Decoding the iOS6 SDK

Decoding the iOS6 SDK

Mark Harmonds

Language: English

Pages: 456

ISBN: 2:00151178

Format: PDF / Kindle (mobi) / ePub


Decoding the iOS 6 SDK is written for intermediate iOS developers who want to quickly get up to speed with the iOS 6 SDK and all the fundamental changes that occurred to Xcode and the iOS device landscape in 2012.
Beginning iOS developers who understand the fundamentals of the SDK and Xcode will also benefit from reading this work.

The book follows a non-linear format that allows the reader to decide how much time to spend on any given topic. This is accomplished by dividing each chapter into a “Theoretical Overview” section and a “Tutorial Project” section.

While it’s certainly possible to read the entire book from cover-to-cover (we think you’ll enjoy doing so!), it’s also possible to simply read the “Theoretical Overview” of each chapter to get a high- level understanding of the iOS 6 SDK changes, and then go back and focus in on the most relevant or interesting tutorial projects on a more selective basis.

Regardless of how you approach the book, expect to learn about the most essential aspects of developing with the iOS 6 SDK, Xcode, and all the iOS devices released from Cupertino in 2012.

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(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [self.newsArticles count]; } It might also be a good idea to call the refreshData method when the view is first loaded: NewsTableViewController.m - (void)viewDidLoad { [super viewDidLoad]; [self setRefreshControl:[[UIRefreshControl alloc] init]]; 78 UITableView Changes & Enhancements [[self refreshControl] addTarget:self action:@selector (refreshNews:) forControlEvents:UIControlEventValue ▶

on an iOS device. While many people immediately think about the ability to geolocate the device’s geographical coordinates, that is really just the tip of the iceberg. The most interesting and valuable information is what the user chooses to store on their device voluntarily. For example, most users will store hundreds of photos, dozens of videos, and a contacts database with the names, phone numbers, and addresses of their closest friends and family members. Many will also use their device to

300.0f, 20.0f ); deviceUDIDValue.backgroundColor = [UIColor blackColor]; deviceUDIDValue.textColor = [UIColor whiteColor]; [contentView addSubview:deviceUDIDValue]; 105 Data Isolation Controls self.view = contentView; } Build and run the project and take a look at the ID numbers generated for your device. Pay close attention, and you’ll notice that the application identifier value is generated afresh each time the view controller loads, but that the other identifiers remain static. In order

lookup in this step for the sake of completeness. When we’re done, you’ll have a map that pinpoints your current location, like in Figure 8. Start off by adding the following frameworks to the project: • MapKit.framework • CoreLocation.framework Import the necessary frameworks at the top of the location view controller implementation file: Figure 8 106 Data Isolation Controls LocationViewController.m #import "LocationViewController.h" #import #import

action:@selector(updateDate ▶ LabelText:) forControlEvents:UIControlEventValueChanged]; [self.view addSubview:datePicker]; [self updateDateLabelText:datePicker]; } We create a text field, label, and a date picker. The text field will be used to name the reservation being created, while the label will display the current date of the date picker. The date picker allows the user to choose a date for the reservation. The last line of the method initializes the date label text and date properties

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