Lập trình ứng dụng cho iPhone part 20

... the focus of your iPhone network programming. The first thing you’ll need to know is how to use the iPhone s URL objects. 20. 3 Working with URLs With HTTP being the basis of most iPhone internet ... networking Ajax, JSON, RSS, SOAP, XML NSXMLParser Third-Party libraries Figure 20. 1 internet protocols are arranged in a hierarchy. 398 C HAPTER 20 The web: web views and internet proto...

Ngày tải lên: 29/10/2013, 01:15

... 15.4. You’ll note how similar this diagram of navigation controller parts looks to figure 15.1, our diagram of tab bar controller parts. This is not an accident in our drawing, nor do we expect that ... runtime. At setup you can choose to create a navigational hierarchy and push a user into it before he or she takes any actions. You can see this in action in vari- ous iPhone programs. Mail...

Ngày tải lên: 18/10/2013, 00:15

... features as part of a general exploration of media. We’ll provide deep cov- erage on images, some information on the iPhone s media player, and a basic look at playing sounds on the iPhone. More ... The iPhone offers an experience that’s potentially much richer and more engaging. A camera, a microphone, a complete photos library, and a speaker are just some of the utilities built into t...

Ngày tải lên: 24/10/2013, 18:15

... viewDidLoad]; UIGraphicsBeginImageContext(CGSizeMake (20, 20)); Listing 19.2 A new context created to hold an image Creates bitmap context B Figure 19.1 The iPhone does abstract art. 371Drawing paths CGContextRef ... is a two-dimensional drawing library that’s tightly integrated into the iPhone OS . It works well with all the relevant iPhone frameworks, including Core Ani- mation, Open...

Ngày tải lên: 24/10/2013, 18:15

... discussion iPhone Atlas http://www.iphoneatlas.com iPhone news blog iPhone Dev Forums http://www.iphonedevforums.com Forums for SDK or web discussion iPhone in Action http://iphoneinaction.manning.com/ ... and iPhone discussion Furbo.org http://furbo.org/ General blog that’s mostly iPhone discussion iDevKit http://idevkit.com/ Forums and news iPhone Dev SDK http://www.iphonedevs...

Ngày tải lên: 29/10/2013, 01:15

... the iPhone 1.4 Understanding iPhone input and output Although an iPhone has a native screen resolution of 480x 320 pixels, web viewers won’t see web pages laid out at that resolution. An iPhone ... 16% status bar: 20px URL bar: 60px bottom bar: 44px visible area: 320x356 Portrait Mode status bar: 20px URL bar: 60px bottom bar: 32px visible area: 480x208 Landscape Mode Figure 1.1 The...

Ngày tải lên: 21/01/2014, 23:20

... the iPhone. Method Type References iPhone incompatible Web Brief mentions only iPhone compatible Web Brief mentions only iPhone friendly Web Chapters 3, 8 iPhone optimized Web Chapters 3, 8 iPhone ... reasonable alternatives when creating applications for the iPhone. Figure 2.1 depicts what iPhone developers call a “utility,” a two-page iPhone appli- cation that contains t...

Ngày tải lên: 21/01/2014, 23:20

... mobile Safari screen on the iPhone. Chrome Functionality Size Status bar Displays overall iPhone status: network connectivity, battery charge, and current time 320x20 or 480x20 URL bar Displays the ... as part of this optimization process. To kick things off, we need to find out when our users are actually using an iPhone. 3.3.1 Detecting the iPhone through USER_AGENT The idea beh...

Ngày tải lên: 21/01/2014, 23:20

... should be particularly useful on the iPhone, since gradients are already a part of the look and feel of iPhone home page icons, and will make individ- ual programs feel more like native iPhone ... touches the iPhone. touchmove A finger moves across the iPhone. touchend A finger leaves the iPhone. touchcancel The system cancels a touch. gesturestart Two or more fingers touch the...

Ngày tải lên: 21/01/2014, 23:20

... Katz (Manning, 200 8). The iPhone extension adds a few common iPhone- related manipulations to jQuery. You can access them just by including the appropriate JavaScript scripts (jquery .iphone. js, ... iPhone brows- ing a new and different experience. When you’re working on an iPhone- UI web app—intended to model the look and feel of the iPhone and to be used primarily or exclusi...

Ngày tải lên: 21/01/2014, 23:20