代码拉取完成，页面将自动刷新
<!doctype html>
<html class="no-js" lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>
iOS - kaelinda
</title>
<link href="atom.xml" rel="alternate" title="kaelinda" type="application/atom+xml">
<link rel="stylesheet" href="asset/css/foundation.min.css" />
<link rel="stylesheet" href="asset/css/docs.css" />
<script src="asset/js/vendor/modernizr.js"></script>
<script src="asset/js/vendor/jquery.js"></script>
<script src="asset/highlightjs/highlight.pack.js"></script>
<link href="asset/highlightjs/styles/github.css" media="screen, projection" rel="stylesheet" type="text/css">
<script>hljs.initHighlightingOnLoad();</script>
<script type="text/javascript">
function before_search(){
var searchVal = 'site:kaelinda.top ' + document.getElementById('search_input').value;
document.getElementById('search_q').value = searchVal;
return true;
}
</script>
</head>
<body class="antialiased hide-extras">
<div class="marketing off-canvas-wrap" data-offcanvas>
<div class="inner-wrap">
<nav class="top-bar docs-bar hide-for-small" data-topbar>
<section class="top-bar-section">
<div class="row">
<div style="position: relative;width:100%;"><div style="position: absolute; width:100%;">
<ul id="main-menu" class="left">
<li id=""><a target="_self" href="index.html">最近更新</a></li>
<li id=""><a target="_self" href="archives.html">归档目录</a></li>
<li id="ios.css"><a target="_self" href="ios.html">iOS</a></li>
<li id="swift.css"><a target="_self" href="swift.html">Swift</a></li>
<li id="reactnative.css"><a target="_self" href="reactnative.html">RN</a></li>
<li id="js.css"><a target="_self" href="js.html">JS</a></li>
<li id="shell.css"><a target="_self" href="shell.html">shell</a></li>
<li id="coding.css"><a target="_self" href="coding.html">编程</a></li>
<li id="live.css"><a target="_self" href="live.html">随笔</a></li>
<li id="app.css"><a target="_blank" href="app.html">APP推荐</a></li>
</ul>
<ul class="right" id="search-wrap">
<li>
<form target="_blank" onsubmit="return before_search();" action="http://google.com/search" method="get">
<input type="hidden" id="search_q" name="q" value="" />
<input tabindex="1" type="search" id="search_input" placeholder="Search"/>
</form>
</li>
</ul>
</div></div>
</div>
</section>
</nav>
<nav class="tab-bar show-for-small">
<a href="javascript:void(0)" class="left-off-canvas-toggle menu-icon">
<span> kaelinda</span>
</a>
</nav>
<aside class="left-off-canvas-menu">
<ul class="off-canvas-list">
<li><a target="_self" href="index.html">最近更新</a></li>
<li><a target="_self" href="archives.html">归档目录</a></li>
<li><a target="_self" href="ios.html">iOS</a></li>
<li><a target="_self" href="swift.html">Swift</a></li>
<li><a target="_self" href="reactnative.html">RN</a></li>
<li><a target="_self" href="js.html">JS</a></li>
<li><a target="_self" href="shell.html">shell</a></li>
<li><a target="_self" href="coding.html">编程</a></li>
<li><a target="_self" href="live.html">随笔</a></li>
<li><a target="_blank" href="app.html">APP推荐</a></li>
<li><label>Categories</label></li>
<li><a href="reactnative.html">React-Native</a></li>
<li><a href="ios.html">iOS</a></li>
