Category: ios

ios

Swift statement reference! (Essential knowledge points for Dafang)

December 18, 2023

by Emily Smith

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In Swift, there are two types of statements: simple statements and control-flow statements. Simple statements are the most common and are used to construct expressions...

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ios

Swift Advanced Sideshow 2: Value types

December 18, 2023

by Jared Finley

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In order to better understand the value type, first understand the memory partition model, in iOS, memory is mainly divided into stack area, heap area,...

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ios

14 — ARKit by Tutorials 1: Get started

December 18, 2023

by 楊婷婷

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Xcode has integrated the AR project creation portal, you can directly create an AR project with a small plane. Properties: The Properties of the class....

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ios

[ARKit]3- Apple’s official AR Chameleon Demo interpretation

December 18, 2023

by Samantha Cragg

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How to place an interactive CG object (a chameleon) and interact with it. How to trigger and control animations of objects based on the user's...

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ios

IOS video editing from design to implementation – directory description and basic overview

December 18, 2023

by David Patterson

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Some time ago, I needed to do a module of video editing. At that time, I didn't know much about video editing. I took many...

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ios

Read on to see what the Swift announcement can do for iOS developers!

December 18, 2023

by Tushar Chopra

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A declaration can introduce new names and constructs into your program. For example, you can use declarations to introduce functions and methods, variables and constants,...

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ios

16 — ARKit by Tutorials 3: Interactivity

December 18, 2023

by Prerak Thakkar

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ARKit by Tutorials talks about a special way that image recognition triggers AR scene interaction: using the Vision Framework to identify some objects and then...

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ios

GCD for iOS Multithreading

December 18, 2023

by Bradley Jackson

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There are only two steps to use GCD: create a queue (serial queue or concurrent queue); The task is appended to the waiting queue of...

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ios

Swift’s latest type reference!

December 18, 2023

by Nakul Sarin

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The Swift language has two types: named types and compound types. A named type is a type that can be defined with a name. Named...

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ios

(oC 篇)

December 18, 2023

by Jessica Daniels

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Xcode can recognize the following extension files:.m files, which can write OC and C language code. CPP: only recognize C++ or C language (C++ compatible...

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ios

IOS Interview question: Understanding Runtime

December 18, 2023

by 李雅玲

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Any code we write will be converted to Runtime C code for execution as the program runs, such as [target doSomething]; Will be converted to...

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ios

Create a portal App in ARKit: Ready to go

December 18, 2023

by 梁淑慧

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Through this series of tutorials, you will implement a portal application using ARKit and SceneKit. Spatial-temporal apps can be used for educational purposes, such as...

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ios

IOS Multi-threading concept review

December 18, 2023

by Aaryahi Babu

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Thread and process Thread is the smallest unit to perform operations in the process, is an entity in the process, is the basic unit that...

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ios

[iOS Low-level lab] Assignment and release of associated objects

December 18, 2023

by Tara Ramirez

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Adding associated objects to categories is common, but do you really know anything about associated objects? Do you know how it's set up and released?

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ios

Here are some classic iOS interview questions

December 18, 2023

by Jivin Dasgupta

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2. IOS developers direction 3.INTERVIEW QUESTION 1. Deep copy and shallow copy Shallow copy: 1. Copy memory addresses, so that the target object pointer points...

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ios

Automatically release the pool AutoreleasePool

December 18, 2023

by Lesley Hargreaves

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What is an AutoreleasePool? An AutoreleasePool is an automatic memory collection mechanism in OC that delays the release of variables added to the AutoreleasePool. In...

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ios

KVO for iOS (3) – Custom KVO

December 18, 2023

by Maria Harvey

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In the previous two posts, we have introduced the operation of 'KVO', and the underlying logic of 'KVO' is implemented by dynamically subclassing and overriding...

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ios

Cache_t analysis for the iOS class

December 18, 2023

by Susan Day

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Start with a good study, not anxious not impatient. The first article: The principles of iOS class analysis (2) describes the principles of the class,...

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ios

Exploring the underlying principles of iOS: GCD functions and queues

December 18, 2023

by James Brown

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The Grand Central Dispatch (GCD) Dispatch queue is a powerful tool for performing tasks. Scheduling queues allow you to execute arbitrary blocks of code asynchronously...

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ios

Understand Autoreleasepool in terms of data structures

December 18, 2023

by Nakul Mammen

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NSAutoreleasePool is actually an object reference counting handler that uses reference counting methods to manage object survival. When the object is created, the reference count...

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ios

The difference between iOS static library and dynamic library and packaging

December 18, 2023

by Kay Waters

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This article is to record the packaging process of static library and dynamic library under iOS, so as to quickly check when using in the...

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ios

Record the Flutter environment build on MAC

December 18, 2023

by Tara Ramirez

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Building the Flutter environment on a MAC is a brief record of building the Flutter environment on a MAC, macOS Catalina version 10.15.6

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ios

Why does Swift say it is secure?

December 18, 2023

by 葛雅琪

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Those of you who know Swift well know that security is a top priority when Apple promotes Swift. But where does Swift's security lie? The...

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ios

Metal Rendering Pipeline tutorial

December 18, 2023

by Kaitlyn Bowden-Larsen

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This is an excerpt from chapter 3 of our book Metal by Tutorials. This book will introduce you to graphic programming in Metal, Apple's GPU...

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ios

Advanced Talk about Swift 3: Reference Types

December 18, 2023

by 周詩涵

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As can be seen from the printed results, if the instance object properties in T1 are modified, the instance object properties in T will change....

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ios

17 — ARKit by Tutorials 4: Facial recognition AR

December 18, 2023

by Leonard Walters

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When ARKit detects a face, it adds an ARFaceAnchor to the scene, which we can use for location and tracking. This method can be called...

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ios

Exploring the underlying principles of iOS multithreading | more challenging in August

December 18, 2023

by Christopher Marsh

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With the more and more complex business logic in the actual development, more and more heavy tasks need to be completed, the application of multithreading...

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ios

Data structure and algorithm eight: 2) sorting algorithm – Hill sort

December 18, 2023

by Aaryahi Babu

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This is I participate in August more text challenge on the 7th day to pay attention to me, the following contents continue to update the...

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ios

Swift Advanced Sideshow 1: Attributes

December 18, 2023

by 曾哲瑋

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Attribute store attributes (either constant (let) store attributes or variable (var) store attributes). For age and name above, these are our variable store attributes, which...

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ios

IOS Interview question: Understanding blocks

December 18, 2023

by John Taylor

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1. What is block? Blocks, much like swift closures, are often used for value callbacks, especially in multithreaded network request callbacks. Where closures are functions...

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