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引言这是 Android 10 源码分析系列的第 7 篇分支：android-10.0.0_r14全文阅读大概 10 分钟在之前的文章 0xA06 Android 10 源码分析：WindowManager 视图绑定以及体系结构介绍了 Activity、Window、PhoneWindow、Win...

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从前文可知道，每一个Activity组件都有一个关联的Window对象，用来描述一个应用程序窗口。每一个应用程序窗口内部又包含有一个View对象，用来描述应用程序窗口的视图。应用程序窗口视图是真正用来实现UI内容和布局的，也就是说，每一个Activity组件的UI内容和布局都是通过与其所...

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Android视图SurfaceView的实现原理分析

在Android系统中，有一种特殊的视图，称为SurfaceView，它拥有独立的绘图表面，即它不与其宿主窗口共享同一个绘图表面。由于拥有独立的绘图表面，因此SurfaceView的UI就可以在一个独立的线程中进行行绘制。又由于不占用主线程资源，SurfaceView一方面可...

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