====== Compile Android source code for Galaxy Nexus ======

Compile the Android JB 4.1,need 64 bit linux,so use VirtualBox to install Ubuntu 12.04.

===== Google Official build guide =====

  - https://source.android.com/source/initializing.html
  - https://developers.google.com/android/nexus/drivers#magurojro03c
  - http://source.android.com/source/building-devices.html

===== jdk1.6: =====

http://download.oracle.com/otn-pub/java/jdk/6u31-b04/jdk-6u31-linux-x64.bin

Download it and move to /opt:
  chmod +x jdk-6u31-linux-x64.bin
  ./jdk-6u31-linux-x64.bin
After install,append folloing config to /etc/profile:
  export JAVA_HOME=/opt/jdk1.6.0_31
  export JRE_HOME=/opt/jdk1.6.0_31/jre
  export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
  export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH
Use java -version to check it is correct:
<code>
java version "1.6.0_31"
Java(TM) SE Runtime Environment (build 1.6.0_31-b04)
Java HotSpot(TM) 64-Bit Server VM (build 20.6-b01, mixed mode)
</code>
===== VirtualBox Share: =====

1. Fist add file share in VirtualBox setting.The share file name:Android
2.Then mount it in the Ubuntu:
  mount -t vboxfs Android /mnt/Android
Or add to /etc/fstab:
  Android /mnt/Android vboxsf rw,gid=100,uid=1000,auto 0 0
  
===== Resize the VirtualBox VDI  =====
Resize to 40G
  VBoxManage modifyhd android_vhdd.vdi --resize 40000
Then use gparted to resize the origin extend partitoin.

  
===== ClockworkMod Recovery =====
Download recovery here:

http://www.clockworkmod.com/rommanager/

http://download2.clockworkmod.com/recoveries/recovery-clockwork-6.0.1.0-maguro.img

  fastboot flash recovery recovery-clockwork-6.0.1.0-maguro.img

===== Install su/Superuser.apk =====

<code>
  adb root
  adb remount
  adb push su /system/bin
  adb push Superuser.apk /system/app
  adb shell chmod 06755 /system/bin/su
  adb shell chmod 06755 /system/app/Superuser.apk
</code>
===== Enter fastboot mode =====

Volume UP+DOWN+Power

===== gapps download =====
http://goo.im/gapps/

jb:http://goo.im/gapps/gapps-jb-20120726-signed.zip
===== fastboot =====
USAGE:http://wiki.cyanogenmod.com/wiki/Fastboot

  1. fastboot flash system system.img 
  2. fastboot flash boot boot.img
  3. fastboot -w
NOTICE:it will format the sdcard,so need backup the data on sdcard first.


===== Recovery =====
  fastboot flash recovery recovery-clockwork-6.0.1.0-maguro.img

  Root step:
  1.boot to fastboot mode.
  2.flash the recovery
  3.push su&Superuser.apk,add execute permission.
  4.reboot.
  
  Now use SuperSU to manager the root list:
  
  http://forum.xda-developers.com/showthread.php?t=1538053
  
  NOTICE:click the above link to get the zip package,just install the zip package in recovery mode is OK.