updated android code to work properly

Author: alinz

android/src/main/java/com/github/alinz/reactnativewebviewbridge/WebViewBridgeManager.java

@@ -79,13 +79,13 @@ private void injectBridgeScript(WebView root) {
     + "(function() {"
         + "if (window.WebViewBridge) return;"
         + "var customEvent = document.createEvent('Event');"
-        + "WebViewBridge = {"
+        + "var WebViewBridge = {"
             + "send: function(message) { WebViewBridgeAndroid.send(message); },"
             + "onMessage: function() {}"
         + "};"
         + "window.WebViewBridge = WebViewBridge;"
         + "customEvent.initEvent('WebViewBridge', true, true);"
         + "document.dispatchEvent(customEvent);"
-    +"}())", null);
+    +"}());", null);
   }
 }

webview-bridge/index.android.js

@@ -65,9 +65,12 @@ var WebViewBridge = React.createClass({
   },
 
   componentWillMount: function() {
-    DeviceEventEmitter.addListener("webViewBridgeMessage", (message) => {
+    DeviceEventEmitter.addListener("webViewBridgeMessage", (body) => {
       const { onBridgeMessage } = this.props;
-      onBridgeMessage && onBridgeMessage(message);
+      const message = body.message;
+      if (onBridgeMessage) {
+        onBridgeMessage(message);
+      }
     });
 
     if (this.props.startInLoadingState) {