Add advanced 3rd project for setting screen
Add image for include and merge
Add advanced 3rd project for include and merge
Add image for detail view
Add image for dialog
Add image for dialogs regions
Add advanced 3rd project for dialog
Add advanced 3rd practice project for include
Add image for dialog and preference
Fix preference callback sample
Add advanced 3rd practice and assignment project
Fix fragment inner class  is static
Add practice session for dialog
Fix defaultValue of ListPreference