Categories and classes by Eye Street Research to assist in Cocoa Touch development.
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es_ios_utils.xcodeproj
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README.markdown

README.markdown

Please look to https://github.com/ConventionalC/ConventionalC, where many of these functionalities are being migrated. It provides more modern objective-c, rubyish categories, static library compilation, CocoaPod specs, and cleaner platform specific headers and sharing.

Eye Street Research iOS Utils

Peter DeWeese, Eye Street Research, LLC. http://research.eyestreet.com Purpose and Method

The primary purpose of this library is to DRY out verbose iOS code and reduce unnecessicary ceremony using language features such as categories, @dynamic, blocks, and the occasional macro. Rails and Java standards are borrowed from when reasonable. When methods are borrowed from other languages, they should generally be conformed to Objective-C convention. Derivative values should be made available as read only properties whenever possible for code brevity, as in the example @" asdf ".strip.

Installation

I prefer including the source of small libraries in Cocoa Touch projects as git submodules to give full insight, easier contribution, and less compilation changes. Drag the es_ios_utils/es_ios_utils directory to your project and do not select to copy. When testing, open the es_ios_utils project. Importing the entire project and adding its targets as dependencies may be an alternative.

#import "ESUtils.h" imports all of the utility categories and macros. Include it in your .pch file.

###Framework The default build creates a framework that can be included in another project.

###Statically Linked Library There is no target for this right now, but it can be done. When including the compiled library in your project, open the build properties and add -ObjC to "Other Linker Flags". In Xcode 3.x, use -all_load or -force_load. Without this flag, categories may not link properly.

Features

See ESNSCategories.h and ESUICategories.h for more methods.

###isEmpty and isNotEmpty properties Implemented for NSArray, NSDictionary, NSNull – which is always empty, NSSet, and NSString. nil.isEmpty returns false, so a full check requires !s || s.isEmpty. Preferably, nil.isNotEmpty returns false so no existance check is necessicary.

###macros Very common and generic operations are included as macros for brevity, prefixed with '$'. Examples: $array(object1, object2, nil) $set(object1, object2, nil) $format(@"My Format: %i", 3)

###ESDynamicMethodResolver Use @dynamic to conveniently bind properties files, xml documents, etc. See ESBoundUserDefaults.h for an example.

###UI UIViews frames edition used to require recreation of a CGRect or multiple lines to get a rect from the view, manipulate it, and then set it again. Now you can use a property directly from the UIView, like myView.x += 20.

UITableView convenience methods reduce usage of index paths. Methods that require a row index but no section assume the first section.

###Core Data Blocks are available for error handling and new object configuration.

To Do

  • Add application tests for UI categories and ESBoundUserDefaults.
  • Add application tests for core data.
  • Test framework product.