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Chapter 19: Handling Rotation > Forcing the Issue
Forcing the Issue
Some activities simply are not meant to change orientation. Games, camera previews, video players, and the like may make sense only in landscape orientation, for example. While most activities should allow the user to work in any desired orientation, for activities where only one orientation makes sense, you can control it.
To block Android from rotating your activity, all you need to do is add android:screenOrientation = "portrait" (or "landscape", as you prefer) to your AndroidManifest.xml file, as follows (from the Rotation/RotationFour sample project):
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.commonsware.android.rotation.four" android:versionCode="1"
