Tài liệu Lập trình ứng dụng cho iPhone part 8 pdf

... the iPhone, because it stopped working when iPhone OS 2.0 was released, with no indication that it’s going to be repaired in the future. 150 CHAPTER 8 Debugging iPhone web pages 8. 3.1 Using iPhone ... executed immediately. Figure 8. 3 shows Figure 8. 3 The Firebug console allows you to type in JavaScript functions, making Canvas even simpler. 1 48 CHAPTER 8 Debugging iPhone...

Ngày tải lên: 26/01/2014, 18:20

... might open, but on the iPhone you can control that exactly. Visible area: 320x356 Portrait Mode 980 pixels (scaled) 1090 pixels (scaled) Visible area: 480 x2 08 Landscape Mode 980 pixels (scaled) 425 ... 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...

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

... @"http://quote-web.aol.com/?syms=AAPL&w= 280 &h=391 "]]]; // Full, dynamic URL not included, for readability // Put a 280 x391 sized page of your choice into the message [window makeKeyAndVisible]; } Note ... accept connections, it is highlighted as shown in figure 12 .8. Listing 12.1 New IBOutlet to link to an Interface Builder object Figure 12 .8 You need to drag and r...

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 480 x320 pixels, web viewers won’t see web pages laid out at that resolution. An iPhone ... elements in the story of what makes the iPhone unique. 1.4.1 Output and iPhone viewport When using the iPhone for most purposes, you may note that it has a 480 x320 screen that dis...

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 contai...

Ngày tải lên: 21/01/2014, 23:20

... (Manning, 20 08) . 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, jquery.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 e...

Ngày tải lên: 21/01/2014, 23:20

... it: context.beginPath(); context.arc(150,150,2,0,360*Math.PI/ 180 ,true); context.fill(); context.beginPath(); context.arc(150,150,20,0,90*Math.PI/ 180 ,true); context.moveTo( 185 ,150); context.arc(150,150,35,0,90*Math.PI/ 180 ,false); context.stroke(); The ... 150,170 while the second runs from 185 ,150 to 150, 185 . If not for the moveTo in between them, a straight line would have been...

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 ... 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 parts...

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