1, setup the bin directory in you home directory and include in your path,
$ mkdir ~/bin $ PATH=~/bin:$PATH
2, download the repo tool and make sure it is executable
$ curl https://storage.googleapis.com/git-repo-downloads/repo > ~/bin/repo $ chmod a+x ~/bin/repo
3, make the working directory and download the branch,
$ mkdir WORKING_DIRECTORY $ cd WORKING_DIRECTORY
$ repo init -u https://android.googlesource.com/platform/manifest -b android-4.4.3_r1.1
$ repo sync
this will take huge amount of time and occupy your space as large as 30G, I just left it there overnight running.
4, make and compile the source code.
it will take huge amount of time to complete the building.
Problem encountered, open JDK cannot be supported, needs Oracle JDK, and Android build error due to incorrect java version
sudo apt-get purge openjdk*
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java6-installer
you can use this command to choose different version java JDK to use,
sudo update-alternatives --config java
5, start the emulator.
Problem encountered, cannot find the emulator, needs to build up the environment again,
. build/envsetup.sh set_stuff_for_environment
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