iOS 5 Programming Cookbook phần 6 doc

... the Map Kit framework, as 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, ... here: 448 | Chapter 6:  Core Location and Maps Figure 6 -5. A pin with an alternative color displayed on a map view 6. 6 Displaying Custom Pins on a Map View Problem Instead of the de...

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

... Xcode 65 3 13.2 Generating Class Files for Core Data Entities 65 8 13.3 Creating and Saving Data Using Core Data 66 1 13.4 Reading Data from Core Data 66 3 13 .5 Deleting Data From Core Data 66 6 13 .6 Sorting ... 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 Sha...

Ngày tải lên: 13/08/2014, 18:20

... 163 Figure 2-33. A navigation button added to a 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 ... init] currencySymbol]; currencyLabel.font = self.myTextField.font; 2 06 | Chapter 2: Implementing Controllers and Views Figure 2 -50 . A text view consuming the entire boundary of the screen...

Ngày tải lên: 13/08/2014, 18:20

... 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

... = ABMultiValueRef 0x684ad50 with 2 value(s) 0: _$!<Home>!$_ (0x684af00) - vandad.np@gmail.com (0x684af20) 1: _$!<Work>!$_ (0x684aee0) - iosandosx@gmail.com (0x684af90) First Name ... 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...

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 ... "Saving_and_Loading_the_State_of_Multitasking _iOS_ AppsAppDelegate.h" @implementation Saving_and_Loading_the_State_of_Multitasking _iOS_ AppsAppDelegate 12 .6 Saving and...

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 su...

Ngày tải lên: 13/08/2014, 18:20

... code. See Also Recipe 16. 1 16. 4 Detecting Shakes on an iOS Device Problem You want to know when the user shakes an iOS device. 16. 4 Detecting Shakes on an iOS Device | 8 25 ... <UIImageView: 0x68221a0; frame = (200 350 ; 100 100); opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0x68221d0>> 8 06 | Chapter 15:  Graphics and Animations Figure 16- 3. Cre...

Ngày tải lên: 13/08/2014, 18:20