RSGDoctorApp/lib/widgets/shared/loader/gif_loader_container.dart

import 'package:doctor_app_flutter/config/config.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:gif/gif.dart';

class GifLoaderContainer extends StatefulWidget {
  @override
  _GifLoaderContainerState createState() => _GifLoaderContainerState();
}

class _GifLoaderContainerState extends State<GifLoaderContainer> with TickerProviderStateMixin {
  late GifController controller1;

  @override
  void initState() {
    controller1 = GifController(vsync: this);

    WidgetsBinding.instance.addPostFrameCallback((_) {
        controller1.repeat(period: Duration(milliseconds: 750), reverse: true);
    });
    super.initState();
  }

  @override
  void dispose() {
    controller1.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Center(
        //progress-loading.gif
        child: Container(
      // margin: EdgeInsets.only(bottom: 40),
      child: CircularProgressIndicator(
        color: AppGlobal.appRedColor,
      ),
      // Gif(
      //   controller: controller1,
      //   image: AssetImage("assets/images/progress-loading-red.gif"), //NetworkImage("http://img.mp.itc.cn/upload/20161107/5cad975eee9e4b45ae9d3c1238ccf91e.jpg"),
      // ),
    ));
  }
}