How to theme OutlinedButton?

you can set outlined button themes as below since flutter version 1.20. Refer below code segment

return MaterialApp(
      home: Home(),
      theme: ThemeData.from(
        colorScheme: ColorScheme.light(),
      ).copyWith(
        outlinedButtonTheme: OutlinedButtonThemeData(
          style: OutlinedButton.styleFrom(
            primary: Colors.purple,
            backgroundColor: Colors.green,
          ),
        ),
      ),
    );