diff --git a/CHANGELOG.md b/CHANGELOG.md
index 78cc38b6..f860eb34 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,15 @@
 - On Android, the `InAppWebView` widget uses hybrid composition by default (`useHybridComposition: true`).
 - All properties of `GeolocationPermissionShowPromptResponse` cannot be `null`;
 
+## 5.4.3+6
+
+- Fixed "iOS flutter_inappwebview/URLRequest.swift:13: Fatal error: Unexpectedly found nil while unwrapping an Optional value" [#1173](https://github.com/pichillilorenzo/flutter_inappwebview/issues/1173)
+
+## 5.4.3+5
+
+- Fixed possible java.lang.NullPointerException in `Runnable` of `InputAwareWebView.setInputConnectionTarget` method
+- Fixed "Android Crash in latest 5.4.3+4 - java.lang.NullPointerException: Attempt to invoke virtual method java.lang.String android.webkit.WebView.getUrl()" [#1168](https://github.com/pichillilorenzo/flutter_inappwebview/issues/1168)
+
 ## 5.4.3+4
 
 - Updated docs for `ChromeSafariBrowser.open` and throw error on iOS if the `url` parameter use a different scheme then `http` or `https`
diff --git a/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_browser/InAppBrowserActivity.java b/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_browser/InAppBrowserActivity.java
index d8126de2..8e3401b2 100755
--- a/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_browser/InAppBrowserActivity.java
+++ b/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_browser/InAppBrowserActivity.java
@@ -219,51 +219,59 @@ public class InAppBrowserActivity extends AppCompatActivity implements InAppBrow
     // Inflate menu to add items to action bar if it is present.
     inflater.inflate(R.menu.menu_main, menu);
 
-    searchView = (SearchView) menu.findItem(R.id.menu_search).getActionView();
-    searchView.setFocusable(true);
+    MenuItem menuItem = menu.findItem(R.id.menu_search);
+    if (menuItem != null) {
+      if (customSettings.hideUrlBar)
+        menuItem.setVisible(false);
 
-    if (customSettings.hideUrlBar)
-      menu.findItem(R.id.menu_search).setVisible(false);
+      searchView = (SearchView) menuItem.getActionView();
+      if (searchView != null) {
+        searchView.setFocusable(true);
 
-    searchView.setQuery(webView != null ? webView.getUrl() : "", false);
+        searchView.setQuery(webView != null ? webView.getUrl() : "", false);
 
-    searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
-      @Override
-      public boolean onQueryTextSubmit(String query) {
-        if (!query.isEmpty()) {
-          webView.loadUrl(query);
-          searchView.setQuery("", false);
-          searchView.setIconified(true);
-          return true;
-        }
-        return false;
+        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
+          @Override
+          public boolean onQueryTextSubmit(String query) {
+            if (!query.isEmpty()) {
+              if (webView != null)
+                webView.loadUrl(query);
+              if (searchView != null) {
+                searchView.setQuery("", false);
+                searchView.setIconified(true);
+              }
+              return true;
+            }
+            return false;
+          }
+
+          @Override
+          public boolean onQueryTextChange(String newText) {
+            return false;
+          }
+
+        });
+
+        searchView.setOnCloseListener(new SearchView.OnCloseListener() {
+          @Override
+          public boolean onClose() {
+            if (searchView != null && searchView.getQuery().toString().isEmpty())
+              searchView.setQuery(webView != null ? webView.getUrl() : "", false);
+            return false;
+          }
+        });
+
+        searchView.setOnQueryTextFocusChangeListener(new View.OnFocusChangeListener() {
+          @Override
+          public void onFocusChange(View view, boolean b) {
+            if (!b && searchView != null) {
+              searchView.setQuery("", false);
+              searchView.setIconified(true);
+            }
+          }
+        });
       }
-
-      @Override
-      public boolean onQueryTextChange(String newText) {
-        return false;
-      }
-
-    });
-
-    searchView.setOnCloseListener(new SearchView.OnCloseListener() {
-      @Override
-      public boolean onClose() {
-        if (searchView.getQuery().toString().isEmpty())
-          searchView.setQuery(webView.getUrl(), false);
-        return false;
-      }
-    });
-
-    searchView.setOnQueryTextFocusChangeListener(new View.OnFocusChangeListener() {
-      @Override
-      public void onFocusChange(View view, boolean b) {
-        if (!b) {
-          searchView.setQuery("", false);
-          searchView.setIconified(true);
-        }
-      }
-    });
+    }
 
     return true;
   }