set the brightness property as below, it does not return to light mode after switching to dark mode.

return GetMaterialApp(
    debugShowCheckedModeBanner: false,
    theme: ThemeData(
      brightness: Brightness.light,
      useMaterial3: true,
      colorSchemeSeed: Colors.red,
    ),
    darkTheme: ThemeData(
      brightness: Brightness.dark,
      useMaterial3: true,
      colorSchemeSeed: Colors.blue,
    ),
    home: const MyHomePage(
      title: '',
    ),
  );

[saklanmazozgur]

It doesn't change because you set ThemeSwitcherButton to const in nav_rail. The issue was resolved when the const expression was removed.

[egortabula]

Hi there, that's odd because I have not encountered that issue before. Have you tried running the example code that I provided?

[egortabula]

in witch platform you get this bug?

[saklanmaz]

In the code you provided, brightness is set. If you do not adjust the brightness, there is no change. I didn't understand what caused it. The problem seems to be related to flutter and not yours.