Tài liệu Lập trình ứng dụng cho iPhone part 14 docx

... cover- age in this book. Figure 14. 9 A text field and a slider conspire to set the color of the iPhone s background. 262 CHAPTER 14 Monitoring events and actions 14. 7 Introducing notifications As ... For that, we point you, as usual, to the Apple iPhone developer website. There’s a good tutorial on multi-touch events available as part of the iPhone OS Programming Guide that y...

Ngày tải lên: 26/01/2014, 18:20

... the iPhone 1.4 Understanding iPhone input and output Although an iPhone has a native screen resolution of 480x320 pixels, web viewers won’t see web pages laid out at that resolution. An iPhone ... the iPhone output, but its input may be even more innovative. 1.4.3 Input and iPhone mousing As already noted, the iPhone uses a multi-touch-capable capacitive touch screen. Users a...

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

... from iPhone friendly to iPhone optimized by creating totally new CSS files intended for use only on the iPhone. GOOD TABLES AND GOOD COLUMNS Column-based layouts have become a de facto part ... 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 behind...

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

... 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 exclusively by iPhone ... demonstrated in the iPhone s mail program and in our own recent books example. There’s an even fancier way to create these partial listings in i UI. If you use the mail program on th...

Ngày tải lên: 21/01/2014, 23:20

... Canvas. These are of particular note because gradients are used throughout the iPhone s user interface. Thus, using gradients will be a notable step toward creating an iPhone- like interface ... overlap. lighter Blending choice Where the shapes overlap, the color value is added. darker Blending choice Where the shapes overlap, the color value is subtracted. xor Blending choice Where the s...

Ngày tải lên: 26/01/2014, 18:20

... standard iPhone UI tab bar, attached to the bottom of the page, but there weren’t any parts that looked quite right. Instead we took advantage of some of the attractive buttons included in the Parts ... to parts, how to accept input from them, and how to use two of the most complex parts, the listController and the Listing 7.4 Updating a single view to look like a multitude of pages...

Ngày tải lên: 26/01/2014, 18:20

... console.profileEnd. console.trace Creates a JavaScript stack trace. 149 Debugging with your iPhone The iPhone Simulator comes as part of the iPhone SDK, but even if you’re not planning to do any SDK ... can make debugging on the iPhone easier. Program Location iPhone Debug http://code.google.com/p/iphonedebug/ iPhone Web Developer http://www.manifestinteractive.com /iphone/ #...

Ngày tải lên: 26/01/2014, 18:20

... going to be able to use the iPhone OS’s enormous library of frameworks, making your code even shorter and sim- pler thanks to many years of development on Apple’s part, just as we already saw ... development isn’t the be-all and end-all of iPhone programming. There are some programs that will just be better suited for native programming on the iPhone. Apple provides a development pla...

Ngày tải lên: 26/01/2014, 18:20