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Bite-sized screencasts on iOS and Mac development.
Displaying Episode 289 - 312 of 355 in total
In this episode we take the shape file data we parsed in episode 66 and use it to draw outlines around US States. We do this using the MKPolygon overlay in combination with MKPolygonView, which allows us to fill & stroke the provided vertices.
In this episode I cover how to parse ESRI Shapefiles and their DBF attribute counterparts, in order to get a list of vertices of US State boundaries. This episode covers interacting with a C library (shapelib). The data extracted will be useful in the next episode.
In this short episode I quickly cover the Alcatraz Package Manager for Xcode, which allows you to easily install many user contributed plugins and color shemes in Xcode.
In this episode I continue our WhatsAround sample from Episode 63. Using the Foursquare API, we fetch coffee shops near the user's location and display a pin on the map for each using the MKAnnotation protocol.
In this episode I go over how I typically start new projects. I start off when an empty app template, do a bit of organization with groups to keep things tidy, introduce CocoaPods and a workspace, and wrap it up by setting up a map view controller using Storyboards on both the iPhone and the iPad. This project will be handy to use as a base for future episodes.
In this episode we continue with our example from last week's logging episode, and discuss how you can retrieve your logs out in the field. We use a pod called SSZipArchive to zip up the files as well as MFMailComposeViewController to enable testers to send us detailed logs of what is happening in the app.
In this episode we take a look at a fast & flexible alternative logging framework for iOS called Cocoa Lumberjack. We take a look at the various loggers that are available and how to write logs to a file.
We continue with our example chat application here and add the ability post a message, poll for updates, and receive push notifications. This episode utilizes a pod calles MessagesTableView controller to present an SMS like interface for the messages.
This week we take a look at Windows Azure Mobile Services, a back-end for mobile applications that has first class iOS support. In this episode we begin building a full featured chat application. This is part 1 of 2, in which we set up a new mobile service, wire up the SDK with CocoaPods, set up Twitter authentication and enrich the data using Javascript on the server.
This episode has been sponsored by Microsoft.
In this episode I create a container view controller using the UIViewController containment APIs. The container view controller mimicks a style where the starting view controller fades into the background instead of sliding to the left.
In this episode we build on our Social App from episode 56 and add Facebook support. We cover setting up an Facebook application and the requisite permissions required to authenticate & fetch a user's friend list, all using the Social Framework in iOS 6.
In this episode we implement the Social framework in order to integrate with Twitter. Using the provided framework, we issue an authenticated API call to get a list of Twitter followers for a given account, as well as compose a tweet with the new SLComposeViewController.
In this app I cover iOS application versioning. I cover what the purpose of CFBundleVersion and CFBundleShortVersionString are, how to set them, and how to use agvtool to automatically increment build numbers for any distributed build.
In this episode we take a look at Pony Debugger, a fantastic little tool by the fine folks at Square, to inspect HTTP traffic and dive into our Core Data model all via a Chrome inspector pane in the browser.
This episode covers some additional pieces of RestKit, abstracting network requests even further by providing a route & mapping for a given object and utilizing RKObjectManager to perform the work for us. Instead of using a live API, we verify the behavior using SenTestingKit.
In this episode we continue on our exploration of RestKit, this time with a focus on CoreData. It turns out to be fairly easy to change our existing code to support saving the responses into NSManagedObject classes in a database.
RestKit is a framework that aims to simplify the "plumbing" of your application to allow you to focus on your core features. In this screencast, I focus on fetching JSON from an API and mapping it onto our own objects using RestKit's mapping features.
In this episode we design a custom table view cell including a designing custom repeatable background & highlight images in Photoshop, dynamically layout out the labels, as well as observing a tricky problem regarding cell animations. We also take a look at how to profile the graphics performance (FPS) using Instruments.
In this episode I cover a few of the available 3rd party libraries for implementing a slide to reveal menu, similar to what you see in the Facebook application.
In this episode we examine Xcode's code snippets feature and how it can speed up your day to day development. We also take a look at a handy gem for easily installing code snippets you've found online.
Detecting touches used to be a chore. Thanks to the UIGestureRecognizer family of classes, detecting touches & gestures is a breeze. In this episode we implement a Photo Table where you can add photos, move them around, as well as pinch & rotate.
In this episode we dive into UICollectionView for displaying ... collections of views. We start by looking at how to tweak the builtin UICollectionViewFlowLayout as well as extending to create an interesting custom variation.
Here we continue on with our In App Purchase example, but this time we take the receipt given to us by StoreKit and we send it to our custom rails server to be validated with Apple.
In this episode I dive into the world of IAP (In App Purchases) using StoreKit. I start by creating a product in iTunes Connect, retrieving that product on the device, and emulating the App Store buy confirmation buttons using a handy CocoaPod.