Open Source Projects

The following projects are the open source projects hosted at ProjectsWithLove. They are mostly projects that I've written and shared as part of my Mac programming blog, CocoaWithLove and are intended to teach concepts and techniques in Cocoa Mac programming.

Name	Related blog post	Description
AnimationAcceleration	Parametric acceleration curves in Core Animation	A sample Mac application that simulates some functions that CAMediaTimerFunction can't achieve by using parametric CAKeyframeAnimation values.
AppWithButton	Custom views in Interface Builder using IBPlugins	An Mac application with a custom drawn button and a plugin allowing the button to be viewed and customized in Interface Builder.
AustralianPostcodes	The design of an iPhone application	An sample iPhone application that displays the locations of Australia Postcodes from a Core Data file in an MKMapView.
CocoaScript	A Cocoa application for running scripts	A Mac application that runs a series of steps, recording the output of each step and tracking the success/failure result of the steps, much like a typical IDE build log.
ColumnSplitView	An NSSplitView delegate for priority based resizing	A Cocoa Mac delegate class that configures a split view for this side panel and main view behavior — resizing the views in a split view based on a priority list.
ColumnViewSample	Custom UI Bindings in Interface Builder	A Mac application demonstrating how to implement custom UI bindings with a column view designed like the iOS UITableView.
CSVImporter	Writing a parser using NSScanner (a CSV parsing example)	An RFC4180 compliant CSV parser implementation to show you the basics of writing a recursive descent parser for importing data into your Cocoa applications.
CurveDrawing	CoreGraphics curves and lines: a sample app	A small Mac application which shows the basic CoreGraphics line drawing primitives. Includes mouse editable control points to manipulate the primitives graphically.
CustomObjectCreation	Alternative Objective-C object allocation for large arrays	Sample code that shows how to allocate arrays of Objective-C objects with a single malloc operation (for efficiency).
EasyCustomTable	Easy custom UITableView drawing	A sample iPhone application that draws its UITableView using entirely custom graphics.
FIFOQueues	Breadth-first traversal of a graph of Objective-C objects	A command line Mac program used to test overheads of using an NSMutableArray as a FIFO queue in different ways.
FullscreenImage	Animating a window to fullscreen on the Mac	A simple Mac application which shows how to animate a window to fullscreen.
GraphicalSubtraction	5 ways to draw a 2D shape with a hole in CoreGraphics	A collection of different ways to draw hole in the center of an object in CoreGraphics.
HashValue	HashValue: an object for holding MD5 and SHA hashes	A class for creating MD5 and SHA hashes easily in Cocoa.
HiddenDrawer	Intercepting status bar touches on the iPhone	An iPhone application that uses an undocumented hack to intercept a status bar touch and display a hidden drawer.
IconApp	Advanced drawing using AppKit	A Mac application that draws an icon similar to the Mac App Store icon, entirely in code using AppKit drawing primitives.
iPhoneStreamingPlayer	Revisiting an old post: Streaming and playing an MP3 stream	An iPhone application that can stream and play a continuous MP3 audio stream via HTTP.
LocalSubstitutionCache	Substituting local data for remote UIWebView requests	An iOS application that shows how to use a custom webcache to substitute local data for requests in a UIWebView.
LinkedListCoding	Using NSKeyedArchiver to archive a C linked-list	A class for creating an NSKeyedArchive from a C linked list.
Magic Number Machine	N/A (predates CocoaWithLove).	A free, full-featured, graphically laid out, high-precision, scientific calculator for Mac OS X 10.4 and greater. Full source-code is included with the distribution.
MultiRowSelect	Multiple row selection and editing in a UITableView.	An iPhone application that can select multiple table rows (like the message delete interface in the iPhone Mail app).
NameListEditor	Application Design in AppKit	A simple Mac application that I used in the post to illustrate how Model-View-Controller applies to Cocoa Mac applications.
NewToTheStore	A Cocoa application driven by HTTP data	A Mac application which shows how to populate a table column and main window view from data fetched from an HTML page.
NibOrNot	Load from NIB or construct views in code: which is faster?	An iPhone application that tests whether constructing a view in code or loading the view from a NIB file is faster.
NSData_Base64	Base64 encoding options on the Mac and iPhone	A class for encoding and decoding Base64 data.
NSFileManager_DirectoryLocations	Finding or creating the application support directory	A category for the NSFileManager class that allows you to find or create the application support directory in a single line.
NSHost_ThreadedAdditions	A drop-in fix for the problems with NSHost	An NSHost category which makes the class threadsafe.
NSInvocationForwardedConstruction	Construct an NSInvocation for any message, just by sending	A class for creating an NSInvocation object simply by sending the message to the class.
NSString+SymlinksAndAliases	Resolving a path containing a mixture of aliases and symlinks	An NSString category that can resolve paths with a blend of aliases and symlinks.
