DartDownloader is a Dart library for downloading files from the internet with pause, resume and cancel features.
In the pubspec.yaml of your Flutter/Dart project, add the following dependency:
dependencies:
dart_downloader:
git:
url: https://github.com/Crazelu/dart_downloader.gitimport 'package:dart_downloader/dart_downloader.dart';final downloader = DartDownloader();
//Download file from url
downloader.download(url);
//Listen to pause notifier to know if this download can be paused.
//File servers that don't accept ranges don't support pausing/resuming downloads.
ValueListenableBuilder<bool>(
valueListenable: downloader.canPauseNotifier,
builder: (context, canPause, _) {
//show pause icon
},
);
//Pause download
downloader.pause();
//Resume download
downloader.resume();
//Cancel download
downloader.cancel();
//Listen to download state
StreamBuilder<DownloadState>(
stream: downloader.downloadState,
builder: (context, snapshot) {
if (snapshot.hasData && snapshot.data != null) {
switch(snapshot.data!){
case Paused():
//download is paused
break;
case Cancelled():
//download is cancelled
break;
case Completed():
//download is complete
break;
case Downloading():
//download is in progress
break;
}
}
}
);
- Pause downloads
- Resume downloads
- Cancel downloads
- Download state stream (downloading, paused, cancelled, completed)
- Download progress stream (raw bytes and formatted string)
- Retries
- Connectivity listener to pause downloads when internet connection is lost and resume when connection is regained.
Feel free to contribute to this project.
If you find a bug or want a feature, but don't know how to fix/implement it, please fill an issue.
If you fixed a bug or implemented a feature, please send a pull request.