Talk about Apple’s iBeacon technology
It was my 13th day of the August challenge, and I read online that apple was announcing new features for iOS7 at WWDC 13. Before,...
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Tag: objective-c
OC Bottom learning – Exploring the bottom structure of classes
December 19, 2023
by Brent Cook-McMahon
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It doesn't matter how slowly you learn, as long as you're not marking time, that's progress! In the previous chapter, we explored the nature of...
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OC Underlying principles – basic examples of GCD
December 19, 2023
by William Gray
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1. The main queue runs synchronously and prints the result 2. The main queue runs asynchronously to print result three. The global queue runs synchronously...
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Implement a lightweight MVVM framework
December 19, 2023
by Gerard Sharp
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In client development projects, MVC is still the mainstream architecture, but MVC also has obvious disadvantages: Controller as a mediator often needs to bear a...
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Multithreading in iOS (4) – GCD queues
December 19, 2023
by Andrew Sutton
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This is my 12th day of the August Challenge. In my last post, I introduced the queues and functions of the GCD, and we had...
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IOS – Explore KVO | intermediate class with ISA transforms
December 19, 2023
by Samarth Sant
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In the process of using KVO, the intermediate class is generated dynamically. The intermediate class and this class are inherited, and some methods of this...
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Runtime Source code Interpretation 6 (Classification)
December 19, 2023
by Neelofar Roy
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This article describes the implementation of categories and the loading process of categories. Classification is an extension of objective-C classes. When it comes to classification,...
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Runtime Source Code Interpretation 7 (Delving into object-oriented implementation details)
December 19, 2023
by Emily Smith
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In the previous six articles, you introduced the implementation of objective-C classes and objects by analyzing runtime source code. This article mainly discusses the following...
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That’s all you need to know for an iOS development interview! (Multithreaded)
December 19, 2023
by Nicole Jones
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Here is big xin, this article is mainly to organize and explain multi-threaded related interview questions, what questions and new ideas are welcome to put...
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[iOS development] attribute keyword
December 19, 2023
by Keith Mason
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@property @property can automatically generate the setter and getter for a member variable == method declaration == @synthesize and the keyword will specify a member...
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IOS Underlying principle 22: Multithreading
December 19, 2023
by Jessica Johnson
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Process and Thread Definition process and thread A process is an application that is running in the system. Each process is independent of each other,...
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Debugging the iOS user interaction event response process
December 19, 2023
by Ms. Jacqueline Scott DVM
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A variety of user interaction events are typically handled in iOS interface development. The UIControlEvent is bound to the control as a registered target-action. UIGestureRecognizer...
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Dyld Loading process (part 1)
December 19, 2023
by Josephine Evans-Phillips
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This is the 11th day of my participation in the August More Text Challenge. For details, see: August More Text Challenge 1. Every program relies...
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Runtime source code reading 5 (properties)
December 19, 2023
by Daniel Walters
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A property is a public accessor for a class's member variables. Properties are closely related to methods, with getters and setters corresponding to read-write properties....
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Multithreading in iOS (Part 2) — Threads and locks
December 19, 2023
by 蔡馨儀
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In the last post, we had a first look at processes and threads, so this post will continue to talk about multithreading, including types of...
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[iOS development] Runloop
December 19, 2023
by Jill Singh
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What is a RunLoop? So what's a RunLoop? The reason an iOS App keeps responding, keeps running, is because it has an Event Loop, which...
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【OC bottom 】 Underlying principle of alloc
December 19, 2023
by Rita Dunn
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Pre ObjC4-824 asks the question first of all we have the following code and according to the print we can see that the memory address...
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Runtime Source code Interpretation 2 (Classes and Objects)
December 19, 2023
by Sarah Green
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In reading the Runtime source code (a preliminary approach to implementing object Orientation), you get an overview of Runtime as a whole from the data...
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OC class loading principle (2)
December 19, 2023
by Lindsay Benson
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The loading principle of OC Class (middle), the underlying principle of iOS, has analyzed the loading of classes, explored the different processes of lazy loading...
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Runtime source code interpretation (object Oriented Implementation)
December 19, 2023
by Andrew Morris
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The article begins with Apple Documentation's definition of Runtime, which is both official and abstract. Personal understanding of Runtime is: in the narrow sense, Runtime...
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IOS Low-level Exploration – Runtime- Message forwarding
December 19, 2023
by Robert Scott
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This is my participation more article challenges the 10th day of August, activity details view: August more challenges Said to instrumentObjcMessageSends, so this method is...
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OC underlying principles 24-GCD analysis
December 19, 2023
by Ishita Batta
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The above code is printed in order A because serial queue is equivalent to turning asynchrony into synchronism execute dqF_width = 1 in order to...
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RunLoop responds to events
December 19, 2023
by Sonya Reynolds
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In the previous article, Debugging iOS User Interaction Event Response Process, the whole process of iOS event response was debugged, but only the implementation details...
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[iOS development] Weak underlying principles
December 19, 2023
by Dharmajan Srinivas
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@[toc] Retain, release review we in the Strong implementation; So now that we've seen the source code of Retain and Release let me just throw...
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Runtimeobjc_msgsend process Analysis – Slow lookup process (part 2)
December 19, 2023
by Olivia Smith
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If all parent classes are found and no method is found, imp will be set to forward_IMP, and then im will be returned
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Multithreading in iOS (3) — Introduction to GCD
December 19, 2023
by 蔡馨儀
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In the last two posts, we have introduced processes and threads, and we have also introduced spinlocks and mutex, etc. In iOS development, GCD is...
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IOS low-level – Destroy a singleton
December 19, 2023
by 閻家瑋
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This is the 11th day of my participation in the August Challenge. Check out the details: The August Challenge singleton, one of the most frequently...
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Runtimeobjc_msgsend process Analysis – Slow lookup process (part 1)
December 19, 2023
by Gerald Watkins
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This is the 8th day of my August Challenge, and the details are as follows: Explore objc_msgSend in the real machine of code Analysis. Recreate...
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The essence of the category
December 19, 2023
by Onkar Gour
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The underlying structure of a category: it is actually a cateagory_t structure, which contains name, class, object method list, class method list, property list, protocol...
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Structure in vivo alignment principle
December 19, 2023
by Nitara Kalla
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Question: Do the following two structures occupy the same amount of memory, only with different member locations? The memory alignments of memory alignments of memory...
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