flutter_signin_button パッケージのAppleボタン

sign_in_button_apple_button.dart

final isLightTheme = Theme.of(context).brightness == Brightness.light;
SignInButton(
  Buttons.Apple,
  // mini: true,
  text: 'Sign in with Apple',
  // padding: const EdgeInsets.all(0),
  shape: StadiumBorder(
    side: isLightTheme ? const BorderSide(width: 1) : BorderSide.none,
  ),
  onPressed: () => presenter.onPressedAppleButton(context),
)