object.displayName

概述

由系统或终端用户赋予输入设备的名称。可用于向终端用户显示设备名称，例如在键/按钮绑定画面上。

在 Android 上，此名称将是制造商指定的產品名称，除非终端用户通过 Android 的 Bluetooth 设置畫面进行更改。

範例

-- Called when a key event has been received.
local function onKeyEvent( event )
    -- Fetch the device's display name.
    -- Note: The "device" property will be nil if the platform does not support input devices
    --       or if input came from software, such as a virtual keyboard.
    local deviceName = "Unknown Device"
    if event.device then
        deviceName = event.device.displayName
    end

    -- Print device information to the log.
    print( deviceName .. ": Pressed the '" .. event.keyName .. "' key " .. event.phase )
end

-- Set up the above function to receive key events.
Runtime:addEventListener( "key", onKeyEvent )