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といっても、初めの50ページぐらいこそコードを打ちながら真面目にやりましたが、途中から飽きて流し読みしました。まぁその程度です。 なお、原著は既に第4版が出版されていますので、英語を読める人はCocoa Programming for Mac OS Xを購入する方が、安いし情報も新しくて良いでしょう。（当然、Kindleならもっと安いです） 環境は、Mac OS X 10.7.2、Xcode 4.2.1です。 Xcodeが入っていない人は、Mac App StoreからXcodeをダウンロードして、Install Xcodeを実行して下さい。（XcodeはDL→Installと何故か2段階になっています。） ※ バージョン4.3から、直接インストールされる構成に変更になったようです。なお、サンプルは4.3でもBuildできることを確認しています。(2012/3/6 追記) なお、Macアプ

Recently I mentioned an excellent tool for generating Core Data classes, and another popular resource for developers using Core Data is Magical Record providing a library for using Core Data utilizing the Active Record pattern. I’ve also mentioned a good tutorial for those getting started with Core Data, but with some of the recent changes, but with the release of iOS 5 there are a few issues and

This is a blog post by iOS Tutorial Team member Tope Abayomi, an iOS developer and Founder of App Design Vault, your source for iPhone App Design. Welcome to the second part of the tutorial series on how to generate a PDF using Quartz 2D! In Part One, we set up an app framework for the PDF, and we drew some rudimentary text and lines with Quartz 2D inside our PDF. Since our PDF will be an invoice

This is a blog post by iOS Tutorial Team member Tope Abayomi, an iOS developer and Founder of App Design Vault, your source for iPhone App Design. Sometimes in your apps you might want to generate a PDF with data from the app for your users. For example, imagine you had an app that allowed users to sign a contract – you would want the users to be able to get a PDF with the final result. But how do

Update 7/17/14: We now have a new version of this tutorial fully updated to Swift – check it out! If you need to detect gestures in your app, such as taps, pinches, pans, or rotations, it’s extremely easy with the built-in UIGestureRecognizer classes. In this tutorial, we’ll show you how you can easily add gesture recognizers into your app, both within the Storyboard editor in iOS 5, and programat

I promised to share with you my code that I used on the Twibbon iPhone app, to manipulate images using touch gestures. This solution uses UIGestureRecognizers and therefore only work in iOS 3.2 and above. The full source to a sample applications is available at the end. Setting up the UI On your main view you first want to set up an UIView that will act as your canvas. This canvas will contain you

Update 10/24/12: If you’d like a new version of this tutorial fully updated for iOS 6 and Xcode 4.5, check out iOS 5 by Tutorials Second Edition! Note from Ray: This is the fifteenth and final iOS 5 tutorial in the iOS 5 Feast! This tutorial is a free preview chapter from our new book iOS 5 By Tutorials. This Wednesday we’ll have our final post in the iOS 5 Feast series – the epic iOS 5 Feast Give

Note from Ray: This is the eighth iOS 6 tutorial in the iOS 6 Feast! In this tutorial, you’re updating one of our older tutorials to iOS 6 so it’s fully up-to-date with the latest features like the new Core Image filters in iOS 6. Parts of this tutorial come from Jake Gundersen‘s three Core Image chapters in iOS 5 by Tutorials and iOS 6 by Tutorials. Enjoy! Update note: Want to read this tutorial

Note from Ray: This is the twelfth iOS 5 tutorial in the iOS 5 Feast! This tutorial is a free preview chapter from our new book iOS 5 By Tutorials. Matthijs Hollemans wrote this chapter – the same guy who wrote the iOS Apprentice Series. Enjoy! This is a post by iOS Tutorial Team member Matthijs Hollemans, an experienced iOS developer and designer. This is the second part of a two part tutorial se

Update 10/24/12: If you’d like a new version of this tutorial fully updated for iOS 6 and Xcode 4.5, check out iOS 5 by Tutorials Second Edition! Note from Ray: This is the twelfth iOS 5 tutorial in the iOS 5 Feast! This tutorial is a free preview chapter from our new book iOS 5 By Tutorials. Matthijs Hollemans wrote this chapter – the same guy who wrote the iOS Apprentice Series. Enjoy! This is a

Note from Ray: This is the tenth iOS 5 tutorial in the iOS 5 Feast! This tutorial is a free preview chapter from our new book iOS 5 By Tutorials. Enjoy! This is a post by iOS Tutorial Team member Cesare Rocchi, a UX designer and developer specializing in web and mobile applications. This is the second part of a two-part tutorial series on how to get started using iCloud in iOS 5. In the first part

Update 10/24/12: If you’d like a new version of this tutorial fully updated for iOS 6 and Xcode 4.5, check out iOS 5 by Tutorials Second Edition! Note from Ray: This is the ninth iOS 5 tutorial in the iOS 5 Feast! This tutorial is a free preview chapter from our new book iOS 5 By Tutorials. Enjoy! This is a post by iOS Tutorial Team member Cesare Rocchi, a UX designer and developer specializing in