SD卡读写文件


try {

File f = new File(

android.os.Environment.getExternalStorageDirectory()

+ "/aaa.txt");

String str = "this is a test about Write SD card file";

FileOutputStream fileOS = new FileOutputStream(f);

fileOS.write(str.getBytes());

fileOS.close();

BufferedWriter buf = new BufferedWriter(new OutputStreamWriter(

fileOS));

buf.write(str, 0, str.length());

buf.flush();

buf.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}