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KVO

2 views collected around this technical thread.

Sohu Tech Products
Sohu Tech Products
Nov 17, 2021 · Mobile Development

KVO Mechanism Analysis for iOS Development

This article provides a comprehensive analysis of iOS's Key-Value Observing (KVO) mechanism, covering its fundamentals, registration and observation steps, underlying isa‑swizzling implementation, usage patterns, common pitfalls, debugging techniques, and alternative solutions such as custom KVO implementations and the KVOController library.

KVOKey-Value ObservingMobile Development
0 likes · 19 min read
KVO Mechanism Analysis for iOS Development
Sohu Tech Products
Sohu Tech Products
May 26, 2021 · Mobile Development

Understanding MVC and MVVM Patterns in iOS Development

This article provides a comprehensive guide to the MVC and MVVM architectural patterns for iOS, explaining their components, interactions, KVO usage, and includes complete Objective‑C code examples that demonstrate how to implement both patterns in a real‑world news‑list app.

Design PatternsKVOMVC
0 likes · 37 min read
Understanding MVC and MVVM Patterns in iOS Development
JD Retail Technology
JD Retail Technology
Jun 23, 2020 · Mobile Development

Understanding and Implementing Key-Value Observing (KVO) in iOS

This article explains what Key-Value Observing (KVO) is, how to use it in iOS development, and the runtime mechanisms—such as isa‑swizzling and dynamic subclass creation—that enable automatic property change notifications, while also showing how to build a custom KVO system.

KVOMobile DevelopmentObjective-C
0 likes · 7 min read
Understanding and Implementing Key-Value Observing (KVO) in iOS
360 Tech Engineering
360 Tech Engineering
Jul 1, 2019 · Mobile Development

QDAS-APM: 360’s iOS Mobile Performance Monitoring Solution

This article introduces 360’s iOS mobile performance monitoring solution, QDAS‑APM, detailing its background, monitored metrics such as page rendering time, main‑thread stalls, network errors, FPS, CPU, memory, crash and startup duration, and explains implementation techniques using KVO, runtime class traversal, and code snippets.

KVOMobile DevelopmentNetwork Monitoring
0 likes · 12 min read
QDAS-APM: 360’s iOS Mobile Performance Monitoring Solution