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Ubuntu : Java alternatives

Ubuntu will include openJDK by default. If you install some other version or Sun JDK, then the first installation is set to be the default one. To check if there are any other java installations: update-java-alternatives -l Change the default to any of them: update-java-alternatives -s NAME-OF-IT

Setting up / Working with Android Source code

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: Proxy (IF REQUIRED) Adding Repository 4. Install sun java 6 Install java Change the default version . 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/...