Android4SAM » AndroidRootfs

Android Root File System

Android root file system consists of Android libraries, Java VM, applications and some configurations, besides the basic root file system components. This page will give you a hands-on introduction on how to build android system and generate a RootFS image.

Build Android
- Building Steps

Build Android

Please follow the steps below during the building process:

Get Android source code from Google's git repository.
For the target board, several patches need to be applied.
The final step is to configure the building parameters, and then build it.

Android official web site also provides a guide on how to build from source code, you can reference it from http://source.android.com/source/download.html.

Building Steps

GetAndroid	BuildAndroid	GenerateAndroidImage
Setup Build Machine Host System Necessary Packages Add Environment Variables Install Repo Initialize Repo Repository Get Source Code	Get and patch the Android source code Download the Android patch file Extract the patch file in vendor folder: Configure and Build Android	Requirements Steps of Generating Android Root File System Image Create UBIFS Image Create SD Card Image Steps of Load Image Load UBIFS Image Load SD Card Image