# wx.getSystemInfoAsync(Object object)

Start from base library version 2.14.1. Please remaining backward compatible.

with Promise style call: Not supported

Mini Program plugin: Not supported

Get system information asynchronously. Need some WeChat client version support, in the unsupported client, will use synchronization to return.

# parameter

# Object object

attribute	type	Required	Introductions
success	function	no	Interface calls the successful callback function
fail	function	no	Interface calls failed callback functions
complete	function	no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

# object.success callback

# parameter

# Object res

attribute	type	Introductions	Minimum version
brand	string	Equipment brand	1.5.0
model	string	Device model. New models will show unknown for a while, WeChat will adapt as soon as possible.
pixelRatio	number	Device pixel ratio
screenWidth	number	Screen width, in px	1.1.0
screenHeight	number	Screen height, in px	1.1.0
windowWidth	number	Available window width, unit px
windowHeight	number	Available window height, in px
statusBarHeight	number	Height of status bar in px	1.9.0
language	string	Language of WeChat settings
version	string	WeChat version number
system	string	Operating System and Version
platform	string	Client platform
fontSizeSetting	number	User font size in px. WeChat ClientI - Settings - Universal - Font SizeThe settings in	1.5.0
SDKVersion	string	Client base library version	1.1.0
benchmarkLevel	number	Equipment Performance Level (only Android）。 Values are: -2 or 0 (the device cannot run games), -1 (performance unknown),>= 1 (Device Performance Value, higher the value, better device performance, currently up to less than 50)	1.8.0
albumAuthorized	boolean	Allow WeChat to use the Photo Album switch (only iOS Effective)	2.6.0
cameraAuthorized	boolean	Switch that allows WeChat to use the camera	2.6.0
locationAuthorized	boolean	Allow WeChat to use location switch	2.6.0
microphoneAuthorized	boolean	Switch allowing WeChat to use microphone	2.6.0
notificationAuthorized	boolean	Switch that allows WeChat notifications	2.6.0
notificationAlertAuthorized	boolean	Allow WeChat to notify switches with reminders (only iOS Effective)	2.6.0
notificationBadgeAuthorized	boolean	Allow WeChat notifications with marked switches (only iOS Effective)	2.6.0
notificationSoundAuthorized	boolean	Allow WeChat to notify switches with sound (only iOS Effective)	2.6.0
phoneCalendarAuthorized	boolean	Switch that allows WeChat to use the calendar	2.19.3
bluetoothEnabled	boolean	Bluetooth System Switch	2.6.0
locationEnabled	boolean	Geographic Location System Switch	2.6.0
wifiEnabled	boolean	Wi-Fi System switch	2.6.0
safeArea	Object	A safe area in the positive direction of the vertical screen	2.7.0
locationReducedAccuracy	boolean	`true` Represents fuzzy positioning,`false` For precise positioning, only iOS Support
theme	string	System current theme, with a value of`light`or`dark`, global configuration`'darkmode': true`Can be obtained when otherwise undefined (Small games not supported)	2.11.0
host	Object	Host environment for current Mini Programs	2.12.3
enableDebug	boolean	Whether debugging is turned on. Available from the top right menu or wx.setEnableDebug Turn on debugging.	2.15.0
deviceOrientation	string	Equipment direction

safeArea Structure

attribute	type	Introductions
left	number	Upper left abscissa of security area
right	number	Security area lower right abscissa
top	number	Top-left ordinate of security area
bottom	number	Lower right ordinate of security area
width	number	Width of security area, unit logical pixels
height	number	Height of Safe Area, Unit Logical Pixels

theme Legal value

value	Introductions	Minimum version
dark	Dark theme
light	Light color theme

host Structure

attribute	type	Introductions
appId	string	host app Corresponding appId

deviceOrientation Legal value

value	Introductions	Minimum version
portrait	Vertical screen
landscape	Horizontal screen

# sample code

Preview with Developer Tool

wx.getSystemInfoAsync({
  success (res) {
    console.log(res.model)
    console.log(res.pixelRatio)
    console.log(res.windowWidth)
    console.log(res.windowHeight)
    console.log(res.language)
    console.log(res.version)
    console.log(res.platform)
  }
})