Lock screen orientation when targeting Android API 27 with a non-opaque activity

Question

I have an activity that has android:windowIsTranslucent set to true and android:windowBackground set to a translucent background. I ju

Answer 1

I also faced the same problem. As others said, If I deleted android:screenOrientation="portrait" or overrided it with android:screenOrientation="unspecified", then the exception was gone. And it seems that the front activity's orientation follows the behind activity's orientation.

I thought about it. If the front activity is transparent and the behind activity's orientation is different, the display becomes strange. So, I can understand why this check logic was added However, I wonder that why this problem was not occurred in Developer Preview 8.0.0.