Maintain Layout Orientation in Android Applications

Here is a one-liner statement in your manifest xml (AndroidManifest.xml) to maintain your preferred portrait layout orientation. Simply add this line in the XML:

android:screenOrientation="portrait"
<br /><activity android:name=".ACTIVITY_NAME"<br /> android:label="@string/app_name"<br /> android:screenOrientation="portrait"><br /> <intent-filter><br /> <action android:name="android.intent.action.MAIN" /><br /> <category android:name="android.intent.category.LAUNCHER" /><br /> </intent-filter><br /></activity>Otherwise, you may also use "landscape" as the value.
android:screenOrientation="landscape"

Further information is available at the Android Developers Website