Monday, December 31, 2012

Abstract XML Parser – LAbstractParser


LAbstractParser class implements the entire parsing logic so that a subclass can handle what is important – binding logic. LAbstractParser subclasses have to implement only the didStartElement and didEndElement methods without the need of implementing the rest of the logic which is practically the same for every XML parser.

The LAbstractParser is available on GitHub here.

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Generations in Garbage Collector


Garbage Collection is a technique that manages memory automatically. In C and C++ we need to cleanup the heap memory explicitly using a free function of C and delete operator of C++. In Dotnet, The Common Language Runtime (CLR) requires that you create objects in the managed heap, but you do not have to bother with cleaning up the memory once the object goes out of the scope or is no longer needed.


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Sunday, December 30, 2012

Today's iOS Developer Resources


1. Scripts For Generating Javascript and C/Objective-C Bindings

A set of Python scripts for generating Javascript and C/Objective-C bindings so you can access any Objective-C code
through Javascript (run through the SpiderMonkey interpreter) and the other way around.

You can find Javascript Bindings for C/Objective-C on Github here.

You'll also need SpiderMonkey (the SpiderMonkey link in the readme appears incorrect but I believe this is the right version) and JRSwizzle.

Full details on how to generate the bindings and use them in your projects are on the Github page along with some examples.

2. Open Source iOS UI Control For Social Sharing With Catchy Animations

 user interface control providing a stylish way to present the user with social buttons using a catchy blooming animation.

You can find KLEXpandingSelect on Github here.

Another similar control you might want to take a look at is AURosetteView with a different petal design/animations.

3. Handy Library Providing Many Different Customizable Sharing Buttons Using Core Graphics

A library using core graphics that makes it easy to draw customizable social sharing buttons.

You can find GRButtons on Github here.

A nice library to have around whenever you find yourself adding social buttons to an app.

If you've created, or come across any iOS developer resources that you'd like to share you can submit them in below comment section.

Thanks for reading this.

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Today's iOS Developer Resources


1. iOS UI Control For Creating Windows 8 Metro Style Animated Buttons

An open source control for creating buttons that look and respond like Windows 8 metro buttons complete with animation and tilting based on the user's touch location.

You can find DBTileButton on Github here.

A nice example of how to create great looking animated buttons.

2. Open Source iPhone Color Picker Control Combining Grid, Rotary, And Slider Approaches

An open source iPhone color picker control that combines the grid, rotary and slider approaches to make the color picker more
versatile.


You can download the Neovera ColorPicker through the homepage here.

A color picker that works extremely well on the iPhone's smaller screen.

3. Open Source Xcode Plugin That Helps Visualize Autoresize Masks Created programmatically

An Xcode plugin that allows you to visual resize masks created in code by mousing over the autoresize variable.

You can download Autoresize Mask for Xcode on Github here.

Glad to see that more and more great plugins seem to be popping up for the newer versions of Xcode.

If you've created, or come across any iOS developer resources that you'd like to share you can submit them in below comment section.

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iOS Programming 101: How to Customize Navigation Bar and Back Button


Here are what you'll learn in this tutorial:
  • Customizing the View with background image
  • Customizing UINavigationBar including background image and text style of title
  • Customizing the appearance of UIBarButtonItem
As usual, we're going to illustrate the concept by converting a plain navigation bar to one with customized graphics. However, to help you focus on learning the customization, we've prepared the Xcode project for you to start with. Before proceeding, first download the Xcode project here (note: the project is created using Xcode 4.5).


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Get Started with ASP.Net AJAX Controls: Project Introduction and Navigation


In order to introduce ASP.Net developers who may have spent more time with MVC or have not used the ASP.Net AJAX controls from Telerik, we are going to document the creation of a sample project for developers, by developers. This blog series will have significant code content and lots of downloadable code samples

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Saturday, December 29, 2012

Update Stored Proc with Raw SQL Query via EDF Framework


Update Stored Proc with Raw SQL Query via EDF Framework Introduction Today, in this article let's play around with one of the interesting and most useful concept in EDM Framework.   Question: What is update stored proc with raw SQL query via EDM framework? In simple terms "It provides flexibility to update data with help of raw [...]


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Creating a NumericUpDown control from scratch


I don't really know if this is a tutorial or a step-by-step guide. I guess it's a bit of both, really. I guess I have written it as a step-by-step guide for intermediate programmers interlaced with tutorial explanations for beginners. The code is all here, though, there aren't any unexplained surprises in the downloadable source.

I am counting on you reading this article as a whole, it was never designed to be a "come-and-pick-what-feature-you-like" kind of guide, the features depend on each other more often than not. Also, they are not implemented in any order of importance or usefulness - some of the obviously missing features like default text in TextBox get implemented at the very end, because they were not very interesting or consequential, just necessary to finish the control (they could wait).


