mohemm-flutter-app/lib/ui/landing/itg/its_add_screen_video_image.dart

import 'dart:convert';
import 'dart:io' as Io;
import 'dart:io';
import 'dart:typed_data';

import 'package:flutter/material.dart';
import 'package:mohem_flutter_app/classes/colors.dart';
import 'package:path_provider/path_provider.dart';
import 'package:video_player/video_player.dart';

class ITGAdsScreen extends StatefulWidget {
  final String encodedBytes;
  final String fileExtension;

  const ITGAdsScreen({required this.encodedBytes, required this.fileExtension});

  @override
  _ITGAdsScreenState createState() => _ITGAdsScreenState();
}

class _ITGAdsScreenState extends State<ITGAdsScreen> {
  late Future<VideoPlayerController> _futureController;
  late VideoPlayerController _controller;
  bool skip = false;

  Future<VideoPlayerController> createVideoPlayer() async {
    try {
      Uint8List decodedBytes = base64Decode(widget.encodedBytes.split("base64,").last);
      Directory appDocumentsDirectory = await getApplicationDocumentsDirectory(); // 1
      File file = Io.File("${appDocumentsDirectory.path}/myAdsVideo.mp4");
      file.writeAsBytesSync(decodedBytes);
      VideoPlayerController controller = VideoPlayerController.file(file);
      await controller.initialize();
      await controller.play();
      await controller.setVolume(1.0);
      await controller.setLooping(false);
      return controller;
    } catch (e) {
      return new VideoPlayerController.asset("dataSource");
    }
  }

  void checkType(){

   // getFileTypeDescription(value);


  }

  String getFileTypeDescription(String value) {
    switch (value) {
      case ".pdf":
        return "application/pdf";
      case ".png":
        return "image/png";
      case ".txt":
        return "text/plain";
      case ".jpg":
        return "image/jpg";
      case ".jpeg":
        return "image/jpeg";
      case ".ppt":
        return "application/vnd.openxmlformats-officedocument.presentationml.presentation";
      case ".pptx":
        return "application/vnd.openxmlformats-officedocument.presentationml.presentation";
      case ".doc":
        return "application/vnd.openxmlformats-officedocument.wordprocessingm";
      case ".docx":
        return "application/vnd.openxmlformats-officedocument.wordprocessingm";
      case ".xls":
        return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
      case ".xlsx":
        return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
      case ".zip":
        return "application/octet-stream";
      case ".rar":
        return "application/octet-stream";
      default:
        return "";
    }
  }

  @override
  void initState() {
    _futureController = createVideoPlayer();
    initTimer();
    super.initState();
  }

  void initTimer() {
    Future.delayed(const Duration(milliseconds: 500), () {
      setState(() {
        skip = true;
      });
    });
  }

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

  @override
  Widget build(BuildContext context) {
    double height = MediaQuery.of(context).size.height * .25;
    return Scaffold(
      body: Column(
        children: [
          SizedBox(
            height: MediaQuery.of(context).size.height * .3,
            child: FutureBuilder(
              future: _futureController,
              builder: (BuildContext context, AsyncSnapshot<Object?> snapshot) {
                if (snapshot.connectionState == ConnectionState.done && snapshot.data != null) {
                  _controller = snapshot.data as VideoPlayerController;
                  return AspectRatio(
                    aspectRatio: _controller.value.aspectRatio,
                    child: VideoPlayer(_controller),
                  );
                } else {
                  return const Center(
                    child: CircularProgressIndicator(),
                  );
                }
              },
            ),
          ),
          if (skip)
            ElevatedButton(
              onPressed: () {},
              child: const Text("Go To Dashboard"),
            )
        ],
      ),
    );
  }
}