iPhone SDK Programming A Beginner’s Guide phần 7 doc

... UIPickerView has less outlets and actions than a UIDatePicker 296 iPhone SDK Programming: A Beginner’s Guide 6. Save and exit Interface Builder. 7. Open SegmentViewController and add an IBAction called ... 13-10). (continued) 276 iPhone SDK Programming: A Beginner’s Guide Figure 12-6 The buttons’ background image changes Figure 12 -7 The buttons are grayed-out whe...

Ngày tải lên: 13/08/2014, 18:20

... first resolved any defined constants, replacing the constant with the literal value. Data Types and Operators C’s basic data types are the same as Java’s and should appear familiar (Table 2-1). C’s ... . 277 8 iPhone SDK Programming: A Beginner’s Guide CAUTION If your application uses too much memory, the iPhone OS X may abruptly terminate your application to prevent a sys...

Ngày tải lên: 13/08/2014, 18:20

... as any objects they might in turn instantiate. Class Interface and Implementation Objective-C separates a class into an interface and an implementation. An interface declares instance variables ... have used a protocol—that way, it’s explicit 34 iPhone SDK Programming: A Beginner’s Guide C has structs; Java doesn’t have a struct data type. In C, a struct is similar to...

Ngày tải lên: 13/08/2014, 18:20

... sharedApplication].applicationIconBadgeNumber = [UIApplication sharedApplication].applicationIconBadgeNumber + 1; } Figure 11-21 The application has an application badge. 230 iPhone SDK Programming: ... a table cell’s appearance. After learning how to implement a table and customize it, you then learned a technique for adding a table to a navigation controller contained in...

Ngày tải lên: 13/08/2014, 18:20

... thing created by the main method in the main.m file. The application is always associated with a delegate. An application’s delegate is a class that implements the UIApplicationDelegate protocol. ... UIWindow, UIApplication, and UIApplicationDelegate is done for you in the MainWindow.xib nib file. Moreover, you almost never have to manually create a UIApplication and UIApplicationDel...

Ngày tải lên: 13/08/2014, 18:20

... bar in a simple application ● Understanding how to programmatically manipulate a navigation bar’s items ● Adding a navigation bar to a tab in a tabbed application A navigation bar is displayed ... illustrates placing a navigation controller in a tab and then a table in the navigation controller. A UITabBar has an associated UITabBarController and UITabBarDelegate. The...

Ngày tải lên: 13/08/2014, 18:20

... nil] autorelease]; NSArray * tempArray = [[[NSArray alloc] initWithObjects:tempArrayA, tempArrayB, tempArrayC, tempArrayD, tempArrayE, nil] autorelease]; self.tableDataList = tempArray; } ... nil] autorelease]; self.tableDataList = tempArray; } Chapter 9: UINavigationBar and UINavigationController 181 10. Open NavInTabAppDelegate.h and NavInTabAppDelate.m and adopt the UITabBarCo...

Ngày tải lên: 13/08/2014, 18:20

... NSArray * dataArray2 = [[NSArray alloc] initWithContentsOfFile:path]; NSLog(@"objects: %@, %@, %@", [dataArray2 objectAtIndex:0], [dataArray2 objectAtIndex:1], [dataArray2 objectAtIndex:2]); ... UIPickerViewDataSource> { NSArray * myData; NSArray * myData2; } @property (nonatomic, retain) NSArray * myData; @property (nonatomic, retain) NSArray * myData2; @end Figure 1...

Ngày tải lên: 13/08/2014, 18:20

... writing an archive to disk are as follows. First, create an NSMutableData object. NSMutableData * theData = [NSMutableData data]; After creating the data object, create an NSKeyedArchiver, passing ... the iPhone, you use the initForReadingWithData: method. - (id)initForReadingWithData:(NSData *)data 376 iPhone SDK Programming: A Beginner’s Guide NSArray * array = myBar.foos;...

Ngày tải lên: 13/08/2014, 18:20

... 450 iPhone SDK Programming: A Beginner’s Guide Try This Play a Video 1. Create a new View-based Application called MoviePlayer. Add the Media Player framework to the application. 2. Add the ... numberWithFloat:(float) 2.4]; [crateOne addFruitsObject:orangeA]; [crateOne addFruitsObject:appleA]; [crateTwo addFruitsObject:appleB]; [crateTwo addFruitsObject:orangeB];...

Ngày tải lên: 13/08/2014, 18:20