Small changes to make this more easily integrated into apps.

1) created interface for old adapter and new adapter
to implement so they can be used interchangeable
2) did null checks for chips when getting data/ contacdt ids
Change-Id: I7f47230c5cf35426b73b477f374641b271455411
3 files changed
tree: d0bfdee03734516050658d7f86972fa94f76196e
  1. res/
  2. src/
  3. Android.mk