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<!DOCTYPE html>
<html lang="default">
<!-- title -->
<!-- keywords -->
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<meta name="author" content="JonyFang">
<meta name="renderer" content="webkit">
<meta name="copyright" content="JonyFang">
<meta name="keywords" content="hexo,hexo-theme,hexo-blog">
<meta name="description" content="">
<meta property="og:type" content="website">
<meta property="og:title" content="Hexo">
<meta property="og:url" content="http://example.com/">
<meta property="og:site_name" content="Hexo">
<meta property="og:locale">
<meta property="article:author" content="JonyFang">
<meta name="twitter:card" content="summary">
<meta http-equiv="Cache-control" content="no-cache">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<link rel="icon" href="/assets/favicon.ico">
<title>JonyFang's Studio</title>
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*/ -->
<script>
(function (w) {
'use strict'
// rel=preload support test
if (!w.loadCSS) {
w.loadCSS = function () {}
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// define on the loadCSS obj
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rp.support = (function () {
var ret
try {
ret = w.document.createElement('link').relList.supports('preload')
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ret = false
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return function () {
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// if preload isn't supported, get an asynchronous load by using a non-matching media attribute
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function enableStylesheet() {
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link.rel = 'stylesheet'
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// bind listeners to toggle media back
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// commonjs
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<style type="text/css">
@font-face {
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body {
margin: 0;
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header,
footer,
.back-top,
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.toc-wrapper {
display: none;
}
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position: relative;
z-index: 3;
width: 100%;
/* height: 50vh; */
overflow: hidden;
}
.site-intro-placeholder {
position: absolute;
z-index: -2;
top: 0;
left: 0;
width: calc(100% + 300px);
height: 100%;
background: repeating-linear-gradient(-45deg, #444 0, #444 80px, #333 80px, #333 160px);
background-position: center center;
transform: translate3d(-226px, 0, 0);
animation: gradient-move 2.5s ease-out 0s infinite;
}
@keyframes gradient-move {
0% {
transform: translate3d(-226px, 0, 0);
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transform: translate3d(0, 0, 0);
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}
</style>
<link rel="preload" href="/css/style.css?v=20230211" as="style" onload="this.onload=null;this.rel='stylesheet'">
<link rel="preload" href="/css/dark.css?v=20230211" as="style">
<link rel="stylesheet" href="/css/dark.css">
<link rel="stylesheet" href="/css/mobile.css?v=20230211" media="(max-width: 960px)">
<link rel="preload" href="https://cdn.jsdelivr.net/npm/@fancyapps/[email protected]/dist/jquery.fancybox.min.css" as="style" onload="this.onload=null;this.rel='stylesheet'">
<link rel="preload" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/jquery.min.js" as="script">
<link rel="preload" href="/scripts/main.js?v=20230211" as="script">
<link rel="preload" href="/scripts/dark.js?v=20230211" as="script">
<link rel="preload" href="/font/Oswald-Regular.ttf" as="font" crossorigin>
<link rel="preload" href="https://at.alicdn.com/t/font_327081_1dta1rlogw17zaor.woff" as="font" crossorigin>
<!-- algolia -->
<!-- 百度统计 -->
<!-- 谷歌统计 -->
<meta name="generator" content="Hexo 6.3.0"><link rel="alternate" href="/atom.xml" title="Hexo" type="application/atom+xml">
</head>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/jquery.min.js"></script>
<script type="text/javascript">
if (typeof window.$ == undefined) {
console.warn('jquery load from jsdelivr failed, will load local script')
document.write('<script src="/lib/jquery.min.js" />')
}
</script>
<body class="home-body">
<!-- header -->
<header class="header header-mobile index-header">
<!-- top read progress line -->
<div class="header-element">
<div class="read-progress"></div>
</div>
<!-- sidebar menu button -->
<div class="header-element">
<div class="header-sidebar-menu">
<div style="padding-left: 1px;"></div>
</div>
</div>
<!-- header actions -->
<div class="header-actions">
<!-- theme mode switch button -->
<span class="header-theme-btn header-element">
<i class="fas fa-adjust"></i>
</span>
<!-- back to home page text -->
<span class="home-link header-element">
<a href=/>JonyFang's Studio.</a>
</span>
</div>
<!-- toggle banner for post layout -->
</header>
<!-- fixed footer -->
<footer class="footer-fixed index-footer-fixed">
<!-- back to top button -->
<div class="footer-fixed-element">
<div class="back-top back-top-hidden">
<div></div>
</div>
</div>
</footer>
<!-- wrapper -->
<div class="wrapper">
<div class="site-intro" style="
height:50vh;
">
<!-- 主页 -->
<!-- 文章页 -->
<div class="site-intro-placeholder"></div>
<div class="site-intro-img" style="background-image: url(/intro/index-bg.jpg)"></div>
<div class="site-intro-meta">
<!-- 标题 -->
<h1 class="intro-title">
<!-- 主页 -->
JonyFang's Studio.
