Android file read and write examples

1 ImportJava.io.FileInputStream;2 Importjava.io.FileNotFoundException;3 ImportJava.io.FileOutputStream;4 Importjava.io.IOException;5 Importorg.apache.http.util.EncodingUtils;6 7  Public classMylogfile {8       Private StaticFileOutputStream Fout;9        PublicMylogfile () {Ten       }  One  A        Public Static voidCreateFile () { -            Try { -Fout =NewFileOutputStream ("/mnt/sdcard/zyrpad.txt"); the                 //fout = openfileoutput ("/mnt/sdcard/zyrpad.txt", Mode); -}Catch(FileNotFoundException e) { - e.printstacktrace (); -           }  +      }  -  +      //files written under the/mnt/sdcard/directory A       Public Static voidWritefilesdcard (String message) { at            Try{  -                  //FileOutputStream fout = Openfileoutput (FileName, mode_private); -message= message+ "\ n"; -                 byte[] bytes =message.getbytes (); - fout.write (bytes); -}Catch(Exception e) { in e.printstacktrace (); -            } to       } +  -       //read the file below the/mnt/sdcard/directory the        Publicstring Readfilesdcard (String fileName) { *String res= ""; $             Try{ Panax NotoginsengFileInputStream fin =NewFileInputStream (fileName); -                   intLength =fin.available (); the                   byte[] buffer =New byte[length]; + fin.read (buffer); Ares = encodingutils.getstring (buffer, "UTF-8");  the fin.close (); +}Catch(Exception e) { - e.printstacktrace (); $             } $             returnRes; -       }  -  the       /*** Close File stream*/  -        Public Static voidCloseFile () {Wuyi             Try { the fout.close (); -}Catch(IOException e) { Wu e.printstacktrace (); -             } About       }  $}

The call is simple:
Mylogfile.createfile ();//Create File
Mylogfile.writefilesdcard ("------------write text to File----------------");

When you're done, remember to close it:
Mylogfile.closefile ()

Android file read and write examples