barcode-scanner

Detect when input box filled by keyboard and when by barcode scanner.

by

I wrote this answer, because my Barcode Scanner Motorola LS1203 generated keypress event, so I can’t use Utkanos’s solution. My solution is: var BarcodeScanerEvents = function() { this.initialize.apply(this, arguments); }; BarcodeScanerEvents.prototype = { initialize: function() { $(document).on({ keyup: $.proxy(this._keyup, this) }); }, _timeoutHandler: 0, _inputString: ”, _keyup: function (e) { if (this._timeoutHandler) { clearTimeout(this._timeoutHandler); this._inputString … Read more

Javascript: How to read a hand held barcode scanner best?

by

Your pseudo code won’t work, because you don’t have access to the scanner to catch events like scanButtonDown. Your only option is a HID scanner, which behaves exactly like a keyboard. To differentiate scanner input from keyboard input you have two options: Timer-based or prefix-based. Timer-based The scanner is likely to input characters much quicker … Read more

Using ZXing to create an Android barcode scanning app [duplicate]

by

The ZXing project provides a standalone barcode reader application which — via Android’s intent mechanism — can be called by other applications who wish to integrate barcode scanning. The easiest way to do this is to call the ZXing SCAN Intent from your application, like this: public Button.OnClickListener mScan = new Button.OnClickListener() { public void … Read more