From 2832b65f4e0ab1837892088e9bd7023e077385d2 Mon Sep 17 00:00:00 2001
From: bkaptijn <bas.kaptijn@ictu.nl>
Date: Tue, 14 Sep 2021 11:43:44 +0200
Subject: [PATCH] enable rescanning

---
 validator-frontend/screens/ScanScreen.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/validator-frontend/screens/ScanScreen.js b/validator-frontend/screens/ScanScreen.js
index 86c8417..46ebd9c 100644
--- a/validator-frontend/screens/ScanScreen.js
+++ b/validator-frontend/screens/ScanScreen.js
@@ -108,6 +108,13 @@ class ScanScreen extends React.Component {
   async componentDidMount() {
     const { status } = await BarCodeScanner.requestPermissionsAsync();
     this.setState({ hasCameraPermission: status === 'granted' });
+    this._unsubscribe = this.props.navigation.addListener('focus', () => {
+      this.setState({scanned:false});
+    });
+  }
+
+  componentWillUnmount() {
+    this._unsubscribe();
   }
 
   render() {
@@ -132,7 +139,6 @@ class ScanScreen extends React.Component {
 
   handleBarCodeScanned = ({ type, data }) => {
     this.setState({scanned:true})
-    console.log('qrdata: '+data)
     this.props.navigation.navigate('Validating', {qrString: data})
   }
 }