--widget.newPickerWheel( [params] )
-- localize a couple variables prior to use
local myPicker, doneButton
 
-- button event handler
local onDone = function( event )
        -- get values from picker wheel
        local m = myPicker.col1.value
        local d = myPicker.col2.value
        local y = myPicker.col3.value
 
        -- Print the results to the terminal:
        print( m .. " " .. d .. ", " .. y )
 
        -- remove the button
        display.remove( doneButton )
        doneButton = nil
 
        -- remove the picker wheel
        display.remove( myPicker )
        myPicker = nil
end
 
-- Create the picker widget:
myPicker = widget.newPickerWheel{ preset="usDate", startDay=19, startMonth=2, startYear=2011 }
 
-- Place picker wheel at bottom of iPhone screen:
--myPicker.y = display.contentHeight - myPicker.height
 
-- Create a "Done" ui button widget to capture picker selection:
doneButton = widget.newButton{ label="Done", onRelease=onDone }
doneButton:setReferencePoint( display.CenterRightReferencePoint )
doneButton.x = display.contentWidth - 5
doneButton.y = 22
 
local pickerColumn = {
data = {"Item #1","Item #2","Item #3","Item #4","Item #5","Item #6","Item #7","Item #8","Item #10"},width = 100
}
 
local someGroup = display.newGroup()
local myPicker = widget.newPickerWheel{ preset="usDate" }
 
-- WRONG:
someGroup:insert( myPicker )    --> will produce an error
 
-- CORRECT:
someGroup:insert( myPicker.view )
 
print( myPicker.col1.value )
 
print( myPicker.col2.value )
 
print( myPicker.col3.value )
 
myPicker:removeSelf()
myPicker = nil
 
-- or
 
display.remove( myPicker )
myPicker = nil
        
 myPicker:removeSelf()
myPicker = nil
 
-- or
 
display.remove( myPicker )
myPicker = nil