dio_range_download

Description:

dio range download

dio_range_download #
A download tool library that supports resumable downloading and segmented downloading.
https://pub.dev/packages/dio_range_download
Theory #
This library is based on the range protocol header of the http1.1 version to achieve segmented download and resumable download.
headers: {"range": "bytes=$start-$end"},
copied to clipboard
Demo #
import 'package:dio/dio.dart';
import 'package:dio_range_download/dio_range_download.dart';

main() async {
print("hello world");
rangeDownload();
}

DateTime startTime;
rangeDownload() async {
print("start");
bool isStarted = false;
var url =
"http://music.163.com/song/media/outer/url?id=1357233444.mp3";
var savePath = "download_result/music.mp3";
// CancelToken cancelToken = CancelToken();
Response res = await RangeDownload.downloadWithChunks(url, savePath,
//isRangeDownload: false,//Support normal download
// maxChunk: 6,
// dio: Dio(),//Optional parameters "dio".Convenient to customize request settings.
// cancelToken: cancelToken,
onReceiveProgress: (received, total) {
if (!isStarted) {
startTime = DateTime.now();
isStarted = true;
}
if (total != -1) {
print("${(received / total * 100).floor()}%");
// if (received / total * 100.floor() > 50) {
// cancelToken.cancel();
// }
}
if ((received / total * 100).floor() >= 100) {
var duration = (DateTime.now().millisecondsSinceEpoch -
startTime.millisecondsSinceEpoch) /
1000;
print(duration.toString() + "s");
print(
(duration ~/ 60).toString() + "m" + (duration % 60).toString() + "s");
}
});
print(res.statusCode);
print(res.statusMessage);
print(res.data);
}

copied to clipboard