From: eLinux.org

Android x86

Android x86 is a software port to normal pc s. Android x86
Homepage

The current stable release is
http://www.android-x86.org/releases/releasenote-3-2-rc2
Android-x86 3.2-r2], based upon Honeycomb.

Contents

ICS 4.0.3

Build on ubuntu 11.10

see Building Android 4.0 on Ubuntu
11.10

install old version of gcc 4.4 with : sudo apt-get install gcc-4.4
g++-4.4 g++-4.4-multilib gcc-4.4-multilib

run make with : make CC=gcc-4.4 CXX=g++-4.4 -j4 iso_img
TARGET_PRODUCT=generic_x86

Hardware

Fritz!Wlan

AVM GmbH AVM Fritz!WLAN N [Atheros AR9001U]

DONUT 1.6 r2

short steps to get a running system

Running the system from boot medium CD or USB-Stick

  • download CD-Image
    android-x86-1.6-r2.iso or
    USB-Image
    android-x86-1.6-r2_usb.img.gz
  • burn cd image or for the usb-image use the following commands on a
    linux box “gunzip
    http://www.android-x86.org/download“
    and “dd if=android-x86-1.6-r2_usb.img of=/dev/sda” (of=/dev/sda is
    depending on where your linux mounted your usb-stick)
  • boot from created medium and choose the first menu entry “Live USB -
    Run Android-x86 without Installation”
  • in android goto settings/sound & display/screen timeout and set to
    “never timeout”

run the system from harddisk

s. as well the installation section on
android-x86.org

  • boot from CD or USB-Stick android x86 boot menu choose the fourth
    option “Installation - Install Android-x86 1.6-r2 to harddisk”
  • select “Create/Modify partitions” and create a bootable partition
    with cfdisk
  • select created partition e.g. sda1 and format with e.g. ext3
  • install GRUB by selecting ‘yes’
  • reboot system and boot from harddisk and select the default menu
    entry “Android-x86 1.6-r2”
  • in android goto settings/sound & display/screen timeout and set to
    “never timeout”

details for a running system

SD-card

for mounting an sd card see
[1]

navigation

  • HOME \<- windows key left
  • BACK \<- esc
  • MENU \<- menu-key

touchscreen or mouse

touch the right end of statusbar to activate or deactivate the following
functions

  • HOME \<- touch status bar
  • MENU \<- touch statusbar from left to right.
  • BACK \<- touch t statusbar from right to left.

sound

Keys on ASUS EeePC

  1. Fn-F7, F8, F9,
  2. some models are
  3. Fn-F10, F11, F12

Notebooks

  1. Some notebooks also have volume adjustment hotkeys

raise sound volume in shell

  1. * change screen to console 1, press Alt+F1
  2. * enter
  3.   "alsa_amixer cset numid=1 31" for 'Front Playback Volume' and/or
  4.   "alsa_amixer cset numid=20 31" for 'Master Playback Volume'  and/or
  5.   "alsa_amixer cset numid=3 31" for 'Speaker Playback Volume'
  6. * go back to graphic screen,  press Alt+F7

x86 PCs with normal keyboard

rear panel audio jack and front panel audio jack depend on the setting
of ‘Front Playback Volume’ alsa_amixer sound setting

video

application errors

  • menu /settings/about phone/System tutorial -> Sorry! The
    application settings (process com.android.settings) has stopped
    unexpectedly. Please try again.

Development

improvements/request for changes

  • set “settings/sound & display/screen timeout” to “never timeout” as
    for an x86 system there is no need to timeout an new users don’t
    know what happens.

errors

shell

navigation/keyboard

keyboard layouts see /system/usr/keylayout/

command to get events: getevent

Keymaps and Keyboard Input, a detailed
description

File Infos

  1. system.sfs - squash filesystem
  2. system.img - ext2 file Image
  3. ramdisk.img - gzip cpio file - extract in an empty folder with “gzip
    -d \< ramdisk.img |cpio -id”
  4. initrd.img - gzip cpio file - extract in an empty folder with “gzip
    -d \< initrd.img |cpio -id”

hand made changes on an usb-Stick Android 1.6 r2

File content of an usb-stick

  1. ├── android-system
  2. │   ├── initrd.img
  3. │   ├── install.img
  4. │   ├── kernel
  5. │   ├── ramdisk.img
  6. │   └── system.sfs
  7. ├── android-x86.xpm.gz
  8. ├── cmdline
  9. ├── grub4dos
  10. ├── kernel -> grub4dos
  11. ├── lost+found
  12. ├── menu.lst
  13. └── ramdisk
  14. .
  15. 2 directories, 11 files

steps to change files in system.sfs (system.img)

  1. * Ubuntu 10.4 box
  2. * change to shell, press strg+alt+F1
  3. * sudo -i
  4. * aptitude and install squashfs-tools
  5. * modprobe squashfs
  6. * cd /home/administrator
  7. * copy system.sfs (squash file system) to harddisk, in /home/administrator
  8. * mkdir systemsfs
  9. * mount ./system.sfs ./systemsfs -t squashfs -o loop
  10. * copy ./systemsfs/system.img /home/administrator/
  11. * mkdir systemimg
  12. * mount ./system.img ./systemimg -t ext2 -o loop

now cd to systemimg directory and make the changes

eg. change *.kl files for sound F7 (scanncode=65) = mute; F8
(scanncode=66) = volume_down; F9 (scanncode=67) = volume_up

  1. * cd usr/keylayout
  2. * vi *.kl
  3. * change lines
  4.   key 113   VOLUME_MUTE
  5.   key 114   VOLUME_DOWN
  6.   key 115   VOLUME_UP
  8.   key 65   VOLUME_MUTE
  9.   key 66   VOLUME_DOWN
  10.   key 67   VOLUME_UP

sound

s.

  1. http://wiki.archlinux.org/index.php/Advanced_Linux_Sound_Architecture
  2. http://www.alsa-project.org/main/index.php/Main_Page

yaffs2 - filesystem

  1. * download unyaffs2 http://code.google.com/p/yaffs2utils/downloads/list s. description http://code.google.com/p/yaffs2utils/ ; extract to yaffs2util
  2. * download snapshot as described in http://yaffs.net/node/346, extract the source file to directory yaffs2
  3. * change ~/yaffs2util/Makefile with vi and set "KERNELDIR   = /usr/src/linux-headers-2.6.32-21" ; depending on the location of your header files
  4. * execute make
  5. * goto subfolder ~/yaffs2util/src and copy mkyaffs2 and unyaffs2 to /home/administrator/bin
  6. * execute: PATH=$PATH:/home/administrator/bin
  7. *

http://androidoniphone.blogspot.com/2010/04/install-android-on-iphone-guide.html
http://android-dls.com/wiki/index.php?title=Main_Page

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