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| Qr-Scanner |

Qr Code Scanner (Android Application)

Add QRCodeReaderView dependency to your build.gradle:

compile 'com.dlazaro66.qrcodereaderview:qrcodereaderview:2.0.3'

Add to your layout file:

<com.dlazaro66.qrcodereaderview.QRCodeReaderView
     android:id="@+id/qrdecoderview"
     android:layout_width="match_parent"
     android:layout_height="match_parent" />

Implement OnQRCodeReadListener in your Activity

Output will be available in overriden method onQRCodeRead()

This code is available in ScanActivity.java

Scanner library reference: https://android-arsenal.com/details/1/1891

Firebase Database

To update the scanned Qr code data

Firebase ui

To display the qr code details  ( one Qr code for each participant or user)

Without Qr Scan

can update the Qr code data by using id of Qr code (without qr scan)