Tag: objective-c

ios

IOS SceneKit Display and Interactive 3D Modeling

January 12, 2024

by Penelope McManaway

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SceneKit is built on top of OpenGL and includes advanced engine features such as lighting, models, textures, cameras, etc. SceneKit implements a hierarchical tree of...

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ios

Swift standard library source read note – Array and ContiguousArray

January 12, 2024

by Paige Duncan

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We have a detailed introduction of meow God article about ContiguousArray. We can take a look at this article first. Next, take a look at...

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ios

• Example — CollectionView and tableView

January 12, 2024

by Craig Jensen-Middleton

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conclusion

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ios

OC underlying study 3– Initialization and orientation analysis of ISA

January 12, 2024

by 李冠宇

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Began to continue to study OC source code, this research is isa initialization and pointing analysis. 1. Concept ISA: a pointer to the class of...

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ios

Thread Call Stack capture and parsing

January 12, 2024

by Billy Mason

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To get the call stack of the current thread, you can use the existing API:[NSThread callStackSymbols]. However, there is no API for fetching the call...

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ios

Internal implementation principles of iOS category

January 11, 2024

by Umang Dar

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No matter how well a class is designed, it is possible to encounter unpredictable situations in the evolution of future requirements. So how do you...

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ios

Rip iOS bottom 13 – hand to help you sort out the ‘objc_msgSend’ assembly source code

January 11, 2024

by Susan Jones

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Is there any push in? I recently wanted to change pits. Objc_msgSend (say1); objc_msgSend (say1); The final output is the same. [t say2] and objc_msgSendSuper...

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ios

Explain the associated objects in iOS

January 11, 2024

by Norman Roberts

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Further proof that implementations of the set and GET methods are not generated, but declarations of the set and GET methods are, because the method...

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ios

Detailed description of Cateogry in iOS

January 11, 2024

by Charles Brown

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The name, the list of object methods, the list of class methods, the list of protocol methods, the list of properties, if the corresponding is...

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ios

IOS keyframe animation

January 11, 2024

by Stanley Watson

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Recent project requirements involve some animation effects. For basic animations, you can use the CABasicAnimation implementation that QiShare shared earlier, while path-related animations (such as...

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ios

Basic principles of iOS (4) Block

January 11, 2024

by 張宜君

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4. The __block_impl structure contains an ISA pointer, indicating that block is also an OC object. In the __main_block_IMPL_0 constructor isa points to an address...

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ios

In-depth understanding of GCD dispatch_group

January 11, 2024

by William Gray

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The dispatch_Semaphore implementation is based on the low-level implementation of dispatch_Semaphore that was introduced earlier. Before looking at the source code, let's take a look...

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ios

IOS Upgrade Attack – NSObject Memory usage and allocation

January 11, 2024

by Badal Loyal

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Does an instance object of NSObject require the same amount of memory as the system allocates? What are the reasons for the inconsistencies? Explore the...

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ios

IOS development easy to learn Socket

January 11, 2024

by Kanav Sen

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These two days many students want to hear about Socket content! So it took a little time to prepare it, and the open lesson sharing...

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ios

IOS generates qr codes/bar codes

January 11, 2024

by Todd Garcia

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Following the text of iOS scanning TWO-DIMENSIONAL code/bar code and iOS scanning album image two-dimensional code, this paper introduces the relevant technical points of iOS...

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ios

Create the Swift Framework quickly and efficiently

January 11, 2024

by Timothy Jones

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This article is my work in the process of developing the Framework of the pit through the detour of the summary, this tutorial is suitable...

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ios

IOS multithreading: GCD details

January 11, 2024

by Martyn Henry

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GCD has obvious advantages that make it very important to deal with multithreading problems. The relationship between GCD tasks and queues is confusing to many...

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ios

3 minutes Set up the App Store dynamic audit switch

January 11, 2024

by Anay Agarwal

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I wrote in an article that I hope you don't cheat the App Store Review Team, but after the recent Uber Review incident, and what...

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ios

GJLightBlueTooth – a lightweight iOS Bluetooth development library

January 11, 2024

by Romil Sarraf

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It has been nearly half a year since I resigned from my last company. I have been dealing with Bluetooth for a year, and I...

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ios

GCD with thread-safe use

January 11, 2024

by Mrs. Sylvia Day

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There are two types of GCD: serial queue and concurrent queue. Dispatch Concurrent Queue: Task FIFO, in which multiple tasks may be executed at a...

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ios

Why did I use Texture to build my App

January 11, 2024

by Chelsea Parrish DDS

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I've been using Texture in my apps for a long time (and it's also used by giants like Facebook Pinterest and Buffer. It's an iOS...

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ios

IOS to recognize a slag for summary essay | the nuggets technology

January 11, 2024

by Samarth Sant

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Located in the corner of north China, many companies did not come to the site for spring recruitment this year, so most of them were...

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ios

Thorough understanding of NSNotificationCenter notifications (including implementation code)

January 11, 2024

by Iain Roberts

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NSNotificationCenter is a familiar thing for iOS engineers, but some people may not even understand the meaning of parameters. The purpose of this article is...

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ios

IOS multithreading: NSOperation details

January 10, 2024

by Mary Baker

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NSOperation is a complete multithreading solution provided by Apple. In fact, it is based on a higher level of ENCAPSULATION of GCD and is completely...

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ios

OC memory management – Reference counters

January 10, 2024

by Manikya Bhatti

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Otherwise the Runtime uses a hash table to manage the reference count. The Tagged Pointer value is no longer an address, but a real value....

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ios

Video base and MP4 container unsealed

January 10, 2024

by Kiaan Bir

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Recently, we are studying the scheme of using video as animation carrier based on mobile terminal platform. Currently, the schemes of using animation on mobile...

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ios

Notification.Name: How does Swift handle String hardcoding gracefully

January 10, 2024

by Aidan Reid

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When I first learned the code related to NSNotification in Swift, I found that the type of the name parameter I was familiar with was...

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ios

The nature of objective-C classes

January 10, 2024

by John Armstrong

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Objective-c (hereinafter referred to as OC) is a highly dynamic programming language. The dynamic of OC is realized based on Runtime. Runtime system is written...

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ios

IOS Memory Leak scenarios and solutions

January 10, 2024

by 方淑慧

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A memory leak is a situation in which dynamically allocated heap memory (space managed by the programmer himself) in a program fails to be released...

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ios

IOS Development: CLUIKit: The Wheel you Built

January 10, 2024

by Ira Sandal

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CLUIKit is an extension of UIKit API of the system, as well as some SELF-encapsulated UI. The usage of API is all in CLUIKitExample. If...

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