I have the following sampler code for Slider, which is throwing error.
local widget = require( “widget” )
– Slider listener
local function sliderListener( event )
local slider = event.target
local value = event.value
print( "Slider at " … value … “%” )
end
local slider
local function setslider()
local bg = display.newImage(“BG.png”)
slider = widget.newSlider ({
top = 200,
left = 50,
width = 200,
– listener = sliderListener
})
end
setslider()
ERROR while loading
Runtime error
?:0: attempt to index a nil value
stack traceback:
[C]: ?
?: in function ‘new’
?: in function <?:2530>
(tail call): ?
/Users/dev/Documents/LevelBuilder/main.lua:16: in function ‘setslider’
/Users/dev/Documents/LevelBuilder/main.lua:25: in main chunk
Runtime error: ?:0: attempt to index a nil value
stack traceback:
[C]: ?
?: in function ‘new’
?: in function <?:2530>
(tail call): ?
/Users/dev/Documents/LevelBuilder/main.lua:16: in function ‘setslider’
/Users/dev/Documents/LevelBuilder/main.lua:25: in main chunk
can some one help me what is the issue.