iOS Programming  UIWebView 1 Instances of UIWebView render web content. UIWebView可以显示web content. In fact, the Safari application on your device uses a UIWebView to render its web content. 事实上,Safari application 用了一个UIWebView 显示它的web content. In this…

iOS Programming Web Services and UIWebView The work is divided into two parts. The first is connecting to and collecting data from a web service and using that data to create model objects. The second part is using the UIWebView class to display web…

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…

基于ios客户端uiwebview下的web页面,在其内容高度大于视窗高度时,如果点击超过视窗下文档的底部按钮,收缩内容高度,会发生闪屏问题. 外因是由文档的高度大于视窗的高度所致,本质原因未知. 解决办法: 为最外层的元素设置height:100%(要保证100%的高度等于视窗高度),overflow:scroll,如果想避免出现滚动条的话,还可以在最外层元素加上伪类::-webkit-scrollbar{display:none},即可完美解决闪屏问题.…

前几个星期接到公司一个项目,要用webview在客户端上播视频,作为一个前端实习生,这种需求真是蛋疼……一不知webview是何方神圣,二不知咋调试…… 下面就是蛋疼的开始:  寻找调试工具:好,非weinre莫属了,又是node的,又是npm的……且行且珍惜(虽然UC浏览器有个开发者版本,但调试麻烦,没有weinre灵活.) 项目的视频抓取自新浪和优酷 ①抓来的优酷视频是个flash(下面顺便把优酷这个坑爹的也说了吧,最后想了下,还是在另外一片随笔发吧),直接嵌到(ui)webview里播放就…

iOS中UIWebView执行JS代码(UIWebView) 有时候iOS开发过程中使用 UIWebView 经常需要加载网页,但是网页中有很多明显的标记让人一眼就能看出来是加载的网页,而我们又不想被人卡出来. 如网页中的这个导航 通常我们不需要WebView中的 导航栏,也不需要里面的返回上一级的交互.. 对WebView常用的另外一种功能就是对某个点击添加对用function实现JS调用OC的交互功能. 下面一一介绍: 1. UIWebView 调用JS代码 OC调用JS通常是,在webVi…

内部分享: Head First iOS Programming http://www.slideshare.net/tedzhaoxa/head-first-ios-programming-46064377…

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中用UIWebView的loadHTMLString后图片和文字失调,图片过大,超过屏幕,文字太小.或者图片太小.文字太大,总之就是不协调. 我们的需求是让图片的大小跟着屏幕的变化而变化.就是动态的去适应屏幕.那么文字的字体就是我们自己能够控制,可大可小.要想达到这种效果.我们要在用loadHTMLString载入字符串之前对它进行处理.怎么处理呢?什么原理呢? 处理HTMLString的方法: NSString *htmls = [NSString stringWithFormat:@"…

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 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…

iOS Programming Dynamic Type  2       You will need to update two parts of this view controller for Dynamic Type: the rows of your table view will grow or shrink in response to the user changing the preferred text size, and the BNRItemCell will need…

iOS Programming Dynamic Type 1  Dynamic Type is a technology introduced in iOS 7 that helps realize this goal by providing specifically designed text styles that are optimized for legibility. Dynamic Type 是从iOS7引入的技术来帮助实现这个目标通过提供专门设计的text styles 为了优化…

iOS Programming Subclassing UITableViewCell  1.Creating BNRItemCell UITableViewCell is a UIView subclass. UITableViewCell是UIView的子类. When subclassing UIView (or any of its subclasses), you often override its drawRect: method to customize the view's a…

iOS Programming  Auto Layout: Programmatic Constraints  1.  However, if your views are created in code, then you will need to constrain them programmatically. 如果你的view是由代码创建的,那么你需要用编程限制它了. To have a view to work with, you are going to recreate the im…

iOS Programming Introduction to Auto Layout   自动布局 A single application that runs natively on both the iPad and the iPhone is called a universal application. 一个原生的能运行在iPad 和iPhone 的应用叫做universal application  Then select the Homepwner target in the pr…

iOS  Programming  UIGestureRecognizer and UIMenuController A UIGestureRecognizer intercepts touches that are on their way to being handled by a view. 一个UIGestureRecognizer拦截touches 在他们被一个view处理的路上. When it recognizes a particular gesture, it sends a…

iOS Programming Touch Events and UIResponder  1 Touch Events  As a subclass of UIResponder, a UIView can override four methods to handle the four distinct touch events: 作为UIResponder的一个子类,UIView可以重写四个方法来处理touch events. (1) a finger or fingers touches…

iOS Programming Camera  2  1.1 Creating BNRImageStore The image store will fetch and cache the images as they are needed. It will also be able to flush the cache if the device runs low on memory.   Create a new NSObject subclass called BNRImageStore.…

 iOS Programming Camera  1 1 Displaying Images and UIImageView 1.1  put an instance of UIImageView on the screen. Then drag an instance of UIImageView onto the view and position it below the label. A UIImageView displays an image according to its con…

iOS Programming UINavigationController the Settings application has multiple related screens of information: a list of settings (like Sounds), a detailed page for each setting, and a selection page for each detail. This type of interface is called a…

iOS Programming Editing UITableView 1.1 Editing mode  UITableView has an editing property, and when this property is set to YES, the UITableView enters editing mode. UITableVIew有一个editing property,当属性设置为YES时,UITableView设置为editing mode. Depending on h…

iOS programming  Code Snippet Library  The freebie code comes from the code snippet library. 代码来自code snippet library. Notice that there are a number of code snippets available 有许多code snippets available . Click the Edit button on the code snippet de…

iOS programming  UITableView and UITableViewController A UITableView displays a single column of data with a variable number of rows. UITableView 展示单列数据和不定数量的行.    Create a new iOS Empty Application project and configure it 1.1 UITableViewController…

iOS programming Delegation and Text Input  1.1 Text Fields    CGRect textFieldRect = CGRectMake(40, 70, 240, 30);UITextField *textField = [[UITextField alloc] initWithFrame:textFieldRect]; // Setting the border style on the text field will allow us t…

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…