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Android进程间通信之一：Binder机制学习

Binder机制学习Binder驱动Binder核心APILinux 使用两级保护机制：0 级供系统内核使用，3 级供用户程序使用。Linux 下的传统 IPC 通信原理Linux 下的传统 IPC 通信原理Binder通信过程ServiceManager进程启动MMAPBinder驱动binder...

Android--进程间通信（Binder）

Android系统提供了一些通用服务，比如音乐打电话发短信，WIFI，定位，输入法，传感器等。应用程序与这些通用服务运行在不同的进程中，如果应用程序想要与这些通用服务交互就要涉及到进程间通信，Binder就是为了Android进程间通信而设计的。 Binder框架 Binder是一种架构，这种架构提...

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Android进程间通信（IPC）机制Binder简要介绍和学习计划

在Android系统中，每一个应用程序都是由一些Activity和Service组成的，一般Service运行在独立的进程中，而Activity有可能运行在同一个进程中，也有可能运行在不同的进程中。那么，不在同一个进程的Activity或者Service是如何通信的呢？这就是本文中要介绍的Binde...

Android系统进程间通信（IPC）机制Binder中的Server启动过程源代码分析(3)

Service Manager被唤醒之后，就进入while循环开始处理事务了。这里wait_for_proc_work等于1，并且proc->todo不为空，所以从proc->todo列表中得到第一个工作项： w = list_first_e...

浅谈Android系统进程间通信（IPC）机制Binder中的Server和Client获得Service Manager接口之路

在前面一篇文章浅谈Service Manager成为Android进程间通信（IPC）机制Binder守护进程之路中，介绍了Service Manager是如何成为Binder机制的守护进程的。既然作为守护进程，Service Manager的职责当然就是为Server和Client服务了。那么，S...

浅谈Service Manager成为Android进程间通信（IPC）机制Binder守护进程之路(2)

继续分析这个函数之前，又要解释两个数据结构了，一个是struct binder_thread结构体，顾名思久，它表示一个线程，这里就是执行binder_become_context_manager函数的线程了。 struct binder_thread ...

Android系统进程间通信（IPC）机制Binder中的Server启动过程源代码分析(2)

这个函数虽然很长，但是主要调用了talkWithDriver函数来与Binder驱动程序进行交互： status_t IPCThreadState::talkWithDriver(bool doReceive) { ...

Android系统进程间通信Binder机制在应用程序框架层的Java接口源代码分析

在前面几篇文章中，我们详细介绍了Android系统进程间通信机制Binder的原理，并且深入分析了系统提供的Binder运行库和驱动程序的源代码。细心的读者会发现，这几篇文章分析的Binder接口都是基于C/C++语言来实现的，但是我们在编写应用程序都是基于Java语言的，那么，我们如何使用Java...

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