swift-aurora-7084

readme.md

swift-aurora-7084

Created with <3 with dartpad.dev.

main.dart

import 'dart:isolate';
import 'package:flutter/material.dart';

import 'package:video_compress/video_compress.dart';


const Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme:ThemeData(
        useMaterial3: true,
        //colorScheme: Colors.red,
      ),
      debugShowCheckedModeBanner: false,
      home: const Scaffold(
        
        body: Center(
          child:  Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              Text("Hello 👋🏻"),
              Text("to compression in isolate"),
              ElevatedButton(
                onPressed: ()=> runVideoCompressionFromIsolate(),
                child: const Text("RUN ISOLATE"),
              )
            ]),
          ),
        ), 
    );
  }
}

          
          
          
          
/// the code to run the compression from within the isolate   
Future<void> runVideoCompressionFromIsolate () async {
   final isolate = await Isolate.spawn<int>(
     longTaskForIsolate,
     7,
     errorsAreFatal: true, // uncaught errors will terminate the isolate
     debugName: 'longTaskVideoCompressionForIsolate', // name in debuggers and logging
   );
   
   
   await Future<void>.delayed(const Duration(seconds: 20));

   isolate.kill(); // Kill the isolate.
}



/// The entry point of the our isolate.
void longTaskVideoCompressionForIsolate(int payload) {
 
 
  try {
  
    // == Subscribe to progress
    final _subscription = VideoCompress.compressProgress$.subscribe((progress) {
        debugPrint('progress: $progress');
        
      });
        
  }
  catch(e) {
    debugPrint("Error while subscribing to video compressing");
  }
}