Andrews forced horizontal screen

　　To do both.

• A tube

Activity.onCreate()
{
    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
}

Tube two

<activity
    android:name="quantum6.VideoActivity"
    android:configChanges="orientation|keyboardHidden|screenSize"
    android:screenOrientation="landscape"
    />

Forced vertical screen, use

portrait/ActivityInfo.SCREEN_ORIENTATION_PORTRAIT