Showing posts with label Entity. Show all posts
Showing posts with label Entity. Show all posts

Tuesday, June 9, 2015

A Simple Swift iOS App from Start to Finish - Creating the Data Model's Wrapper Class

Introduction

This is part of a series of articles describing the creation of a simple iOS app. A complete list of the articles is included in the first part A Simple Swift iOS App from Start to Finish - Introduction.

I have set up a web site for the finished app at http://DaysWithoutThings.com and you can download it free directly from the app store:




In this article I am going to create the wrapper class for my Thing entity and implement the code for a calculated property called currentDayCount.

Thursday, June 4, 2015

A Simple Swift iOS App from Start to Finish - Creating the Data Model

Introduction

This is part of a series of articles describing the creation of a simple iOS app. A complete list of the articles is included in the first part A Simple Swift iOS App from Start to Finish - Introduction.

I have set up a web site for the finished app at http://DaysWithoutThings.com and you can download it free directly from the app store:




In this article I am going to create the Data model for my app. Core Data provides an interface that is very similar to a relational database except it defines data in terms of entities rather than tables. My app is going to keep records for the things it is tracking and the notifications it will attach to those things. To implement this I am going to create two entities which I will call Thing and Notification.