In AndroidManifest.xml:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="com.example.android.myapp">
<application
android:allowBackup="true"
tools:ignore="GoogleAppIndexingWarning">
<!-- Screen locked to landscape for easier play -->
<!-- configChanges attribute makes the following actions NOT cause a config change -->
<!-- screenOrientation attribute sets the default animation-->
<activity android:name=".MainActivity"
android:configChanges="keyboardHidden|orientation|screenSize"
android:screenOrientation="landscape">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