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iOS SDK : Building a Shopping List Application From Scratch – Part 1


The shopping list application that we are about to create has two core features, (1) managing a list of items (figure 1), and (2) creating a shopping list by selecting one or more items from the list of items (figure 2). We will build the application around a tab bar controller to make switching between the two views fast and straightforward. In this lesson, we will focus on the first core feature, the list of items. In the next lesson, we will put the finishing touches on list of items and we zoom in on the shopping list, the application's second core feature.


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Friday, December 28, 2012

iOS SDK : Data Persistence and Sandboxing on iOS


Persisting data across application launches is a requirement that most iOS applications have, from storing user preferences using the user defaults system to managing large datasets in a relational database. In this article, we will explore the most common strategies used for storing data in an iOS application. I will also talk about the file system on iOS and how application sandboxing affects data persistence.


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Today's iOS Developer Resources, Articles and Open Sources


1. Example: An Open Source iOS App For Creating Apps With An Excellent User Interface

A newly open sourced iOS Objective-C app that has been in the app store that allows users to create their own apps within the app using a great wysiwyg app creation app.

You can download the AppSlate source code through Github here.

You can find AppSlate on the App Store here.

No statement about the exact licensing as of yet, but it is stated that you can "download, compile and modify".

2. Open Source iOS Library For Detecting When A User Is Taking A Screenshot

An iOS Objective-C library that allows you to detect when the user has taken a screenshot.

You can find ShotBlocker with usage instructions on Github here.

A simple solution to this problem. Chpwn has written on his blog about how taking screenshots cancels all screen touches so possibly using UILongPressGestureRecognizer and looking for the state to be UIGestureRecognizerStateCancelled rather than polling based on a timer could be a better approach.

3. Open Source iOS UI Control Mimicking A UITableView Within A UIAlertView

An open source iOS Objective-C user interface control for creating a UIAlertView with an embedded table view.


You can find MLTableAlert on Github here.

You can read more about the creation of this control on the Matthew Labs blog  here.

A sample project is included, and it makes for a great selector style view.  The feature set is different from SBTableAlert and in my testing worked great.

4. Category Allowing You To Recreate The Mac OS X Genie Animation Effect On An iOS UIView

An open source iOS Objective-C user interface control allowing you to create the genie animation effect used for opening/closing
windows in Mac OS X.

You simply need to define the duration, and the starting or ending rectangle size.

You can find BCGenieEffect on Github here.

You can also find this Stackoverflow question thread that explains the technique used transform a rectangle into a quadrilateral.

An  very well done implementation of this staple Mac effect.

If you've created, or come across any iOS developer resources that you'd like to share you can submit them in below comment section.

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Thursday, December 27, 2012

How to add Custom Fonts in iPhone Application


These are the steps which show you how to add custom fonts in iPhone Application.

1) Add the .TTF or .OTF font file/s you wish to use as a resource

2) Open your info.plist and create a new key called UIAppFonts(Fonts provided by application), set the key to be an array type.

3) For each font you want to use in your app, add it as a new object in the array with its full name and extension and save the info.plist when finished

4) Now in your code you can simply call

[UIFont fontWithName:@"Insert font name here" size:18]

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How to develop for WP8 on your Mac


Interested in developing apps for Windows Phone 8, but you are developing on a Mac? No problem...check out the guide below to find a variety of options. First you should consider whether to build native WP8 applications or Web applications. Applications will run directly on the phone platform, and will deliver advanced performance and a fully integrated experience to the end user. Web applications developed with HTML5 and JavaScript will take advantage of the Web standards support of Internet Explorer 10 and the cross platform nature of HTML5 applications.There is a lot of debate about which way to go, native app or Web app with HTML5, and I would say that the answer is… it depends. In this post, I will try to present the main options to go one way or the other based on the assumption that you have a Mac and want to stick to it.

Read More from: Original Source

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WPF Splash Screens


It may seem odd to blog about something as mundane as WPF splash screens. After all, it's a solved problem, right? Wrong. I think there are various problems that come about by using standard splash screen helpers, and I want to address those here. First though, we need to get back to basics by discussing what the purpose of a splash screen is. Contrary to many a splash you may have been subjected to, the purpose of a splash screen is not to annoy users or to wow business folks. To quote the repository of all knowledge.

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Updating my WP App to WP8


Earlier this year I wrote a small Windows Phone 7 application in a day called Lost Phone Screen. It creates lock screens for you with your name and contact number on them to aid in finding your phone the old fashioned way when you lose it. No need for a GPS, just tell folks you have a small reward and give them a number to call. You can download it free now as folks will not pay 99 cents for anything except Angry Birds. But I'm not bitter. ;) Anyway, it works great on Windows Phone 7 and Windows Phone 7.5 (Mango.) Recently I got a Nokia Lumia 920 with Windows Phone 8 and since there's a number of new APIs and features I could exploit - not the least of which being the ability to programmatically set the phone's Lock Screen without the user needing to do anything - I figured it was time to update it. 

