Scan

Supports both single scan and continuous scan modes.

Parameters

Property	Type	Default Value	Required	Description
mode	Int	-	Yes	Scan mode: 1 for single scan, 2 for continuous scan
desiredFormats	String	null	No	Supported barcode formats. Pass null or leave it empty to support all formats
prompt	String		No	Text prompt displayed on the scan interface.
cameraId	Int	0	No	Camera ID, 0 for rear camera, 1 for front camera
beepEnabled	Boolean	false	No	Enables scanning sound
timeout	Int	5000	No	Timeout duration for single scan (in milliseconds)
barcodeImageEnabled	Boolean	false	No	Enables barcode image generation
x	Int	0	No	x-coordinate for the scan interface display
y	Int	0	No	y-coordinate for the scan interface display
width	Int	0	No	Width of the scan interface
height	Int	0	No	Height of the scan interface

Example

Single Scan

 window.BarcodeScanner.scan( {
        mode: 1,
        desiredFormats: "QR_CODE,UPC_A,UPC_E,EAN_8,EAN_13", 
        prompt: "请将条形码置于取景框内扫描", 
        cameraId: 0, 
        beepEnabled: true, 
        timeout: 10000, 
        barcodeImageEnabled: true 
    },
    function (response) {
        alert(JSON.stringify(response));
    },
    function (error) {
        alert(JSON.stringify(error));
    }
);

Continuous scan

 window.BarcodeScanner.scan({
        mode: 2,
        desiredFormats: "CODE_128",
        prompt: "请将条形码置于取景框内扫描", 
        cameraId: 0, 
        beepEnabled: true,
        y: 0,
        height: 300
    },
    function (response) {
        console.log(JSON.stringify(response));
    },
    function (error) {
        alert(JSON.stringify(error));
    }
);