AndroidManifest

強制直屏

<activity  ...
    android:screenOrientation="portrait"
>
....
</activity>

強制橫屏

<activity  ...
    android:screenOrientation="landscape"
>
....
</activity>

依使用者使用

<activity  ...
    android:screenOrientation="user"
>
....
</activity>

依感測器使用

<activity  ...
    android:screenOrientation="sensor"
>
....
</activity>