sudo apt-get install git
sudo apt-get install curl
mkdir ~/bin
PATH=~/bin:$PATH
curl https://dl-ssl.google.com/dl/googlesource/git-repo/repo > ~/bin/repo
chmod a+x ~/bin/repo
mkdir android_src
cd android_src
repo init -u https://android.googlesource.com/platform/manifest
repo init -u https://android.googlesource.com/platform/manifest -b android-4.2.2_r1
repo sync