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@khopkins218
Created March 11, 2011 18:32
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/*
Developed by Kevin L. Hopkins (http://kevin.h-pk-ns.com)
You may borrow, steal, use this in any way you feel necessary but please
leave attribution to me as the source. If you feel especially grateful,
give me a linkback from your blog, a shoutout @Devneck on Twitter, or
my company profile @ http://wearefound.com.
/* Expects parameters of the directory name you wish to save it under, the url of the remote image,
and the Image View Object its being assigned to. */
cachedImageView = function(imageDirectoryName, url, imageViewObject)
{
// Grab the filename
var filename = url.split('/');
filename = filename[filename.length - 1];
// Try and get the file that has been previously cached
var file = Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory, imageDirectoryName, filename);
if (file.exists()) {
// If it has been cached, assign the local asset path to the image view object.
imageViewObject.image = file.nativePath;
} else {
// If it hasn't been cached, grab the directory it will be stored in.
var g = Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory, imageDirectoryName);
if (!g.exists()) {
// If the directory doesn't exist, make it
g.createDirectory();
};
// Create the HTTP client to download the asset.
var xhr = Ti.Network.createHTTPClient();
xhr.onload = function() {
if (xhr.status == 200) {
// On successful load, take that image file we tried to grab before and
// save the remote image data to it.
file.write(xhr.responseData);
// Assign the local asset path to the image view object.
imageViewObject.image = file.nativePath;
};
};
// Issuing a GET request to the remote URL
xhr.open('GET', url);
// Finally, sending the request out.
xhr.send();
};
};
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