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hi all..
i m very new to android development...i have created one app which works well for inserting into and selecting data from database...
but i don't know how to update data in database...
here is code i have tried...but get NullPointerException...

if (v.getId()
            Cursor value = null ;

            String name=value.getString(value.getColumnIndex("name"));
             String pass=etpass.getText().toString();
             String uname=etuname.getText().toString();
            long update=dbAdaptert.updateTest(name, uname, pass);
                Toast.makeText(getApplicationContext(), "Data updated",Toast.LENGTH_LONG).show();
                Toast.makeText(getApplicationContext(), "Data not updated",Toast.LENGTH_LONG).show();

Posted 21-Feb-13 23:30pm
Edited 22-Feb-13 4:25am

1 solution

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Solution 1

there is a update command for that:

android.database.sqlite.SQLiteDatabase. update (String table, ContentValues values, String whereClause, String[] whereArgs)[^]

please also take a look at the great tutorial by Lars Vogel upon working with SQlite in Android:[^]

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