tree 8b486c4dc966b29dfa3b87bafcbcbf313c3d94d4
parent 469e7b4a49a1a39c7fc22aa206730b9d58613467
author Luo Gang <crysis.linux@gmail.com> 1548148363 +0800
committer Darryl Pogue <darryl@dpogue.ca> 1555221898 -0700

implement setPreference and setPlatformPreference