[AnDrOiD] 가로 고정 설정

1. Using JAVA Code

setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);

2. Using AndroidManifest.xml

<activity android:label="@string/app_name" 
          android:name="com.example.androidexam07.MainActivity" 
          android:screenOrientation="landscape">
</activity>