Trigger Prolific Barcode scanner from Android code

<p>Reading a bar code in a portable document format (PDF) document is a simple procedure. Some newer phones come with smart barcode scanners, and you can scan the Internet to buy. A barcode is a series of lines of code that identifies a product. When you print the document with a single piece of technology, you can read a barcode in a PDF document. <br /> <p><br /> <p>1. Open the PDF document. Adobe Reader PDF reader is the most common. If you do not have Adobe, download the latest version of the company's website for free download (see Resources). <br /> <p><br /> <p>2. Select "File" drop-down box to the left of Adobe. Select "Print" and then "OK". <br /> <p><br /> <p>3. Set the bar code scanner. Jumping the gun and a horizontal red line is designed with the focus of the scanner. Move the line through the barcode printed on the document until the scanner beeps. Release the trigger and see the screen on the back of the scanner, which will give you the information encoded in bar code. <br /> <p><br /> <p>4. Download a barcode scanning application for your smart phone if you do not want a handheld scanner. Most bar code applications are free. Open the program and point the camera at the barcode in the PDF. Wait until the camera for a snapshot of the barcode will not make up the barcode in the light of the entire camera to take. The program will decode the barcode and display the results. <br />