How To Repeat Same Animation In Flutter Android App

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      home: RepeatAnimation(),
    );
  }
}

class RepeatAnimation extends StatefulWidget {
  @override
  _RepeatAnimationState createState() => _RepeatAnimationState();
}

class _RepeatAnimationState extends State<RepeatAnimation>
    with SingleTickerProviderStateMixin {
  AnimationController animationController;
  Animation<double> animation;

  @override
  void initState() {
    super.initState();
    animationController = AnimationController(
      vsync: this,
      duration: Duration(seconds: 5),
    )..addListener(() => setState(() {}));
    animation = Tween<double>(
      begin: 50.0,
      end: 200.0,
    ).animate(animationController);

    animationController.forward();

    animation.addStatusListener((status) {
      if (status == AnimationStatus.completed) {
        animationController.repeat();
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        centerTitle: true,
          backgroundColor: Colors.indigo,
          title: Text("Repeat Same Animation")),
      body: Center(
        child: Container(
          child: Center(
            child: Text("BajarangiSoft.com",style:
            TextStyle(color: Colors.white,fontSize: 18
            )),
          ),
          color: Colors.indigo,
          height: animation.value,
          width: animation.value,
        ),
      ),
    );
  }
}