Android windowIsTranslucent locks orientation to portrait

Question

I have an activity which i would like launched using:

<item name="android:windowIsTranslucent">true</item>

I do not understand why on handset devices the orientation is locked to portrait and on tablet it is not. When i remove this flag the orientation is available both on handsets and tablets.

Answer: https://stackoverflow.com/a/3821680/2746924