iOS 5 Programming Cookbook phần 5 pptx

... Protocol Reference,” http://developer.apple.com/library /ios/ #documentation/uikit/reference/UITableViewDelegate_Protocol/Reference/Reference .html 3 .5 Using Different Types of Accessories in a Table ... addSubview:self.buttonPhoto]; buttonRect.origin.y += 50 .0f; self.buttonAudio = [UIButton buttonWithType:UIButtonTypeRoundedRect]; [self.buttonAudio setTitle:@"Audio"...

Ngày tải lên: 13/08/2014, 18:20

... num = 1} 5. 5 Performing UI-Related Tasks with GCD | 3 75 }); }); In this chapter, you will learn all there is to know about GCD and how to use it to write modern multithreaded apps for iOS and ... choose what you want to do at runtime and change the activity of a program. In 5. 0 Introduction | 355 See Also XXX 5. 3 Invoking Block Objects Problem You've learned how to construct b...

Ngày tải lên: 13/08/2014, 18:20

... YES; } 10.3 Retrieving Properties of Address Book Entries | 55 5 9.6 Playing Video Files Problem You would like to be able to play video files in your iOS application. Solution Use an instance of the MPMoviePlayerController ... Music Library | 53 9 withFlags:(NSUInteger)flags{ if (flags == AVAudioSessionInterruptionFlags_ShouldResume && player != nil){ [player play]; } }...

Ngày tải lên: 13/08/2014, 18:20

... 747 15. 3 Constructing, Setting, and Using Colors 749 15. 4 Drawing Images 754 15. 5 Drawing Lines 759 15. 6 Constructing Paths 766 15. 7 Drawing Rectangles 771 15. 8 Adding Shadows to Shapes 776 Table of Contents ... Between Operations 411 5. 15 Creating Concurrency with Timers 413 5. 16 Creating Concurrency with Threads 418 5. 17 Invoking Background Methods 424 5. 18 Exiting Th...

Ngày tải lên: 13/08/2014, 18:20

... around 30% of iOS devices today are running iOS versions that are about a year or a year and a half old. If today we are working with iOS 5, there are still iOS devices out there running iOS, 3 for ... runs on iOS 5 out to the App Store. Some of the classes that we use are available only on specific versions of iOS. For in- stance, the NSJSONSerialization class is available onl...

Ngày tải lên: 13/08/2014, 18:20

... navigation bar That was simple and easy. But if you are an iOS user, you probably have noticed that the system apps that come preconfigured on iOS have a different Add button. Have you noticed that? ... Presenting Multiple View Controllers with UITabBarController | 1 85 And the results are exactly what we were looking for: Figure 2- 35. A system Add button The first parameter of the init...

Ngày tải lên: 13/08/2014, 18:20

... shown in Figure 6-6. 6.6 Displaying Custom Pins on a Map View | 451 CHAPTER 8 Networking, JSON, XML and Twitter 8.0 Introduction iOS apps, when connected to the internet, become more liveley. That ... a new thread and does its 4 75 } else { /* This is a long press gesture recognizer with more or less than 2 fingers */ } } } One of the applications in iOS that uses long tap ge...

Ngày tải lên: 13/08/2014, 18:20

... (second and third generations), provided that the iOS on these devices has been updated to iOS 4.0 or iOS 5. Furthermore, a device could have iOS 5. 0 or later installed on it, but the under- lying ... depending on the iOS devices it targets, can be run and executed on a variety of devices on different operating systems. For instance, if you compile your application with iOS SDK...

Ngày tải lên: 13/08/2014, 18:20

... pixels. 15. 0 Introduction | 7 35 Figure 15- 4. Saving our Xcode project on disk 4. On the right side, select Objective-C class, and then press Next (see Figure 15- 5). 15. 0 Introduction | 739 Figure 15- 6. ... 739 Figure 15- 6. Creating a subclass of UIView 15. 0 Introduction | 741 Figure 15- 5. Creating a new Objective-C class in Xcode 5. In the next screen (Figure 15- 6), make sure t...

Ngày tải lên: 13/08/2014, 18:20

... the image shown in Figure 15- 32 will start moving towards the bottom-right corner, as shown in Figure 15- 33, over a period of 5 seconds. 15. 13 Animating and Moving Views | 8 05 - (BOOL) application:(UIApplication ... animation 5 seconds long */ [UIView setAnimationDuration :5. 0f]; 814 | Chapter 15:  Graphics and Animations to scale this rectangle to half its normal length and wid...

Ngày tải lên: 13/08/2014, 18:20