Overview of the application: Sales Record System for a Departmental Store
Automatic Master Product Update
Understanding Objective-C Protocol and Table View
Creating a sample application using a protocol and a delegate
Creating an application to display Table View cells
Adding names to the Table View
Designing a Data Model and Building Data Objects for Customers
Building data objects for the Customer entity
Understanding code of autogenerated files
Creating, Listing, and Deleting Names of Customers
Splitting the task into two modules
Creating a module to save and delete a customer's name
Implementing the methods of the NSFetchedResultsControllerDelegate protocol
Creating, Listing, Displaying, and Deleting Records of Customers
Understanding multiple managed object context
Applying the concept of multiple managed object context in our application
Enhancing our application to save, list, display, and delete customer information
didSelectRowAtIndexPath method
Updating and Searching Records of Customers
Using KVO to know what has been updated
Removing the keyboard after selecting a customer's name
Using Predicate Builder for creating a search criterion
Entering, Saving, Listing, and Deleting the Records of the Products Sold to the Customers
Adding the product entity to the Data Model
Establishing a relationship between the Customer and the Product entities
Building the data object for the Customer and the Product entities
Entering the information of the products sold to the customers
Creating a module to develop an interface to enter the product information
Developing a module to create a menu for manipulating the product information
Creating a module to connect the Product's menu to the rest of the project
Entering, Displaying, and Deleting the Stock
Adding the MasterProduct entity to the Data Model
Storing the image of the MasterProduct
Building the data object for the MasterProduct entity
Maintaining the MasterProduct information
Module to connect the MasterProduct's menu to the rest of the project
Module to modify the information of the master product
Displaying the Products for Sale and Updating the Stock
Displaying the products available for sale
Automatically updating the quantity of the product in the MasterProduct entity