zxing barcode scanner android studio tutorial

If not then we will the user a prompt message. Using ContextCompact, we will first check if the user has been granted the app, the required permission to access the device camera. Frame to highlight the QR code boundaryĭeclare the access to device Camera in AndroidManifest.xml Building the QR Scanner (Java) Requesting and Checking if permission Granted.In the widget, we have set following attributes: In the code above, we have created the CodeScannerView widget. In the activity_main.xml or where ever you want to create the code scanner, add the following line of XML code.Ĭode scanner layout using zxing android library implementation ':code-scanner:2.1.0' Creating the Layout XML File Implement the following Code Scanner Dependency in adle app level. The Code Scanner Library supports both programming languages. Open Android Studio and create a new project in Java or Kotlin (your preference, we have provided source code for both). Creating QR Code Scanner App Creating Android Project The source code files are available in the end for download.

You can alternatively, use the text message and make it appear in a SnackBar or TextView. Once the user opens the app, the app will request the permission, if not granted and then scan the QR Code automatically and the decoded result text will appear as a Toast message. We will also need to declare the CAMERA permission in Android manifest to access the device camera. To build an android app for scanning QR Codes we will be using Android Library which is based on Zxing QR code scanning android library. The QR Code will automatically get generated that you can scan later after building the app.

Zxing barcode scanner android studio tutorial