iOS Basic Memory Management August 09, 2011 08:06 am Posted By: bytedissident When developing with iOS it is the developers responsibility to manage the memory usage of their application. This is often a tricky spot that can cause confusion, but is ultimately not too hard to get under your belt. The two things that happen when memory is mis-managed is: Memory Leaks This causes your memory foot print [...] [read more]

Indexed Tables: Part 1 August 02, 2011 10:57 am Posted By: bytedissident UITableView , Indexed Tables: Thereʼs a lot you can do with Tables we are going to look at indexed tables and also, reacting to table cell presses. Indexed tables will bring many facets to what you have been studying together and itʼs a very common and useful technique for organizing data. In case you donʼt know [...] [read more]

Reading and Writing to plists March 16, 2011 11:56 pm Posted By: bytedissident Property lists otherwise referred to as plists are great mechanisms for storing small to moderate amounts of persistent data in iOS. You can store and retrieve right from Arrays and Dictionaries one line so it is very convenient. First lets take a look a reading from a plist file. This is really a simple [...] [read more]

JSON – Quick Start March 16, 2011 11:46 pm Posted By: bytedissident JSON Tutorial This is a quick JSON tutorial. JSON is fast becoming the most popular data format for delivering data t6 mobile and web applications an is used by most major API’s including Facebook, Twitter, You Tube and Flickr to name a few. Arrays: An array in JSON is enclosed in brackets an each item [...] [read more]

Setting up a Tab Bar App, Part 1 March 08, 2011 03:45 pm Posted By: bytedissident Setting up a Tab Bar Application in XCode is a really easy process once you get the steps down.  Below is a quick step by step on how to do it. Step 1 In XCode create a new project Choose “Tab Bar Application” from the template that Apple provides you with. Step2 In your “Resources” folder double click on your [...] [read more]

Objective C, syntax basics part 1. March 01, 2011 06:50 am Posted By: bytedissident Whether you are learning a new programming language or Objetive C is the first language you have ever grappled with getting the basic syntax memorized is a necessity. Anatomy of instantiating an object: No matter the object the syntax is uniform ClassName *instanceName = [ClassName alloc]; [instanceName init]; For convenience you will often this done with nested functions like so ClassName *instanceName [...] [read more]

Location Tutorial December 06, 2010 11:35 am Posted By: bytedissident This is a simple tutorial designed to get you moving on using Apple’s Location services in your iOS applications. Below is a quick step by step that should get you up and running quickly. Before we start create a View Based Application in XCode called LocationTutorial. Step 1: First of all we need to make sure we [...] [read more]

NSUserDeafaults / Saving User Settings December 02, 2010 08:32 am Posted By: bytedissident It’s a very common practice to save/persist settings, preferences and  login credentials in our applications.  Apple has made this task very easy for us via the NSUserDefaults object. Below is a quick step by step of how to use it. Step 1: Instantiate NSUserDefaults: NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults]; Step 2: Set a default in the following manner, [...] [read more]

UIWebView Tutorial November 24, 2010 08:22 am Posted By: bytedissident Adding a web page to your app is often very useful and quite easy to do. Below is a quick example. Lets create a view based application as our starting point. Call it WebPage. Step 1: Create an IBOutlet for your UIWebView as we do for all UI Objects when using Interface Builder Header file code: @interface WebPageViewController [...] [read more]

IBActions / Connecting UI Objects Part 2 November 22, 2010 04:48 pm Posted By: bytedissident This is part 2 of my Interface Builder tutorial. In part I outlined the 3 step process to connecting a UI element added via Interface Builder to your view controller via the creation of an IBOutlet prefaced property. In this tutorial we will look at how to add a target and call a method from [...] [read more]