Category Archives: iOS

And… I’m Back – Juvinated – Live Analog Studio Synth Jam

Posted on July 6, 2012 by jjob

The last few months have been like a dream; a very bad dream of a long slow motion car crash where you are in the passenger seat and can see the accident coming and have time to tell the driver … Continue reading →

Posted in Eurorack, iOS, iPad, live recording, mixing, modular, patching, sound, Synth, track | Tagged 4ms, Eurorack, Genome midi sequencer, iPad, live jam, MakeNoise, MIDI, modular, RME, Roland, Soundcraft, synth, TipTop, Yamaha | Leave a comment

Updating An sqlite CoreData Backing Store On iOS

Posted on April 14, 2012 by jjob

Something that has unpleasantly surprised many an iOS developer is that to update the data in an sqlite database that is the backing store for CoreData you need to do more than just make a new release of your app … Continue reading →

Posted in app, code, iOS, iPad, iPhone, Objective-C | Tagged backing store, CoreData, database update, iOS, iPad, iPhone, sqlite, versioning | 2 Comments

Handy Scripts For Localizing iOS XIB Files

Posted on April 11, 2012 by jjob

Recently I have been working on more and more iOS projects that require localization. One of the things that I find needs to be done fairly often while implementing localized XIB files is to extract all the strings from your … Continue reading →

Posted in app, code, Interface Builder, iOS, iPad, iPhone, Ruby, script | Tagged IB, Interface Builder, iOS, iPad, iPhone, localization, Ruby, script, XIB | Leave a comment

How To Combine Two Images In iOS

Posted on April 1, 2012 by jjob

A question that has been asked a lot on my iOS Still Image Capture With AVCaptureSession post is how to combine the overlay image that is shown with the image that is being captured by the camera. The more general … Continue reading →

Posted in app, AR, code, iOS, iPad, iPhone, Objective-C | Tagged combine images, Image Capture, iOS, iPad, iPhone, layering images, Quartz | 32 Comments

The UDID Apocalypse and: How I Learned To Cut Back On NSUserDefaults And Love The Keychain

Posted on March 30, 2012 by jjob

Edit: To be honest, I will still use NSUserDefaults for a lot of things, and you should too, I just liked the Doctor Strangelove reference. By now you have probably heard that Apple is deprecating support for attaining a UDID … Continue reading →

Posted in app, code, iOS, iPad, iPhone, Objective-C | Tagged iOS, iPad, iPhone, keychain, NSUserDefaults, UUID | 4 Comments

How To Use The Front Facing Camera With AVCaptureSession

Posted on February 1, 2012 by jjob

A number of people have asked how to use the front facing camera for the video preview layer of an AVCaptureSession. First I will give you the code to add/change in the existing AROverlayExample project or the AROverlayImageCaptureExample project and … Continue reading →

Posted in app, AR, code, iOS, iPad, iPhone, Objective-C | Tagged AVCaptureDeviceInput, AVCaptureSession, choose iOS camera, iOS front camera | 4 Comments

Missing UILabels In iOS 4.x But Show In iOS 5.x

Posted on November 22, 2011 by jjob

I have been banging my head against this problem for the last couple weeks. I was updating a project originally coded in Xcode 4.01 for iOS 4. I was doing the update in Xcode 4.2 and mostly running the app … Continue reading →

Posted in code, iOS, iPad, iPhone, XCode | Tagged Interface Builder, iOS 4, iOS 5, missing UILabel, UILabel disappears, UILabel problem | Leave a comment

OAuth, Twitter & iOS 5: “It looks like someone already used the token information you provided.”

Posted on November 11, 2011 by jjob

I’ve been scratching my head most of the day trying to figure out why I was able to authorize with Twitter perfectly fine in my app running on pre-iOS 5 software but not in iOS 5. There are quite a … Continue reading →

Posted in code, iOS, iPad, iPhone, online, web | Tagged iOS, iOS5, OAuth, Twitter | 18 Comments

Xcode 4.2 Build Error: “iPhone apps should include an armv6 architecture”

Posted on October 20, 2011 by jjob

If you are getting the following Xcode build error then this post is for you: warning: iPhone apps should include an armv6 architecture (current ARCHS = “armv7″) iOS apps prior to 4.3 use the armv6 architecture and will run on … Continue reading →

Posted in code, iOS, iPad, iPhone, XCode | Tagged architecture, armv6, build error, iphone apps, Xcode 4.2 build error | 2 Comments

iOS 5 UITableView Section Header Change

Posted on October 20, 2011 by jjob

Some of you may have been scratching your heads as I was today when some of the table views in an app I was working on started showing up with section headers showing that weren’t there previously. It turns out … Continue reading →