iPhone SDK Programming A Beginner’s Guide phần 9 ppsx

... 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 ... data. Core Data allows you to focus on the application rather than on the code persisting the application’s data. Core Data in Brief Core Data is a framework used to easily manage an applic...

Ngày tải lên: 13/08/2014, 18:20

... the main.m file. The application is always associated with a delegate. An application’s delegate is a class that implements the UIApplicationDelegate protocol. The delegate is where you place ... Deploying to an iPhone, Debugging, and Testing 99 NSMutableArray * myArray = [[NSMutableArray alloc] initWithObjects:myFooBar,nil]; [myFooBar dealloc]; [[myArray objectAtIndex:0] sayH...

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 ... technical innovations. The media has reported that apps that make your iPhone pass gas have made folks hundreds of thousands of dollars. Rival farting App developers have even gone so far...

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

... use a navigation 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 ... 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]; self.tableDataList = tempArray; } Chapter 9: UINavigationBar and UINavigationController 181 10. Open NavInTabAppDelegate.h and NavInTabAppDelate.m and adopt the UITabBarController ... initWithObjects:tempArrayA, tempArrayB, tempArrayC, tempArrayD, tempArrayE, nil] autorelease]; self.tableDataList = tempArray; } 188 iPhone SDK Programming: A Beginner’s...

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

... 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 ... Selecting a button’s state 284 iPhone SDK Programming: A Beginner’s Guide Try This Using a Switch and a Slider 1. Create a new View-based Application. N...

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

... 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 ... row added in, 232, 234f UIViewController managing, 191 – 194 use of, 186–187 tableDataList, 199 array of arrays in, 202, 204 TableHandler creating, 194 Interface Builder, adding...

Ngày tải lên: 13/08/2014, 18:20