Learn about Android Core Services

Core Services : There are 50-80 types of Android service and Nateive service

Android Service Java implementation of the

Nateive Service/C + + implementation

Core Services are IPC with IBinder interface

ServiceManager Important Services

Start dozens of system services during boot

All core services are started when the boot is complete

Android Boot Process

OS detection Linux kernel + Drivers + HW

Init process reads init.rc file (init.rc configuration profile)

1. Create the runtime process---create Servicemangager

2. Create Zygote process----Create VMS (Zygote implemented using C + +/java)

----Create System Server (Android service and Native service)

Init process starts server (System server and Surfacefinger and MediaServer)

Launch of Android app app

　　Activitymanagerservice launches an app that uses the socket request zygote to fork a process to the app　　

Learn about Android Core Services