Using String[] selectionArgs in SQLiteDatabase.query()

Solution 1:

selectionArgs replace any question marks in the selection string.

for example:

String[] args = { "first string", "[email protected]" };
Cursor cursor = db.query("TABLE_NAME", null, "name=? AND email=?", args, null);

as for your question - you can use null

Solution 2:

Yes, you may set all parameters to null except the table name.

for example:

Cursor cursor = db.query("TABLE_NAME", null, null, null, null, null, null);