fix: multiple alerts shown to QR reading (#384)

HathorNetwork · Nov 16, 2023 · b34e6b0 · b34e6b0
1 parent 2e8fee7
commit b34e6b0
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/src/screens/SendScanQRCode.js b/src/screens/SendScanQRCode.js
@@ -23,7 +23,15 @@ const mapStateToProps = (state) => ({
 });
 
 class SendScanQRCode extends React.Component {
+  constructor() {
+    super();
+    this.state = {
+      isWaitingForUserInput: false,
+    }
+  }
+
   showAlertError = (message) => {
+    this.setState({ isWaitingForUserInput: true });
     Alert.alert(
       t`Invalid QR code`,
       message,
@@ -32,13 +40,19 @@ class SendScanQRCode extends React.Component {
           onPress: () => {
             // To avoid being stuck on an invalid QR code loop, navigate back.
             this.props.navigation.goBack();
+            this.setState({ isWaitingForUserInput: false });
           } },
       ],
       { cancelable: false },
     );
   }
 
   onSuccess = async (e) => {
+    if (this.state.isWaitingForUserInput) {
+      // Avoid multiple calls to this function while waiting for user input
+      return;
+    }
+
     const qrcode = parseQRCode(e.data);
     if (!qrcode.isValid) {
       this.showAlertError(qrcode.error);