nativescript-download-progress

Introduction

This plugin allows you to download large files and provides progress updates.

Nativescripts http.getFile method stores the data in memory which can cause out of memory exceptions and doesn't provide progress updates.

Installation

1tns plugin add nativescript-download-progress

Examples

1import { DownloadProgress } from "nativescript-download-progress";
2
3const dp = new DownloadProgress();
4dp.setProgressCallback((progress, url, destination) => {
5  console.log("Progress:", progress, "URL:", url, "Destination", destination);
6});
7dp.downloadFile("http://ipv4.download.thinkbroadband.com/20MB.zip")
8  .then((file) => {
9    console.log("Success", file);
10  })
11  .catch((error) => {
12    console.log("Error", error);
13  });

Passing request headers

1import { DownloadProgress } from "nativescript-download-progress";
2
3const dp = new DownloadProgress();
4dp.setProgressCallback((progress, url, destination) => {
5  console.log("Progress:", progress, "URL:", url, "Destination", destination);
6});
7const url = "http://ipv4.download.thinkbroadband.com/20MB.zip";
8const destinationPath = "some/path/to/file.zip";
9const requestOptions: RequestOptions = {
10  method: "GET",
11  headers: {
12    Range: "bytes=-",
13  },
14};
15dp.downloadFile(url, requestOptions, destinationPath)
16  .then((file) => {
17    console.log("Success", file);
18  })
19  .catch((error) => {
20    console.log("Error", error);
21  });

Async / Await

1import { DownloadProgress } from "nativescript-download-progress";
2
3const dp = new DownloadProgress();
4dp.setProgressCallback((progress, url, destination) => {
5  console.log("Progress:", progress, "URL:", url, "Destination", destination);
6});
7try {
8  const f = await downloadFile(
9    "http://ipv4.download.thinkbroadband.com/20MB.zip"
10  );
11} catch (e) {
12  console.log("Error", error);
13}

License

Apache License Version 2.0, January 2004