Android TXT file read/write (read resource file, read private and SD file method)

Import Java.io.FileInputStream; Import Java.io.FileOutputStream; Import Java.io.InputStream; Import Org.apache.http.util.EncodingUtils;  Import android.app.Activity; public class FileAccess {/** *, file access under Private folder (/data/data/package name/files) * * @param fileName * @param mess Age */public void Writefiledata (string fileName, String message) {try {FileOutputStream fou             t = openfileoutput (fileName, mode_private);             byte[] bytes = Message.getbytes ();             Fout.write (bytes);         Fout.close ();         } catch (Exception e) {e.printstacktrace (); }}/** *//Read file under./data/data/Package Name/files/* * @param fileName * @return */public String R         Eadfiledata (String fileName) {String res = "";             try {fileinputstream fin = openfileinput (fileName);             int length = fin.available ();             byte[] buffer = new Byte[length]; Fin.read (buffer);            res = encodingutils.getstring (buffer, "UTF-8");         Fin.close ();         } catch (Exception e) {e.printstacktrace ();     } return res; }/** * Write, read sdcard directory files, to use FileOutputStream, can not be used Openfileoutput * different points: Openfileoutput is compiled in raw, Fileoutputstrea M is any file can be * @param fileName * @param message *///////write the file under the/mnt/sdcard/directory public void Writefilesdcard (S Tring filename, String message) {try {//FileOutputStream Fout = openfileoutput (filename, Mode_priva             TE);             FileOutputStream fout = new FileOutputStream (fileName);             byte[] bytes = Message.getbytes ();             Fout.write (bytes);         Fout.close ();         } catch (Exception e) {e.printstacktrace ();         }}//Read the file under the/mnt/sdcard/directory public string Readfilesdcard (string fileName) {String res = ""; try {fileinputstream fin = new FileInputStream (fileName);             int length = fin.available ();             byte[] buffer = new Byte[length];             Fin.read (buffer);             res = encodingutils.getstring (buffer, "UTF-8");         Fin.close ();         } catch (Exception e) {e.printstacktrace ();     } return res; }/** * Second, get the file from the Raw folder in resource and read the data (resource file can only read and write) * * @param fileinraw * @return */Public S         Tring Readfromraw (int fileinraw) {String res = "";             try {InputStream in = Getresources (). Openrawresource (Fileinraw);             int length = in.available ();             byte[] buffer = new Byte[length];             In.read (buffer);             res = encodingutils.getstring (buffer, "GBK");             res = new String (buffer, "GBK");         In.close ();         } catch (Exception e) {e.printstacktrace ();     } return res; }/** * Three, get the file from the asset and read the data (resource file can only read and write) * * @param fileName    * @return */public string Readfromasset (string fileName) {String res = "";             try {InputStream in = Getresources (). Getassets (). open (FileName);             int length = in.available ();             byte[] buffer = new Byte[length];             In.read (buffer);         res = encodingutils.getstring (buffer, "UTF-8");         } catch (Exception e) {e.printstacktrace ();     } return res; }    }

Android TXT file read/write (read resource file, read private and SD file method)