ItemsDbHelper: Add proper javadoc for method flipStatus()
ItemsDbHelper: Make class DbHelper final
ItemsDbHelper: Make field mContext final
ItemsDbHelper.DbHelper.onCreate: Remove comment
ItemsDbHelper: Declare class DbHelper as static
ItemsDbHelper: Create new method getInstance() that will return single instance of the class
Change ChecklistActivity and ItemDescriptionEntryActivity to use ItemsDbHelper.getInstance() instead of creating instances directly
ItemDescriptionEntryActivity: Correct typo in method - initalizeDatabaseHelper --> initializeDatabaseHelper
ItemsDbHelper: Make constructor and method open() private
ItemsDbHelper: Initialize field mDbHelper in constructor instead of method open()