Modify records in SQLite in ANDROID

For COMPLETE TUTORIALS see here :
in DABASEHELPER CLASS :

 ContentValues cvupdate = new ContentValues(); // Bundle for writting the database fields
 cvupdate.put(KEY_NAME, namestr);// put the values passed to ContentValues
 cvupdate.put(KEY_NICKNAME, nickstr);// put the values passed to ContentValues
 db.update(DATABASE_TABLE, cvupdate, KEY_ROWID + "=" + smodify, null);// specify where to be changed

in sqlite.java :

   String Namestr = editName.getText().toString();
   String Nickstr = editNickName.getText().toString();
   String smodify =editinfo.getText().toString();
   long lmodify =Long.parseLong(smodify);
   DBAdapter adaptmodify =new DBAdapter(SQliteExample.this);
   adaptmodify.open();
   adaptmodify.updateentry(lmodify,Namestr,Nickstr); // pass index and new values to be inserted
   adaptmodify.close();