From 4756de21b082aadf618d54ad301fa55d67510dd7 Mon Sep 17 00:00:00 2001
From: Sarafanov Valeriy <sarafanov_v@firma-gamma.ru>
Date: Wed, 22 Jan 2020 17:02:58 +0300
Subject: [PATCH] fix java.lang.IllegalArgumentException
 https://github.com/apache/cordova-plugin-inappbrowser/issues/470

---
 src/android/InAppBrowser.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/android/InAppBrowser.java b/src/android/InAppBrowser.java
index 84144389f..416576efc 100644
--- a/src/android/InAppBrowser.java
+++ b/src/android/InAppBrowser.java
@@ -533,11 +533,14 @@ public void run() {
                 if (childView == null) {
                     return;
                 }
+				if (dialog == null) {
+                    return;
+                }
 
                 childView.setWebViewClient(new WebViewClient() {
                     // NB: wait for about:blank before dismissing
                     public void onPageFinished(WebView view, String url) {
-                        if (dialog != null) {
+                        if (dialog != null && dialog.isShowing()) {
                             dialog.dismiss();
                             dialog = null;
                         }