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Flutter Download Manager is a Cross-Platform file downloader with resumeable, parallel and batch Download support. Also be notified of download status and progress updates

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Flutter Download Manager

pub package pub points popularity likes |

Overview

Flutter Download Manager is a Cross-Platform file downloader with Parallel and Batch Download support. Manage download tasks by url and be notified of status and their progress. Pause, Cancel, Queue and Resume Downloads.

This package was made as I felt like there are no download managers in flutter, specially with desktop support.

alt Example

Features

  • Manage download tasks by url
  • Ability to notified of status and progress changes
  • Partial Download Feature
  • Queue Downloads
  • Pause, Cancel or Resume Downloads
  • Parallel File Downloads (2 or can change)
  • Support Batch download

Platforms Supported

  • Linux
  • MacOS
  • Windows
  • Android
  • iOS

There are a few caveats about this package:

  • On desktop it saves the file in absolute or relative path.
  • On mobile it saves the file in absolute or relative path, but we should ask/ensure if the app has the required permissions.
  • It does not run in a background process, so when the dart application closes the manager will also shut down.

Getting Started

In your pubspec.yaml file add:

dependencies:
  flutter_download_manager: any

Then, in your code import:

import 'package:flutter_download_manager/flutter_download_manager.dart';

Usage

Please refer to /example folder for a working example.

Simply Download a file

var dl = DownloadManager();
var url = "adasdad.com/asda.sdas";
await dl.addDownload(url, "./test.sdas");

DownloadTask? task = dl.getDownload(url4);

task?.status.addListener(() {
  print(task.status.value);
});

task?.progress.addListener(() {
  print(task.progress.value);
});

await dl.whenDownloadComplete(url4);

Get Download Status

DownloadTask? task = dl.getDownload(url4);

task?.status.addListener(() {
  print(task.status.value);
});

Get Download Progress

DownloadTask? task = dl.getDownload(url4);

task?.progress.addListener(() {
  print(task.progress.value);
});

Await for a task to be complete

DownloadTask? task = dl.getDownload(url4);

await task.whenDownloadComplete();

Cancel a task

var dl = DownloadManager();

dl.cancelDownload(url5);

Pause a task

var dl = DownloadManager();

dl.pauseDownload(url5);

Resume a task

var dl = DownloadManager();

dl.resumeDownload(url5);

Download in Batch

var dl = DownloadManager();

var urls = <String>[];
urls.add(url2);
urls.add(url3);
urls.add(url);

await dl.addDownload(url2, "./test2.ipa");
await dl.addDownload(url3, "./test3.ipa");
await dl.addDownload(url, "./test.ipa");

var downloadProgress = dl.getDownloadProgress(urls);

downloadProgress.addListener(() {
  print(downloadProgress.value);
});

await dl.whenDownloadsComplete(urls);
var dl = DownloadManager();

var urls = <String>[];
urls.add(url2);
urls.add(url3);
urls.add(url);

dl.addBatchDownloads(urls, "./");

Cancel a Batch Download

var dl = DownloadManager();

var urls = <String>[];
urls.add(url6);
urls.add(url5);
urls.add(url);

dl.cancelDownloads(urls);

Get Batch Download Progress

var dl = DownloadManager();

var urls = <String>[];
urls.add(url2);
urls.add(url3);

var downloadProgress = dl.getDownloadProgress(urls);

downloadProgress.addListener(() {
  print(downloadProgress.value);
});

Await for Batch Download to complete

var dl = DownloadManager();

var urls = <String>[];
urls.add(url2);
urls.add(url3);
urls.add(url);

await dl.whenDownloadsComplete(urls);

Future Work

[] Add in Shared Preference to survive app shutdown

DownloadStatus

enum DownloadStatus { queued, downloading, completed, failed, paused, canceled }

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Flutter Download Manager is a Cross-Platform file downloader with resumeable, parallel and batch Download support. Also be notified of download status and progress updates

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