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Device Module

Device Module - device​

Reset Auto Lock Timer (device.reset_idle)​

Declaration​

device.reset_idle()

Description​

Resets the auto lock timer (keeps the screen awake).

Performance

It is not recommended to use this function too frequently. Excessive usage (more than 10 times per second) may cause service or system crashes.

Example​

device.reset_idle
thread.dispatch(function()
  while 1 do
    device.reset_idle()
    sys.msleep(29 * 1000)
  end
end)  -- Dispatch a task to reset the IDLE timer every 29 seconds

Lock and Unlock Screen (device.lock,unlock_screen/device.is_screen_locked)​

Declaration​

device.lock_screen()                -- Lock the screen
device.unlock_screen([ Lock Password ])    -- Unlock the screen
is_locked = device.is_screen_locked()  -- Get screen lock status

Parameters and Return Values​

  • Lock Password
    • string, optional, leave empty if no lock password is set
  • is_locked boolean

Example​

device.is_screen_locked
if device.is_screen_locked() then
  -- Screen is locked
else
  -- Screen is unlocked
end

Get Foreground App Orientation (device.front_orien)​

Declaration​

orientation = device.front_orien()

Parameters and Return Values​

  • orientation integer
    • Returns 0 if home is at the bottom
    • Returns 1 if home is on the right
    • Returns 2 if home is on the left
    • Returns 3 if home is at the top
    • Returns 4 if an error occurred

Example​

device.front_orien
sys.toast('This message will display in the orientation of the foreground app', device.front_orien())

Lock and Unlock Device Screen Rotation (device.lock,unlock_orien/device.is_orien_locked)​

Declaration​

device.lock_orien()                -- Lock screen rotation
device.unlock_orien()              -- Unlock screen rotation
is_locked = device.is_orien_locked()  -- Get screen rotation lock status

Parameters and Return Values​

  • is_locked boolean

Example​

device.is_orien_locked
if device.is_orien_locked() then
  -- Screen rotation is locked
else
  -- Screen rotation is not locked
end

Vibrate Device (device.vibrator)​

Declaration​

device.vibrator()

Description​

Vibrate the device (devices without a vibration motor cannot vibrate).

Play Sound in Background (device.play_sound)​

Declaration​

device.play_sound(Sound File Path[, Play Asynchronously])

Parameters and Return Values​

  • Sound File Path
    • string, absolute path of the sound file, supports mp3, wav, aac, etc.
  • Play Asynchronously
    • boolean, optional, defaults to false (synchronous playback) if not specified

Description​

Play a sound in the background.

note

When this function is called asynchronously, it does not affect script execution. The sound will stop when the script ends. If the script needs to play the full sound, ensure a delay before exiting.

Example​

device.play_sound
device.play_sound("/var/mobile/ten_years.mp3", true)  -- Play asynchronously
sys.msleep(205 * 1000)  -- Wait for 205 seconds (3 minutes 25 seconds)

Get Device Type (device.type)​

Declaration​

device_type = device.type()

Parameters and Return Values​

  • device_type
    • string, a string like "iPhone3,1"

Example​

device.type
if device.type() == "iPhone3,1" then
  -- It's an iPhone 4
end

Get and Set Device Name (device.name/device.set_name)​

Declaration​

device_name = device.name()   -- Get device name
device.set_name(device_name)  -- Set device name

Parameters and Return Values​

  • device_name string

Description​

The device name is the name set by the user in Settings → General → About.

