local arguments =
{
        { x=50, y=10, w=100, h=100, r=10, red=255, green=0, blue=128 },
        { x=10, y=50, w=100, h=100, r=10, red=0, green=128, blue=255 },
        { x=90, y=90, w=100, h=100, r=10, red=255, green=255, blue=0 }
}
 
local function printTouch( event )
        if event.target then 
                local bounds = event.target.stageBounds
                print( "event(" .. event.phase .. ") ("..event.x..","..event.y..") bounds: "..bounds.xMin..","..bounds.yMin..","..bounds.xMax..","..bounds.yMax )
        end 
end
 
local function onTouch( event )
        local t = event.target
 
        -- Print info about the event. For actual production code, you should
        -- not call this function because it wastes CPU resources.
        printTouch(event)
 
        local phase = event.phase
        if "began" == phase then
                -- Make target the top-most object
                local parent = t.parent
                parent:insert( t )
                display.getCurrentStage():setFocus( t )
 
                -- Spurious events can be sent to the target, e.g. the user presses 
                -- elsewhere on the screen and then moves the finger over the target.
                -- To prevent this, we add this flag. Only when it's true will "move"
                -- events be sent to the target.
                t.isFocus = true
 
                -- Store initial position
                t.x0 = event.x - t.x
                t.y0 = event.y - t.y
        elseif t.isFocus then
                if "moved" == phase then
                        -- Make object move (we subtract t.x0,t.y0 so that moves are
                        -- relative to initial grab point, rather than object "snapping").
                        t.x = event.x - t.x0
                        t.y = event.y - t.y0
                elseif "ended" == phase or "cancelled" == phase then
                        display.getCurrentStage():setFocus( nil )
                        t.isFocus = false
                end
        end
 
        -- Important to return true. This tells the system that the event
        -- should not be propagated to listeners of any objects underneath.
        return true
end
 
-- Iterate through arguments array and create rounded rects (vector objects) for each item
for _,item in ipairs( arguments ) do
        local button = display.newRoundedRect( item.x, item.y, item.w, item.h, item.r )
        button:setFillColor( item.red, item.green, item.blue )
        button.strokeWidth = 6
        button:setStrokeColor( 200,200,200,255 )
 
        -- Make the button instance respond to touch events
        button:addEventListener( "touch", onTouch )
end
 
-- listener used by Runtime object. This gets called if no other display object
-- intercepts the event.
local function printTouch2( event )
        print( "event(" .. event.phase .. ") ("..event.x..","..event.y..")" )
end
 
Runtime:addEventListener( "touch", printTouch2 )