Objective-C

Introduction In project development, there are times when you need to use "some existing objects" that were previously developed, but the interfaces required in the new environment are not satisfied by these existing objects. How do you respond to

First look at the effect chart: Specific implementation code: 1. Controller APPDELEGATE.M//Infinite carousel///Created by Zhangmi on 16/5/16. COPYRIGHT©2016 year Paramount Pictures. All rights reserved. #import "ViewController.h" #import

Reprint please indicate source: http://blog.csdn.net/zhangxingping implementation of the classThe definition of a class is structurally similar to the declaration of a class. The definition of the class begins with the @implementation command word

In the front, we know that the nature of the class is actually an object, is the class type, then the loading process is how? In fact, the loading process of the class is very simple, first load the parent class and then load the subclass, and each

Before their idle bored to write a few application of the Web page "purse software", in fact, like this "purse software" can also do very high-end atmosphere, through the WebKit implementation of Oc-js Bridge, can be very convenient to implement in

1objective-C in different ways to implement the lock (ii)2 3In the previous article, we have discussed the use of objective-C Lock several implementations (jump address), but also with the code to actually demonstrate how to build a mutex to achieve

Blocks Block Code SnippetBlock encapsulates a piece of code that can be executed at any time. It is an extension of the function in C, which is actually implemented in C, so it is valid in all languages based on C, including Objective-c, C + +, and

Agreement: A protocol is not a class: it can only declare a method and cannot have any instance variables, it has two types: formal and informal, and the Protocol only declares files, no implementation files. Formal agreements are a

[Proficient objective-c] object and message deliveryReference book: "Proficient objective-c" "Beauty" Keith LeeDirectory Proficient in Objective-c object and message passing Directory Object Creating objects

OC is an object-oriented language, so it also has the concept of class, object, static \ Dynamic method, member variable. This is to create the first OC class.I. Introduction to Grammar1. ClassIn Java, we can describe a class with 1. java files, and

A Nsvalue object is a simple container for storing a C or objective-c data. It can save any type of data, such as Int,float,char, of course, it can refer to pointers, structures, and object IDs. The goal of the Nsvalue class is to allow data

The protocol in Objective-c, equivalent to the interface in JavaReference: http://www.cnblogs.com/zzy0471/p/3894307.htmlA simple protocol to follow:PersonProtocol.h@protocol Agreement name @requiredMethods that must be implemented@optionalOptional

GitHub's Objective-c animated UI library is actually the most part, and GitHub has quite a part of the animated Daniel, such as Jonathan George,nick Lockwood,kevin,roman Efimov,christopher Wendel,jared Verdi,peter Steinberger, and so on, are some

Class extension is like an "anonymous" category. The method declared in the extension is implemented in the @ Implementation of the class and its corresponding @ end. Class sometimes needs to make the method visible to itself, we can define the

I. Inheritance of Classes In objective-C, class inheritance is similar to that in C ++. The difference is that objective-C does not support multiple inheritance. A class can only have one parent class, single inheritance makes the inheritance

Objective-C RuntimeDescribes the MACOs objective-C Runtime Library support functions and data structures. overview (overview) the definition of runtime in the official document the objective-C Runtime is a Runtime Library that provides support for

Chapter 2: learn more about xcodeXcode is a useful tool with many powerful functions, but not all functions are easy to find. If you plan to use this powerful tool for a long time, you must know it as much as possible. This chapter describes how to

There are many introductory books on Object-C, which will not be listed here. But these books all have a small problem, that is, translation statements, which are sometimes confusing. A few days ago, I saw a post during a visit to cocoachina,

Keyword @ when we see this keyword, we should think that this is an extension of the C language for Object-C, such as @ interface XXX. @ Interface declaration class @ Implementation implementation class @ protocol declaration Protocol @ optional and

In addition to using objective-C on MAC systems, you can also download and install the gnustep and objective-C environments on Windows. What is gnustep and its usefulness, here is a brief introduction: gnustep provides APIs and tools similar to