Refactor DirectoryFragment.

Consolidate data logic in a DirectoryFragment.Model class, instead of
having it spread out between the DirectoryFragment and the DocumentsAdapter.

BUG=23518578

Change-Id: I7c2b6c7aa388f5872ac18c320b86445f3c354792
2 files changed
tree: a61338c1038697e385750f2bcd763061f4db9c59
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. wrap_alpha.py