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APP被杀后Service如何重启Binder有个讣告机制，Server死后，会向Client发送一份通知，在这里，其实就是APP死掉后，会像ActivityManagerService发送一份讣告通知，AMS后面负责清理APP的场景，并看是否需要回复Service，进一步处理后续流程...

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Android系统中，APP进程被杀后，等一会经常发现进程又起来了，这个现象同APP中Service的使用有很大关系，本文指的Service是通过startService启动的，而不是通binderSertvice启动的，binderSertvice是通Activity显示界面相关的，如果两者同一进...

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【Android 逆向】Android 进程代码注入原理 ( 注入本质 | 静态注入和动态注入 | 静态注入两种方式 | 修改动态库重打包 | 修改 /data/app/xx/libs 动态库 )

文章目录一、注入本质二、静态注入和动态注入三、静态注入两种方式 ( 修改动态库重打包 | 修改 /data/app/packageName/libs/ 下的动态库 )一、注入本质进程注入本质是监控或分析目标进程 ( 被调试进程 ) 的运行状态 , 运行状态包括 :标志位IP 寄存器值SP ...

【Android 逆向】Android 进程代码注入原理 ( 进程注入原理 | 远程调用流程 | 获取函数地址 | 设置 IP 寄存器 | mmap 申请内存 | 设置 SP 寄存器 )

文章目录一、进程注入原理二、远程调用流程 ( 获取 so 动态库地址 | 获取函数地址 | 设置 IP 寄存器 | mmap 申请内存 | 设置 SP 寄存器 )一、进程注入原理调试进程 Attach 被调试进程 :工具程序 ( 调试进程 ) 获取调试目标进程 ( 被调试进程 ) 的权限 , 调用...

Android系统匿名共享内存Ashmem（Anonymous Shared Memory）在进程间共享的原理分析

在前面一篇文章Android系统匿名共享内存Ashmem（Anonymous Shared Memory）驱动程序源代码分析中，我们系统地介绍了Android系统匿名共享内存的实现原理，其中着重介绍了它是如何辅助内存管理系统来有效地管理内存的，在再前面一篇文章Android系统匿名共享内...

Android系统在新进程中启动自定义服务过程（startService）的原理分析（上）

在编写Android应用程序时，我们一般将一些计算型的逻辑放在一个独立的进程来处理，这样主进程仍然可以流畅地响应界面事件，提高用户体验。Android系统为我们提供了一个Service类，我们可以实现一个以Service为基类的服务子类，在里面实现自己的计算型逻辑，然后在主进程通过startServ...

Android系统在新进程中启动自定义服务过程（startService）的原理分析（下）

Step 10. ActivityManagerService.attachApplicationLocked 这个函数定义在frameworks/base/...

Android 进程回收之LowMemoryKiller原理篇

在前面的文章Android进程保活一文中，对于LowMemoryKiller的概念做了简单的提及。LowMemoryKiller简称低内存杀死机制。简单来说，LowMemoryKiller(低内存杀手)是Andorid基于oomKiller原理所扩展的一个多层次oomKiller，OOMkiller...

android 进程间通信原理

前言每个Android进程只能运行在自己拥有的虚拟地址空间，对于用户空间。不同进程之间彼此是不能共享的，而内核空间是可以共享的。Client和Server进程通信就是利用进程间可以共享内核内存空间来完成底层通信工作的，Client和Server通过ioctl等和内核空间进行交互。进程通信架构 1...

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