From 890f0476b144af041d7641322c10bfa1e0a58931 Mon Sep 17 00:00:00 2001
From: Craig Raw <craigraw@gmail.com>
Date: Wed, 4 Jun 2025 15:23:48 +0200
Subject: [PATCH] introduce delay before closing capture library

---
 .../java/com/sparrowwallet/sparrow/control/QRScanDialog.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/sparrowwallet/sparrow/control/QRScanDialog.java b/src/main/java/com/sparrowwallet/sparrow/control/QRScanDialog.java
index 608468c7..921a1e12 100644
--- a/src/main/java/com/sparrowwallet/sparrow/control/QRScanDialog.java
+++ b/src/main/java/com/sparrowwallet/sparrow/control/QRScanDialog.java
@@ -31,6 +31,7 @@ import com.sparrowwallet.sparrow.io.Config;
 import com.sparrowwallet.sparrow.io.bbqr.BBQRDecoder;
 import com.sparrowwallet.sparrow.io.bbqr.BBQRException;
 import com.sparrowwallet.sparrow.wallet.KeystoreController;
+import io.reactivex.Observable;
 import javafx.application.Platform;
 import javafx.beans.property.DoubleProperty;
 import javafx.beans.property.ObjectProperty;
@@ -57,6 +58,7 @@ import java.nio.charset.CharsetDecoder;
 import java.nio.charset.StandardCharsets;
 import java.util.*;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
@@ -201,7 +203,8 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
 
             Platform.runLater(() -> {
                 webcamResolutionProperty.set(null);
-                webcamService.close();
+                Observable.just(this).delay(500, TimeUnit.MILLISECONDS)
+                        .subscribe(_ -> webcamService.close(), throwable -> log.error("Error closing webcam", throwable));
             });
         });