Skip to main content

Set screen brightness (device.set_brightness)

Declaration​

device.set_brightness(val)

Parameters​

  • val
    Number. Set device backlight brightness, range 0.0 ~ 1.0

Notes​

This call will turn off system auto-brightness adjustment

Example​

sys.toast(device.brightness())
for i = 1, 10 do
    device.set_brightness(i/10)
    sys.msleep(200)
end
for i = 10, 5, -1 do
    device.set_brightness(i/10)
    sys.msleep(200)
end

Note: Uses functions outside this chapter sys.toast, sys.msleep