www.gusucode.com > Android SD卡相关操作范例源码程序 > README.txt

    Android SD卡相关操作范例，获取SD卡对应的存储目录，获取指定文件对应的输入流，将指定输入流包装成BufferedReader，以指定文件创建RandomAccessFile对象，将文件记录指针移动到最后，输出文件内容。//如果手机插入了SD卡，而且应用程序具有访问SD的权限：
Android SD card related operation examples, get the storage directory corresponding to the SD card, get the input stream corresponding to the specified file, wrap the specified input stream into a BufferedReader, create a RandomAccessFile object with the specified file, move the file record pointer to the end, and output the file content. // If the phone has an SD card inserted and the application has access to SD: