Code structure for flutter_radar_chart.

flutter_radar_chart_codeStructure.dart

class MyApp extends StatelessWidget {
  ...
  Widget build(...) {
  return MaterialApp(..., home: MyHomePage());
 }
}

class MyHomePage extends StatefulWidget {
  ...
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> with TickerProviderStateMixin {
  ...
  late final AnimationController _controller = AnimationController(...).forward();
  ...
  Widget build(...) {
  return Scaffold(..., child: RadarChartTransition(...));
  }
}

class RadarChartTransition extends AnimatedWidget {
  Widget build(...) {
      return CustomPaint(painter: RadarChartPainter(...));
  }
}

class RadarChartPainter extends CustomPainter {
  ...
  
  void paint(...) {
    ... // custom paint commands
  }

  @override
  bool shouldRepaint(...) {
    return true; // repaint whenever CustomPainter is rebuilt
  }
}