nativescript-downloader

Installation

NativeScript 4x

• tns plugin add nativescript-downloader

NativeScript 3x

• tns plugin add nativescript-downloader@1.1.0

Usage

TypeScript

import { Downloader } from 'nativescript-downloader';
Downloader.init(); // <= Try calling this after the app launches to start the downloader service
Downloader.setTimeout(120); //Increase timeout default 60s

import { Downloader, ProgressEventData, DownloadEventData } from 'nativescript-downloader';
const downloader = new Downloader();
const imageDownloaderId = Downloader.createDownload({
  url:
    'https://wallpaperscraft.com/image/hulk_wolverine_x_men_marvel_comics_art_99032_3840x2400.jpg'
});

downloader
  .start(imageDownloaderId, (progressData: ProgressEventData) => {
    console.log(`Progress : ${progressData.value}%`);
    console.log(`Current Size : ${progressData.currentSize}%`);
    console.log(`Total Size : ${progressData.totalSize}%`);
    console.log(`Download Speed in bytes : ${progressData.speed}%`);
  })
  .then((completed: DownloadEventData) => {
    console.log(`Image : ${completed.path}`);
  })
  .catch(error => {
    console.log(error.message);
  });

JavaScript

var Downloader = require('nativescript-downloader').Downloader;
Downloader.Downloader.init(); // <= Try calling this after the app launches to start the downloader service
Downloader.setTimeout(120); //Increase timeout default 60s

var Downloader = require('nativescript-downloader').Downloader;
var downloader = new Downloader();
var imageDownloaderId = downloadManager.createDownload({
  url:
    'https://wallpaperscraft.com/image/hulk_wolverine_x_men_marvel_comics_art_99032_3840x2400.jpg'
});

downloader
  .start(imageDownloaderId, progressData => {
    console.log(`Progress : ${progressData.value}%`);
  })
  .then(completed => {
    console.log(`Image : ${completed.path}`);
  })
  .catch(error => {
    console.log(error.message);
  });

Api

| Method | Default | Type | Description | | ---------------------------------------- | ------- | ---------------------------- | ----------------------------------------------------- | | createDownload(options: DownloadOptions) | | string | Creates a download task it returns the id of the task | | getStatus(id: string) | | StatusCode | Gets the status of a download task. | | start(id: string, progress?: Function) | | Promise<DownloadEventData> | Starts a download task. | | | resume(id: string) | | void | Resumes a download task. | | cancel(id: string) | | void | Cancels a download task. | | pause(id: string) | | void | Pauses a download task. | | getPath(id: string) | | void | Return the path of a download task. |

Example Image

| IOS | Android | | --------------------------------------- | ------------------------------------------- | | | |

Angular

Injection Root Component

```typescript import { Downloader } from 'nativescript-downloader'; .... ngOnInit() { Downloader.init(); // <= Try calling this after the app launches to start the downloader service } ...

### Custome Downloader option
```typescript 
  // Request format for Downlaoder
             DownloadOptions {
             url: string;
             query?: Object | string;
             headers?: Object;
            path?: string;
             fileName?: string;
          }

Service File To use any where

```typescript import { Injectable } from '@angular/core'; import { Subject } from 'rxjs'; import { Downloader, ProgressEventData, DownloadEventData } from 'nativescript-downloader';
@Injectable({

providedIn: 'root',

})
export class DataDownLoadService {

public database: any;
downloader: Downloader = new Downloader();
constructor() { }


/**
* @ngdoc method
* @name downloadDb
* @description  download generic method for nay file 
* @memberof DataDownLoadService
* @param apiUrl : - https://myserver.com/mypath
* @param filename :- myfile.zip ...
* @param downloadlocation : mobile local location
*/
downloadFile(apiUrl, filename, downloadlocation) {
    const subject = new Subject<any>();

    // Request format for Downlaoder
    //      DownloadOptions {
    //     url: string;
    //     query?: Object | string;
    //     headers?: Object;
    //     path?: string;
    //     fileName?: string;
    //   }

    // Prepare the header with token work

    const headerHttp = {
        "Content-Type": "application/json",
        "Authorization": 'Bearer ' + 'Token...'
    }

    const url =  apiUrl;

    const zipDownloaderId = this.downloader.createDownload({
        url: url,
        headers: headerHttp,
        path: downloadlocation,
        fileName: filename
    });

    this.downloader
        .start(zipDownloaderId, (progressData: ProgressEventData) => {
            console.log(`Progress : ${progressData.value}%`);
            console.log(`Current Size : ${progressData.currentSize}%`);
            console.log(`Total Size : ${progressData.totalSize}%`);
            console.log(`Download Speed in bytes : ${progressData.speed}%`);
        })
        .then((completed: DownloadEventData) => {
            console.log(`zip file saved at : ${completed.path}`);
          
           
            
            subject.next(true);
          
        })
        .catch(error => {
            console.log('downloadDb', error.message);
            subject.error(error);

        });

    return subject.asObservable();
}

} ```

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