Example​

device.name
device.set_name("iPhavonz")  -- Set device name to "iPhavonz"
sys.alert("The device name is: "..device.name())

Get Device UDID (device.udid)​

Declaration​

udid = device.udid()

Parameters and Return Values​

  • udid string

Description​

UDID Reference

Example​

device.udid
sys.alert("The device UDID is: "..device.udid())

Get Device Serial Number (device.serial_number)​

Declaration​

serial_number = device.serial_number()

Parameters and Return Values​

  • serial_number string

Example​

device.serial_number
sys.alert("The device serial number is: "..device.serial_number())

Get Device Wi-Fi MAC Address (device.wifi_mac)​

Declaration​

wifi_mac = device.wifi_mac()

Parameters and Return Values​

  • wifi_mac string

Example​

device.wifi_mac
sys.alert("The device Wi-Fi MAC address is: "..device.wifi_mac())

Get Device Bluetooth MAC Address (device.bluetooth_mac)​

Declaration​

bluetooth_mac = device.bluetooth_mac()

Parameters and Return Values​

  • bluetooth_mac string

Get All Interface IPs of the Device (device.ifaddrs)​

Declaration​

interface_info_array = device.ifaddrs()

Parameters and Return Values​

  • interface_info_array
    • list, structure as follows
{ {"Interface1", "IP1"}, {"Interface2", "IP2"}, ... }

Description​

Get all interface IPs of the device.

Example​

device.ifaddrs
-- Get the Wi-Fi IP of the device
local ip = "Wi-Fi is off"
for i,v in ipairs(device.ifaddrs()) do
  if (v[1]=="en0") then
    ip = v[2]
  end
end
sys.alert(ip)

Get Current Device Battery Level (device.battery_level)​

Declaration​

battery_level = device.battery_level()

Parameters and Return Values​

  • battery_level
    • float, remaining battery level, range 0.0 ~ 1.0

Example​

device.battery_level
sys.alert("Current device battery level: "..(device.battery_level() * 100).."%")

Get Current Device Charging State (device.battery_state)​

Declaration​

charging_state = device.battery_state()

Parameters and Return Values​

  • charging_state string
    • Returns "Full" if connected to power and fully charged
    • Returns "Charging" if connected to power and charging
    • Returns "Unplugged" if not connected to power
    • Returns "Unknown" if the state is unknown

Example​

device.battery_state
state_table = {
  Full = "Connected and fully charged",
  Charging = "Connected and charging",
  Unplugged = "Not connected to power",
  Unknown = "Unknown state",
}
--
sys.alert("Current device charging state: "..state_table[device.battery_state()])

Turn On/Off Device Wi-Fi (device.turn_on,off_wifi)​

Declaration​

device.turn_on_wifi()          -- Turn on Wi-Fi
device.turn_off_wifi()         -- Turn off Wi-Fi
is_on = device.is_wifi_on()    -- Get Wi-Fi status

Parameters and Return Values​

  • is_on boolean

Turn On/Off Device Cellular Data (device.turn_on,off_data)​

Declaration​

device.turn_on_data()         -- Turn on cellular data
device.turn_off_data()        -- Turn off cellular data
is_on = device.is_data_on()   -- Get cellular data status

Parameters and Return Values​

  • is_on boolean

Turn On/Off Device Bluetooth (device.turn_on,off_bluetooth)​

Declaration​

device.turn_on_bluetooth()         -- Turn on Bluetooth
device.turn_off_bluetooth()        -- Turn off Bluetooth
is_on = device.is_bluetooth_on()   -- Get Bluetooth status

Parameters and Return Values​

  • is_on boolean

Turn On/Off Device Airplane Mode (device.turn_on,off_airplane)​

Declaration​

device.turn_on_airplane()         -- Turn on airplane mode
device.turn_off_airplane()        -- Turn off airplane mode
is_on = device.is_airplane_on()   -- Get airplane mode status

Parameters and Return Values​

  • is_on boolean

Connect/Disconnect Current Selected VPN (device.turn_on,off_vpn)​

Declaration​

device.turn_on_vpn()         -- Connect to the currently selected VPN
device.turn_off_vpn()        -- Disconnect the currently connected VPN
is_on = device.is_vpn_on()   -- Get VPN status

Parameters and Return Values​

  • is_on boolean

Description​

  • Attempts to connect to the selected VPN. If none is selected, nothing happens.
  • Attempts to disconnect the currently connected VPN. If no VPN is connected or attempting to connect, nothing happens.
  • When the VPN is connecting (not yet connected), is_on is true.
tip

It is recommended to use the vpnconf module.

