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Sample code to download file from internet - Phonegap Wiki
<!DOCTYPE html>
<html>
<head>
<title></title>
<!-- Android
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no;" />
<meta charset="utf-8">-->
<!-- iPad/iPhone specific css below, add after your main css >
<link rel="stylesheet" media="only screen and (max-device-width: 1024px)" href="/ipad.css" type="text/css" />
<link rel="stylesheet" media="only screen and (max-device-width: 480px)" href="/iphone.css" type="text/css" />
-->
<!-- If your application is targeting iOS BEFORE 4.0 you MUST put json2.js from http://www.JSON.org/json2.js into your www directory and include it here -->
<script type="text/javascript" charset="utf-8" src="phonegap-1.4.1.js"></script>
<script type="text/javascript">
// If you want to prevent dragging, uncomment this section
/*
function preventBehavior(e)
{
e.preventDefault();
};
document.addEventListener("touchmove", preventBehavior, false);
*/
/* If you are supporting your own protocol, the var invokeString will contain any arguments to the app launch.
see http://iphonedevelopertips.com/cocoa/launching-your-own-application-via-a-custom-url-scheme.html
for more details -jm */
/*
function handleOpenURL(url)
{
// TODO: do something with the url passed in.
}
*/
function onBodyLoad()
{
document.addEventListener("deviceready", onDeviceReady, false);
}
function downloadFile(){
window.requestFileSystem(
LocalFileSystem.PERSISTENT, 0,
function onFileSystemSuccess(fileSystem) {
fileSystem.root.getFile(
"dummy.html", {create: true, exclusive: false},
function gotFileEntry(fileEntry){
var sPath = fileEntry.fullPath.replace("dummy.html","");
var fileTransfer = new FileTransfer();
fileEntry.remove();
fileTransfer.download(
"http://www.w3.org/2011/web-apps-ws/papers/Nitobi.pdf",
sPath + "theFile.pdf",
function(theFile) {
console.log("download complete: " + theFile.toURI());
showLink(theFile.toURI());
},
function(error) {
console.log("download error source " + error.source);
console.log("download error target " + error.target);
console.log("upload error code: " + error.code);
}
);
},
fail);
},
fail);
}
function showLink(url){
alert(url);
var divEl = document.getElementById("ready");
var aElem = document.createElement("a");
aElem.setAttribute("target", "_blank");
aElem.setAttribute("href", url);
aElem.appendChild(document.createTextNode("Ready! Click To Open."))
divEl.appendChild(aElem);
}
function fail(evt) {
console.log(evt.target.error.code);
}
/* When this function is called, PhoneGap has been initialized and is ready to roll */
/* If you are supporting your own protocol, the var invokeString will contain any arguments to the app launch.
see http://iphonedevelopertips.com/cocoa/launching-your-own-application-via-a-custom-url-scheme.html
for more details -jm */
function onDeviceReady()
{
// do your thing!
downloadFile();
}
</script>
</head>
<body onload="onBodyLoad()">
<h1>Hey, it's PhoneGap!</h1>
<p>Don't know how to get started? Check out <em><a target="_blank" href="/http://www.phonegap.com/start">PhoneGap Start</a><em>
</p>
<br />
<p>
DOWNLOADING FILE...<br />
<span id="ready"></span>
</p>
</body>
</html>
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