Category: ios

ios

Existing iOS engineering integrates React Native

December 19, 2023

by Vanessa Johnson

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Existing iOS projects integrate with the general framework of RN support, iOS applications integrate with RN's SDK, and load pre-packaged JSBundles at runtime. The main...

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ios

Flutter Mixed Development — iOS

December 19, 2023

by Carly Phillips

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In many cases it is not realistic to write an entire project with a Flutter. For example, the company already has a mature App product,...

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ios

Quality control – Caton test

December 19, 2023

by Alexis Lewis

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Whether it's an app that turns into a slide in seconds or gets killed when it starts too long, it's basically an experience developers must...

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ios

Oc Object memory alignment principle

December 19, 2023

by Patricia Russell

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An object is the memory that is allocated by calling calloc(1,size) at the bottom of alloc, which corresponds to calloc which corresponds to malloc so...

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ios

Swift Note 1: Source code compilation (5.3.1)

December 19, 2023

by Ralph Ball

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2. Enter swift-source directory and run update-checkout 3. 4. Use VSCode to debug Swift source code to show hidden files.

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ios

OC underlying principle 19-KVC

December 19, 2023

by Anna Raymond

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KVC, also known as key-value Coding, is a common technology in iOS development. It is believed that many developers have used KVC. The two main...

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ios

Add a Block(closure) feature to the KVO functionality of the system

December 19, 2023

by Kismat Kant

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OC provides users with a set of observer modes (KVO). When certain properties of an object change, messages are broadcast to all observers. The basic...

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ios

Introduction to Multithreading

December 19, 2023

by Melissa Jensen-Evans

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Thread and process The definition of threads and processes The relationship between processes and threads The meaning of Multi-threading Principle The concept of time slice:...

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ios

IOS Reverse 10: App Re-signature (2)

December 19, 2023

by Angela Farland

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This is the third day of my participation in the August More text Challenge. See details: August more text Challenge This article mainly introduces the...

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ios

OC Low-level – Deep understanding of blocks

December 19, 2023

by Mrs. Marie Gardner

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Conclusion: There is an ISA pointer inside the block, which is essentially an OC object that encapsulates the function call and the function call environment....

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ios

Use of iOS WKWebView

December 19, 2023

by Hrishita Koshy

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• WKScriptMessageHandler: This protocol class is designed to handle listening to JavaScript methods to call native OC methods. It is used in conjunction with WKUserContentController....

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ios

The Nature of the Runimte Runtime & Methods

December 19, 2023

by Anne Atkins

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This is the sixth day of my participation in the August Challenge. For details, see: When to insert in the August Challenge. Let's search ->insert...

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ios

Multithreaded – Lock

December 19, 2023

by Caitlin Taylor DDS

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This section describes OSSpinLock (atomic) mutex (@synchronized NSLock pthread_mutex) conditional lock (NSCond)

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ios

RunLoop Summary: RunLoop application scenarios (5) Prevent the App from crashing once

December 19, 2023

by Ryan Hodson

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The RunLoop application scenario I'm going to show you today is pretty cool, and we probably don't use it very often, but we probably do...

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ios

Off-screen rendering for iOS

December 19, 2023

by Miss Elaine Powell

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OpenGL ES is a multifunctional open standard c-based graphics library for embedded systems for visualization of 2D and 3D data. OpenGL is designed to transform...

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ios

PaintingContext of the Flutter Framework

December 19, 2023

by Kelly Watts-Jackson

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This article is the fourth in the "Flutter Framework in Less complicated" series. The main purpose of this article is to prepare for the introduction...

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ios

IOS Low-level -objc_msgSend Slow search

December 19, 2023

by Amber Hampton

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The previous part of objc_msgSend Quick Lookup analyzes the fast lookup process. If the fast lookup fails, you need to go to the __objc_msgSend_uncached slow...

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ios

Ios-underlying principle 29: Principle of locking

December 19, 2023

by Susan Baxter

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This article mainly introduces the common locks and the underlying analysis locks of synchronized, NSLock, recursive lock, and conditional lock

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ios

MethodSwizzing swap pit | damage enemy 1000 and damage self 800

December 19, 2023

by Andrew Sutton

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MethodSwizzing method swapping is more commonly known as dark magic. However, just like the unique martial arts in wuxia novels, there are also cases where...

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ios

IOS interface rendering and Optimization (iii) – image optimization in rendering

December 19, 2023

by Grace Allen

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Rendering content in iOS, mainly about UIImageView rendering image, common image optimization in development, and tips on optimization

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ios

Read fishhook principle

December 19, 2023

by James Tucker

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Fishhook is facebook's open source third-party framework. Hook, hook, hook, hook, hook, hook, hook, hook, hook, hook, hook In the computer, you can hook a...

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ios

IOS – Underlying Principle 04: Alloc source analysis of NSObject

December 19, 2023

by Jeremy Ward

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The alloc in primary NSObject is different from the source flow of the custom class alloc, and why the alloc in NSObject is not a...

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ios

OC Underlying Principles 08- objc_msgSend

December 19, 2023

by Brittany Robinson

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In the last section we explored objc_msgSend and went to the CacheLookup process through assembly. Now let's look at CacheLookup. CacheLookup NORMAL,_objc_msgSen

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ios

IOS – Underlying principle 19: Exploring the underlying principles of class extension and associated objects

December 19, 2023

by Anya Ratti

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Class extension is used to add new methods to a class. It is used to add member attributes to a class. It is used to...

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ios

IOS Low-level learning – GCD function and queue principle exploration

December 19, 2023

by Brittany Smith

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What is GCD, what is the task, the difference between serial queue and concurrent queue, synchronous function and asynchronous function, the use of queue and...

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ios

IOS Performance optimization – Tools for Instruments Time Profiler

December 19, 2023

by Lauren Short

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Time Profile The time profile tool is used to detect application CPU usage and can see that various methods in the application are consuming CPU...

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ios

Internal implementation of the FRAME property in UIView

December 19, 2023

by Susan Jones

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The property in UIView that represents the position and size of the view displayed in the superview is frame. The system also provides two other...

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ios

IOS – Add new fonts manually

December 19, 2023

by 張婷婷

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I recently found that the default font in a diary application was too ugly, so I had the idea to change the font. Complete the...

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ios

[OC low-level]LLVM optimization of alloc

December 19, 2023

by 王婷婷

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From the comments above, I guess SEL and IMP are exchanged? First we go to the loading map of the class and we find the...

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ios

Remember static to help me solve the problem

December 19, 2023

by 劉家瑜

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This is the 8th day of my participation in the August Challenge. Check the details of the activity: In the business logic of the project,...

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