<li><a href="app.html">MacAPP</a></li>
<li><a href="swift.html">Swift</a></li>
<li><a href="js.html">JavaScript</a></li>
<li><a href="vue.html">Vue</a></li>
<li><a href="shell.html">shell</a></li>
<li><a href="%E7%BD%91%E7%BB%9C.html">网络</a></li>
</ul>
</aside>
<a class="exit-off-canvas" href="#"></a>
<section id="main-content" role="main" class="scroll-container">
<script type="text/javascript">
$(function(){
$('#menu_item_index').addClass('is_active');
});
</script>
<div class="row">
<div class="large-8 medium-8 columns">
<div class="markdown-body home-categories">
<div class="article">
<a class="clearlink" href="15253400374602.html">
<h1>多线程 之 NSThread</h1>
<div class="a-content">
<div class="a-content-text">
<h2 id="toc_0">基本使用</h2>
<h2 id="toc_1">基本知识点学习笔记</h2>
<ul>
<li>新创建的线程放到了内存的<code>可调度线程池内</code></li>
<li>线程关系：
<img src="https://ws1.sinaimg.cn/large/006tKfTcly1fqyaf1gkuvj31gm0nmx2b.jpg" alt=""/></li>
<li></li>
</ul>
</div>
</div>
</a>
<div class="read-more clearfix">
<div class="more-left left">
<span class="date">2018/5/3</span>
<span>posted in </span>
<span class="posted-in"><a href='ios.html'>iOS</a></span>
</div>
<div class="more-right right">
<span class="comments">
</span>
</div>
</div>
</div><!-- article -->
<div class="article">
<a class="clearlink" href="15235286649865.html">
<h1>音视频学习笔记 1</h1>
<div class="a-content">
<div class="a-content-text">
<h2 id="toc_0">音视频概念</h2>
<h3 id="toc_1">声音的物理性质</h3>
<ul>
<li>声波三要素：频率、振幅、波形</li>
<li>人耳听到的频率范围 20Hz-20KHz</li>
<li><p>声音在空气中的传播速度 340m/s、蒸馏水中1497m/s、铁棒5200m/s</p></li>
<li><p>一般声音的采样频率为 44.1KHz---> 一秒钟采样44100次，这样 20KHz的频率也能被数字化</p></li>
<li><p>音频的裸数据格式 脉冲编码调制 PCM （Pluse Code Modulation）</p></li>
<li><p>PCM 相关概念：量化格式、采样频率、声道数</p></li>
</ul>
<h3 id="toc_2">音频编码</h3>
<p>音频压缩编码算法有：PCM、WAV、AAC、MP3、Ogg。</p>
<ul>
<li>WAV：音频质量好，大多数软件都支持，但是占用空间大；适合当做多媒体开发的中间文件，保存音乐、音效素材</li>
<li>MP3：不错的压缩比，LAME编码中高码率文件。音质在128Kbit/s 以上表现不错，压缩比高，大多数软件都支持。适合高比特率下对兼容性有要求的音乐欣赏。</li>
<li>AAC：包括LC-AAC、HE-AAC、HE-AAC v2,小于128Kbit/s表现优异。</li>
</ul>
<table>
<thead>
<tr>
<th style="text-align: center">LC-AAC</th>
<th style="text-align: center">HE-AAC</th>
<th style="text-align: center">HE-AAC v2</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: center">中高码率>80Kbit/s</td>
<td style="text-align: center">中低码率<=80Kbit/s</td>
<td style="text-align: center">低码率<48Kbit/s</td>
</tr>
</tbody>
</table>
</div>
</div>
</a>
<div class="read-more clearfix">
<div class="more-left left">
<span class="date">2018/4/12</span>
<span>posted in </span>
<span class="posted-in"><a href='ios.html'>iOS</a></span>
</div>
<div class="more-right right">
<span class="comments">
</span>
</div>
</div>
</div><!-- article -->
<div class="article">
<a class="clearlink" href="15233259445112.html">
<h1>疯狂iOS讲义笔记 1</h1>
<div class="a-content">
<div class="a-content-text">
<h2 id="toc_0">多点触摸与 手势检测</h2>
<h3 id="toc_1">响应者链</h3>
<ul>
<li>响应者链：第一响应者 ---> 第一响应者的视图控制器 ---> 父控制器（如果有的话）---> UIWindow ---> UIApplication ---> 应用程序委托对象</li>
<li>手势交互触发事件的过程，iOS系统遍历视图的时候 是 深度遍历 还是 广度遍历？</li>
</ul>
<p>事件的传递：是广度遍历<br/>
事件的响应：深度遍历</p>
</div>
</div>
</a>
<div class="read-more clearfix">
