pakPreferences

AndroidManifest.xml

 android:configChanges="keyboardHidden|orientation">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
        <activity android:name=".PreferencesActivity"/>

        android:uiOptions="splitActionBarWhenNarrow"
    </application>
</manifest>