Pro iOS Table Views: for iPhone, iPad, and iPod touch by Tim Duckett

By Tim Duckett

If you’re an iOS app developer, likelihood is you’ll be utilizing desk perspectives on your improvement tasks. desk perspectives are the bread and butter of iOS apps. With them, you could create every thing from the easiest of lists to totally tricked-out consumer interfaces.

Table perspectives are some of the most complicated elements present in UIKit. whereas utilizing them for dull general consumer interfaces is kind of easy, customizing them can turn into rather not easy.

Pro iOS desk Views takes a task-oriented concentration to aid you whilst imposing custom-made desk perspectives. even though it delves deeply into the desk View API, you could consistently come to a decision during which point of aspect you need to dive in. It’s aimed to be an excellent reference and customization cookbook whilst, invaluable for rookies in addition to intermediate developers.
* Covers the whole desk View API extensive
* Covers customization and function themes intensive
* Task-oriented reference with a number of degrees of aspect

<h3>What you’ll learn</h3> * The anatomy of tables and cells
* The layout styles that energy the desk view
* tips on how to create and configure desk perspectives
* how you can customise each final little aspect of the desk view
* tips to use desk perspectives at the iPad
* complex information and methods for functionality and killer consumer interfaces
* the newest updates in iOS five and the way to take advantage of them
<h3>Who this booklet is for</h3>
The booklet is focused at iOS builders who have to customise desk perspectives. the data is split into a number of layers of element. whereas the ebook covers complicated customization issues and consumer interplay suggestions, it offers the elemental fundamentals wanted for personalization. either newbies and intermediate builders will locate nice worth during this book as a helpful reference, to hand to fast refresh their wisdom at any given time.
<h3>Table of Contents</h3>Part 1: The heritage and the basics
Chapter 1 desk perspectives from the floor up 
 
Chapter 2 How the desk matches together
 
Chapter three Feeding the desk with data 


Part 2: operating with desk content
Chapter four How the cellphone matches together 
 
Chapter five utilizing tables for navigation and static content
 
Chapter 6 Indexing desk content material, grouping & sorting desk content: 
 
Chapter 7 settling on & modifying desk content 
Part three: Customizing the glance and feelChapter 8 Customizing cells: 12/15
 
Chapter nine Customizing cells: 12/22
 
Chapter 10 enhancing the cell’s interaction:12/29

Chapter eleven IPad

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By Tim Duckett

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Extra resources for Pro iOS Table Views: for iPhone, iPad, and iPod touch

Example text

Listing 3–2. A tableView:cellForRowAtIndexPath Method - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *cellIdentifier = @"cellIdentifier"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier] autorelease]; } // cell properties will be configured here return cell; } The point of all this is that by separating out the functionality, you can split view concerns from model concerns and use a controller to coordinate the two.

TableView:didSelectRowAtIndexPath When a row in a table is selected, the tableView sends the tableView:didSelectRowAtIndexPath message to its delegate with two parameters: the tableView, and the indexPath of the selected row. The delegate can then respond to the selection event, either by doing something to the tableView or by triggering some external action. For example, tapping a cell often causes a detail view to be loaded, so the tableView:didSelectRowAtIndexPath method would look similar to Listing 3–1.

That the controller adopts the UITableViewDelegate and UITableViewDataSource protocols – in particular, that the numberOfSectionsInTableView:, tableView:numberOfRowsInSection: and tableView:cellForRowAtIndexPath: methods are implemented. If those protocols haven’t been implemented correctly, the app will crash when the tableView is loaded, complaining that the dataSource hasn’t returned a cell. Creating a UITableView with UITableViewController In order for a tableView to operate successfully, it needs a number of UITableViewDelegate and UITableViewDataSource methods to be implemented.

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