<!-- 文章页 -->
</h1>
<!-- 副标题 -->
<p class="intro-subtitle">
<!-- 主页副标题 -->
Simplicity, is hidden complexity.
<!-- 文章页 -->
</p>
<!-- 文章页 meta -->
</div>
</div>
<script>
// get user agent
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return {
userAgent: u,
trident: u.indexOf('Trident') > -1, //IE内核
presto: u.indexOf('Presto') > -1, //opera内核
webKit: u.indexOf('AppleWebKit') > -1, //苹果、谷歌内核
gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //火狐内核
mobile: !!u.match(/AppleWebKit.*Mobile.*/), //是否为移动终端
ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
android: u.indexOf('Android') > -1 || u.indexOf('Linux') > -1, //android终端或者uc浏览器
iPhone: u.indexOf('iPhone') > -1 || u.indexOf('Mac') > -1, //是否为iPhone或者安卓QQ浏览器
iPad: u.indexOf('iPad') > -1, //是否为iPad
webApp: u.indexOf('Safari') == -1, //是否为web应用程序，没有头部与底部
weixin: u.indexOf('MicroMessenger') == -1, //是否为微信浏览器
uc: u.indexOf('UCBrowser') > -1, //是否为android下的UC浏览器
}
}
var browser = {
versions: getBrowserVersions(),
}
console.log('userAgent: ' + browser.versions.userAgent)
// callback
function fontLoaded() {
console.log('font loaded')
if (document.getElementsByClassName('site-intro-meta')) {
document
.getElementsByClassName('intro-title')[0]
.classList.add('intro-fade-in')
document
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.classList.add('intro-fade-in')
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}
}
// UC不支持跨域，所以直接显示
function asyncCb() {
if (browser.versions.uc) {
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} else {
WebFont.load({
custom: {
families: ['Oswald-Regular'],
},
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// 所有字体开始加载
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// 字体预加载失败，无效字体或浏览器不支持加载
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},
false
)
}
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'error',
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)
}
s.parentNode.insertBefore(o, s)
}
var asyncLoadWithFallBack = function (arr, success, reject) {
var currReject = function () {
reject()
arr.shift()
if (arr.length) async(arr[0], success, currReject)
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async(arr[0], success, currReject)
}
asyncLoadWithFallBack(
[
'https://cdn.jsdelivr.net/npm/[email protected]/webfontloader.min.js',
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"/lib/webfontloader.min.js",
],
asyncCb,
asyncErr
)
</script>
<img class="loading" src="/assets/loading.svg" style="display: block; margin: 6rem auto 0 auto; width: 6rem; height: 6rem;" />
<div class="container container-unloaded">
<main class="main index-page">
<article class="index-post">
<a class="abstract-title" href="/2020/06/28/2020-06-28-configure-and-link-appClips/">
<span class="abstract-title-text">WWDC20 10146 - App Clips 的配置及链接处理</span>
</a>
<div class="abstract-content">
<blockquote>
<p>视频链接: <a
href="https://developer.apple.com/videos/play/wwdc2020/10146/">WWDC 2020
- Configure and link your app clips</a>。</p>
</blockquote>
<p>本篇介绍了 <code>App Clips</code> 链接处理所需要知道的所有内容。
<code>App Clips</code>通过最简化的方式，为你的用户提供了一个体验应用程序的入口。当你的用户需要
App 的具体功能来处理某项操作时，<code>App Clips</code> 会通过
<code>deep-linked</code> 的方式无缝将 App
的具体模块呈现给用户。本篇会介绍 <code>App Clip</code>
内链接的处理和配置链接所需的操作。</p>
</div>
<!-- read more -->
<div class="abstract-read-more-button">
<a href="/2020/06/28/2020-06-28-configure-and-link-appClips/">
<span style="margin-right: 0.2rem;">阅读全文</span>
<i class="fas fa-angle-right"></i>
</a>
</div>
<div class="abstract-post-meta">
<!-- date -->
<div class="abstract-date" title="Last updated: 2020/06/28">
<span class="abstract-calander iconfont-archer"></span><span class="abstract-time">2020/06/28</span>
</div>
<!-- tags -->
<div class= abstract-tags >
<span class="post-category" data-categories="iOS/WWDC"">
<i class="fas fa-folder post-category-icon"></i>
<span class="post-category-text">
iOS/WWDC
</span>
</span>
<a class="post-tag" href="javascript:void(0);" data-tags="iOS">iOS</a>
