How To Create Image Rotate Animation Using Flutter Android App

import 'package:flutter/material.dart';
void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
        home: Scaffold(
          appBar: AppBar(
            backgroundColor: Colors.amber,
            title: Text('Rotate Image'),
          ),
            backgroundColor: Colors.white,
            body: Center(
                child: RotateImage()
            )
        )
    );
  }
}

class RotateImage extends StatefulWidget {
  @override
  RotateImageState createState() => new RotateImageState();
}

class RotateImageState extends State
    with SingleTickerProviderStateMixin {
  AnimationController animationController;
  @override
  void initState() {
    super.initState();
    animationController = new AnimationController(
      vsync: this,
      duration: new Duration(seconds: 5),
    );
    animationController.repeat();
  }
  stopRotation(){
    animationController.stop();
  }
  startRotation(){
    animationController.repeat();
  }

  @override
  Widget build(BuildContext context) {
    return Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[
          Container(
              color: Colors.white,
              alignment: Alignment.center,
              child: AnimatedBuilder(
                animation: animationController,
                child: Container(
                  height: 150.0,
                  width: 150.0,
                  child: Container(
                    height: 200,
                    width: 200,
                    decoration: BoxDecoration(
                      shape: BoxShape.circle,
                      image: new DecorationImage(
                          fit: BoxFit.cover,
                          image: new AssetImage(
                              "assets/download.jpg")
                      ) ,
                    ),
                  )
                ),
                builder: (BuildContext context, Widget _widget) {
                  return Transform.rotate(
                    angle: animationController.value * 6.3,
                    child: _widget,
                  );
                },
              )),

          Container(
              margin: const EdgeInsets.fromLTRB(20, 10, 20, 10),
              child:
              RaisedButton(
                onPressed: () => startRotation(),
                child: Text(' Start Rotation '),
                textColor: Colors.white,
                color: Colors.amber,
                padding: EdgeInsets.fromLTRB(12, 12, 12, 12),
              )
          ),

          Container(
              margin: const EdgeInsets.fromLTRB(20, 10, 20, 10),
              child:
              RaisedButton(
                onPressed: () => stopRotation(),
                child: Text(' Stop Rotation '),
                textColor: Colors.white,
                color: Colors.amber,
                padding: EdgeInsets.fromLTRB(12, 12, 12, 12),
              )
          ),

        ]);
  }
}