PODCAST · technology
The iOS Dev Diary
by Jay Versluis
Join your friendly next-door hacker Jay Versluis for tips and tricks on iOS and macOS Development with Xcode and Objective-C.
Episodes
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Building a Day Counter on iOS – Part 3
In this series I’ll show you how to create a simple Day Counter on iOS, using Objective-C and Xcode 9. The idea is to set a date in a settings screen, and then see how many days have elapsed on the main screen right after launching the app. This is a 3-Part Mini-Series: Part 1 is all about…
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Building a Day Counter on iOS – Part 2
In this series I’ll show you how to create a simple Day Counter on iOS, using Objective-C and Xcode 9. The idea is to set a date in a settings screen, and then see how many days have elapsed on the main screen right after launching the app. This is a 3-Part Mini-Series: Part 1 is all about…
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Building a Day Counter on iOS – Part 1
In this series I’ll show you how to create a simple Day Counter on iOS, using Objective-C and Xcode 9. The idea is to set a date in a settings screen, and then see how many days have elapsed on the main screen right after launching the app. This is a 3-Part Mini-Series: Part 1 is all about…
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How to present a view controller on top of a UISplitView Controller – Part 2
The second part of this mini-series about presenting another UIViewController on top of a UISplitViewController in iOS 9 and Xcode 7. Check out the first part here, complete with code snippets and a link to the full project. Enjoy! Watch the full course in one convenient playlist: Catch this...
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How to present a view controller on top of a UISplitView Controller – Part 1
Since its introduction in iOS 5, our good friend the UISplitView Controller has always had a really annoying habit: it has to be the root view controller in our apps. This means that it cannot be presented from any other view controller, nor can the split view controller present other view...
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Building a searchable UITableView in iOS 9 – Part 4
In this final part of our project we’ll finish off the app by implementing a little Key Value Observation magic. This will let us update our second UITableViewController when new search results are to be displayed. Check out the first part here, as well as a link to my demo project. Enjoy! Watch...
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Building a searchable UITableView in iOS 9 – Part 3
In this part of our series we’ll take a look at how we actually filter the data that is displayed in the searchable table view. We do that using an NSPredicate. Check out the first part here, as well as a link to my demo project. Enjoy! Watch the full course in one convenient playlist: Catch this...
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Building a searchable UITableView in iOS 9 – Part 2
In the previous part we’ve setup our project and the relevant graphical bits to make the app display the table view. Now it’s time to implement the UISearchController object that will be at the heart of letting users sift through our search results. We’ll do that in this part. Check out the first...
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Building a searchable UITableView in iOS 9 – Part 1
In this 4 part course I’ll show you how to build a searchable UITableView using iOS 9.1 and Xcode 7.1. Part 1 will talk you through how to build a UITableView with dummy data In Part 2 I’ll show you how to use a UISearchController to display a second table view In Part 3 we’ll discuss how to…
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How to load UIStoryboards depending on screen height in iOS
A while ago I’ve written an article about how to load different storyboards depending on the screen size of an iOS device. Back in those days (2013) it was all a bit simpler than it is today, and I looked into it mainly because I loathed Auto Layout so much. I felt it was time for an update, so...
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How to build a UICollectionView in iOS 8
In this episode I’ll show you how to build a UICollectionView from scratch in Xcode 6. The class is available for both iPhone and iPad since iOS 6. If you know how to build a UITableView then building a UICollectionView will be familiar to you. I’ll start with a single view application, delete…
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How to create an Unwind Segue in iOS 8
The Unwind Segue was introduced in iOS 6 to make retrieving data from a dismissed view controller easier. A regular Segue allows us to send data from one view controller to another, but it’s not easy to bring data back if the user has changed or added details in that view controller. That’s where...
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How to speak Core Data
In this episode core data I’ll talk you through the lingo of Core Data: those scary classes and expressions that you’ll frequently come across. In fact, this is the start of a new series: Core Data Nuggets are bite-sized chunks about the framework. Dip in and out or watch them all in a row and …...
