Simple plugin to handle save image to user library on iOS
Based on https://groups.google.com/d/msg/phonegap/6n7jGIey9hA/ZlPGiV8Dpm8J
1 step install
cordova plugin add https://github.com/phongjalvn/cordova-imagehelper.git
Usage
You do not need to reference any JavaScript, the Cordova plugin architecture will add a socialmessage object to your root automatically when you build.
Ensure you use the plugin after your deviceready event has been fired.
Save image from URL or path (path is relative to the application root)
window.ImageHelper.saveToUserLibrary(imageUrl, successCallback, failCallback);