<div class="more-left left">
<span class="date">2018/4/10</span>
<span>posted in </span>
<span class="posted-in"><a href='ios.html'>iOS</a></span>
</div>
<div class="more-right right">
<span class="comments">
</span>
</div>
</div>
</div><!-- article -->
<div class="article">
<a class="clearlink" href="15222179789382.html">
<h1>iOS GCD&&多线程</h1>
<div class="a-content">
<div class="a-content-text">
<h2 id="toc_0">基础篇</h2>
<h3 id="toc_1">GCD用途</h3>
<blockquote>
<p>GCD 是 Grand Central Dispatch 的缩写。</p>
</blockquote>
<ul>
<li>GCD 可用于多核的并行运算</li>
<li>GCD 会自动利用更多的 CPU 内核（比如双核、四核）</li>
<li>GCD 会自动管理线程的生命周期（创建线程、调度任务、销毁线程）</li>
<li>程序员只需要告诉 GCD 想要执行什么任务，不需要编写任何线程管理代码</li>
</ul>
</div>
</div>
</a>
<div class="read-more clearfix">
<div class="more-left left">
<a href="15222179789382.html">Read more</a>
<span class="date">2018/3/28</span>
<span>posted in </span>
<span class="posted-in"><a href='ios.html'>iOS</a></span>
</div>
<div class="more-right right">
<span class="comments">
</span>
</div>
</div>
</div><!-- article -->
<div class="article">
<a class="clearlink" href="15200726964422.html">
<h1>iOS Block 知识点拾遗</h1>
<div class="a-content">
<div class="a-content-text">
<ol>
<li><p>Block为什么要用copy</p>
<ul>
<li>block在创建的时候默认分配的内存是在栈上，而不是在堆上。这样的话其本身的作用域是属于创建时候的作用域，一旦在创建的作用域之外调用就会导致程序的崩溃。所以使用了copy将其拷贝到堆内存上。</li>
<li>block创建在栈上，而block的代码中可能会用到本地的一些变量，在栈上可能随时会被系统释放掉，只有将其拷贝到堆上，才能一直保持Block的存在，并用这些外部变量</li>
</ul></li>
<li><p>Block为什么不用retain</p>
<ul>
<li>retain只是增加了一次引用计数，block的内存还是在栈上，并没有存在堆上，存在栈上的block可能随时被系统回收</li>
</ul></li>
<li><p>为什么进入block中的对象引用计数需要自动加1？</p>
<ul>
<li>Block执行的是回调，因此block并不知道其中的对象obj创建后会在什么时候被释放，为了不在block使用obj之前，对象已经被释放，block就retain了obj一次</li>
</ul></li>
<li><p>block和函数的关系</p>
<ul>
<li>Block的使用很<strong>像函数指针</strong>，不过与函数最大的不同是Block可以访问函数以外、词法作用域以内的外部变量的值。换句话说，Block不仅 实现函数的功能，还能<strong>携带函数的执行环境</strong>。</li>
<li>函数指针 <code>void(*fun)(int)</code></li>
<li>block <code>void(^fun)(int)</code></li>
</ul></li>
<li><p>block本质（对于block的理解）<a href="https://www.cnblogs.com/yoon/p/4953618.html">请查阅Block实现原理</a></p>
<ul>
<li>block实际上是: 指向结构体的指针</li>
<li>编译器会将block的内部代码生成对应的函数</li>
</ul></li>
<li><p>对于基本数据类型，进入到block中会被当做常量处理。对象 retain 会一次</p>
</div>
</div>
</a>
<div class="read-more clearfix">
<div class="more-left left">
<a href="15200726964422.html">Read more</a>
<span class="date">2018/3/3</span>
<span>posted in </span>
<span class="posted-in"><a href='ios.html'>iOS</a></span>
</div>
<div class="more-right right">
<span class="comments">
</span>
</div>
</div>
</div><!-- article -->
<div class="article">
<a class="clearlink" href="15200715202464.html">
<h1>iOS 离屏渲染</h1>
<div class="a-content">
<div class="a-content-text">
<h2 id="toc_0">触发方式</h2>
<p>设置以下方式会触发离屏渲染：</p>
<ul>
<li>shouldRasterize（光栅化）</li>
<li>masks（遮罩）</li>
<li>shadows（阴影）</li>
<li>edge antialiasing（抗锯齿）</li>
<li>group opacity（不透明）</li>
<li>复杂形状设置圆角等</li>
<li>渐变 </li>
</ul>
</div>
</div>
</a>
<div class="read-more clearfix">
<div class="more-left left">
<span class="date">2018/3/3</span>
<span>posted in </span>
<span class="posted-in"><a href='ios.html'>iOS</a></span>
</div>
