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<article id="post-artsearchreadnote9" class="article article-type-post" itemscope itemprop="blogPost">

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<a href="/2016/02/20/artsearchreadnote9/" class="article-date">

<time datetime="2016-02-20T06:51:39.000Z" itemprop="datePublished">2016-02-20</time>

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<a class="article-title" href="/2016/02/20/artsearchreadnote9/">Android开发艺术探索读书笔记 第九章 四大组件的工作过程</a>

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<h1 id="9-1_四大组件的运行状态">9.1 四大组件的运行状态</h1><p>四大组件除了BroadcastReceiver，其他都必须在AndroidManifest中注册。<br>BroadcastReceiver可以在AndroidManifest静态注册，也可以动态注册。</p>

<p>Activity的主要作用是展示一个界面和用户交互。</p>

<p>Service是一种计算型组件，用于在后台执行一系列计算任务。Service有两种状态，启动状态和绑定状态。启动状态时，不需要和外界直接交互。绑定状态可以和外界通信。Service运行在主线程中。 </p>

<p>BroadcastReceiver静态注册在安装时被系统解析，动态注册通过Context.registerReceiver()。</p>

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<a href="/2016/01/06/artsearchreadnote8/" class="article-date">

<time datetime="2016-01-06T11:56:37.000Z" itemprop="datePublished">2016-01-06</time>

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<a class="article-title" href="/2016/01/06/artsearchreadnote8/">Android开发艺术探索读书笔记 第八章 理解Window和WindowManager</a>

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<p>Window是一个抽象类，具体实现是PhoneWindow。</p>

<h1 id="8-1_Window和WindowManager">8.1 Window和WindowManager</h1><p>FLAG_NOT_FOCUSABLE<br>表示Window不需要获取焦点，也不需要接收各种输入事件，此标记会同时开启FLAG_NOT_TOUCH_MODAL<br>FLAG_NOT_TOUCH_MODAL<br>开启后可以将当期WWindow区域以外的事件传递给底层Window。<br>FLAG_SHOW_WHEN_LOCKED<br>开启此模式可以让Window显示在锁屏上<br>Type参数表示Window的类型，有三种，应用Window,子Window和系统Window。</p>

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<time datetime="2016-01-03T11:56:37.000Z" itemprop="datePublished">2016-01-03</time>

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<a class="article-title" href="/2016/01/03/artsearchreadnote7/">Android开发艺术探索读书笔记 第七章 Android动画深入分析</a>

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<h1 id="7-1_view动画">7.1 view动画</h1><p>View动画，有4种，平移、选择、缩放、透明度动画。</p>

<p>可以通过接口AnimationListener监听动画。</p>

<h2 id="7-1-2_自定义动画">7.1.2 自定义动画</h2><p>继承Animation抽象类，重写initalize和applyTransformation方法。</p>

<p>在applyTransformation进行矩阵变换，可以实现3D效果。</p>

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<time datetime="2016-01-01T14:09:01.000Z" itemprop="datePublished">2016-01-01</time>

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<a class="article-title" href="/2016/01/01/aospcompilation/">在Mac 10.11中编译Android 6.0源码</a>

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<h1 id="背景">背景</h1><p>前几天心血来潮想编译Android源码，总共花了大概三天的时间，碰到一些问题，记录一下防止以后忘掉。</p>

<h1 id="本地环境">本地环境</h1><p>系统版本： OS X 10.11.2<br>git : 2.6.4<br>port :2.3.4<br>make : 3.81<br>curl : 7.46.0</p>

<h1 id="环境配置">环境配置</h1><p>首先需要一个区分大小写的硬盘,至少要100G，我是在一个移动硬盘上编译，所以直接磁盘工具-&gt;选择硬盘-&gt;抹掉,格式选择第二个”OS X扩展（区分大小写，日志式）”就可以了。</p>

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<time datetime="2015-12-27T14:07:03.000Z" itemprop="datePublished">2015-12-27</time>

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<a class="article-title" href="/2015/12/27/artsearchreadnote6/">Android开发艺术探索读书笔记 第六章 Android的Drawable</a>

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<p>Drawable表示可以在Canvas上进行绘制的抽象的概念。</p>

<p>非图片类型Drawable占用空间小，可以减少apk大小。</p>

<p>BitmapDrawable表示一张图片，对应xml标签<bitmap></p>

<p>NinePatchDrawable，表示一张.9图，<nine-patch>,在bitmap标签中也可以使用.9图。</p>

<p>ShapDrawable表示以颜色构造的图形，可以纯色，也可以渐变。<shape></p>

<p>LayerDrawable表示层次化的drawable集合，下面的item会覆盖上面的item。<layer-list></p>

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<a class="article-title" href="/2015/12/18/artsearchreadnote5/">Android开发艺术探索读书笔记 第五章 理解remoteViews</a>

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<h1 id="5-1-1">5.1.1</h1><p>RemoteViews用于自定义Notification。<br>PendingIntent表示待定Intent，包含的意图由用户触发。</p>

<h1 id="5-1-3">5.1.3</h1><p>PendingIntent支持三种待定意图：启动Activity，启动Service和发送广播。<br>getActivity(Context context,int requestCode, Intent intent, int flags)<br>如果两个PendingIntent内部的Intent相同并且requestCode也相同，那么这两个PendingIntent是相同的。</p>

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<time datetime="2015-12-14T16:41:51.000Z" itemprop="datePublished">2015-12-15</time>

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<a class="article-title" href="/2015/12/15/AndFixIntroduce/">AndFix使用介绍</a>

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<h1 id="介绍">介绍</h1><p>AndFix，全称是<strong>And</strong>roid hot-<strong>fix</strong>。是阿里开源的一个Android热补丁框架，允许APP在不重新发布版本的情况下修复线上的bug。支持Android 2.3 到 6.0。</p>

<h1 id="使用方式">使用方式</h1><ol>

<li>首先添加依赖<br><code>compile &#39;com.alipay.euler:andfix:0.3.1@aar&#39;</code></li>

<li>然后在Application.onCreate() 中添加以下代码<figure class="highlight dns"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">patchManager = new PatchManager(context)<span class="comment">;</span></span><br><span class="line">patchManager.init(appversion)<span class="comment">;//current version</span></span><br><span class="line">patchManager.loadPatch()<span class="comment">;</span></span><br></pre></td></tr></table></figure>

<p>可以用这句话获取appversion<br><code>String appversion= getPackageManager().getPackageInfo(getPackageName(), 0).versionName;</code><br>注意每次appversion变更都会导致所有补丁被删除,如果appversion没有改变，则会加载已经保存的所有补丁。</p>

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