Monday, June 17, 2013

Setting up / Working with Android Source code

ubuntuandroid

1. Install Ubuntu 10.04, as the Android root is built on it.

2. Update the system - Run Update manager and install new packages

3. Update the system settings:
4. Install sun java 6
5. Installing required packages:
sudo apt-get install git-core gnupg flex bison gperf build-essential \zip curl zlib1g-dev libc6-dev lib32ncurses5-dev ia32-libs \x11proto-core-dev libx11-dev lib32readline5-dev lib32z-dev \libgl1-mesa-dev g++-multilib mingw32 tofrodos python-markdown \libxml2-utils xsltproc
6. Upgrade git
7. Installing Repo:
mkdir ~/bin
PATH=~/bin:$PATH
curl https://dl-ssl.google.com/dl/googlesource/git-repo/repo > ~/bin/repo
chmod a+x ~/bin/repo
8. Initialising a Repo client:
mkdir WORKING_DIRECTORY
cd WORKING_DIRECTORY
repo init -u https://android.googlesource.com/platform/manifest -b android-4.0.1_r1
If any error saying "HTTP request failed", open file "~/bin/repo" and change "https" in the beginning to "http".
If the error "GnuTLS recv error (-9): A TLS packet with unexpected length was received" occurs, try http instead of https above. i.e.,
repo init -u http://android.googlesource.com/platform/manifest -b android-4.0.1_r1

9. Download Android Source
repo sync
10. Add Git tags:
$ gpg --import
Copy and paste the following code and press Ctrl-D:

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.4.2.2 (GNU/Linux)

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=Wi5D
-----END PGP PUBLIC KEY BLOCK-----
11. Setup ccache:
export USE_CCACHE=1
export CCACHE_DIR=<path-to-your-cache-directory>
prebuilts/misc/linux-x86/ccache/ccache -M 50G
12. Initialize the build:
$ . build/envsetup.sh
13. Choose the target:
$ lunch full-eng
14. Build the code: (-j4 : 4 threads. Change the value as per your system configuration)
$ make -j4
15. Run:
$ emulator