Sharing photo on Instagram on Android using Titanium

if (!Ti.Network.online) {
	alert("No Internet Connection");
	return;
} else {

	var dir = (!Ti.Android || !Ti.Filesystem.isExternalStoragePresent()) ? Ti.Filesystem.applicationDataDirectory : Ti.Filesystem.externalStorageDirectory;
	var localStorage = Ti.Filesystem.getFile(dir, "IMAGES_FOLDER");
	(!localStorage.exists()) && localStorage.createDirectory();
	var imageFilePath = Ti.Filesystem.getFile(localStorage.resolve(), 'image.png');

	var xhr = Ti.Network.createHTTPClient({
		onload : function(e) {

			if (this.status == 200) {
				imageFilePath.write(this.responseData);

				if (Ti.Android) {

					var igIntent = Ti.Android.createIntent({
						action : Ti.Android.ACTION_SEND,
						packageName : "com.instagram.android",
						type : "image/*"
					});
					igIntent.putExtraUri(Titanium.Android.EXTRA_STREAM, imageFilePath.nativePath);
					setTimeout(function() {
						try {
							Ti.Android.currentActivity.startActivity(igIntent);
						} catch (e) {
							alert("Instagram app is not installed in your device!");
						}
					}, 400);

				}
			} else {
				alert("Error occurred while sharing on Instagram");
			}
		},
		onerror : function(e) {
			alert("Unable to proceed due to slow Internet Connection");
		}
	});

	xhr.setTimeout(10 * 1000);
	xhr.open('GET', photoURL);
	xhr.send();

}