<div class="more-right right">
<span class="comments">
</span>
</div>
</div>
</div><!-- article -->
<div class="article">
<a class="clearlink" href="15198022156700.html">
<h1>iOS 面试题总结</h1>
<div class="a-content">
<div class="a-content-text">
<h2 id="toc_0">基础篇</h2>
<h3 id="toc_1">内存管理 ：assign copy strong weak...</h3>
<ul>
<li>简述OC中内存管理机制,与retain配对使用的方法是dealloc还是release，为什么？</li>
</ul>
<blockquote>
<p>管理机制：<br/>
使用了一种叫做 <strong>引用计数</strong> 的机制来管理内存中的对象。OC中每个对象都对应着他们自己的引用计数，引用计数可以理解为一个整数计数器，当使用alloc方法创建对象的时候，持有计数会自动设置为1。当你向一个对象发送retain消息 时，持有计数数值会增加1。相反，当你像一个对象发送release消息时，持有计数数值会减小1。当对象的持有计数变为0的时候，对象会释放自己所占用的内存</p>
</blockquote>
<ul>
<li><p>修饰词的作用</p>
<ul>
<li>retain(引用计数加1)->release（引用计数减1）</li>
<li>alloc（申请内存空间）->dealloc(释放内存空间)</li>
<li>readwrite: 表示既有getter，也有setter (默认)</li>
<li>readonly: 表示只有getter，没有setter</li>
<li>nonatomic:不考虑线程安全</li>
<li>atomic:线程操作安全 （默认）</li>
<li>retain: release旧的对象，将旧对象的值赋予输入对象，再提高输入对象的索引计数为1</li>
<li>assign: 简单赋值，不更改索引计数 （默认）</li>
<li>copy: 其实是建立了一个相同的对象,地址不同（retain：指针拷贝 copy：内容拷贝）</li>
<li>strong:（ARC下的）和（MRC）retain一样 （默认）</li>
<li>weak:（ARC下的）和（MRC）assign一样， weak当指向的内存释放掉后自动nil化，防止野指针</li>
<li>unsafe_unretained 声明一个弱引用，但是不会自动nil化，也就是说，如果所指向的内存区域被释放了，这个指针就是一个野指针了。
autoreleasing 用来修饰一个函数的参数，这个参数会在函数返回的时候被自动释放。<br/>
### .类变量的@protected ,@private,@public,@package，声明各有什么含义？</li>
</ul></li>
</ul>
</div>
</div>
</a>
<div class="read-more clearfix">
<div class="more-left left">
<span class="date">2018/2/28</span>
<span>posted in </span>
<span class="posted-in"><a href='ios.html'>iOS</a></span>
</div>
<div class="more-right right">
<span class="comments">
</span>
</div>
</div>
</div><!-- article -->
<div class="article">
<a class="clearlink" href="15193944679783.html">
<h1>iOS 项目组件化</h1>
<div class="a-content">
<div class="a-content-text">
<h2 id="toc_0">组件化需要解决的问题</h2>
<ul>
<li>APP 如何跳到任意指定界面（APP外部跳转，APP内部跳转）</li>
<li>自家APP之间如何相互跳转 </li>
<li>如何降低APP组件和APP界面之间的耦合度</li>
<li>如何动态下发配置文件；iOS 安卓共用配置文件</li>
<li>AOP统计界面跳转</li>
<li>组件之间通信，组件和界面之间通信</li>
</ul>
<h2 id="toc_1">组件化步骤</h2>
<ul>
<li>拆分UI组件</li>
<li>拆分业务组件</li>
<li>组件管理</li>
<li>组件通信</li>
</ul>
<h2 id="toc_2">组件化架构 && 思路</h2>
</div>
</div>
</a>
<div class="read-more clearfix">
<div class="more-left left">
<span class="date">2018/2/23</span>
<span>posted in </span>
<span class="posted-in"><a href='ios.html'>iOS</a></span>
</div>
<div class="more-right right">
<span class="comments">
</span>
</div>
</div>
</div><!-- article -->
<div class="article">
<a class="clearlink" href="15193931556096.html">
<h1>iOS APP性能优化方向分析</h1>
<div class="a-content">
<div class="a-content-text">
<h2 id="toc_0">网络性能</h2>
<ul>
<li>减少不必要的网络请求</li>
<li>server端数据查询算法优化</li>
<li>DNS解析</li>
</ul>
<h2 id="toc_1">内存性能</h2>
<ul>
<li>各种循环引用 导致内存泄漏</li>
<li>Core Animation 对象手动释放</li>
<li>UIWebView 内存泄漏</li>
</ul>
<h2 id="toc_2">主线程阻塞</h2>
<ul>
<li>网络同步请求</li>
<li>I/O操作</li>
<li>大量运算</li>
<li>解压、压缩<br/>
...</li>
</ul>
<h2 id="toc_3">离屏渲染</h2>
<p>离屏渲染：GPU在当前缓存区之外另外的去开辟空间进行渲染，同样的一帧图片 会被渲染两次甚至多次</p>
<p>：uiview.layer.cornerRadius 系统方法切圆角--->>解决方案：Runtime + 画图</p>
<h2 id="toc_4">图片处理</h2>
<ul>
<li>imageWithName：加载到缓存中可重复使用</li>
