Linux,android basic knowledge summary-The summary of Basic knowledge for android

一篇关于Android基础知识考试的试卷，我感觉还不错，而且带答案！-A basic knowledge about Android exam papers, I feel pretty good, but with the answer!

Android 串口编程原理和实现方式(附源码) 串口编程需要了解的基本知识点：对于串口编程，我们只需对串口进行一系列的设置，然后打开串口，这些操作我们可以参考串口调试助手的源码进行学习。-Android serial programming principles and implementation (with source) Serial Programming basic knowledge you need to know: For serial programming, we