iOS 5 Programming Cookbook phần 1 ppsx

... Contexts 796 15 . 12 Rotating Shapes Drawn on Graphic Contexts 800 15 . 13 Animating and Moving Views 802 15 . 14 Animating and Scaling Views 812 15 . 15 Animating and Rotating Views 814 16 . Core Motion ... 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 Thr...

Ngày tải lên: 13/08/2014, 18:20

... and then press Next, as shown in Figure 16 -4. 16 .4 Detecting Shakes on an iOS Device | 827 Figure 15 - 31. Rotating a rectangle As we saw in Recipe 15 . 11 , we can also apply a transformation directly ... rectangle); Figure 15 - 30 shows what we will see after applying the scale transformation to the code we wrote in Recipe 15 . 7. 15 . 11 Scaling Shapes Drawn on Graphic Contexts |...

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 ... implement the alertView:clickedButtonAtIndex: method of our alert view delegate: 2 .1 Displaying Alerts with UIAlertView | 1 15 1. 26 Creating Bundles Problem You want to group...

Ngày tải lên: 13/08/2014, 18:20

... view, the rest of the text that she types will not be visible to her: 2. 15 Displaying Long Lines of Text with UITextView | 211 on the bottom navigation bar have all sorts of shapes. We will have ... with two view controllers 2 .12 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 Th...

Ngày tải lên: 13/08/2014, 18:20

... UIPopoverArrowDirectionUp = 1UL << 0, UIPopoverArrowDirectionDown = 1UL << 1, UIPopoverArrowDirectionLeft = 1UL << 2, UIPopoverArrowDirectionRight = 1UL << 3, UIPopoverArrowDirectionAny ... progress will appear to have not yet started. Value of +1. 0 shows the progress of 10 0%. The progress depicted in figure to come is 0 .5 (or 50 %). To get used to creating...

Ngày tải lên: 13/08/2014, 18:20

... <NSThread: 0x4b0e4e0>{name = (null), num = 1} Main thread = <NSThread: 0x4b0e4e0>{name = (null), num = 1} 5. 5 Performing UI-Related Tasks with GCD | 3 75 }); }); In this chapter, you will learn ... return result; }; NSString *result = [self convertIntToString :12 3 usingBlockObject:inlineConverter]; 5. 1 Constructing Block Objects | 3 61 been cancelled before attempti...

Ngày tải lên: 13/08/2014, 18:20

... sample location */ CLLocationCoordinate2D location; location.latitude = 50 .8 219 169290 718 1; location.longitude = -0 .13 811 76 710 1287842; /* Create the annotation using the location */ MyAnnotation ... [super viewDidLoad]; CLLocation *location = [[CLLocation alloc] initWithLatitude:+38. 411 2 810 longitude: -12 2.8409780f]; self.myGeocoder = [[CLGeocoder alloc] init];...

Ngày tải lên: 13/08/2014, 18:20

... makeKeyAndVisible]; return 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 ... (__bridge_transfer NSString *) ABMultiValueCopyValueAtIndex(emails, emailCounter); 55 6 | Chapter 10 : Address Book 10 .5 Inserting a Group Entry into the Address Book Prob...

Ngày tải lên: 13/08/2014, 18:20

... selecting the plus [+] button in the Attributes pane (see Figure 13 -7): 13 .1 Creating a Core Data Model with Xcode | 655 Figure 13 -1. Creating an empty application for Core Data 4. Now for your ... as shown in Figure 13 -2. Once done, press the Next button. 650 | Chapter 13 : Core Data 12 .1 Detecting the Availability of Multitasking Problem You want to find out whether the iOS...

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. ... Figure 15 - 9). 740 | Chapter 15 :  Graphics and Animations Figure 15 - 7. Saving a subclass of UIView to disk 12 . In File Inspector, choose the Identity Inspector tab on to...

Ngày tải lên: 13/08/2014, 18:20