<li>initWithContentsOfFile: 加载一次不会存到缓存中</li>
</ul>
<h2 id="toc_5">其他</h2>
<ul>
<li>加速启动</li>
<li>避免日期格式的转换</li>
</ul>
<h3 id="toc_6">优化瀑布流中 网络图片 加载导致UI卡顿问题</h3>
<blockquote>
<p>1、异步下载图片<br/>
2、异步加载图片成二进制 NSData （<strong>这一步是关键</strong>） <br/>
3、UIImageView 加载二进制形式的NSData</p>
</blockquote>
</div>
</div>
</a>
<div class="read-more clearfix">
<div class="more-left left">
<span class="date">2018/2/23</span>
<span>posted in </span>
<span class="posted-in"><a href='ios.html'>iOS</a></span>
</div>
<div class="more-right right">
<span class="comments">
</span>
</div>
</div>
</div><!-- article -->
<div class="article">
<a class="clearlink" href="15174544275720.html">
<h1>DLNA DMR</h1>
<div class="a-content">
<div class="a-content-text">
<h2 id="toc_0">CGUpnpAvRenderer</h2>
<pre><code class="language-text">#if !defined(_CG_CLINKCAV_MEDIARENDERER_H_)
typedef void CgUpnpAvRenderer;
#endif
/**
* The CGUpnpAvRenderer class is a UPnP/AV media server class.
*/
@interface CGUpnpAvRenderer : CGUpnpDevice
{
CgUpnpAvRenderer *cAvObject;
}
@property(readonly) CgUpnpAvRenderer *cAvObject;
- (id)init;
- (id)initWithCObject:(CgUpnpDevice *)cobj;
- (BOOL)setAVTransportURI:(NSString *)aURI;
- (BOOL)play;
- (BOOL)stop;
- (BOOL)pause;
- (BOOL)next;
- (BOOL)previous;
- (BOOL)seek:(float)absTime;
- (BOOL)isPlaying;
/*
- (BOOL)start
- (BOOL)stop
*/
- (CGUpnpAVPositionInfo *)positionInfo;
</code></pre>
<h2 id="toc_1">CGUpnpDevice</h2>
<pre><code class="language-text">/**
* The CGUpnpDevice class is a wrapper class for CgUpnpDevice of CyberLink for C.
*/
// 设备包装类
@protocol CGUpnpDeviceDelegate <NSObject>
@optional
// 收到Action的协议方法
- (BOOL)device:(CGUpnpDevice *)device service:(CGUpnpService *)service actionReceived:(CGUpnpAction *)action;
@end
/**
* The CGUpnpDevice class is a wrapper class for CgUpnpDevice of CyberLink for C.
*/
@interface CGUpnpDevice : NSObject
{
BOOL isCObjectCreated;
}
@property(assign) CgUpnpDevice *cObject;
@property(assign) id<CGUpnpDeviceDelegate> delegate;
/**
* Create a new UPnP device.
*
* @return New instance if successfull; otherwise nil.
*/
// 初始化方法 创建一个新的UPnP设备
- (id) init;
/**
* Create a new UPnP device with the C instance.
*
* @return New instance if successfull; otherwise nil.
*/
// 用一个设备初始化另一设备
- (id) initWithCObject:(CgUpnpDevice *)cobj;
/**
* Create a new UPnP device with the XML descriptioin.
*
* @return New instance if successfull; otherwise nil.
*/
// xml 创建设备
- (id) initWithXMLDescription:(NSString *)xmlDesc;
/**
* Parse the specified XML description.
*
* @return YES if successfull; otherwise nui.
*/
- (BOOL) parseXMLDescription:(NSString *)xmlDesc;
/**
* Get the friendly name of the device.
*
* @return Friendly name.
*/
// 获取友好的名字
- (NSString *)friendlyName;
/**
* Get the device type of the device.
*
* @return Device Type.
*/
// 设备类型
- (NSString *)deviceType;
/**
* Get the UDN of the device.
*
* @return UDN of the specified device.
*/
// 获取设备的UDN
- (NSString *)udn;
/**
* Return a manufacture.
*
* @return Manufacture of the device.
*/
// 制造商
- (NSString *)manufacturer;
/**
* Return a model number.
*
* @return Model number of the device.
