fix qa

lib/src/video_thumbnail.dart

@@ -0,0 +1,37 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:video_player/video_player.dart';
+
+class VideoThumbnail extends StatefulWidget {
+  final File file;
+
+  const VideoThumbnail({
+    Key key,
+    @required this.file,
+  }) : super(key: key);
+
+  @override
+  _VideoThumbnailState createState() => _VideoThumbnailState();
+}
+
+class _VideoThumbnailState extends State<VideoThumbnail> {
+  VideoPlayerController _videoPlayerController;
+  @override
+  Widget build(BuildContext context) {
+    return VideoPlayer(_videoPlayerController);
+  }
+
+  @override
+  void initState() {
+    _videoPlayerController = VideoPlayerController.file(widget.file)
+      ..initialize();
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    _videoPlayerController.dispose();
+    super.dispose();
+  }
+}