環境情報

❯ flutter --version
Flutter 3.24.3 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 2663184aa7 (5 weeks ago) • 2024-09-11 16:27:48 -0500
Engine • revision 36335019a8
Tools • Dart 3.5.3 • DevTools 2.37.3

# pubspec.yml
dependencies:
  flutter:
    sdk: flutter
  rounded_loading_button: ^2.1.0

エラーメッセージ

Launching lib/main.dart on iPhone 16 Pro in debug mode...
Xcode build done.                                           18.2s
Failed to build iOS app
Error (Xcode): ../../../.pub-cache/hosted/pub.dev/rounded_loading_button-2.1.0/lib/rounded_loading_button.dart:197:11: Error: No named parameter with the name 'onSurface'.

Could not build the application for the simulator.
Error launching application on iPhone 16 Pro.

Exited (1).

解決方法

ライブラリのリポジトリのmasterブランチを指定する

# pubspec.yml
dependencies:
  flutter:
    sdk: flutter
- rounded_loading_button: ^2.1.0
+ rounded_loading_button:
+   git:
+     url: https://github.com/scopendo/flutter_rounded_loading_button.git
+     ref: master