In this tutorial, we will study about one of the popular android library for QR Code scanner in android application. We will see how to implement android QR Code Scanner Using ZXing library in kotlin. We will see how to use ZXing library in activity, how to use ZXing library in fragment etc. Since kotlin is official programming language for android application development, this tutorial has been covered in kotlin programming language. However, you can get source code for android ZXing library in kotlin and java both.











