AutoIt Requires Chilkat v11.7.0+

Create a Wi-Fi QR Code

Demonstrates a QR code that joins a phone to a Wi-Fi network when scanned. A QR code only holds text. Phones recognize text of the form WIFI:T:;S:;P:;; and offer to join the network. T is WPA (also used for WPA2 and WPA3), WEP, or nopass for an open network, and H:true can be added for a hidden network. In the name and the password, the characters backslash, semicolon, comma, colon and double quote must each be preceded by a backslash.

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Local $bSuccess = False

;  This example requires the Chilkat API to have been previously unlocked.
;  See Global Unlock Sample for sample code.

$oJson = ObjCreate("Chilkat.JsonObject")
$oJson.UpdateString("payload.text","WIFI:T:WPA;S:Chilkat Guest;P:correct-horse-battery-staple;;")

;  Level Q, so that the code still scans when it is printed small or gets worn.
$oJson.UpdateString("encoding.qr.errorCorrection","Q")
$oJson.UpdateInt("render.moduleSize",8)

;  Say which network it is under the code.
$oJson.UpdateBool("render.text.enabled",True)
$oJson.UpdateString("render.text.value","Wi-Fi: Chilkat Guest")
$oJson.UpdateInt("render.text.scale",2)

$oJson.UpdateString("output.path","qa_output/qr_wifi.png")
$oJson.UpdateBool("output.overwrite",True)
$oJson.UpdateString("output.return","none")

$oFmt = ObjCreate("Chilkat.Formats")
$oJsonOut = ObjCreate("Chilkat.JsonObject")
$bSuccess = $oFmt.QrCode("generate",$oJson,$oJsonOut)
If ($bSuccess = False) Then
    ConsoleWrite($oFmt.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("file: " & $oJsonOut.StringOf("outputs[0].path") & @CRLF)
ConsoleWrite("QR version: " & $oJsonOut.IntOf("symbols[0].selectedEncoding.version") & @CRLF)
ConsoleWrite("image: " & $oJsonOut.IntOf("outputs[0].width") & " x " & $oJsonOut.IntOf("outputs[0].height") & " pixels" & @CRLF)

;  The image written to qa_output/qr_wifi.png:

;  

;  Sample output:

;  file: qa_output/qr_wifi.png
;  QR version: 5
;  image: 360 x 374 pixels