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Creating an In-App Purchase in iOS 7 – Part 6: Restoring
And finally in the last part I’ll show you how to restore purchases. Note that you must implement a restore option for non-consumable products or the review team will reject your app. Demo Project You can download the full source code of what I’m building in this screencast on GitHub:...
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Creating an In-App Purchase in iOS 7 – Part 5: Testing
In this part we’ll see our hard work comes to life on a real device while we’re performing our purchase in the App Store Sandbox. Demo Project You can download the full source code of what I’m building in this screencast on GitHub: https://github.com/versluis/In-App-Purchases/ Further Reading I’m...
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Creating an In-App Purchase in iOS 7 – Part 4: The Purchase
Learn how to make the purchase in this part of our series about in-app purchases. Demo Project You can download the full source code of what I’m building in this screencast on GitHub: https://github.com/versluis/In-App-Purchases/ Further Reading I’m following my earlier two articles almost to the...
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Creating an In-App Purchase in iOS 7 – Part 3: StoreKit Observer
In this part we’ll setup the observers needed to react to responses from the App Store. Demo Project You can download the full source code of what I’m building in this screencast on GitHub: https://github.com/versluis/In-App-Purchases/ Further Reading I’m following my earlier two articles almost…
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Creating an In-App Purchase in iOS 7 – Part 2: Custom Shop Class
In this part I’ll talk you through building a custom shop class and how to make “first contact” with the App Store. Demo Project You can download the full source code of what I’m building in this screencast on GitHub: https://github.com/versluis/In-App-Purchases/ Further Reading I’m following my...
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Creating an In-App Purchase in iOS 7 – Part 1: Setup
In this 7-part screencast series I’ll show you how to create an In-App Purchase in iOS 7 with Xcode 5.1. The course will run you through everything from setting up your product in iTunes Connect, creating a custom shop class for easy re-use, making “first contact” with the App Store and how to…
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How to use Popovers on iPad – Part 3: Image Picker
In this series I’ll show you how to create Popovers on iPad. They’re fairly easy to create once you get the hang of the inner workings of the UIPopoverController. I’ll show you how to create basic Popover in code and in your Storyboard, and we’ll discuss how you can retrieve data from a Popover...
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How to use Popovers on iPad – Part 2: Storyboard
In this series I’ll show you how to create Popovers on iPad. They’re fairly easy to create once you get the hang of the inner workings of the UIPopoverController. I’ll show you how to create basic Popover in code and in your Storyboard, and we’ll discuss how you can retrieve data from a Popover...
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How to use Popovers on iPad – Part 1: Code
In this series I’ll show you how to create Popovers on iPad. They’re fairly easy to create once you get the hang of the inner workings of the UIPopoverController. I’ll show you how to create basic Popover in code and in your Storyboard, and we’ll discuss how you can retrieve data from a Popover...
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How to convert your iPhone Storyboard into an iPad Storyboard
Sometimes it’s just easier to start from an existing Storyboard rather than build everything again from scratch. Especially so when you want to create an iPad version of your iPhone app. When you change your deployment info to Universal, Xcode even offers to copy your existing storyboard for you....
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iCloud in your iOS Apps – Part 5: Initial Import Hack
In this final part of the series I’ll let you in on a little secret that will help our app synchronise iCloud Core Data for the first time when it’s installed on another device. Some devices it appears don’t display existing iCloud results upon first launch. To remedy this, I’ll show you how to...
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iCloud in your iOS Apps – Part 4: iCloud and Core Data
In this part we’ll talk about how to make your Core Data powered app work with iCloud. This involves adding an option to your persistent store coordinator which will allow Core Data to write log files to iCloud. When changes are detected, the local Core Data store can merge them using those log...
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iCloud in your iOS Apps – Part 3: Document Storage
In this part I’ll show you how to use your app’s ubiquitous folder to store arbitrary files in a user’s iCloud store. We’re not going to cover the UIDocument class here because it adds a layer of complexity to an already difficult subject, and for simple files it’s just not necessary. We’ll also...
