flutter_signin_button パッケージのAppleボタン

sign_in_button_builder_apple_button.dart

final isLightTheme = Theme.of(context).brightness == Brightness.light;
SignInButtonBuilder(
  text: 'Sign in with Apple',
  backgroundColor: Colors.white,
  icon: Icons.email,
  fontSize: 19,
  textColor: Colors.black,
  // iconColor: Colors.black,
  splashColor: Colors.transparent,
  // padding: const EdgeInsets.all(0),
  // innerPadding: const EdgeInsets.all(0),
  // mini: true,
  elevation: 0,
  shape: StadiumBorder(
    side: isLightTheme ? const BorderSide(width: 1) : BorderSide.none,
  ),
  // width: MediaQuery.of(context).size.width,
  height: 44,
  image: Image.asset('assets/images/apple_logo_black.png'),
  onPressed: () => presenter.onPressedAppleButton(context),
),