IOS – The Cliche of Memory Management: A guide
The following lists some of the problems with memory management. If you are confused or have only vague answers to the following questions, this series...
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Tag: objective-c
A very detailed objective-C to Swift migration guide
January 8, 2024
by Leonard Walters
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I learned a little bit and wrote a few lines of code when Swift was just released. In the second year, I found that the...
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IOS – Advanced graphics processing (I, picture display related theory)
January 8, 2024
by Aarav Rana
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The optimization of APP performance has always been a problem that needs to be treated seriously. Especially, the more complex the project is, the more...
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Why are there three phases in Objective-C message forwarding?
January 8, 2024
by Nigel Knox
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Let's answer these questions by looking at each stage in detail. In some cases, you want to be able to dynamically provide implementations for a...
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IOS Sensor: Use the gyroscope to complete a small ball hit the wall game
January 8, 2024
by Debra Hill
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I learned about the iPhone's built-in accelerometer last time by implementing a gadget that rotates with the screen. Let's do some more fun stuff today....
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IOS – Memory Management (ii)
January 8, 2024
by Patricia Randolph
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Memory management is inevitable in iOS development. Since the MRC has long gone, this study note focuses on memory management practices under ARC. In principle,...
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Effective Objective-C — Effective Objective-C — Effective Objective-C — Effective Objective-C
January 8, 2024
by Joyce Khan
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Following the Effective Objective-C Dry Trilogy (Part 1) : Concepts, this is the second part of the trilogy: Specifications. Concept class: explains some conceptual knowledge....
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IOS Memory Management 2: Automatic releasepool Autoreleasepool
January 8, 2024
by Lagan Rattan
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If you are familiar with OC development, you will know that there is such a thing as @AutoReleasepool in the main function, which is the...
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Basic principles of iOS (3) Category
January 8, 2024
by 周佳樺
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6. _OBJC_CATEGORY_PROTOCOLS_$_Person_$_Eat records the classification method of NSCopying and NSCoding. If multiple classifications have the same method, The order of compilation determines which classification methods...
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WKViewManager iOS popover architecture
January 8, 2024
by Aarush Rao
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Recently, due to the excessive number of pop-ups in the App, coupled with the translucent guidance layer, multiple pop-ups often overlap and pop up, even...
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OC Underlying Principles 07- objc_msgSend on
January 8, 2024
by Josephine Evans-Phillips
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Cache Readers (PC-Checked by Collecting_IN_Critical ()) objc_msgSend cache_getImp Cache Readers/WR
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IOS interview questions -OC object isa pointer
January 8, 2024
by Raewyn Buchanan
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1. Instance object 2. Class object 3. Meta-class object If the superclass of the meta-class is not found, the superclass of the meta-class is not...
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OC Underlying principle -13: Message flow analysis – dynamic method resolution -&- message forwarding
January 8, 2024
by Scott Ortiz
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If objc_defaultForwardHandler looks familiar, this is the most common error we see in everyday development: not implementing a function, running an application, crashing. Now, let's...
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IOS Development: How to Make iOS Development Work
January 8, 2024
by Millie Forbes-Todd
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RunTime is a feature of Objective-C, in other words, because Objective-C is a dynamic language, and RunTime is its RunTime mechanism and so on and...
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Cocoapods -ybin binary source code mapping tutorial
January 8, 2024
by Tushar Chopra
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As the project business is constantly iterated and added, each line of business is responsible for different functional modules, and componentization is inevitably the work...
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Ios-runtime class_getInstanceMethod source code
January 8, 2024
by Craig Watts
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1. If the SEL cannot be found by the current class, it will be searched in the parent class
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OC basic principle 01: -alloc-&-init-&-new- source code analysis
January 8, 2024
by 馬宗翰
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That's what this quest is all about. What does alloc do? What does init do? In the calloc method, when we are not sure where...
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Startup Optimization of basic iOS principles (ii) : Binary rearrangement & Clang Piling
January 7, 2024
by Robert Martin
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This paper briefly introduces the concepts related to startup and some optimization schemes. In the future, this paper will introduce the optimization scheme of the...
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IOS UISlider custom gradient slider
January 7, 2024
by Francisco Martin
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1. Colors and locations 2. ColorHeight BorderWidth = borderColor; timeSpan = timeSpan; timeSpan = timeSpan; timeSpan = timeSpan; timeSpan = timeSpan; timeSpan = timeSpan; timeSpan...
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OC basic principle -02: OBJC4-781 – source code compilation -&- debugging
January 7, 2024
by 鞠龍
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CrashReporterClient: BuildSetting --> Other Linker Flags: CrashReporterClient. / xcodeBuild :1:1: SDK "Macosx. intern...
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IOS low-level exploration – class loading principle supplement, class extension and associated objects
January 7, 2024
by 周詩涵
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This is the 16th day of my participation in the August Text Challenge. In the method list, the array Pointers of the two classes of...
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Exploration of iOS automatic release pool
January 7, 2024
by Ms. Jacqueline Scott DVM
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The automatic releasepool is used to contain the code of the scope in the __AtAutoreleasePool constructor and destructor, and the atAutoReleasepoolobj object manages the scope's...
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The RunLoop concept of iOS
January 7, 2024
by Frankie Harris
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Running loops is part of the thread-related infrastructure. A * run loop * is an event processing loop that you use to schedule work and...
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Restart the ObjC auto release pool
January 7, 2024
by Andrew Morris
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The Objc Auto-release pool is rarely used explicitly, but it does its work for us all the time. Much has been written about the source...
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IOS development – Componentized Cocoapods private library details
January 7, 2024
by Amani Chander
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IOS developers use the Cocoapods package management tool to create detailed steps for the cocoapod private libraries
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[iOS features]- Life cycle
January 7, 2024
by Brooke Miller
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View life cycle Navigation controller life cycle of the view
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Objective-c: Write testable code
January 7, 2024
by 程雅萍
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In this article I'm going to use OCMock + XCTest as the basic framework for testing. If you don't have any knowledge of it, I'll...
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Writing High Quality Objective-C code for iOS (Part 1) — Introduction
January 7, 2024
by 欒俊傑
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There are currently two official languages being promoted for iOS development: Objective-C and Swift. Today, we'll help you become more familiar with Objective-C and talk...
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Objective – C: properties
January 7, 2024
by Sahil Sarma
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Properties are a new feature in Objective-C that encapsulates data in objects. There are two main concepts: IVAR (instance variable) and fetch method. Name is...
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OC Underlying principles -objc 818 (three) bits
January 7, 2024
by Julie Paton
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In the previous section, we looked at the objc_class structure and analyzed the isa and superclass capabilities. Let's take a look at the Objc_class structure...
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