How we cut our iOS app’s launch time in half (with this one cool trick)
How we cut our iOS app’s launch time in half (with this one cool trick) Building with frameworks at Automatic has sped up our development workflow and improved our code quality by enforcing strong boundaries between our components. In total, our iOS app contains over 40 first and third-party frameworks: one for consuming our HTTP APIs, another for interacting with our hardware devices via CoreBlue
Ultimate Guide to JSON Parsing with Swift
Prior to Swift 4, parsing JSON was a common (yet cumbersome) process of dealing with untyped arrays and dictionaries. Now Swift comes with Codable, an incredibly powerful system for encoding and decoding types. There has been a number of great libraries for dealing with this task, but it is quite refreshing to see a fully-supported solution that is easy to adopt but also provides the customization
Swift vs. React Native Feels
So this past week, my colleague Orta wrote a blog post, Retrospective: Swift at Artsy. It’s a long read, but worth it. The post describes why we made the decision to move all new development into React Native instead of Swift. So here’s my side of the story: my team make a decision I disagreed with, but it turned out to be the right decision for us. I had to come to terms with that. See, I like Sw
Better MVVM setup with POP and Runtime
Even if we are writing pure Swift code in our app, we still deal with Objective-C Frameworks like UIKit. Let's take a look at how we can improve our MVVM architecture by leveraging a little bit of Objective-C runtime and Protocol Oriented Programming. Popular MVVM setupPretty standard approach for MVVM architecture is to have both UIView and UIViewController have a corresponding ViewModel. An impr
#23 Notifications in iOS 10 – swifting.io
Type your search terms above and press return to see the search results. iOS 10 gave us new rich notifications with a lot more functionalities comparing to old ones. We can view photos and videos or respond to a message right from our notifications. In this post I would like to focus on them, show you some code snippets, examples and good practices. I hope it will be helpful for development in you
Measurements and Units with Phantom Types
This is a bonus post in my little series on the new units of measurement types in Foundation. While I like Apple’s API, I thought it could be interesting to explore a slightly different approach to the same problem. Particularly, I was interested in the question if a pure Swift design could be significantly better than Apple’s interface, for which Objective-C compatibility inevitably is a prime co
NSLondon: Swift Package Manager
30. June 2016 I had the pleasure of speaking at NSLondon on June 30th, 2016 about the Swift Package Manager. Slides and video below. Slides
Dependency Injection in Swift
Design and Strategy: How to Deal with People Who Don’t "Get" Design
Protocol-Oriented Views in Swift
Posted on May 13th, 2016 Join me for a Swift Community Celebration 🎉 in New York City on September 1st and 2nd. Use code NATASHATHEROBOT to get $100 off! I recently gave a talk on Practical Protocol-Oriented-Programming(POP💥) in Swift. The video is still being processed. Meanwhile, here is the written-up version of the POP View part of the talk for reference (for me and anyone else!). The Setup
Top 5 iOS and Swift Newsletters
It’s hard to keep up-to-date as an iOS and Swift developer. Every day, new articles, tutorials, and open source libraries are released. How do you keep up with this flood of information? One good way is to subscribe to iOS and Swift newsletters, so that every week you can receive an email with the week’s highlights. In this article, we’ll share a list of what the tutorial team and I consider the t
Building Fabric.app in Swift
About the content This content has been published here with the express permission of the author. When the Fabric team at Twitter wrote their new iOS app, they turned to Swift. Why? Javi Soto walks through their decision, and tells why they picked a language that emphasizes stability and maintainability & supports dependency injection, code generation, MVVM, and error reporting. Introduction (00:0
Regarding Swift build time optimizations
After I read @nickoneill’s excellent post Speeding Up Slow Swift Build Times last week, it’s hard not to look at Swift code in a slightly different light. A single line of what could be considered clean code now raises a new question — should it be refactored to 9 lines to please the compiler? (see the nil coalescing operator example further down) What is more important? Concise code or compiler f
Swift Style Guide: April 2016 Update
Good news – we have updated our popular Swift Style Guide for Swift 2.2! Here at raywenderlich.com, we want to have a consistent style for you in our tutorials, books, videos, and conference materials. We believe it improves readability, and makes our content easier and quicker to understand. At the same time, we want to avoid making a style guide so strict that an author feels like they are weari
Swift Enums as namespace
While moving from objective-c to swift many developers have found swift’s enums to be much powerful tool than it used to be before. It’s algebraic nature (data exclusivity) and excellent native compiler support (powered by pattern match) made it so much easier to do a lot of routine stuff. Also, people noticed that it’s now easier to leverage static type checks that come along with these enums to
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Swift Scripting Redux: Localization
Reactive Cocoa: A 6 Step Guide
GitHub - alexdrone/Render: UIKit a-là SwiftUI.framework [min deployment target iOS10]![GitHub - alexdrone/Render: UIKit a-là SwiftUI.framework [min deployment target iOS10]](https://cdn-ak-scissors.b.st-hatena.com/image/square/bdce70899f96728469f486b57b0abddc9f7650e6/height=288;version=1;width=512/https%3A%2F%2Fopengraph.githubassets.com%2F4b5bf06e864f849edc3f433d940b633e8ef07cb21615e06f36d1a9e27f8b703b%2Falexdrone%2FRender)
Refactoring to: Creation Method
Reactive Programming with Realm
Testing IBOutlets and IBActions With Curried Functions in Swift