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Building a Weather Application From Scratch

Adding Flexibility With Protocols

by Bart Jacobs | Jul 10, 2018 | Swift

Swift 4 Xcode 9 iOS 11

Building a Weather Application From Scratch

1	Introduction
2	Setting Up the Project
3	View Controller Containment
4	Fetching Weather Data
5	Removing Object Literals
6	Creating a View Model
7	Parsing the JSON Response
8	Handling Errors and Notifying the User
9	Adding Flexibility With Protocols
10	Creating the Day and Week View Models
11	Creating the User Interface of the Day View Controller
12	Organizing Fonts and Colors
13	Implementing the Day View Model

At the end of the previous episode, I mentioned that I'm not quite happy yet with the implementation of the RootViewModel class. It passes an instance of the DarkSkyResponse struct to the RootViewController class via a completion handler. The RootViewController class still knows too much about the weather data and its origin.

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