use betterplayer instead of chewie

lib/video_screen/videoscreen_mobile.dart

@@ -1,6 +1,5 @@
-import 'package:chewie/chewie.dart';
+import 'package:better_player/better_player.dart';
 import 'package:flutter/material.dart';
-import 'package:video_player/video_player.dart';
 
 class VideoScreenMobile extends StatefulWidget {
   const VideoScreenMobile({Key? key, required this.url}) : super(key: key);
@@ -11,27 +10,28 @@ class VideoScreenMobile extends StatefulWidget {
 }
 
 class _VideoScreenMobileState extends State<VideoScreenMobile> {
-  ChewieController? _chewieController;
+  BetterPlayerController? _betterPlayerController;
 
   @override
   Widget build(BuildContext context) {
-    if (_chewieController == null) {
+    if (_betterPlayerController == null) {
       return Column(
         crossAxisAlignment: CrossAxisAlignment.center,
         mainAxisAlignment: MainAxisAlignment.center,
         children: const [CircularProgressIndicator(), Text("loading...")],
       );
+    } else {
+      return BetterPlayer(
+        controller: _betterPlayerController!,
+      );
     }
-    return Chewie(
-      controller: _chewieController!,
-    );
   }
 
   @override
   void dispose() {
     super.dispose();
-    _chewieController?.videoPlayerController.dispose();
-    _chewieController?.dispose();
+    _betterPlayerController?.videoPlayerController?.dispose();
+    _betterPlayerController?.dispose();
   }
 
   @override
@@ -41,18 +41,12 @@ class _VideoScreenMobileState extends State<VideoScreenMobile> {
   }
 
   void _init() async {
-    final VideoPlayerController _controller =
-        VideoPlayerController.network(widget.url);
-    await _controller.initialize();
-
-    _chewieController = ChewieController(
-        videoPlayerController: _controller,
-        autoPlay: true,
-        looping: true,
-        allowFullScreen: true,
-        allowMuting: true,
-        allowPlaybackSpeedChanging: true,
-        zoomAndPan: true);
+    BetterPlayerDataSource betterPlayerDataSource =
+        BetterPlayerDataSource(BetterPlayerDataSourceType.network, widget.url);
+    _betterPlayerController = BetterPlayerController(
+        BetterPlayerConfiguration(
+            autoPlay: true, looping: true, allowedScreenSleep: false),
+        betterPlayerDataSource: betterPlayerDataSource);
 
     setState(() {});
   }