WebRTC – Protocol for implementing video conferencing
It's no secret that remote working has become more popular since the beginning of the COVID era, and despite the advent of vaccines, many companies...
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Tag: objective-c
IOS memory Management details
December 17, 2023
by 楊怡伶
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As you can see from the figure above, the stack holds value types and the heap holds object types. Reference counting of objects is performed...
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Summary of audio and Video Development Pitfalls (I)
December 17, 2023
by Aaryahi Keer
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1. Media Constraint Set audio and Video permissions. Add videoSource audioSource Add audioTrack and videoTrack set captureSessio
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IOS Runtime,
December 17, 2023
by Gina Harrell
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Let's explore the implementation mechanism of Runtime from the following aspects. There are actually two versions of Runtime: "Modern" and "Legacy." We're using objective-C 2.0...
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Implementation principle of associated Objects 【OC】
December 16, 2023
by Dr. Nathan Davis
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AssociationedObject is used mostly to extend member variables for a particular class in a Category, but also to dynamically create member variables for certain objects...
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Runtime 4: The nature of super
December 16, 2023
by Tara Kale
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1. Objc_super and objc_msgSendSuper Let's start with two data structures, objc_super and objc_super2. Look at two more functions, objc_msgSendSuper() and objc_msgSendSuper2(). But we can infer...
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⚠️ iOS Interview review 2019 — constantly updated ing⚠️
December 16, 2023
by 熊雅萍
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👏 Visit my GitHub for more content. In the summer of 2019, the weather in Chengdu was extremely hot and muggy. Due to the reasons...
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[iOS development] Messaging and message forwarding mechanisms
December 16, 2023
by Dennis Gray
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EffectiveOC2.0 calls a method on an object. The term is effectiveOC2.0. The message has a name, a selector (method), accepts parameters, and
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IOS – commonplace memory management (4) : memory management method source analysis
December 16, 2023
by Nathan Mitchell-Smith
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So far we have only covered the use and usage of memory management methods, but what does the internal implementation of these methods look like?...
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Code obfuscation (OC)
December 16, 2023
by John Gibb
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I have been doing iOS development for several years. I usually pack up my projects and upload them to Appstore directly after finishing them, and...
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Effective Objective-C 2.0: Effective Objective-C 2.0: Effective Objective-C 2.0
December 16, 2023
by 孫哲瑋
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One of the worst recommended books, this book summarizes and explores 52 little-known and overlooked features and pitfalls of Objective-C programming, from syntax, interface and...
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Effective Objective-C 2.0: Effective Objective-C 2.0: Effective Objective-C 2.0
December 16, 2023
by Mary Baker
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Objective-c adds object-oriented features to C, and is its superset. Objective-c uses a dynamically bound message structure, which means that the object type is checked...
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[iOS Development] Three types of NSString
December 16, 2023
by Toby Peters-Newman
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In iOS, TaggedPointer creates four strings: one, three, assign directly, and two, four, assign one and two with stringWithFormat
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TableviewCell reuse mechanism learning
December 16, 2023
by Dr. Guy Harrison
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Last November I wrote to learn this part of the content, but not only have mistakes, their understanding is not good, now want to reuse...
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YYCache Source parsing
December 16, 2023
by Michelle Love
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YYCache is a thread safe high-performance cache component open source by domestic developer Ibireme. The code style is concise and clear. It has 1600+ stars...
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IOS Button continuous click processing prevents Button continuous click
December 16, 2023
by Mr. Steven Clayton
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Many times we do not want the button to be repeatedly pressed, if to write Enabled slightly troublesome, here provides a control button click interval...
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IOS – Talk about Autorelease and @Autoreleasepool
December 16, 2023
by Sarah Green
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As an iOS developer, one of the most common questions in the interview process is: When will an AutoRelease object be released in the ARC...
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IOS Interview Parsing – Block variable capture mechanism
December 16, 2023
by Robert Maddox
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This "iOS Fish Weekly issue 18" brings the interview analysis is the variable capture mechanism of block. By understanding the variable capture mechanism of blocks,...
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YYImage inquiry
December 16, 2023
by Joyce Khan
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YYImage is a powerful image processing tool in YYKit framework, the author of ibireme, which includes the image codec and GIF playback and other functions
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Value types and reference types
December 16, 2023
by Saksham Bumb
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Variables of value type contain their data directly. Value types have their own copy of data, so it is impossible to manipulate one variable to...
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IOS – Memory Management (part 3) : ARC
December 16, 2023
by Zeeshan Halder
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ARC (Automatic Reference Counting) is a new memory management technology introduced by Apple in iOS 5 and OS X Lion. ARC is a compiler feature...
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IOS – Tagged Pointer
December 16, 2023
by Ricky Kerr-Fletcher
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In objC4 source code, we often see Tagged Pointer in functions. What is Tagged Pointer? Start reading this article. 1. Tagged Pointer In order to...
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【Lawliet take you to play iOS source code 】isKindOfClass source pit
December 16, 2023
by Amber Hampton
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IsKindOfClass ISA common API for people who are not familiar with ISA and classes. Chances are you'll step in a pit. And there are other...
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Runtime Runtime slow lookup process
December 16, 2023
by Alex Hussain
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Why write 'objc_msgSend' in a assembly? Because assembly executes the entire process at a speed that is closer to machine language, faster, and safer, caching...
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Objc_msgSend explores the underlying principles of iOS
December 16, 2023
by Francesca Savage-Hope
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In the last article, we explored Runtime and three ways to interact with Runtime, and concluded that the essence of a method is actually the...
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Exploration of the underlying principles of iOS structure in vivo alignment
December 16, 2023
by Christopher Foster
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Why study memory alignment of structures? As we all know, all objects are a structure at the bottom. How much of the structure's memory space...
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Associated object for iOS underlying principle exploration
December 16, 2023
by Biju Acharya
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In the previous two articles, we looked at the overall process of class loading and classification loading, respectively. In fact, it explores a process from...
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An open source hotel reservation App and its background management system
December 16, 2023
by Ruby Matthews-Hughes
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It has realized the hotel booking function similar to Elong App, including hotel search, featured hotel recommendation, special hotel recommendation and other functions. It can...
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IOS low-level exploration on the —– class loading
December 16, 2023
by Ryan Frank
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Through the previous three articles, we have understood the loading process of the program, the interworking relationship between dyld and _objc_init, the execution of load_images,...
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Summary of the phase of iOS underlying principle Exploration 1
December 16, 2023
by Tiya Wali
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The phase summary of the exploration of the underlying principles of iOS is the summary of the underlying exploration, and the chapter will not be...
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