Android column '_id' does not exist?

Question

I\'m having trouble with something that works in the Notepad example. Here\'s the code from the NotepadCodeLab/Notepadv1Solution:

String[] from = new String[         


        

Answer 1

This has been answered and I would like to make it more comprehensive here.

SimpleCursorAdapter requires that the Cursor's result set must include a column named exactly "_id". Don't haste to change schema if you didn't define the "_id" column in your table. SQLite automatically added an hidden column called "rowid" for every table. All you need to do is that just select rowid explicitly and alias it as '_id' Ex.

SQLiteDatabase db = mHelper.getReadableDatabase();      
Cursor cur =  db.rawQuery( "select rowid _id,* from your_table", null);