file-downloader

Cordova plugin to download a List of files or a single file to the Phone, check consistency and unzip if necessary (Android and ios)

install

cordova plugin add cordova-plugin-file-downloader

usage

Initialize the downloader

downloader.init({folder: "yourPersistantAppFolder", unzip: true});

options:

• folder: folder to store downloads in [required]
• fileSystem: fileSystem to store downloads in (use cordova.file.* to be platform independent)
• unzip: true -> unzip after download is enabled [default: false]
• check: true -> md5sum of file is checked after download [default: false]
• delete: true -> delete after unpack a zipfile [default: true]
• noMedia: true -> prevent gallery from scan files on android [default: true]
• wifiOnly: true -> only Download when connected to Wifi, else fires DOWNLOADER_noWifiConnection event [default: false]

Download single file

downloader.get("http://yourhost.de/some.zip");

Download multiple files

downloader.getMultipleFiles([
  {url:"http://yourhost.de/some1.zip"},
  {url:"http://yourhost.de/some2.zip"},
  {url:"http://yourhost.de/some3.zip"}
]);

Abort download in progress

You have to re-init downloader after aborting an transfer

downloader.abort();

Events

document.addEventListener(eventName, function(event){
  var data = event.data;
});

eventNames:
DOWNLOADER_initialized        data:none
DOWNLOADER_gotFileSystem      data:[cordova.fileSystem fileSystem]
DOWNLOADER_gotFolder          data:[cordova.fileEntry folder]
DOWNLOADER_error              data:[object error]
DOWNLOADER_noWifiConnection   data:none
DOWNLOADER_downloadSuccess    data:[cordova.fileEntry entry]
DOWNLOADER_downloadError      data:[object error]
DOWNLOADER_downloadProgress   data:[number percentage, string fileName]
DOWNLOADER_unzipSuccess       data:[string fileName]
DOWNLOADER_unzipError         data:[string fileName]
DOWNLOADER_unzipProgress      data:[number percentage, string fileName]
DOWNLOADER_fileRemoved        data:[cordova.fileEntry entry]
DOWNLOADER_fileRemoveError    data:[cordova.fileEntry entry]
DOWNLOADER_getFileError       data:[object error]
DOWNLOADER_fileCheckSuccess   data:[string md5sum, string fileName]
DOWNLOADER_fileCheckFailed    data:[string calculatedMd5sum, string md5, string fileName])
DOWNLOADER_fileCheckError     data:[object error]

Full Examples

Download file some.txt to folder testApp

downloader.init({folder: "testApp"});
downloader.get("http://yourhost.de/some.txt");

Download file some.txt to folder testApp and give it a new name

downloader.init({folder: "testApp"});
downloader.get("http://yourhost.de/some.txt", null, "ohername.txt");

Download file some.zip to testApp, extract it and delete it afterwards

downloader.init({folder: "testApp", unzip: true});
downloader.get("http://yourhost.de/some.zip");

Download file some.zip to testApp, extract it and don't delete it afterwards

downloader.init({folder: "testApp", unzip: true, delete: false});
downloader.get("http://yourhost.de/some.zip");

Download file some.zip to testApp, check if md5sum matches given string and extract it and delete it afterwards

downloader.init({folder: "testApp", unzip: true, check: true});
downloader.get("http://yourhost.de/some.zip", "3f4ea2219aa321ef5cd3143ea33076ab");

Download file abort.zip and abort download, the download another.zip

downloader.init({folder: "testApp", unzip: true, check: true});
downloader.get("http://yourhost.de/abort.zip");
downloader.abort();
downloader.init({folder: "testApp", unzip: true, check: true});
downloader.get("http://yourhost.de/another.zip");

Download multiple zip-files to testApp, check if md5sum matches given string and extract it and delete it afterwards

downloader.init({folder: "testApp", unzip: true, check: true});
downloader.getMultipleFiles([
  {url: "http://yourhost.de/some1.zip", md5:"1f4ea2219aa321ef5cd3143ea33076ac"},
  {url: "http://yourhost.de/some2.zip", md5:"2f4ea2219aa321ef5cd3143ea33076ad"},
  {url: "http://yourhost.de/some3.zip", md5:"3f4ea2219aa321ef5cd3143ea33076ae"}
]);