*/
// 返回模型数
- (NSString *)modelNumber;
/**
* Return a model name.
*
* @return Model name of the device.
*/
// 返回模型名
- (NSString *)modelName;
/**
* Return a urlBase
*
* @return URLBase of the device.
*/
// 返回设备的URLBase
- (NSString *)urlBase;
/**
* Return a descrition URL
*
* @return Descripton URL of the device.
*/
// 返回设备URL描述
- (NSString *)descriptionURL;
/**
* Return a location URL
*
* @return Location URL of the device.
*/
// 返回一个本地URL
- (NSString *)locationURL;
/**
* Set a device type of the device.
*
* @param aType Device type to set.
*/
// 设置设备类型
-(void)setDeviceType:(NSString *)aType;
/**
* Set a friendly name of the device.
*
* @param aName Friendly name to set.
*/
// 设置友好名称
-(void)setFriendlyName:(NSString *)aName;
/**
* Set a udn of the device.
*
* @param aUdn UDN to set.
*/
-(void)setUdn:(NSString *)aUdn;
/**
* Check whether the device type is the specified type.
*
* @param aType A type string of the device.
*
* @return YES if the specified type is same as the device type; otherwise NO.
*/
- (BOOL)isDeviceType:(NSString *)aType;
/**
* Check whether the device's UDN is the specified UDN.
*
* @param aUDN A UDN string of the device.
*
* @return YES if the specified UDN is same as the device' UDN; otherwise NO.
*/
- (BOOL)isUDN:(NSString *)aUDN;
/**
* Check whether the device's friendly name is the specified name.
*
* @param aFriendlyName A friendly name string of the device.
*
* @return YES if the specified friendly name is same as the device' friendly name; otherwise NO.
*/
- (BOOL)isFriendlyName:(NSString *)aFriendlyName;
/**
* Return a presentationURL
*
* @return presentationURL of the device.
*/
- (NSString *)presentationURL;
/**
* Get all services in the device as a NSArray object. The array has the services as instances of CGUpnpService.
*
* @return NSArray of CGUpnpService.
*/
// 返回设备CGUpnpService服务组
- (NSArray *)services;
/**
* Get a service in the device by the specified service ID.
*
* @param serviceId A service ID string of the service.
*
* @return The CGUpnpService if the specified service is found; otherwise nil.
*/
// 根据seviceID 获取服务对象
- (CGUpnpService *)getServiceForID:(NSString *)serviceId;
/**
* Get a service in the device by the specified service type.
*
* @param serviceType A service type string of the service.
*
* @return The CGUpnpService if the specified service is found; otherwise nil.
*/
// 根据类型获取服务对象 service
- (CGUpnpService *)getServiceForType:(NSString *)serviceType;
/**
* Get all icons in the device as a NSArray object. The array has the services as instances of CGUpnpIconIcon.
*
* @return NSArray of CGUpnpIcon.
*/
// 获取所有图标
- (NSArray *)icons;
/**
* Start the device.
*
* @return YES if the device is started normally, otherwise NO.
*/
- (BOOL)start;
/**
* Stop the device.
*
* @return YES if the device is started normally, otherwise NO.
*/
- (BOOL)stop;
/**
* Check if the controll point is running.
*
* @return YES if the device is started normally, otherwise NO.
*/
//检查控制点 DMC是否在运行
- (BOOL)isRunning;
/**
* Announce the device.
*
* @return YES if the device is started normally, otherwise NO.
*/
// 广播这个设备
- (BOOL)announce;
/**
* Set a user data.
*
* @param aUserData A user data to set.
*
* @return The CGUpnpService if the specified service is found; otherwise nil.
*/
// 设置用户数据
- (void)setUserData:(void *)aUserData;
/**
* Get a stored user data.
*
* @return A stored user data.
*/
获取已存储的用户数据
- (void *)userData;
/**
* Return a IP address.
*
* @return IP address of the device.
*/
// 获取IP地址
- (NSString *)ipaddress;
/**
* Return a most smallest icon.
*
* @return Smallest Icon.
*/
// 获取一个最小的 icon
- (CGUpnpIcon *)smallestIcon;
/**
* Return a most smallest icon with a specified mime type.
*
* @return Smallest Icon.
*/
// 获取指定类型的icon
- (CGUpnpIcon *)smallestIconWithMimeType:(NSString *)mimeType;
/**
* Return a absolute url of the specified icon.
*
* @param anIcon Icon.
*
* @return Absolute url of the specified icon.
