1. Return AccessibilityManager service from context. 2. Don't throw an exception if no style specifited in obtainStyledAttributes. Specifying no style is valid and it's supposed to use the default theme in that case. Bug: http://b.android.com/82712 and http://b.android.com/79218 Change-Id: Iba7097f36996e4d6f1e9db778dc73294f2854c79