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Playing with Windows Store apps apps


The past months I've been working on creating new, exciting Windows Store apps, using the Windows Library for Javascript, WinJS. Fortunately, since most of my work is web-related, not to mention all the node.js projects I've been involved in (thanks @woloski!) the adaptation wasn't so hard. But leaving the code aside, one of the most exciting challenges about Windows 8 apps is the UI/UX (after all, we're creating touch-interactive applications). Furthermore, they have its own way of organizing and displaying the content. So you should be very meticulous on topics like what and how (much) to show (there are some useful guidelines about this on msdn, like this one).

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How to Change the Start Page of the WP8 Application in VS2012?


When developing a Windows Phone 8 App, you might want to rename the default MainPage.xaml file or wish to change the Start Page of the Windows Phone Application from MainPage.xaml. You can easily modify the Start Page of the Windows Phone app in Visual Studio 2012 by editing the WMAppManifest.xml file by modifying the following tag.

Read More from: Original Source

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Versatile, programmer-friendly Split View Controller for iOS


This project implements a split view controller for iPad. It is a lot like theUISplitViewController class in the iOS library, but it is more versatile and easy to use. In this article, we will refer to the split view controller being developed as simply the split view controller and the one in the iOS library will be referred to asUISplitViewController. The split view controller is compatible with iOS 4.2 and up.

The split view controller displays two view controllers next to each other: a side view controller on the left side of the screen, and a main view controller displayed slightly larger on the right side. It supports all the user interface orientations that are supported by these two view controllers. Throughout this article, we will refer to the side view controller and the main view controller collectively as the sub-view controllers.


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Collapsable Table View for iOS


I was once working on an iPhone application that shows a large number of inputs, grouped into various categories, in a UITableView. To change the value of one of the inputs, the user presses the corresponding row in the table view and alters the value in a separate screen that appears. The table view had a section for each category and each section contained a table cell (row) for each input.

The problem was that the number of inputs became very, very large so that it didn't give the user a very good overview. It was even tedious to scroll from the top of the table to the bottom.

We decided that the user should be able to collapse and expand the sections (categories) of the table by simply pressing the header of the section. We required that the code that achieves this should be reusable and that it requires the least possible number of changes to the existing code.


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Today's iOS Developer Resources


1. Open Source iOS UIAlertView Control Allowing A High Level Of Customization

An iOS Objective-C user interface control for easily creating highly customized UIAlertViews.  You can add images to signify the type of allert, change the background, and outline.

 

You can find GRAlertView on Github here.

A great control for creating custom alert views.

2. Example: Applying The Backbone.js View Concepts To An iOS UIView With Objective-C

An example based on the Backbone.js project showing an alternative method of working with the UIViews using an observer rather than the usual pattern.

You can find NSBackbone on Github here.

You can read more about the example and benefits of this pattern on Berniz's blog here.

An interesting alternative to the usual way of working with UIViews.

3. Easy App Store Promo Code Distribution Tool With Tracking

A Mac based tool for easy iOS app store promo code distribution, and promo code usage tracking.

You can download Tokens from the homepage here (Requires OS X 10.8+).

The free version allows you to generate tokens for one of your apps.

4. An Improved Implementation of the $1 Unistroke Gesture Recognizer For iOS

An open source iOS library providing an improved implementation of the $1 unistroke gesture recognizer.

You can read about CMUnistrokeGesture on Chris's blog here.

You can find CMUnistrokeGesture on Github here.

A nice example app is included demonstrating a wide variety of gestures.

5. Open Source UIImageView Extension Providing Proper Support For Animated GIFs

An open source library providing a UIImage extension for loading animated gifs.

OLImageVIew also performs a number of other optimizations to provide a consistent experience.

You can find OLImageView on Github here.

A nice library to find handy in case you ever find yourself working with animated gif files.

6. Library And Examples For Easier iOS UIActivity Provider Creation

A template removing much of the boiler plate code need in creating a UIActivity provider along with a couple of examples.

You can find ZYActivity on Github here.

A great starting point on creating a UIActivityProvider.

If you've created, or come across any iOS developer resources that you'd like to share you can submit them in below comment section.

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Exploring Tab Bar Controllers


While navigation controllers let users navigate hierarchical content or complex data by managing a stack of view controllers, tab bar controllers manage an array of view controllers that don't necessarily have a relation to one another. In this article, we will explore tab bar controllers in more detail by creating a tabbed application from scratch.


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Wednesday, December 26, 2012

How to Use Instruments in Xcode


You've written your first iOS app - congratulations! Achievement unlocked! What next? How about learning some new features of your development tools to help make your future app projects even better (and maybe help debug problems that arise in your existing apps). Matt Galloway takes you on a tour of the Xcode 4.5 instrumenting tools, showing you how to do profiling, examine the heap, find memory leaks and more.

