QR Code for launching a native application

Question

2 questions about using a QR code in an Android device: 1. Is it possible to launch a native Android application from a QR code? Maybe by some configured URI schema? 2. Anot

Answer 1

To scan barcodes in Android by Intent, see https://github.com/zxing/zxing/wiki/Scanning-Via-Intent

To trigger an app from a QR code, yes, you need to register the app to handle the particular custom URL scheme. This is how the same app can respond to clicks on the web: https://github.com/zxing/zxing/wiki/Scanning-From-Web-Pages

Look at how it registers to handle URLs here: https://github.com/zxing/zxing/blob/master/android/AndroidManifest.xml