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Tag Archives: iOS
Updating An sqlite CoreData Backing Store On iOS
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
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
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How To Combine Two Images In iOS
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
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
OAuth, Twitter & iOS 5: “It looks like someone already used the token information you provided.”
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
Genome MIDI Sequencer For iPad
This announcement made my day. Today White Noise Audio released their Genome MIDI Sequencer application for iPad. They claim, “It’s simply the best app on the iPad for controlling all your MIDI gear.” From the looks of things I would … Continue reading
Posted in app, hardware, instrument, iOS, iPad, MIDI, sound, Synth
Tagged iOS, iPad, MIDI, MIDI sequencer, Multi-track sequencer, sequencer
1 Comment
Capturing Touches On A View Inside A Scroll View
I recently needed to create a vertically scrolling UIScrollView with a child sub view on which I needed to capture touches. Working with this kind of layering of views and the responder chain can be tricky but it is not … Continue reading
Posted in app, code, iOS, iPad, iPhone, Objective-C
Tagged iOS, iPad, iPhone, Responder Chain, Touches, UIScrollView, UIView
3 Comments