Example​

device.is_vpn_on
while true do
  local is_on, stat = device.is_vpn_on()
  if is_on then
    sys.toast(stat)
  else
    device.turn_on_vpn()
  end
end

Turn On/Off Device Flashlight (device.flash_on,off)​

Declaration​

success = device.flash_on()     -- Turn on flashlight
success = device.flash_off()    -- Turn off flashlight
is_on = device.is_flash_on()    -- Get flashlight status

Parameters and Return Values​

  • success
    • boolean, whether the device can turn on the camera and has flashlight hardware
  • is_on boolean

Description​

Turns on the device flashlight. The flashlight will automatically turn off when the script ends.

Example​

device.flash_off
if device.flash_off() then
  -- Device has a flashlight
else
  -- Device does not have a flashlight
end

Get and Set Backlight Brightness (device.brightness/device.set_brightness)​

Declaration​

brightness = device.brightness()   -- Get backlight brightness
device.set_brightness(brightness)  -- Set backlight brightness

Parameters and Return Values​

  • brightness
    • float, range 0.0 ~ 1.0

Description​

Setting the backlight brightness will disable the device’s auto-brightness adjustment feature.

Example​

device.set_brightness
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

Get and Set Auto Lock Time in Minutes (device.autolock_time/device.set_autolock_time)​

Declaration​

minutes = device.autolock_time()   -- Get auto lock time in minutes
device.set_autolock_time(minutes)  -- Set auto lock time in minutes

Parameters and Return Values​

  • minutes
    • integer, set <= 0 for never locking the screen

Description​

Can only be set to the minute levels available on the device.

Example​

device.set_autolock_time
device.set_autolock_time(0)  -- Never lock the screen

Set Device Volume (device.set_volume)​

Declaration​

device.set_volume(volume)

Parameters and Return Values​

  • volume
    • float, range 0.0 ~ 1.0

Example​

device.set_volume
device.set_volume(0)  -- Mute the device

Get and Set Device Mute State (device.is_mute_on/device.mute_on,off)​

Declaration​

is_mute = device.is_mute_on()  -- Get device mute state
device.mute_on()               -- Enable device mute
device.mute_off()              -- Disable device mute

Parameters and Return Values​

  • is_mute boolean

Scan Wireless Access Points (device.scan_wifi)​

Declaration​

access_points = device.scan_wifi()

Parameters and Return Values​

  • access_points
    • list, structure as follows
{ {"SSID1", "BSSID1"}, {"SSID2", "BSSID2"}, ... }

Join a Wireless Access Point (device.join_wifi)​

Declaration​

success = device.join_wifi(SSID, Password[, Security Type, Timeout])

Parameters and Return Values​

  • SSID string
  • Password string
  • Security Type enum, optional
    • 0 for open networks
    • 1 for password-protected networks (default if password is not empty)
  • Timeout
    • integer, optional, connection timeout in milliseconds, defaults to 5000 (5 seconds)

Description​

Blocks the script synchronously until the connection succeeds or fails.

Example​

device.join_wifi
joined = device.join_wifi('Tenda_9B3F', '12345678')
if joined then
  sys.toast('Successfully joined wireless access point Tenda_9B3F')
else
  sys.toast('Failed to join wireless access point Tenda_9B3F')
end

Leave or Forget Wireless Access Point (device.leave,forget_wifi)​

Declaration​

device.leave_wifi([ Forget ])  -- Leave wireless access point
device.forget_wifi(SSID)       -- Forget wireless access point

Parameters and Return Values​

  • Forget
    • boolean, optional, whether to forget the currently connected wireless access point, defaults to false (do not forget)
  • SSID string

Description​

Cannot directly forget the currently connected wireless access point using device.forget_wifi. It will reconnect and remember it.

Example​

device.leave_wifi
device.leave_wifi(true)  -- Leave and forget the currently connected wireless access point