gistfile1.js

var os_type = Titanium.Platform.getOsname() == 'android'?'android':'ios';

var xhr = Titanium.Network.createHTTPClient();

var getNotCached = function(url){
  var timestamp = new Date().getTime();
	if (url.indexOf('?') == -1) {
		return url + '?nocache=' + timestamp ;
	}
	return url + '&nocache=' + timestamp ;
}

var getData =  function(url,cbs){
    Ti.API.debug(url);
	xhr.open("GET", url);
    xhr.setTimeout(300000);
    xhr.onload = function() {
        cbs.success(xhr.responseData);
    };
    xhr.ondatastream = cbs.progress;
    xhr.onerror = cbs.error;
    xhr.send();
}

var getText =  function(url,cbs){
    Ti.API.debug(url);
	xhr.open("GET", url);
    xhr.setTimeout(300000);
    xhr.onload = function() {
        cbs.success(xhr.responseText);
    };
    xhr.onerror = cbs.error;
    xhr.send();
}



var getFileIos = function(url,dest, cbs){
	url = getNotCached(url);
	var progress = cbs.progress || function(){};
	xhr.open("GET", url);
    xhr.setTimeout(300000);
    xhr.file = Ti.Filesystem.getFile(dest);
    xhr.onload = cbs.success;
    xhr.onerror = cbs.error;
    xhr.ondatastream = cbs.progress;
    xhr.send();
};

var getFileAndroid =  function(url,dest, cbs){
	url = getNotCached(url);
	var progress = cbs.progress || function(){};
	getData(url,{
		success : function(data){
			var destFile = Ti.Filesystem.getFile(dest);
			if (data.type == 1) {
				//Big files: http://developer.appcelerator.com/question/35041/large-file-download-on-mobile
				Ti.API.info("[HTTP CLIENT] - Big File: " + url);
				var downloadedFile = Ti.Filesystem.getFile(data.nativePath);

				if (destFile.exists){
  					destFile.deleteFile();
					downloadedFile.move(destFile.nativePath);
				}
  			} else{
  				//Small files
  				Ti.API.info("[HTTP CLIENT] - Small File: " + url);
  				destFile.write(data.responseData);
  			}
  			cbs.success(destFile);
		},
		error : function(){
			cbs.error();
		},
		progress : progress
	});
};

var platformGetFile ={
	'android' : getFileAndroid,
	'ios' : getFileIos
}


exports.get = getText;
exports.getFile = platformGetFile[os_type];