local Settings = luajava.bindClass("android.provider.Settings$System")
local context = activity or service
local contentResolver = context.getContentResolver()
local currentBrightness = Settings.getInt(contentResolver, "screen_brightness", 128)
if currentBrightness==255
Settings.putInt(contentResolver, "screen_brightness",22)
else
Settings.putInt(contentResolver, "screen_brightness",255)
end
return true