http://www.lewuathe.com/blog/2014/02/21/use-javascriptinterface-on-android/
http://developer.android.com/reference/android/webkit/WebView.html
http://stackoverflow.com/questions/21749425/android-webview-addjavascriptinterface-does-not-work-if-the-webview-is-created-i
http://ganeshtiwaridotcomdotnp.blogspot.in/2011/10/calling-javascript-function-from.html
Original Link
