Nope, the initial position is *before* the first row.
... which is why a loop like this loops over all rows, first included:
cursor = db.query(...)
while (cursor.moveToNext()) {
cursor.getString(...)
}
... and: Android cursors aren't kept open (as far as the database goes)
- query() preloads data from the database into memory before returning.
Many ListView's keep an Android cursor open for a long time, with no ill
effects. Managed cursors are kept open and repeatedly iterated and
requeried, as well. ( these two cases are often combined )
-- Kostya
29.10.2011 0:24, lbendlin пишет:
there is no need to use cursor.moveToFirst() when you open the cursor
the first time. It already is at the first row. You only need
moveToFirst() when you want to iterate through a recordset again.
Although I think if you need to do that then something's not right in
your app design. keeping cursors open asks for trouble.
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