OpenFileKiller	Invoking other processes in Cocoa	A Mac project that shows how to invoke other processes — optionally with root privileges — and get the results in a single line. The sample application can kill the processes that have opened a specific file.
OrderedDictionary	OrderedDictionary: Subclassing a Cocoa class cluster	An NSDictionary subclass that keeps its keys in an ordered array and can rearrange as desired.
PagingScrollView	Multiple virtual pages in a UIScrollView with just 2 child views	A sample iPhone application that shows how to maintain multiple pages in a scroll view without needing to allocate and maintain more than 2 pages at any given time.
PhoneNumbers	Heterogeneous cells in a UITableViewController	A sample iPhone application that uses a small, self-managing CellController class to eliminate conditionals from a UITableViewController that manages different row types. The sample application shows the phone numbers in your Address Book.
PropertyAccessors	Performance Tests: Replacing Core Data key paths	Categories on NSArray and NSSet for faster traversals of key paths in Core Data. Includes the performance tests that measure the speed difference.
PropertyFromInstanceVariable	Instance variable to synthesized property (an Xcode user script)	A PERL script plugin for Xcode that can generate a property declaration and @synthesize statment for selected instance variables.
Quartzeroids2	An Asteroids-style game in CoreAnimation, Part One, Two, Three and Four.	A Mac implementation of "Asteroids" using entirely scalable vector graphics.
RecreatedTableViewController	Recreating UITableViewController to increase code reuse	A reimplementation of UITableViewController starting with a basic UIViewController so that a single view controller could be used for either.
RecreatingNSApplication	Demystifying NSApplication by recreating it	A Mac application that recreates (almost all of) the critical parts of NSApplication so that you can see how NSApplication works.
RoundWindow	Drawing a custom window on Mac OS X	A simple application with an entirely custom drawn window (uses a round, gray-gradient ellipse frame).
SelfTesting	Automated user interface testing on the iPhone	An iPhone Simulator application that can automate its own user-interface as though a user were driving it and can test that specific results are achieved after this automation.
ShadowedTableView	Adding shadow effects to UITableView using CAGradientLayer	An iPhone application with a UITableView subclass that draws shadows under and above every section.
Spinner	Custom build rules, generated tables and faster floating point	A variation on Apple's OpenGL sample iPhone application that uses an Xcode custom build rule to generate a lookup table to use instead of the sin function for faster trigonometry.
Stickies	Serving an NSManagedObjectContext over an NSConnection	A Mac application which serves an NSManagedObjectContext over an NSConnection to a remote host.
StreamingAudioPlayer	Revisiting an old post: Streaming and playing an MP3 stream	A Mac application that can stream and play a continuous MP3 audio stream via HTTP.
SynthesizeSingleton	Singletons, AppDelegates and top-level data.	A header file that allows you to turn any class into a singleton with a single macro invocation.
TapZoomRotate	A ZoomingViewController to animate a UIView to fullscreen	An iOS view controller that can zoom a view to fullscreen and back.
TableDesignRevisited	UITableView construction, drawing and management (revisited)	A project that shares the code I typically use to manage UITableViews and UITableViewCells on iOS.
TextMasking-iPhone	Creating alpha masks from text on the Mac and iPhone	A simple iPhone application that shows how to create a bitmap mask from text and use it for drawing effects.
TextMasking-Mac	Creating alpha masks from text on the Mac and iPhone	A simple Mac application that shows how to create a bitmap mask from text and use it for drawing effects.
TextTransfer	A simple, extensible HTTP server in Cocoa	An iPhone application that embeds an extensible HTTP server for transferring off of the iPhone via HTTP.
ThreadingOverheads	The overhead of spawning threads (a performance experiment)	A small Mac program that tests the relative performance of different ways of creating threads in Cocoa.
ToneGenerator	An iOS tone generator (an introduction to AudioUnits)	An iOS application that uses an AudioUnit to play a tone and a UISlider to change the pitch while the tone continues to play.
UncaughtExceptions	Handling unhandled exceptions and signals	A basic iPhone application that demonstrates some basic ways that you can catch exceptions and signals for debug purposes.
WhereIsMyMac-WithUnitTests	A sample Mac application with complete unit tests	A reimplementation of my WhereIsMyMac sample Mac application with full unit tests using Test-Driven-Development.
WhereIsMyMac	WhereIsMyMac, a Snow Leopard CoreLocation project	A sample Mac application that uses Core Location in Snow Leopard to show the Mac's current location in Google Maps.
WhereIsMyPhone-WithUnitTests	A sample iPhone application with complete unit tests	A reimplementation of my WhereIsMyMac application for the iPhone with full unit tests using Test-Driven-Development.
WorldTimeConverter	WorldTimeConverter: Dates and timezones in Cocoa	A Mac application that can convert a specified time in any timezone to the equivalent time in another timezone.
XPathQuery	Using libxml2 for XML parsing and XPath queries in Cocoa	A wrapper around libxml to make full DOM based parsing and Xpath based searching easier on the iPhone.