Category: ios

ios

S02E17: The barycentric coordinates of any point on the triangle

December 18, 2023

by Roger Watson

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Each component of the barycentric coordinate represents the area ratio of the smaller triangle that is formed by dividing the triangle at that point. For...

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ios

IOS – Underlying principle 27: GCD NSThread & GCD & NSOperation

December 18, 2023

by Anya Dass

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The main purpose of this article is to introduce the common usage modes of NSThread, GCD, and NSOperation. NSthreadNSthread is an object-oriented thread operation technology...

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ios

[ARKit]5- Load custom geometry

December 18, 2023

by Kiara Jani

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Create Source 2. Create Element Note that cubeSolidIndices() returns type [UInt8](UInt32/GLuint, but not Int). Accordingly,bytesPerIndex should be MemoryLayout<UInt8>.size. 3. Create a G...

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ios

IOS – Set the rotation direction of the app screen and disable landscape screen

December 18, 2023

by 王佩君

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Recently, when I wrote the UI of the software, I found that the rotation of the screen would affect the display of the layout. Due...

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ios

IOS Enhanced 1.2- Multi-environment configuration

December 18, 2023

by Natalie Gonzalez

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Project: Contains all the code, resource files, and information for the Project. Target: Specifies how the code and resource files are built. Scheme: specifies the...

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ios

Principle Analysis of iOS Class (2)

December 18, 2023

by 余志豪

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Study hard, don't be impatient, make progress a little bit every day; In the last article, we analyzed some of the principles of classes, learned...

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ios

IOS low-level – Alloc principle

December 18, 2023

by Tushar Sunder

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We all know that iOS uses alloc to create memory space, but we don't know much about how it works. Let's explore the underlying principles...

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ios

WWDC- Runtime optimization

December 18, 2023

by Debra Hill

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Wwdc-2020 proposed this optimization, you can watch the video below: About Runtime improvements.

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ios

Ios-underlying Principle 36: Memory optimization (1) Wild pointer detection

December 18, 2023

by Vanya Ramanathan

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This paper mainly explains the principle and implementation technology of two kinds of wild pointer detection: wild pointer detection. The main purpose of this paper...

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ios

If you were born yu, who was born bright? Confusion over apple’s ARKit and RealityKit

December 18, 2023

by Dr. Charlie Black

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Apple has been making continuous efforts in the direction of AR. In 2017, It launched ARKit, and in 2019, it launched RealityKit and Reality Composer...

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ios

In-depth understanding of iOS memory management

December 18, 2023

by Anya Dass

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This article explores the naming rules for memory management in iOS, the implementation mechanism for reference counting, and the internal implementation of weak. Memory Management...

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ios

IOS – Underlying Principles 03: Compile & debug objC4-781 source code

December 18, 2023

by 林宜君

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This paper is mainly through the successful compilation of objC4-781 source code, and then debugging in the source code, easy to track the method of...

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ios

Create a space-time gate App in ARKit: Textures and lighting

December 18, 2023

by Maia Stone

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Create walls, ceilings and roofs and adjust their position and orientation. Different textures were used to make the interior of the portal more realistic. Add...

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ios

IOS bottom principle 18: OC bottom level test questions share

December 18, 2023

by 徐柏翰

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This is the seventh day of my participation in the August Challenge. For details of the activity, see: How to call the load and initialize...

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ios

Ios-underlying principles 22: Underlying principles of KVC

December 18, 2023

by 方淑慧

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Key-value Coding is a mechanism enabled by the NSKeyValueCoding informal protocol, which is used by an object to indirectly access its attributes. You can either...

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ios

OC underlying principle 13- application under load

December 18, 2023

by Sara Leach

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In the previous article, we did not analyze the method _dyLD LD_OBJC_notify_register in detail. In this section, we mainly analyze the process. 1

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ios

PipelineOwner of the Flutter Framework

December 18, 2023

by Catherine Mann

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This article is the sixth in the "Flutter Framework" series, PipelineOwner helps with RenderObject Tree, RendererBinding and Window in Rendering Pipeline.

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ios

IOS Low-level – Low-level principles of classes (1)

December 18, 2023

by 徐建宏

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Usually when you create an object, you inherit from NSObject to create a new class, so who does NSObject inherit from? Or what is the...

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ios

Flutter – Life cycle

December 18, 2023

by Antonio Robertson PhD

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StatefulWidget needs State objects to handle user interactions or changes to their internal data at certain stages and to be reflected in the UI. This...

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ios

IOS Reverse 03: Loop Selection Pointer (1)

December 18, 2023

by Dishani Gandhi

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The main purpose of this article is to understand the storage of global variables and constants in assembly, and how to restore assembly code such...

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ios

Data structure and algorithm eight: 3) sorting algorithm – bubble sort

December 18, 2023

by Iain Allen

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This is I participate in the 8th day of the challenge to pay attention to me, the following contents continue to update the data structure...

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ios

18- ARKit by Tutorials 5: Special physics

December 18, 2023

by Patricia Parsons

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Note that the wheels are attached to the real Axle by a Axle. SCNPhysicsVehicle: Makes a standard physical vehicle behave like a car. SCNPhysicsBody: The...

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ios

Install WebDriverAgent on iOS

December 18, 2023

by Dennis Gray

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Background When you do iOS automated testing, you usually need to make sure that the WebDriverAgent application has been installed on your mobile phone. This...

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ios

Summary of iOS wild pointer positioning

December 18, 2023

by 王佳慧

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A wild pointer is a pointer to a deleted object or restricted memory region. When we write C++, we emphasize that the pointer is initialized...

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ios

IOS source code compilation and debugging

December 18, 2023

by Karen Roman

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Ios_objc4-818.2 Preparations for compiling and debugging the latest source code Xcode 12.4 Download the objC source code. Open the downloaded source code

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ios

Ios-underlying principle 13: Slow search for message flow analysis

December 18, 2023

by Ivana Behl

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In the previous iOS- Underlying Principle 12: Quick Search for Message Flow Analysis article, we analyzed the fast search process, if the fast search can...

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ios

IOS Low-level – Low-level principles of classes (2)

December 18, 2023

by Julia Stephenson

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Following an exploration of the underlying principles of classes (I), you have understood the STRUCTURE of ISA Pointers and classes. Let's continue to explore the...

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ios

Hand in hand with you, optimize a smooth scrolling TableView

December 18, 2023

by Bruce Moreno

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When reading news every day, I will feel that the app of news is still very good. When the Cell of TableView scrolls, it will...

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ios

Underlying principle of iOS 11: Message forwarding

December 18, 2023

by Rita Dunn

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Forward to introduce instrumentObjcMessageSends method is used in the previous article we introduced the method resolution ways to deal with the method to realize not...

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ios

IOS View top app: Adapted for date controls on iOS12 that are blocked by filtered views

December 18, 2023

by 馬柏翰

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This article uses pod 'PGDatePicker','2.6.9'· as an example problem: The date view on iOS12 is blocked by filter view idea: Use the runtime API to...

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