android 手机开发，的文件输入输出流，但是对xml文件的读写很简单。

android下对文件的操作，只要是输入输出流的使用，代码注释很详细，知识点也很透切。-android operation on the file, as long as the use of input and output streams, code comments in great detail, is also carrying out a thorough knowledge points.