*/
// 获取icon的绝对路径
- (NSString *)absoluteIconUrl:(CGUpnpIcon *)anIcon;
</code></pre>
<h2 id="toc_2">CGUpnpStateVariable</h2>
<pre><code class="language-text">#if !defined(_CG_UPNP_CSTATEVARIABLE_H_)
typedef void CgUpnpStateVariable;
#endif
/**
* The CGUpnpStateVariable class is a wrapper class for CgUpnpStateVariable of CyberLink for C.
*/
@interface CGUpnpStateVariable : NSObject
{
CgUpnpStateVariable *cObject;
}
@property(readonly) CgUpnpStateVariable *cObject;
- (id)initWithCObject:(CgUpnpStateVariable *)cobj;
/**
* Get the name of the state variable.
*
* @return The name.
*/
// 状态名
- (NSString *)name;
/**
* Get the value of the state variable.
*
* @return The value.
*/
// 状态值
- (NSString *)value;
/**
* Get an array of the allowed values for the state variable
*
* @return The array.
*/
// 允许的所有状态值
- (NSArray *)allowedValues;
/**
* Checks whether value is allowed for this state variable
*
* @param value to be checked
*
* @return YES if true
*/
// 检测状态值是否是被允许的
- (BOOL)isAllowedValue:(NSString*)value;
/**
* Send query
*
* @return YES if successfull; otherwise NO
*/
- (BOOL)query;
/**
* Get a states code of the last query.
*
* @return The status code
*/
- (NSInteger)statusCode;
</code></pre>
<h2 id="toc_3">CGUpnpIcon</h2>
<pre><code class="language-text">/**
* The CGUpnpIcon class is a wrapper class for CgUpnpIcon of CyberLink for C.
*/
@interface CGUpnpIcon : NSObject
{
CgUpnpIcon *cObject;
#if defined(TARGET_OS_IPHONE)
NSString *resourceName;
#endif
}
@property(readonly) CgUpnpIcon *cObject;
#if defined(TARGET_OS_IPHONE)
@property(readonly) NSString *resourceName;
#endif
- (id)initWithCObject:(CgUpnpIcon *)cobj;
/**
* Get the url of the icon.
*
* @return The url.
*/
- (NSString *)url;
/**
* Get the url of the width.
*
* @return The width.
*/
- (NSInteger)width;
/**
* Get the height of the icon.
*
* @return The height.
*/
- (NSInteger)height;
/**
* Get the depth of the icon.
*
* @return The depth.
*/
- (NSInteger)depth;
#if defined(TARGET_OS_IPHONE)
- (void)setResourceName:(NSString *) aResourceName;
#endif
</code></pre>
<h2 id="toc_4">CGUpnpAVPositionInfo</h2>
<pre><code class="language-text">@property(retain) CGUpnpAction *upnpAction;
-(id)initWithAction:(CGUpnpAction *)aUpnpAction;
-(float)trackDuration;
-(float)absTime;
-(float)relTime;
@end
@interface NSString(CGUPnPAV)
// 总时长字符串
+(NSString *)stringWithDurationTime:(float)timeValue;
// 总时长
- (float)durationTime;
</code></pre>
<h2 id="toc_5">CGUpnpAction</h2>
<pre><code class="language-text">@interface CGUpnpAction : NSObject
{
CgUpnpAction *cObject;
}
@property(readonly) CgUpnpAction *cObject;
- (id)initWithCObject:(CgUpnpAction *)cobj;
/**
* Get the name of the action.
* 行为名称
* @return The name.
*/
- (NSString *)name;
/**
* Get all arguments in the action as a NSDictionary object.
* 获取所有行为对象中的参数
* @return NSDictionary of the arguments.
*/
- (NSDictionary *)arguments;
/**
* Set a value of the specified argument from the action by the argument's name directly.
* 通过name给指定action设置参数
* @param value The value to set
* @param name The name of the argument to look for
* @return YES if successfull; otherwise NO
*/
- (BOOL)setArgumentValue:(NSString *)value forName:(NSString *)name;
/**
* Get a value of the specified argument from the action by the argument's name directly.
* 通过action参数名 获取action参数值
* @param name The name of the argument to look for
* @return The target value if successfull; otherwise NULL
*/
- (NSString *)argumentValueForName:(NSString *)name;
/**
* Send action
* 发送Action
* @return YES if successfull; otherwise NO
*/
- (BOOL)post;
/**
* Send action
* 发送action 携带指定参数
* @param arguments Arguments to set
*
* @return YES if successfull; otherwise NO
*/
- (BOOL)postWithArguments:(NSDictionary *)arguments;
/**
* Get a states code of the last post.
