Can't get cordova network plugin to work

After spending 2 hrs, nothing worked for me. I have installed cordova network plugin, also checked my androidmanifest.xml file everything was as suggested by other users. What worked for, i am posting here

1) add below code to index.html

<script>
  window.addEventListener("online", function(e) {
    window.location = "#/app/home";
  }, false);

  window.addEventListener("offline", function(e) {
    window.location = "#/app/offline";
  }, false);
</script>

In offline template i am simply showing "No internet connection" mesage. As soon as you go online, it will open app home page. and when you go offline it opens offline page.