Tài liệu Lập trình ứng dụng cho iPhone part 10 ppt

... pro- gramming styles provided by the iPhone OS’s extensive set of frameworks. 180 CHAPTER 10 Learning Objective-C and the iPhone OS 10. 3 Introducing the iPhone OS In the previous section, we ... UISlider Figure 10. 5 This hierarchy shows just a small selection of the classes available in the iPhone OS. 183Introducing the iPhone OS 10. 3.2 Windows and views As the UI classes d...

Ngày tải lên: 26/01/2014, 18:20

... engag- ing in any iPhone programming. 101 Summary 5.7 Summary The iPhone user interface goes beyond just its chrome. It also includes browser meth- odologies, data paradigms, and the iPhone s unique ... 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 exclu...

Ngày tải lên: 21/01/2014, 23:20

... canvas.getContext('2d'); context.beginPath(); context.moveTo (10, 110) ; context.lineTo (10, 10); context.lineTo(40,40); context.lineTo(70 ,10) ; context.lineTo(70, 110) ; context.closePath(); context.stroke(); You ... 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 c...

Ngày tải lên: 26/01/2014, 18:20

... which is the version that you’ll need to write iPhone web apps, is only available as part of the iPhone SDK. You should thus jump forward to chapter 10 for some information on how to install it. ... excellent list of parts with special functionality. To aid your own exploration, table 7.5 lists some of the most interesting parts that you might want to look up. Together, these par...

Ngày tải lên: 26/01/2014, 18:20

... use Xcode to do pretty sophisticated things. This is in part due to Objective-C’s elegant methods of messaging and in part due to the iPhone OS’s massively library of classes. However, there’s ... from the Developer directory. To write iPhone programs, you must have downloaded the iPhone SDK, as discussed in the previous chapter. Once you’ve done that, choosing File > New P...

Ngày tải lên: 26/01/2014, 18:20

... UILabel , a UIWebView , or a UIImageView . Ultimately, the view is only part of the story. As we mentioned when we looked at the iPhone OS, views are usually connected to view controllers, which manage ... own, as shown in table 13.5. We’ve already met loadView and viewDidLoad , which are run as part of the view con- troller’s setup routine and which we used to add extra subvie...

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