Objective-C

  after iOS6.0 and OS X10.8, Apple introduced a set of informal protocols (informal protocol) that are directly bound to the OBJECTIVE-C syntax. Once you have implemented this method, you can use the array subscript to access the attribute elements  

CommentsAlthough it is painful to write, annotations are the key to keeping your code readable. The following rules give you an explanation of when and where you should comment. Remember: Although annotations are important, the best code should be

Nsmutablearray modifies elements, using -insertobject:atindex: and -replaceobjectatindex:withobject: All can, that is, by inserting ( Insert) and replacement (replace) can be implemented.Example://Reduce button monitoring- (void) Onsubbtnpressed:

In object-oriented languages, OBJECTIVE-C's handy initialization function can be understood as a constructor with parameters, such as java,c++, but somewhat different ...For example, use the student class as an example　　First is the Student.h

The 16th chapter of the book on the operation of the file and directory, the content is relatively simple, again skipped.The 17th chapter of the study notes by myself summarized and presented to you.Memory Management:-Use memory management to clean

NSObject Common methodsUsed to determine whether a method is implemented in an object (encapsulated in a selector object)-(BOOL) respondstoselector:selector//used to determine whether a method is implemented in an object. The difference between

Table of Contents Object model (structure definition, class object, Meta class, and instance object relationships) Message delivery and forwarding mechanisms Runtime System Functional Understanding Object model Structure

Main references in this series:Objective-c Runtime ReferenceObjective-c Runtime Programming GuideMajor documents involved: Objc/message.h,objc/objc-api.h,objc/objc.h,objc/runtime.hCool bar [tekuba.net] Use the Creative commons agreement "attribution-

Object orientedObject-oriented (object-oriented) is based on process-oriented (procedure-oriented)Object-oriented Emphasis object OC, Java language is object-orientedProcess oriented C language is process orientedObject-oriented is a programming

Objective-c Memory Management?? Memory management?? The first partMemory Management is part of a more general problem in programming called resource management.Memory management is part of resource management.Every computer system have finite

Regular expressions determine the phone number and phone number method:1 #import2 /**3 regular Judge cell phone number address format4 */5BOOL Ismobilenumber (NSString *mobilenum) {6 /**7 * Mobile phone number8 * Mobile: 134[0-8],135,136,137,138

First, the concept:1. Delegate (delegate, also called agent): When an object receives an event or notification, it queries its delegate object whether it can respond to the event or notification, and if so, This object sends a message to its

What is the meaning of block, features and so on, these things are really too complex, here is simply a summary of the block memory management. And it's only part of the objective-c.Block MemoryBlock memory management, should be the most headache,

There are two ways of creating new objects in obj: [classname new] and [[ClassName Alloc] init]. The two methods are equivalent, and the Cocoa Convention is to use Alloc and init.1. Assigning objects:Allocation is a new object birth process that

In associated objects last week, we began to explore some of the dark spells of the OBJECTIVE-C runtime. This week we went on to discuss perhaps the most controversial run-time technology: Method swizzling.Method swizzling refers to the process of

1. data type.Int % OFloat % FCouble %Char % C 2. instance variable scope commands:@ Protected the instance variable can be directly accessed by the class and any method defined in the subclass (default ).@ Private instance variables can be

First, introduce the framework audiotool.   Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> - (ID) initwithpath :( nsstring * ) Path{Uint32 size, maxpacketsize; Char *

Ccluaobjcbridge is a "bridge" between cocos2d-x engine and objective-C. laoliu's quick-cocos2d-x is encapsulated in its framework and encapsulated into luaoc class: luaoc.callStaticMethod = CCLuaObjcBridge.callStaticMethodThe function prototype is

1. Steps for declaring a class interface: 1. Declare a class interface and add the class name with @ interfacekeyword. 2. Use {instance variable} to define various data members. 3. method declaration: declare a C function using the infix syntax and

Codeblocks integrated objective-C Development 1. First install the objective-C Compiler Gnustep Windows Installer provides a simulated development environment for objective-C on the Windows platform. There are four software packages, including