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How to Submit Your App to Apple: From No Account to App Store, Part 1


This is a blog post by iOS Tutorial Team member Gustavo Ambrozio, a software engineer with over 20 years experience, including over three years of iOS experience. He is the founder of CodeCrop Software.

I'll show you how to sign up for Apple's iOS Developer Program, how to generate the various certificates needed, how to configure your app, and how to submit to the App Store for approval.This two-part tutorial series will document every step of becoming an Apple iOS developer – from literally no account, to published on the App Store!

To create this tutorial, I created a completely new App Store account and submitted a new app to the App Store, keeping careful note of each step along the way.



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Today's iOS Developer Resources


1. Objective-C Utility Class Inspired By Underscore.js Providing Collection Helpers And More

An Objective-C utility class inspired by Underscore.js that provides helpers for using NSArray's, NSDictionaries and other objects.

You can find Underscore.m on Github here.

You can find the homepage with extensive documentation and examples here.

I'd seen other "ports" of Underscore.m that seemed to have issues, but this one looks excellent.

2. Library Providing Easily Customizable HTML-Style Syntax For Rich Text With NSAttributedString

A library allowing you to easily make great looking rich text by providing an html-style syntax for working with NSAttributedString that allows you to customize each tag.

You can find Slash on Github here.

A very nice library for easily creating customized rich text.

3. Open Source Library For Easily Creating A UILabel With Clickable Words

A library that allows you to easily create UILabels with tappable words.



You can find STTweetLabel on Github here.

Looks like a good solution if you're looking to create tappable words within a UIView.

If you've created, or come across any iOS developer resources that you'd like to share you can submit them in below comment section.

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iOS Tutorials : First Steps with UIKit


UIKit is the framework that you will find yourself use most often. It defines the core components of an iOS application, from labels and buttons to table views and navigation controllers. In this article, not only will we start our exploration of the UIKit framework, we will also explore the internals of an iOS project and the basic building blocks of iOS applications.


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Delete Stored Proc with Raw SQL Query via EDF Framework


Delete Stored Proc with Raw SQL Query via EDF Framework Introduction Today, in this article let's play around with one of the interesting and most useful concept in EDM Framework.   Question: What is deleting stored proc data with raw SQL query via EDM framework? In simple terms "It provides flexibility to delete with help of raw [...]


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Articles,Computer Tutorials,EDF Framework,SQL,Store Procedures

Today's iOS Developer Resources


1. Tool For Interactively Generating Core Animation 3D Transforms

A tool that generates the source code for 3D Core Graphics transforms using sliders, and drag and drop so you can easily get things right.

 

You can find Transformifier on Github here.

A handy tool if you're struggling to get that 3D transform code just right.

2. Two Open Source Core Graphics Geometry Libraries

Two different open source libraries providing a collection of Core Graphics geometry functions.

You can find Archimedes on Github here.

Two libraries that should save you a lot of time in case you need to create your own geometry library with Objective -C.

3. Easy To Use iOS String And UIText Validation Library (Regex Comparisons and More)

An easy to use library for validating text in string or UIText format.

You can find PMValidation on Github here.

A nice simple to use library for performing text validation.  By the way at the time of this post there appears to be a small error with a logging statement in the demo, but the example works fine.

If you've created, or come across any iOS developer resources that you'd like to share you can submit them in comment section.

I guess you came to this post by searching similar kind of issues in any of the search engine and hope that this resolved your problem. If you find this tips useful, just drop a line below and share the link to others and who knows they might find it useful too.

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Today's iOS Developer Resources


1. Free Xcode Plugin That Makes Working With Strings Easier

A free Xcode plugin that makes working with strings easier allowing you to edit an unescaped version of the string in a callout bubble automatically placing the escaped version within your code.



You can download HOStringSense through Github here.

Simply compile and drop the plugin into your plugins directory.  Further information is on the Github page.

2. Library Allowing Access Of NSUserDefault Variables As Properties

A library that makes working with NSUserDefaults easier by allowing you to work with NSUserDefaults as properties.

You can find GVUserDefaults on Github here.

A simple idea that should save you some time when working with NSUSerDefaults.

3. NSNull Category That Returns Nil Rather Than Throwing Exceptions When Using Null Objects

An NSNull category that extends Objective-C returning nil rather than throwing an exception when you try to message a null object.

You can find NullSafe on Github here.

This should definitely help to knock out a lot of if statements from your code.

If you've created, or come across any iOS developer resources that you'd like to share you can submit them in comment section.

I guess you came to this post by searching similar kind of issues in any of the search engine and hope that this resolved your problem. If you find this tips useful, just drop a line below and share the link to others and who knows they might find it useful too.


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