Updating the AndroidManifest File
You need to tell Android that your app works on the large and extra-large screens of tablets. Without it, your app runs in Compatibility mode as though it was on a smaller screen, and Android expands your app so that it fills the screen. Your app can look “jaggy” and ugly.
AndroidManifest.xml file to add the following lines to the
supports-screens element inside the
<manifest> element before the