Build Android

Introduces how to build and pack uboot, kernel, aosp and so on.

Set up Environment

For Ubuntu >= 15.04 ,use Open JDK

sudo apt-get update
sudo apt-get install openjdk-8-jdk

Download Radxa Android SDK

Radxa Android SDK contains hundreds of Git repositories, it use repo to download

Repo

Repo is a tool used in Android development to manage multiple Git repositories. It is a Python script that facilitates developers to version control and manage multiple Git libraries.

Download Repo

$ echo "export REPO_URL='https://storage.googleapis.com/git-repo-downloads/repo'" >> ~/.bashrc
$ source ~/.bashrc
$ curl https://storage.googleapis.com/git-repo-downloads/repo -o /tmp/repo
$ sudo cp /tmp/repo /usr/local/bin/repo
$ sudo chmod +x /usr/local/bin/repo

Download Code

$ repo init -u https://github.com/radxa/manifests -b Android13_RK3528 -m radxa.xml
$ repo sync -d --no-tags -j4

Build Android

There are two ways to build android.

Method I (recommended)

Build and pack the image in one command.

radxa:rock-android13 $ source build/envsetup.sh
radxa:rock-android13 $ lunch rk3528_rock_2a-userdebug
radxa:rock-android13 $ . /build.sh -UACKu
# get images from rockdev directory

Wait for the building to complete and you will find the images in the rockdev directory.

Method II

Build the image step by step.

1. set up the environment

radxa:rock-android13 $ source build/envsetup.sh
radxa:rock-android13 $ lunch rk3528_rock_2a-userdebug

2. build U-boot

radxa:rock-android13 $ . /build.sh -U

3. build kernel

radxa:rock-android13 $ . /build.sh -CK

4. build AOSP

radxa:rock-android13 $ . /build.sh -A

5. Pack Image

radxa:rock-android13 $ . /build.sh -u