I am trying to have a UIPickerView where the second column will depend on what's chosen in the first column.
For example: Suppose the first column has the fruits Apple, Orange, Pear.
If i select Apple in the first column I want the second column to list (Fuji, Granny Smith, Red Delicious). For Orange I want the second column to become (Blood, Navel, Valencia)
How can this be made to work? Also, is it a good idea with regards to Human Interface Guide