Video icon 64
Learning to code? Skill up faster with our practical video courses. Start your free trial today.
Advertisement

Xcode

  • Core Data
    iOS 8: Core Data and Batch UpdatesPreviewimage@2x
    108 shares
    Core Data has been around for many years on OS X and it didn't take Apple long to bring it to iOS. Even though the framework doesn't get as much attention as extensions or handoff, it continues to evolve year over year, and this year, with the release of iOS 8 and OS X Yosemite, is no different. Apple introduced a few new features to the Core Data framework, but the most notable are batch updates and asynchronous fetching. Developers have been asking for these features for many years and Apple finally found a way to integrate them into Core Data. In this tutorial, I will show you how batch updates work and what they mean for the Core Data framework.Read More…
  • Core Data
    Core Data from Scratch: ConcurrencyPreview image@2x
    123 shares
    If you're developing a small or simple application, then you probably don't see the benefit of running Core Data operations in the background. However, what would happen if you imported hundreds or thousands of records on the main thread during the first launch of your application? The consequences could be dramatic. For example, your application could be killed by Apple's watchdog for taking too long to launch. In this article, we take a look at the dangers when using Core Data on multiple threads and we explore several solutions to tackle the problem.Read More…
  • iTunes Connect
    iOS 8: Beta Testing with TestFlightPreview image@2x
    117 shares
    TestFlight has been around for many years, solving a common problem, distributing iOS applications for beta testing. Earlier this year, Apple acquired Burstly, TestFlight's parent company. During this year's WWDC, Apple showed us what that acquisition meant for iOS developers. Good news, that's for sure. TestFlight has been integrated into iTunes Connect and is now available as a native iOS application on devices running iOS 8. If you plan to make use of Apple's beta distribution platform, then you'll quickly notice that a few things have changed. In this tutorial, you'll learn how easy it is to get started with TestFlight.Read More…
  • BrowserSync
    A Quick Introduction to BrowserSyncBrowsersync
    272 shares
    In this quick video tutorial I'm going to introduce you to BrowserSync, a tool so good Google built it into their recent Web Starter Kit. You can think of BrowserSync as being a bit like LiveReload (it watches for changes you make to a web page and automatically updates the browser), except that it also works across multiple devices.Read More…
  • iOS 8
    iOS 8: Integrating Touch IDPreview image@2x
    222 shares
    iOS 8 introduces the Local Authentication framework, giving developers the ability to use the device's fingerprint sensor to authenticate users. This tutorial explains how it works, discusses the security implications, and creates a sample app.Read More…
  • Core Data
    Core Data from Scratch: Subclassing NSManagedObjectPreview image@2x
    130 shares
    Earlier in this series, we created Done, a simple application to learn more about the NSFetchedResultsController class. In that project, we used key value coding (KVC) and key value observing (KVO) to create and update records. This works fine, but from the moment your project has any kind of complexity, you'll quickly run into issues. Subclassing NSManagedObject makes this much easier.Read More…
  • iOS SDK
    Adding Blur Effects on iOSPreview image@2x
    245 shares
    With iOS 7, we saw a shift in Apple's design paradigm for mobile devices. Not only did they adopt the so-called flat design, Apple also added a few elements to this pattern themselves. One of these additions is the use of blurred-translucent backgrounds to convey the notion of depth and context. Take Control Center for instance, it blurs the contents of the view behind it as it gets pulled up. This gives the user the sense that it is positioned above other content on the screen and deserves focus. It does so without making the user lose track of where she is in the app.Read More…
  • Push Notifications
    Setting Up Push Notifications on iOSPreview image@2x
    170 shares
    Apple originally introduced push notifications to enable applications to respond to events if the application isn't running in the foreground. However, the operating system and iOS devices have changed significantly during the past few years and applications don't need to rely solely on push notifications to perform tasks in the background. This doesn't mean that push notifications are no longer useful though. Let me show you how to set up push notifications on iOS in less than ten minutes.Read More…
  • Xcode
    10 Xcode Plugins for iOS DevelopmentPreview image@2x
    322 shares
    A proper plugin architecture can mean all the difference for an integrated development environment. Sublime Text and TextMate are great examples. Did you know that Xcode also supports plugins? It wouldn't surprise me if you don't, Apple hasn't put much effort into advertising that part of Xcode. In fact, there is very little documentation available to create plugins for Xcode. Fortunately, this hasn't stopped developers from creating plugins for Xcode.Read More…
  • Core Data
    Core Data from Scratch: MigrationsPreview image@2x
    105 shares
    In the previous articles of this series, we've encountered an annoying issue that we need to address. Whenever we modify the data model of a Core Data application, the persistent store becomes incompatible with the data model. The result is a crash on launch, rendering the application unusable, a serious problem if this happens to an application in the App Store. In this article, we aim to solve this issue by leveraging Core Data migrations.Read More…
  • Core Data
    Core Data from Scratch: More NSFetchedResultsControllerPreview image@2x
    109 shares
    In this tutorial, we continue our exploration of the NSFetchedResultsController class by adding the ability to update and delete to-do items. You'll notice that updating and deleting to-do items is surprisingly easy thanks to the groundwork we laid in the previous tutorial.Read More…
  • Swift
    An Introduction to Swift: Part 2Preview image@2x
    245 shares
    In the first article of this introductory series on Swift, we talked about Swift's philosophy, took a first look at its syntax, and highlighted a few key differences with Objective-C. In this article, we continue our exploration of Swift's syntax. You'll also learn about optionals and see how memory management works in Swift.Read More…
Advertisement
Advertisement