HT4509 Barcode scanner app with international keyboard

Hi,
is there any barcode scanner app that can be used as an iternational keyboard:
it should allow to be added from settings
when this keyboard is selected, the camera should open, allowing to scan barcode, and using it in any app, as normal keyboard?
thx

barcode scanner is an electronic device for reading printed barcodes. Like a flatbed scanner, it consists of a light source, a lens and a light sensor translating optical impulses into electrical ones. Nearly all barcode readers contain decoder circuitry analyzing the barcode's image data

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Barcode Scanner app using Javascript for windows 8 tablet

I want to create a barcode scanner app in which i want to start the camera preview, and read the barcode. Is there any sample code? I have used the below code but its working only with windows desktop not working with tablet.
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element.style.position = 'absolute';
element.style.left = '0px';
element.style.top = '0px';
// element.style.zIndex = 2e9;
element.style.width = '100%';
element.style.height = '100%';
element.onclick = cancel;
document.body.appendChild(element);
console.log('- Camera element has been created!');
} else {
console.log('- DOM is ready!');
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if (!isVisible) {
isCancelled = false;
isVisible = true;
element.style.display = 'block';
element.src = URL.createObjectURL(sampler);
element.play();
// renders image
function render() {
console.log('- Sampling...');
var frame, canvas = document.createElement('canvas');
canvas.width = element.videoWidth;
canvas.height = element.videoHeight;
canvas.getContext('2d').drawImage(element, 0, 0, canvas.width, canvas.height);
frame = canvas.msToBlob().msDetachStream();
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// loads data stream
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Windows.Graphics.Imaging.BitmapDecoder.createAsync(buffer).done(function (decoder) {
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if (decoder) {
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decoder.getPixelDataAsync().then(
function onSuccess(pixelDataProvider) {
console.log('- Detaching pixel data...');
decodeBitmapStream(decoder, pixelDataProvider.detachPixelData());
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// decode pixel data
function decodeBitmapStream(decoder, rawPixels) {
console.log('- Decoding bitmap stream...');
var pixels, format, pixelBuffer_U8;
switch (decoder.bitmapPixelFormat) {
// RGBA 16
case Windows.Graphics.Imaging.BitmapPixelFormat.rgba16:
console.log('- RGBA16 detected...');
// allocate a typed array with the raw pixel data
pixelBuffer_U8 = new Uint8Array(rawPixels);
// Uint16Array provides a typed view into the raw bit pixel data
pixels = new Uint16Array(pixelBuffer_U8.buffer);
// defining image format
format = (decoder.bitmapAlphaMode === Windows.Graphics.Imaging.BitmapAlphaMode.straight ? ZXing.BitmapFormat.rgba32 : ZXing.BitmapFormat.rgb32);
break;
// RGBA 8
case Windows.Graphics.Imaging.BitmapPixelFormat.rgba8:
console.log('- RGBA8 detected...');
// for 8 bit pixel, formats, just use returned pixel array.
pixels = rawPixels;
// defining image format
format = (decoder.bitmapAlphaMode === Windows.Graphics.Imaging.BitmapAlphaMode.straight ? ZXing.BitmapFormat.rgba32 : ZXing.BitmapFormat.rgb32);
break;
// BGRA 8
case Windows.Graphics.Imaging.BitmapPixelFormat.bgra8:
console.log('- BGRA8 detected...');
// basically, this is still 8 bits...
pixels = rawPixels;
// defining image format
format = (decoder.bitmapAlphaMode === Windows.Graphics.Imaging.BitmapAlphaMode.straight ? ZXing.BitmapFormat.bgra32 : ZXing.BitmapFormat.bgr32);
// checking barcode
readCode(decoder, pixels, format);
// decoding barcode
function readCode(decoder, pixels, format) {
'use strict';
console.log('- Decoding with ZXing...');
var result = zxing.decode(pixels, decoder.pixelWidth, decoder.pixelHeight, format);
if (result) {
console.log('- DECODED: ', result);
close(result);
} else if (isCancelled) {
console.log('- CANCELLED!');
close({ cancelled: true });
} else {
render();
// cancel rendering
function cancel() {
isCancelled = true;
// close panel
function close(result) {
element.style.display = 'none';
element.pause();
element.src = '';
isVisible = false;
element.parentNode.removeChild(element);
isDomReady = false;
raiseSuccess(result);
function raiseSuccess(result) {
console.log('Result===' + JSON.stringify(result));
function raiseError(error) {
console.log('ERROR::::' + error);
Can anyone tell why its not working on tablet with solution? Thanks in advance

Hi Asha - we have sample code for barcode scanning here:
https://code.msdn.microsoft.com/windowsapps/Barcode-scanner-sample-f39aa411
Matt Small - Microsoft Escalation Engineer - Forum Moderator
If my reply answers your question, please mark this post as answered.
NOTE: If I ask for code, please provide something that I can drop directly into a project and run (including XAML), or an actual application project. I'm trying to help a lot of people, so I don't have time to figure out weird snippets with undefined
objects and unknown namespaces.

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HT4509 Barcode scanner app with international keyboard

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