title: How to change app default theme to a different app theme?
body: <p>I have an Android app that has a default theme of Holo.Light but I want to change it to Theme.Black.I tried to do this by changing the style tag in the manifest <code>android:theme="@style/AppTheme"</code> to Theme.Black but it cannot be found.Is there extra steps I have to take in changing the theme?</p>