iOS 5 Programming Cookbook phần 7 pptx

... YES;}10.3 Retrieving Properties of Address Book Entries | 55 59.6 Playing Video FilesProblemYou would like to be able to play video files in your iOS application.SolutionUse an instance of the MPMoviePlayerController ... requestThumbnailImagesAtTimes:requestedThumbnails timeOption:MPMovieTimeOptionExact]; 9 .7 Capturing Thumbnails from a Video File | 53 5You can access different properties of each selected item using the valueForProperty:instance ... Music Library | 53 9 withFlags:(NSUInteger)flags{ if (flags == AVAudioSessionInterruptionFlags_ShouldResume && player != nil){ [player play]; } }DiscussionOn an iOS device, such...

iOS 5 Programming Cookbook phần 4 pptx

... controller will need to have reference to the 254 | Chapter 2: Implementing Controllers and ViewsFigure 2 -78 . Split keyboard on the iPad in landscape mode iOS broadcasts various notifications related ... in Figure 2 -79 :2.24 Listening and Reacting to Keyboard Notifications | 271 DiscussionAlthough you might rarely find it useful, you can apply indentation to table view cellsin the iOS SDK. Each ... doing in this method, in that order:2.24 Listening and Reacting to Keyboard Notifications | 2 75 Figure 2 -73 . Popovers are replaced by alert view in a universal appWe used an important property of...

iOS 5 Programming Cookbook phần 5 pptx

... 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 writemodern 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 AlsoXXX 5. 3 Invoking Block ObjectsProblemYou've learned how to construct block ... value outside the block = %lu", (unsigned long)integerValue);} 5. 2 Accessing Variables in Block Objects | 3 67 Figure 4- 17. Adding a new view controller to a storyboard3. In Object Library,...

iOS 5 Programming Cookbook phần 1 ppsx

... 73 3 15. 1Enumerating and Loading Fonts 7 45 15. 2Drawing Text 74 7 15. 3Constructing, Setting, and Using Colors 74 9 15. 4Drawing Images 75 4 15. 5Drawing Lines 75 9 15. 6Constructing Paths 76 6 15. 7 Drawing ... 4 57 7. 1Detecting Swipe Gestures 459 7. 2Detecting Rotation Gestures 461 7. 3Detecting Panning and Dragging Gestures 4 65 7. 4Detecting Long Press Gestures 4 67 7 .5 Detecting Tap Gestures 470 7. 6Detecting ... at:O’Reilly Media, Inc.10 05 Gravenstein Highway NorthSebastopol, CA 954 72 (800) 998-9938 (in the United States or Canada) (70 7) 829- 051 5 (international or local) (70 7) 829-0104 (fax)We have...

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iOS 5 Programming Cookbook phần 2 docx

... around 30% of iOS devices today arerunning iOS versions that are about a year or a year and a half old. If today we areworking 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 only in iOS 5 SDK ... available only in iOS 5 SDK and only devicesrunning iOS 5 will be able to run such code. However, if you are planning to support iOS 4 as well as iOS 5, then you can, at run-time, detect the availability...

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iOS 5 Programming Cookbook phần 3 pps

... addSubview:self.myTextField];And the results are shown here:2.14 Accepting User Text Input with UITextField | 2 05 Figure 2- 47. A placeholder is shown when there is no text in a text fieldText fields have two really ... navigation barThat was simple and easy. But if you are an iOS user, you probably have noticed thatthe system apps that come preconfigured on iOS have a different Add button. Haveyou noticed that? ... top right of the navigation bar:2.11 Adding Buttons to Navigation Bars with UIBarButtonItem | 1 75 center the text vertically, it would appear on the top left corner of the text field bydefault.textAlignmentThis...

iOS 5 Programming Cookbook phần 6 doc

... location */ CLLocationCoordinate2D location; location.latitude = 50 .821916929 071 81; location.longitude = -0.1381 176 71012 878 42; /* Create the annotation using the location */ MyAnnotation ... */ [self.view addGestureRecognizer:self.swipeGestureRecognizer]; } 7. 1 Detecting Swipe Gestures | 459 See AlsoRecipe 7. 6 7. 3 Detecting Panning and Dragging GesturesProblemYou want the users ... view on your simulator, you will get results similarto this in the console window: 7 .5 Detecting Tap Gestures | 471 ever the map loading process starts. Bear in mind that a delegate for a map view...

iOS 5 Programming Cookbook phần 8 ppt

... (second and thirdgenerations), 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_ AppsAppDelegate12.6 Saving and Loading the State of Multitasking iOS Apps | 6 37 Figure ... by selecting theplus [+] 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 Data4. Now for...

iOS 5 Programming Cookbook phần 9 pdf

... pixels. 15. 0 Introduction | 7 35 Figure 15- 4. Saving our Xcode project on disk4. On the right side, select Objective-C class, and then press Next (see Figure 15- 5). 15. 0 Introduction | 73 9Figure 15- 6. ... 73 9Figure 15- 6. Creating a subclass of UIView 15. 0 Introduction | 74 1Figure 15- 5. Creating a new Objective-C class in Xcode 5. In the next screen (Figure 15- 6), make sure that the Subclass box has ... Figure 15- 9). 74 0 | Chapter 15: Graphics and AnimationsFigure 15- 7. Saving a subclass of UIView to disk12. In File Inspector, choose the Identity Inspector tab on top (see Figure 15- 10).13....

iOS 5 Programming Cookbook phần 10 ppsx

... rectangle);Figure 15- 30 shows what we will see after applying the scale transformation to the codewe wrote in Recipe 15. 7. 15. 11 Scaling Shapes Drawn on Graphic Contexts | 79 7Figure 15- 27. An axial ... theimage shown in Figure 15- 32 will start moving towards the bottom-right corner, asshown 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 Animationsto scale this rectangle to half its normal length and width, shown in Figure 15- 21, wecan...

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iOS 5 Programming Cookbook phần 3 pps

iOS 5 Programming Cookbook phần 7 pptx