In order to use custom tags in JSP,we used to have TLD files,along with a Java class to define the custom tags but post JSP 2.0 specs,the same can be achieved,without the need for any Source code files,making it easy to maintain and it can also be created by someone with basic knowledge of JSP tags without need for java code.
Zxing library is well known for image processing. Zxing was based on java and .Net module is also available and it can be used in xamarin applications. click here to check official documentation. http://zxingnet.codeplex.com/
I recently used this libarry.
Step1: Add ZXing.Net.Mobile component into solution.
step2: In whichever activity we need to show barcode scanner, in that activity initialise MobileBarcodeScanner.
Step3: Write below code when tapped on any view to start scanning.
In short, a DLL is a collection of small executable code, which can be called upon when needed by a program that's running. The DLL lets the executable communicate with a specific device such as a printer or may contain code to do any number of particular functions. As there are several methods of implementations to do this, in this topic I'll be showing you how to register and unregister any DLL that your application calls for; and we'll be doing so using the
RegSrv32.exe command line.