iOS programming UITabBarController 1.1 View controllers become more interesting when the user's actions can cause another view controller to be presented. 当用户的action 能导致其他view controller 展现,view controller将会变得更有趣. UITabBarController keeps an array of…

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iOS Programming Recipe 6: Creating a custom UIView using a Nib JANUARY 7, 2013 BY MIKETT 12 COMMENTS Creating a custom UIView using a Nib Assumptions You are familiar with creating UIView subclasses, and instantiating UIView’s both from a Nib file or…

iOS Programming Autorotation, Popover Controllers, and Modal View Controllers  自动旋转,Popover 控制器,Modal view controller  1.  In this chapter, you are going to make four changes to Homepwner's behavior that will tailor the app's behavior to whatever dev…

iOS Programming Controlling Animations 动画 The word "animation" is derived from a Latin word that means "the act of bringing to life." Animations are what bring your applications to life, and when used appropriately, they can guide your…

iOS Programming UIStoryboard In this chapter, you will use a storyboard instead. Storyboards are a feature of iOS that allows you to instantiate and lay out all of your view controllers in one XIB-like file. Additionally, you can wire up view control…

iOS Programming NSUserDefaults  When you start an app for the first time, it uses its factory settings. As you use it, a good app learns your preferences. Where are your preferences stored? Inside each app bundle there is a plist that holds the user'…

iOS Programming Localization 本地化 Internationalization is making sure your native cultural information is not hard-coded into your application. 国际化确保你的本土信息不是硬编码进你的应用. By cultural information, we mean language, currency, date formats, number formats, a…

iOS Programming State Restoration 状态存储 If iOS ever needs more memory and your application is in the background, Apple might kill it to return memory to the system. 如果iOS 需要更多的memory,你的应用在后台,apple 可能杀死它来得到更多的内存给系统. This should be transparent to your u…

iOS Programming UISplitViewController  The iPad, on the other hand, has plenty of screen space to present both views using a built-in class called UISplitViewController. iPad 有足够的屏幕空间来展现两个view用built-in 类称为UISplitViewController. UISplitViewController…