Unless your mobile application allows for only portrait or only landscape views, there's a good chance you will need to adjust a few things. Even if you've built your layouts in a fluid fashion, you may need to programmatically make some changes. There are a few strategies for knowing when pages have changed, so let's check out how we can detect orientation changes on mobile devices. orientationch
![Detect Orientation Change](https://cdn-ak-scissors.b.st-hatena.com/image/square/9993c9cdb0a517bc9f01c87e168851edb677bade/height=288;version=1;width=512/https%3A%2F%2Fdavidwalsh.name%2Fwp-content%2Fthemes%2Fpunky%2Fimages%2Flogo.png)