Build Android

1. Install the SW package and libraries as the PDF.
   1.1 if fail, update source list
   https://forum.ubuntu.org.cn/viewtopic.php?t=268843
   https://blog.csdn.net/huangshizeng/article/details/6933409 无法找到软件包 libncurses5-dev 的解决方法

   sudo apt-get install libncurses5:i386 (http://blog.sina.com.cn/s/blog_66c16c980101g5qj.html)

   https://wiki.ubuntu.org.cn/%E6%A8%A1%E6%9D%BF:18.04source

or https://blog.csdn.net/qq_35697211/article/details/69946621 (update 163 source first)
https://blog.csdn.net/u011089570/article/details/76546430

1. install Open JDK 1.8 or Oracle JDK1.8
   http://wiki.jikexueyuan.com/project/android-actual-combat-skills/switch-jdk-version-under-ubuntu.html
   https://askubuntu.com/questions/740757/switch-between-multiple-java-versions
   https://www.jianshu.com/p/367f0886e62b