• remove trailing space in comment for dart format compliance
• resolve all flutter analyze issues
• add some real tests to example
• fix all flutter analyze complaints for example/lib/main.dart
• fix minor pubspec.yaml flutter analyze complaints

• add documentation to public class/methods and dart format so that package can have max pub.flutter-io.cn points rating.

• Updated to modern 3.x Flutter, moved to new repo/package because of lack of maintenance on original system_settings package Renamed to system_settings_2 for pub.flutter-io.cn Tested builds/running on ios and android with new build files This version is 100% compatible with system_settings 2.1.0 from which it is based, I changed the version primarily to indicate it's renewed development support.

• Open NFC settings on Android (thanks to tolland)
• Open power options on Android (thanks to adarshnagrikar14)
• Migrate to Android embedding V2 (thanks to lp0int)

Null safety support

Initial release