force portrait no avail

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Set force portrait in book setting
2. Unable system auto rotation.
3. Rotate screen and veiw change to landscape. Or, force portrait doesn't work.

What is the expected output?
No rotation of book.

What do you see instead?
Rotation like i don't set anything.

What version of the product are you using?
1.1 

On what operating system?
Android 4.4

What device are you using?
LG f6

Please provide any additional information below.

Original issue reported on code.google.com by torres...@gmail.com on 22 Jun 2015 at 12:01