Cleanup SoundSettingsFragment.

+ No functional change, but cleaner / more robust code.
+ Converted preference keys into shared string constants.
+ Reorganized code in SoundSettingsFragment into clearer helpers.
+ Defined constants for "magic" values used for sound preferences.

Bug: 19372734
Change-Id: Ic0eb44d72548909ae6c520b18e0f4e2a2d013ac6
3 files changed
tree: a82d55062550bb9d5d9e98e1d34595328ef35370
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags