Install SDK
Install sdk following this URL from AGL website.
http://docs.automotivelinux.org/docs/getting_started/en/dev/reference/setup-sdk-environment.html
Download source code
Download launcher source code from AGL gerrit.
$ git clone https://gerrit.automotivelinux.org/gerrit/apps/launcher
Build launcher application
Source SDK envirment and make.
$ source /xdt/sdk/environment-setup-<your_target>
$ cd launcher
$ mkdir build
$ cd build
$ qmake ..
$ make
Install launcher wgt
$ scp package/launcher.wgt root@<your_target_ip>
$ ssh root@<your_target_ip>
$ afm-util install launcher
Reboot target board and launcher application will start by default.