PODCAST

NSScreencast (free videos)

Ben Scheirman

Bite-sized screencasts on iOS development.

technology software how-to

All Episodes

#406 - Tinting an Image Using Masks

NSScreencast (free videos) ·

2019/08/15

Sometimes we need to create variants of our icons. This can be done by using template images and using a UIImageView with a tintColor change, however sometimes this isn't feasible. We can use our icons along with a mask to create new images of whatever color we want. In this episode we'll use UIGraphicsImageRenderer to quickly draw a new dimmed image for a highlighted button state.

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#400 - SwiftUI Gestures

NSScreencast (free videos) ·

2019/07/12

Attaching gestures works quite a bit differently in SwiftUI than in UIKit. In this episode we will look at the @DragGesture property wrapper and how we can use gestures to update custom state that we can then use to transform our UI.

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#399 - SwiftUI Transforms and Animations

NSScreencast (free videos) ·

2019/07/11

SwiftUI's declarative nature makes building UIs incredibly easy. In this episode we will build a wallet UI with cards. We will create a CardView so we can reuse it in multiple places. Then we will use transforms to alter it's size and position. Finally we will see how declarative animations work as we expand the cards apart.

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#397 - Tip Calculator in SwiftUI

NSScreencast (free videos) ·

2019/06/14

Now that we've seen a taste of SwiftUI, let's dive into a real example and build an app. We'll have a first look at @State variables we can use to creating a binding between our state and our UI, and we'll run into a few puzzling errors and see how we can coax Xcode into giving us the right error message.

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#396 - Hello, SwiftUI!

NSScreencast (free videos) ·

2019/06/13

Back from WWDC 19 and blown away by the announcements. There's a lot to cover, but we'll start by digging into the most exciting announcement: SwiftUI. This is going to change everything...

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#367 - Parsing and Formatting Dates in Swift

NSScreencast (free videos) ·

2018/12/13

Working with dates is a task that is universally applicable to Swift developers. Particularly when dealing with an API, dates can arrive in all shapes and sizes. We‘ll examine some of the common ones such as ISO 8601, show how to parse these formats into Date instances, and how to use DateFormatter to display them back again as a string. We‘ll also cover the importance of using en_US_POSIX and honoring the user‘s Locale when displaying dates.

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#356 - Integrating Push Notifications - Part 2

NSScreencast (free videos) ·

2018/09/20

In this episode we configure our iOS app to receive push notifications, adding the OneSignal SDK to our project, configuring the Notification Service extension, and testing it out on a real device.

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#355 - Integrating Push Notifications - Part 1

NSScreencast (free videos) ·

2018/09/16

In this episode we look at how to generate a certification for adding push notification support for your app, using OneSignal as our push notification provider

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#319 - Setting Up the Terminal

NSScreencast (free videos) ·

2018/01/15

In this episode we will setup iTerm2, profiles, custom color schemes, and fonts.

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#318 - System Preferences

NSScreencast (free videos) ·

2018/01/12

In this episode we look at some of the basic system preferences on macOS High Sierra. We set up the Dock, Keyboard shortcuts, and show how to customize key repeat timing outside of the preferences window.

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#309 - Automatic UITableView Paging

NSScreencast (free videos) ·

2017/11/02

UITableView can support scrolling through many rows of data, however fetching large amounts of remote data can slow down your app, use up too much memory, and bog down your web server. This is all wasteful if users aren‘t ever going to scroll down that far. In this episode you‘ll learn how to perform automatic UITableView pagination using an easy technique.

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#259 - Hello Cloud Kit - Part 2

NSScreencast (free videos) ·

2017/03/09

In order to use CloudKit to read or write private data (or to write in the public database) the user will have to be signed in to iCloud on their device. If they are not, they'll not have a great experience, and things won't work. In this episode we'll check the account status before trying to save a record in CloudKit. We'll also respond to the notification to know when the user's account status has changed so we can react accordingly.

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#258 - Hello Cloud Kit - Part 1

NSScreencast (free videos) ·

2017/03/02

The first episode in a new series on CloudKit, here we see how to setup our project to use CloudKit as well as how to create and save our first record.

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#248 - Poker Hands - Part 1

NSScreencast (free videos) ·

2016/12/22

In this episode I am joined by Soroush Khanlou. Together we pair up to implement the Poker Hands Kata. We start off by parsing the raw string input into structured types, complete with tests.

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#191 - Swift 2 Optionals

NSScreencast (free videos) ·

2015/10/08

In this free episode, we take a look at a core Swift 2 feature: Optionals. Unlike Objective-C, where nil is considered a no-op, in Swift nil is specifically recognized by the compiler, which forces you to handle cases where nil might be present in a variable.

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#189 - Swift 2 Functions and Extensions

NSScreencast (free videos) ·

2015/10/01

In this free episode, Ben explores Swift 2 functions, how argument labels work, returning tuples, the guard clause, as well as extending behavior on core types.

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#187 - Swift 2 Basics

NSScreencast (free videos) ·

2015/09/17

In this episode we take a look at Swift 2's basic types such as Int, Double, Bool, Array, and Dictionary. This episode is part of a series covering Swift 2 from a beginner's perspective.

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#158 - Road Trip DJ - Part 3

NSScreencast (free videos) ·

2015/02/26

Continuing our build out of Road Trip DJ, this time I focus on the music player, and keeping the play/pause button in sync on UIToolbar, which proves to be more difficult than it should be.

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#157 - Road Trip DJ Part 2

NSScreencast (free videos) ·

2015/02/19

In this episode we continue Road Trip DJ and implement the media picker controller, talk about the different modes that in can operate in and how that affects the usability of this app. We also consider how we're going to build a playlist and keep appending items to it.

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#156 - Road Trip DJ Part 1

NSScreencast (free videos) ·

2015/02/13

In this episode we start building an app from scratch called Road Trip DJ. The idea is the build a playlist of music on the fly while it is playing. This is an app I've wanted to build for a while and it serves as a good, small app we can build from start to finish.

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