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iCloud in your iOS Apps – Part 2: Key/Value Storage
In this part I’ll show you how to store and retrieve data using the NSUbiquitousKeyValueStore singleton, and how to receive the relevant notification so that your app can react if data has changed in iCloud. Watch the whole series Part 1 is about Setup and Prep Work Part 2 is about using…
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iCloud in your iOS Apps – Part 1: Setup
In this 5-part series I’ll show you how to use iCloud in your iOS Apps. We’ll discuss the whole picture, starting with how to setup Xcode and your app, including App ID and Provisioning Profiles and I’ll demonstrate how to use all three flavours of iCloud: Key Value Storage Document Storage and...
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How to dismiss the keyboard from a UITextField in iOS
In this episode I’ll show you how to dismiss the iOS Keyboard, which is commonly brought up by a UITextField – but doesn’t want to leave easy once summoned. It’s easy to overlook a step in this procedure, so I thought a screencast is in order. We’re discussing two dismissal options here: when the...
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How to populate an NSTableView in code
I’ve previously shown you how to populate an NSTableView using Bindings and an array controller. Today I’ll show you how to do it in code. It’s relatively simple and very similar to powering a UITableView. The main difference is that in Cocoa we don’t have a controller object that comes bundled...
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How to bind an NSArrayController to an NSTableView
In this episode I will show you how to bind a Table View to an Array Controller in Cocoa, using Xcode 5.1 and OS X Mavericks. We’re using Core Data to save our entries and – check it out – we’re not writing a single line of code! Cocoa Bindings is one of the most … Continue reading How to bind an...
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How to tear down your Core Data Stack
You may have heard this expression before: “You need to tear down your Core Data stack before you do xyz”. It’s frequently mentioned in the Apple documentation – sadly without telling us what on earth this means or how to do it. I had assumed that it means rebuilding every aspect of Core Data,...
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How to use Git Branches in Xcode 5.1
In this episode I will show you how to use the Git Branch feature in Xcode 5.1. Branches are helpful if you’re developing your app. You can isolate a “working” version, create a new branch and fiddle with new features that may destabilise your project. You can then commit your changes – working…
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How to use Git Tags in Xcode 5.1
In this episode I will show you how to make use of Tags in Git. This is not supported in Xcode or GitHub for Mac at the time of this recording (April 2014). I will also show you how to utilise the Tag/Release feature on GitHub.com. Tags are a useful feature if you want to … Continue reading How…
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How to create a searchable UITableView (2014)
In this course I will show you how to create a searchable table view in Xcode 5.1 and iOS 7. The app will also be compatible with iOS 6. There are six parts in total: Part 1: an overview of what we’d like to achieve Part 2: we’ll build the table view and populate it … Continue reading How to…
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How to push a local Xcode Project to GitHub.com
In this episode I will show you how to push an Xcode project to GitHub.com. This is useful if you want to share code you have written with others. The GitHub for Mac app makes this a breeze because it talks to GitHub and creates a remote repo on your behalf. It also sets that … Continue reading…
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ABOUT THIS SHOW
Join your friendly next-door hacker Jay Versluis for tips and tricks on iOS and macOS Development with Xcode and Objective-C.
HOSTED BY
Jay Versluis
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Frequently Asked Questions
How many episodes does The iOS Dev Diary have?
The iOS Dev Diary currently has 36 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is The iOS Dev Diary about?
Join your friendly next-door hacker Jay Versluis for tips and tricks on iOS and macOS Development with Xcode and Objective-C.
How often does The iOS Dev Diary release new episodes?
The iOS Dev Diary has 36 episodes. Check the episode list to see recent publication dates and frequency.
Where can I listen to The iOS Dev Diary?
You can listen to The iOS Dev Diary on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.
Who hosts The iOS Dev Diary?
The iOS Dev Diary is created and hosted by Jay Versluis.
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