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Updated Regularly

Bite-sized videos on iOS development.

The iOS landscape is large and changes often. With short, bite-sized videos released on a steady schedule, NSScreencast helps keep you continually up to date.

Up to date with Xcode 12 and iOS 14

We cover the latest and greatest to get you up to speed quickly.

UIKit, SwiftUI, and macOS

In our catalog you'll find a wide variety of topics and UI frameworks.

Swift Language

Increase your knowledge of the Swift language and take advantage of new Swift language features as they are developed.

High Quality Videos

We stress the details. Each screencast is carefully produced in HD quality.

Short and Focused

We don't want to waste your time. Most videos are between 10 and 20 minutes long.

Any Device

Stream on the web or use our native apps for iOS or the tv.

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Have I mentioned lately how awesome NSScreencast is? No? Worth the subscription. Check it out if you’re an iOS developer. Or even if you’re not and you want an example of how to do coding screencasts well.

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One 13-minute episode of @NSScreencast just paid for the yearly subscription fee in amount of time saved. Do it.

Seriously great stuff even for seasoned developers. I’ve learned a good amount from Ben’s videos.

You can really expand your development horizons in just a few minutes a week with NSScreencast.

Random PSA for iOS developers: @NSScreencast is a great resource, and worth every penny. It’s high quality, practical, and honest.

Can’t say enough good things about @NSScreencast There is gold in the Road Trip DJ Series.

I just reuppped my subscription to @NSScreencast. [An] indespensible resource if you’re into iOS or Mac Development.

Just finished @NSScreencast series on Modern CollectionViews. Strongly recommended. Programmatic UI, nicely structured code, easily approachable explanation style. 👌

  • #542

    Storing secrets in plain-text in your source code is not a great idea. It can lead to leaking this information to the wrong people (or to a wider audience than is necessary), it makes rotating these keys difficult, and it makes it trivial for people to see these secrets in your compiled application binary. In this episode we will utilize an obfuscation approach that may just be good enough for many use cases.

  • #541

    When working on a large project with multiple developers, we often find ourselves in contention with the Xcode project.pbxproj file. Conflicts here are not easy to solve manually, and if you make a mistake Xcode won’t load the project at all, requiring you to fix it manually. In this episode we will explore migrating to a solution where the project file is generated using a tool called Xcodegen.

  • #540

    Todo App in SwiftUI

    In this episode we fix an issue that caused our sorting logic to be lost after adding persistence.

  • #539

    Todo App in SwiftUI

    Now that we have a working Todo app, it's time to focus on persistence, so that our changes are kept when we launch the app. This will change the structure slightly, as we'll bring in a popular new library called Boutique and its Store to provide this facility. We'll also introduce the concept of a "controller", which is more of a model controller than a controller you might be familiar with in UIKit MVC.

  • #538

    Todo App in SwiftUI

    In this video we discuss a couple of options for implementing drag to reorder so that we can reorder our todos. We also implement a feature to automatically move completed todos to the bottom, and bringing them back when unchecked.

  • #537

    Todo App in SwiftUI

    In this episode we'll implement swipe to delete so we can remove todo items.

  • #536

    Todo App in SwiftUI

    In this episode we make the todos editable and implement keyboard avoidance. We create a "new todo" button and then set up programmatic control over focus. Along the way we'll see why choosing a proper Hashable value is important.

  • #535

    Todo App in SwiftUI

    In this episode we design a checkbox for our todo UI. We see how we can stroke and fill shapes, how to use InsettableShape, and how to apply a shadow without applying it to every view in the hierarchy.

  • #534

    Todo App in SwiftUI

    Kicking off a new series on building a Todo App in SwiftUI. In this episode we focus primarily on the preliminary data structure, deciding who owns this data and when to use State versus Bindings when separating our app into distinct views.

  • #533

    Bindings are a core concept in SwiftUI. We can easily convert a @State property wrapper to a binding of its value, and we can traverse keypaths to get Bindings of nested values. What if we wanted to transform the values, or update values inside of collections? In this episode we will explore creating map for transforming bindings, unwrap for transforming optional bindings, and take a look at how bindings with collections work under the hood.

  • #532

    Property Wrappers are great for encapsulating cross-cutting concerns and simplifying common patterns. However, previously it seemed impossible to access the enclosing instance to enable more advanced and useful behaviors. As it turns out, this was supported all along, just in a not-so-obvious way. Let me show you.

  • #531

    Sometimes we run into issues where SwiftUI doesn't quite do what we need. In some cases, SwiftUI views are powered by UIKit under the hood. Wouldn't it be great (and devious) to dig into the underlying UIKit views to customize things when vanilla SwiftUI just won't cut it? In this episode we'll look at a technique for discovering the UIKit underneath SwiftUI views.

  • #530

    In this episode we will examine FocusedValue and FocusedBinding, which are property wrappers that allow you to react to some state when a nearby field gets focused.

  • #529

    There are a number of types, propertyWrappers and view modifiers describing "focus" so it is not immediately obvious what they are all for. In this episode we will see how we can control focus for a text field in SwiftUI. We'll see how to use simple Bools as well as your own types to describe which field has focus. Finally we'll touch on a common request that doesn't yet have a great answer: setting focus in onAppear.

  • #528

    In iOS 15 we can take advantage of the long-awaited OSLogStore, which allows you to capture and filter logs for your process on device. In this episode we will examine the NSScreencast application, which utilizes logging pretty extensively. We will build a rudimentary debug shake menu to show recent logs.

  • #527

    iOS 14 brought some nice improvements to os_log via a new type called Logger. This leverages Swift's StringInterpolation type to make it much more usable for formatting values inside your logs. It does this without sacrificing the privacy and performance that makes os_log so appealing. In this episode we will see how we can adopt this new API as well as how StringInterpolation works under the hood.

  • #526

    One of the most impactful things you can do to improve productivity is to improve turnaround time when iterating on features. Playgrounds and Xcode Live Previews are great, but both have their limitations. In this episode we will explore how to utilize hot module reloading to have the simulator automatically reflect your changes when you save. It's magic, and will blow your mind!

  • #525

    Building a Wordle Clone in SwiftUI

    We now have all the pieces in place to make this game playable. We'll choose a random word, and then move on to detecting won/lost games and provide the ability to restart and keep playing.

  • #524

    Building a Wordle Clone in SwiftUI

    In this episode we create a custom transition using a GeometryEffect to add a nice flip animation for the letters as they are revealed.

  • #523

    Building a Wordle Clone in SwiftUI

    Now that we have some information associated with each of our typed characters, we can use that to color each letter according to its status.

  • #522

    Building a Wordle Clone in SwiftUI

    This time we'll focus on moving on from a simple string to a data structure that can capture the status of each guessed letter.

  • #521

    Building a Wordle Clone in SwiftUI

    In this episode we will handle the enter key and migrate our state to contain an array of guesses. We will then refactor to an observable object to better encapsulate state changes and to enable testability.

  • #520

    Building a Wordle Clone in SwiftUI

    Let's make the letters bounce a little as they are being typed. To do this we'll have to see how animated state changes are performed and how we can restructure our view hierarchy to achieve the results we're after.

  • #519

    Building a Wordle Clone in SwiftUI

    In this episode we'll design a letter grid and build up text input using a hidden textfield, displaying the typed letters in our own UI.