Preface The first post of the 2018 new year. Let me sort out the Category of AVAudioSession to solve the various audio development problems where playback gets interrupted or there is no sound on...

Preface Time spins like a wheel History flows like a river A full 365 days of wind and rain 2017 was anything but ordinary Through spring, summer, autumn and winter; through rain, snow, wind a...

Preface I like to play a piece of background music when a blog post opens, but Markdown itself doesn’t support inserting audio or video. That question prompted this article. Inserting Music in Ma...

Preface Recently I’ve been developing multimedia audio/video related features. I’ll record all the problems I encountered here. Below is an example provided by a colleague that I organized, as a...

Preface I haven’t updated my blog for over a month — I’ve been way too busy. This post is about how to correctly add KVO observation to a UICollectionViewCell. Opening Since I’m currently deve...

Preface During development, although UI work may seem to lack technical depth, sometimes you still need to create special transition effects. This tutorial references UIPresentationController Tuto...

Preface These past few days the internet has been heavily regulated due to the ongoing national congress, which made my VPN proxy unreliable. Just then, OneV’s Den published a post about the cl...

Preface Recently I’ve been studying OpenGL ES and GPU-related topics, and I found this article to be a valuable introductory reference. Understanding UIView drawing — how does a UIView get disp...

Preface In iOS 11, Apple made a change that drew the attention of many developers Unique identifiers such as UDID stored in the system keychain are deleted when the app is uninstalled This iss...

Preface I used to always fail to insert tables in markdown. This post shares how to insert tables in markdown. demo: Plain style | 一个普通标题 | 一个普通标题 | 一个普通标题 | | ------| ------ | ------ | |...