* 获取最后POST的状态码
* @return The status code
*/
- (NSInteger)statusCode;
</code></pre>
</div>
</div>
</a>
<div class="read-more clearfix">
<div class="more-left left">
<span class="date">2018/2/1</span>
<span>posted in </span>
<span class="posted-in"><a href='ios.html'>iOS</a></span>
</div>
<div class="more-right right">
<span class="comments">
</span>
</div>
</div>
</div><!-- article -->
<div class="row">
<div class="large-6 columns">
<p class="text-left" style="padding-top:25px;">
<a href="ios_1.html">« Prev Page</a>
</p>
</div>
<div class="large-6 columns">
<p class="text-right" style="padding-top:25px;">
<a href="ios_3.html">» Next Page</a>
</p>
</div>
</div>
</div>
</div><!-- large 8 -->
<div class="large-4 medium-4 columns">
<div class="hide-for-small">
<div id="sidebar" class="sidebar">
<div id="site-info" class="site-info">
<div class="site-a-logo"><img src="https://ws1.sinaimg.cn/large/006tNc79ly1fmpk9088gsj30sg0sgn33.jpg" /></div>
<h1>kaelinda</h1>
<div class="site-des">倘若我心中的山水，你眼中能看到，我便一步一莲花祈祷</div>
<div class="social">
<a target="_blank" class="twitter" target="_blank" href="https://twitter.com/KaelLVLinda" title="Twitter">Twitter</a>
<a target="_blank" class="github" target="_blank" href="https://github.com/Kaelzzs" title="GitHub">GitHub</a>
<a target="_blank" class="email" href="mailto:zhouzuosong_kael@163.com" title="Email">Email</a>
<a target="_blank" class="rss" href="atom.xml" title="RSS">RSS</a>
</div>
</div>
<div id="site-categories" class="side-item ">
<div class="side-header">
<h2>Categories</h2>
</div>
<div class="side-content">
<p class="cat-list">
<a href="reactnative.html"><strong>React-Native</strong></a>
<a href="ios.html"><strong>iOS</strong></a>
<a href="app.html"><strong>MacAPP</strong></a>
<a href="swift.html"><strong>Swift</strong></a>
<a href="js.html"><strong>JavaScript</strong></a>
<a href="vue.html"><strong>Vue</strong></a>
<a href="shell.html"><strong>shell</strong></a>
<a href="%E7%BD%91%E7%BB%9C.html"><strong>网络</strong></a>
</p>
</div>
</div>
<div id="site-categories" class="side-item">
<div class="side-header">
<h2>Recent Posts</h2>
</div>
<div class="side-content">
<ul class="posts-list">
<li class="post">
<a href="15523077857608.html">OC中枚举写法 以及 字符串枚举探索</a>
</li>
<li class="post">
<a href="15522686353535.html">iOS 动画全解 (1)</a>
</li>
<li class="post">
<a href="15501356584731.html">UITableView顶部空白的几种解决办法</a>
</li>
<li class="post">
<a href="15488351784332.html">Objective-C中的字符串类型枚举 探索</a>
</li>
<li class="post">
<a href="15409691048860.html">【Swift笔记】引用计数</a>
</li>
</ul>
</div>
</div>
</div><!-- sidebar -->
</div><!-- hide for small -->
</div><!-- large 4 -->
</div><!-- row -->
<div class="page-bottom clearfix">
<div class="row">
<p class="copyright">Copyright © 2015
Powered by <a target="_blank" href="http://www.mweb.im">MWeb</a>,
Theme used <a target="_blank" href="http://github.com">GitHub CSS</a>.</p>
</div>
</div>
</section>
</div>
</div>
<script src="asset/js/foundation.min.js"></script>
<script>
$(document).foundation();
function fixSidebarHeight(){
var w1 = $('.markdown-body').height();
var w2 = $('#sidebar').height();
if (w1 > w2) { $('#sidebar').height(w1); };
}
$(function(){
fixSidebarHeight();
})
$(window).load(function(){
fixSidebarHeight();
});
</script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script type="text/x-mathjax-config">MathJax.Hub.Config({TeX: { equationNumbers: { autoNumber: "AMS" } }});</script>
</body>
</html>
此处可能存在不合适展示的内容，页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容，可点击提交进行申诉，我们将尽快为您处理。
马建仓 AI 助手
