Toggle dark and light theme

I know ionic2 supports theming feature but how can I make the same in ionic-v1.
All I need to do is just use a toogle bar to switch between dark and light themes(change backgrounds dark and light)
Any codepen ??

Dynamic Theming Your Ionic App,
try this

Make two css files and add

in index.html file.

bind the name of the style sheet to filename variable with rootScope in run method in app.js file