<a class="post-tag" href="javascript:void(0);" data-tags="WWDC">WWDC</a>
<a class="post-tag" href="javascript:void(0);" data-tags="App Clips">App Clips</a>
</div>
</div>
</article>
<div class="index-post-divider"></div>
<article class="index-post">
<a class="abstract-title" href="/2020/04/08/2020-04-08-about-ram/">
<span class="abstract-title-text">iOS 内存相关梳理</span>
</a>
<div class="abstract-content">
<p>iOS 的内核是 XNU，XNU 是 Darwin 的一部分，而 Darwin 又是基于 FreeBSD
和 NetBSD 开发，集成了 Mach 微内核，BSD 是基于 UNIX。虽然 Linux 也是基于
UNIX，但 Darwin 和 Linux 没有直接继承的关系。内核 Darwin 是 C
写的，中层框架和库时 C 和 Objective-C 写的。</p>
<p>本文先从一般桌面操作系统的内存机制入手；接着从 iOS 系统层进行分析 iOS
的内存机制及 iOS 系统运行时的内存占用情况；最后到 iOS 中单个 App
的内存管理。</p>
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iOS
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<a class="post-tag" href="javascript:void(0);" data-tags="iOS">iOS</a>
<a class="post-tag" href="javascript:void(0);" data-tags="基础">基础</a>
</div>
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<article class="index-post">
<a class="abstract-title" href="/2019/12/15/2019-12-15-ios-speed/">
<span class="abstract-title-text">iOS 启动速度优化调研</span>
</a>
<div class="abstract-content">
<p>本篇主要是对应用启动时间优化的梳理。</p>
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<span class="post-category" data-categories="iOS"">
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iOS
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</div>
</article>
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<article class="index-post">
<a class="abstract-title" href="/2019/11/10/2019-11-10-ios-ipa/">
<span class="abstract-title-text">iOS IPA 包体积优化</span>
</a>
<div class="abstract-content">
<p>记录 IPA 包体积优化过程中的一些思路。</p>
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iOS/优化相关
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<article class="index-post">
<a class="abstract-title" href="/2019/11/07/2019-11-07-yytext/">
<span class="abstract-title-text">YYText 中的 CoreText</span>
</a>
<div class="abstract-content">
<p>富文本框架里<a
href="https://github.com/ibireme/YYText">YYText</a>在性能方面的表现很出色，它基于
CoreText 做了大量基础处理并实现了两个上层视图组件：YYLabel 和
YYTextView。在了解富文本处理之前，我们还需要对 CoreText
基础知识做一些了解。本篇主要梳理 YYText 中 CoreText
的底层基础部分处理。</p>
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iOS/源码阅读
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<article class="index-post">
<a class="abstract-title" href="/2019/09/14/2019-09-14-ios-analyse-llvm/">
<span class="abstract-title-text">iOS 编译过程梳理</span>
</a>
<div class="abstract-content">
<p>iOS 开发常用的语言是 Objective-C 和
Swift，两者都是编译语言。编译语言在执行的时候，必须先通过编译器生成机器码，机器码可以直接在
CPU 上执行，所以执行效率很高。本篇主要用于梳理 Objective-C
的编译过程。</p>
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iOS/编译原理/技术
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<a class="post-tag" href="javascript:void(0);" data-tags="编译原理">编译原理</a>
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<a class="abstract-title" href="/2019/07/01/2019-07-01-ios-js-native/">
<span class="abstract-title-text">iOS 中 JS 与原生交互</span>
</a>
<div class="abstract-content">
<p>本篇用于梳理 WKWebView 中 JS 与原生的交互，及 JavaScriptCore
框架在交互过程中起的作用。</p>
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<a class="abstract-title" href="/2018/07/11/2018-07-11-osspinlock-to-osUnfairLock/">
<span class="abstract-title-text">OSSpinLock 与 os_unfair_lock</span>
</a>
<div class="abstract-content">
<p>OSSpinLock 因为线程安全问题已被 Apple 废弃。苹果建议使用
<code>os_unfair_lock</code> 替换，<code>os_unfair_lock</code>
是互斥锁。</p>
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<a class="abstract-title" href="/2018/06/14/2018-06-14-ios-runloop/">
<span class="abstract-title-text">RunLoop 梳理</span>
</a>
<div class="abstract-content">
<p>RunLoop 是 iOS 比较的核心之一，本篇用于梳理 RunLoop
相关的概念和底层实现。</p>
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<a class="post-tag" href="javascript:void(0);" data-tags="底层原理">底层原理</a>
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