Tag: objective-c

ios

IOS development — The actual use of categories in projects

February 7, 2024

by Mrs. Melissa White

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Using objective-C's dynamic runtime allocation mechanism, you can add new methods to existing classes (your own or system or third-party libraries). This way of adding...

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ios

OC Runtime guide document reading

February 7, 2024

by Joshua Robinson

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This document describes 1) the NSObject class and how the OC program interacts with the runtime system, 2) specifically focuses on loading new classes at...

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ios

IOS interview analysis | talk about OC attributes and attributes keywords

February 7, 2024

by Anna Wolfe

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This "iOS fish Weekly 19th issue" interview analysis module explains the knowledge point is OC attribute and attribute keywords, so the author made a summary...

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ios

Aspect Oriented Programming for iOS

February 7, 2024

by Ross Brown-Anderson

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In the last two days of my stay in Runtime hospital, I analyzed the realization principle of AOP. After leaving the hospital, I found that...

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ios

Objective C (7) Object memory analysis

February 7, 2024

by Wendy Daniels

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This series follows a series of articles from Effective Objective-C 2.0. This article mainly aims at several classes to peep into the memory storage of...

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ios

Effective Object C 2.0

February 6, 2024

by Advik Sahota

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Object C is a language for message structures, and the code that the runtime should execute is determined by the runtime environment. The method to...

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ios

The NSproxy virtual base class implements proxying and multiple inheritance as well as polymorphism

February 6, 2024

by Kay Waters

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NSProxy is essentially an abstract class that defines message forwarding capabilities. NSProxy provides message forwarding and NSProxy is a class of the same class as...

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ios

Write an Objective-C wrapper for C++.

February 6, 2024

by Jayan Chandran

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At work recently, I completed a C++ library that both our iOS and Android apps use. To make it easier for our native iOS app,...

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ios

BeeHive – an elegant but still improving decoupling framework

February 6, 2024

by Sarah Stewart

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BeeHive is an open source iOS framework of Alibaba. This framework is an implementation scheme of App modular programming framework. It absorbs the concept of...

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ios

OC underlying principle -02- Memory alignment exploration

February 6, 2024

by Flynn Carpenter

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In the previous article "OC Underlying Principle - 01-Alloc Underlying Exploration", we mentioned a 16-byte alignment algorithm in ALIGN16. Does this mean that the system...

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ios

OC underlying principle -01- Alloc underlying exploration

February 6, 2024

by Megan Norton

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This blog mainly talks about the process of OC object alloc, mainly divided into two steps: 1: how to explore the execution process of alloc...

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ios

Third-party framework management tool – CocoaPods

February 6, 2024

by Gillian Patterson

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In the process of iOS development, we always inevitably use some third-party frameworks, such as AFNetworking, SDWebImage, MJRefresh and so on. The author used to...

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ios

IOS SceneKit Display and Interactive 3D Modeling (2)

February 6, 2024

by Ivana Behl

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Next stitching material address, run after a dark, because there is nothing to look at the map. From the screenshot, can be seen. The scene...

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ios

IOS 10: UIViewPropertyAnimator

February 6, 2024

by Prerak Ghosh

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Generally will go to their own package, so that the large string of code here disgusting.... I think a lot of people are going to...

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ios

Understand the interview questions from the bottom -RunLoop passage

February 6, 2024

by Kanav Sen

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A RunLoop is an object that manages events/messages through an internally maintained Event Loop. When there is no message processing, it will hibernate to avoid...

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ios

New Features for iOS Layout in iOS 11

February 6, 2024

by Kevin Smith

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With the release of more and more sizes of apple dad's devices, there are also changes to the design of iOS, especially after iOS 11,...

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ios

[iOS function] – UICollectionViewLayoutAttributes

February 6, 2024

by Emily Brown

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UICollectionViewLayout provides layout information to UICollectionView, including not only cell layout information, but also append view and decorate view layout information. A common way to...

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ios

Measurement for iOS 10

February 6, 2024

by 李嘉玲

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Unit conversion in fact, in iOS development, has always been a problem, although conversion is not necessarily encountered in most apps, but in some professional...

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ios

Understand the interview questions from the bottom -NSNotification chapter

February 6, 2024

by Iain Roberts

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NSNotificationCenter is a singleton class that manages the creation and delivery of notifications. It does three things: register notifications, send notifications, and remove notifications

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ios

OC – Property keyword and ownership modifier

February 5, 2024

by Kashvi Sane

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1. What are the attribute keywords? Annotations, a new Objective-C feature introduced by Apple in Xcode 6.3, are called Nullability Annotations. These keywords can be...

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ios

IOS analog charging animation

February 5, 2024

by Alexis Thompson

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First, through UIView drawing method to achieve mobile phone charging animation, to achieve the effect of two, step analysis to achieve the charging effect is...

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ios

The old driver iOS # 14 | 2018-04-09 weekly newspaper

February 5, 2024

by James Ball

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Old driver iOS weekly, just for you to present valuable information. We have opened an official account, which will push messages when each issue is...

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ios

IOS – The verification code is shown on the left side of the problem

February 5, 2024

by Dr. Roy Pratt

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See the question first Baidu, only to find the following two answers. https://tieba.baidu.com/p/7254829838https://bbs.hupu.com/38043101.1. _verifyV. _verifyV. _verifyV. _verifyV. _verifyV...

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ios

When SGPlayer is used to play the panoramic live stream, the video source can be normally played through VLC player or MKPlayer on the MAC side of the computer, but on iOS phones, after the video is loaded, sometimes

February 5, 2024

by Christopher Decker

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When SGPlayer is used to play the panoramic live stream, the video source can be normally played by VLC player or MKPlayer on PC MAC....

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ios

The underlying principle of ios Alloc development

February 5, 2024

by Neil Evans

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1. Why alloc? In oc development, we often use alloc to open up memory space for objects such as School*s1=[Schoolalloc]2. The alloc process is in...

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ios

What does iOS alloc actually do (1)

February 5, 2024

by Aidan Reid

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1. Alloc assembler view 1.1. Alloc direct view let's directly click on alloc, go to see the source code. All we know from here is...

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ios

Alloc exploration on the underlying principle of OC

February 5, 2024

by Mary Prentice

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An OC object is initialized by calling an alloc method. What does an alloc method do to create an object? First, do a little test....

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ios

Practical application of Runtime and use of Aspects

February 5, 2024

by Ben Dale

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I first encountered the concept back in 17, when there was a requirement that clicking buttons (not all) should check whether the user is authenticated...

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ios

Alloc analysis of NSObject

February 5, 2024

by Jonathan Harris-Watts

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Then find out where version control is used. Find a special message tryEmitSpecializedAllocInit

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reading

Chapter 5 — Structures and Classes (Entities and Values)

February 5, 2024

by Jill Singh

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The distinction between entities and values is reflected in Domain Model DrivenDesign [1], where each entity has a unique identity and the value is determined...

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