[Fix] App crash when no handler (_messageHandler) for message from JS.

marcuswestin · Aug 5, 2014 · 68a37a2 · 68a37a2
1 parent 10a214b
commit 68a37a2
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/WebViewJavascriptBridge/WebViewJavascriptBridge.m b/WebViewJavascriptBridge/WebViewJavascriptBridge.m
@@ -196,6 +196,10 @@ - (void)_flushMessageQueue {
                 }
             } else {
                 handler = _messageHandler;
+                if (!handler) {
+                    NSLog(@"WVJB Warning: No handler for message from JS: %@", message);
+                    return responseCallback(@{});
+                }
             }
 
             @try {