pengyingh

摘要： 原文地址：http://www.raywenderlich.com/5509/beginning-turn-based-gaming-with-ios-5-part-2Sending a TurnWe need to set up a method that sends a turn. When it’s our turn, we want to be able to add a string of text (max 250 characters) to the end of the current story. When we send a turn, we’ll add our text 阅读全文

摘要： 原文地址：http://www.raywenderlich.com/5480/beginning-turn-based-gaming-with-ios-5-part-1In iOS5, Game Center has a new API that makes it even easier to create another type of game – turn-based games!This new API is perfect for board games, turn based strategy, word games, and other types of casual turn 阅读全文

摘要： Unsafe_unretainedWe’re almost done covering the basics of ARC – I just wanted to mention one more thing you should know.Besides strong and weak there is another new modifier, unsafe_unretained. You typically don’t want to use that. The compiler will add no automated retains or releases for variables 阅读全文

摘要： 原文地址：http://www.raywenderlich.com/5773/beginning-arc-in-ios-5-tutorial-part-2Converting By HandWe’ve converted almost the entire project to ARC already, except for MainViewController and AFHTTPRequestOperation. In this section I’ll show you how to convert MainViewController by hand. Sometimes it’s f 阅读全文

摘要： 转载：http://blog.csdn.net/favormm/article/details/7023322iOS5中加入了新知识，就是ARC,其实我并不是很喜欢它，因为习惯了自己管理内存。但是学习还是很有必要的。在iOS开发过程中，属性的定义往往与retain, assign, copy有关，我想大家都很熟悉了，在此我也不介绍，网上有很多相关文章。现在我们看看iOS5中新的关键字strong, weak, unsafe_unretained. 可以与以前的关键字对应学习strong与retain类似，weak与unsafe_unretained功能差不多（有点区别，等下会介绍，这两个新关键 阅读全文

摘要： 17. GradientsQuartz provides two opaque data types for creating gradients—CGShadingRefandCGGradientRef. You can use either of these to create axial or radial gradients. Agradientis a fill that varies from one color to another.Anaxial gradient(also called alinear gradient) varies along an axis betwee 阅读全文

摘要： 1. Quartz 2D 是mac os和iOS下的2d图形绘制引擎。2.Quartz 2D uses thepainter’s model（绘画者模式）for its imaging. In the painter’s model, each successive drawing operation applies a layer of “paint” to an output “canvas,” often called apage. The paint on the page can be modified by overlaying more paint through additio 阅读全文

摘要： 原文地址：http://zonble.net/archives/2010_06/1330.php在使用到这些类中加头文件，例如1. #import "CTCarrier.h"2. #import "CTTelephonyNetworkInfo.h"iOS 4.0 的官方 API 里头，多了一个叫做 Core Telephony 的 framework；一直以来 Core Telephony 都是 private API，现在开放出来，但是从文件来看，里头根本没有几行，既没有告诉你应该怎么用，也没有范例，你从 framework 里头寥寥四个 class 阅读全文

摘要： 原文地址：http://www.raywenderlich.com/5235/beginning-opengl-es-2-0-with-glkit-part-2?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+RayWenderlich+(Ray+Wenderlich+|+iPhone+Developer+and+Gamer)In this second and final part of the tutorial, now that you know the basics we can get to the f 阅读全文

摘要： 原文地址：http://www.raywenderlich.com/5223/beginning-opengl-es-2-0-with-glkit-part-1iOS 5 comes with a new set of APIs that makes developing with OpenGL much easier than it used to be.The new set of APIs is collectively known as GLKit. It contains four main sections:GLKView/GLKViewController. These clas 阅读全文