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NKFileDownloader

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Overview

This class is used to download files from internet to documents folder (later those files can be opened with NKFile).

openURL(url)

Initializes current downloader with url

start(fileName)

Starts asynchronous download process.
filename - name of the output file to be created in documents folder

stop()

Stops download

getProgress()

Returns percentage of downloaded data or -1 if error occured

Example:

var download = new NKFileDownloader();
download.openURL("http://www.nimblekit.com/nimblekit.dmg");
download.start("nimblekit.dmg");
setTimeout(updateProgress, 1000);

function updateProgress()
{
	var progress = download.getProgress();
	if (progress == -1)
	{
		NKLog("Could not download file");
	}
	else
	{
		NKLog("downloaded: "+progress);
		if (download.getProgress()<100)
			setTimeout(updateProgress, 1000);
	}
}