fixed example on android - runs but not 100%

android/app/src/main/java/com/reactnativenavigation/params/parsers/TitleBarLeftButtonParamsParser.java

             case "accept":
                 return MaterialMenuDrawable.IconState.CHECK;
             case "sideMenu":
-                return MaterialMenuDrawable.IconState.BURGER;
             default:
-                throw new RuntimeException("Unsupported button id: " + id + ". Supported ids are: back, cancel, accept and sideMenu");
+                return MaterialMenuDrawable.IconState.BURGER;
         }
     }
 }

example/package.json

   "version": "0.0.1",
   "private": true,
   "scripts": {
-    "start": "watchman watch-del-all && (adb reverse tcp:8081 tcp: 8081 || true) && node node_modules/react-native/local-cli/cli.js start",
-    "xcode": "open ios/example.xcodeproj"
+    "start": "watchman watch-del-all && (adb reverse tcp:8081 tcp:8081 || true) && node node_modules/react-native/local-cli/cli.js start",
+    "xcode": "open ios/example.xcodeproj",
+    "android": "cd android && ./gradlew installDebug"
   },
   "dependencies": {
     "react-native": "0.31.0",

example/src/screens/FirstTabScreen.js

 import {
   Text,
   View,
-  ScrollView,
   TouchableOpacity,
   StyleSheet,
   AlertIOS
   }
 
   onNavigatorEvent(event) {
-    if (event.id == 'menu') {
+    if (event.id === 'menu') {
       this.props.navigator.toggleDrawer({
         side: 'left',
         animated: true
       });
     }
-    if (event.id == 'edit') {
+    if (event.id === 'edit') {
       AlertIOS.alert('NavBar', 'Edit button pressed');
     }
-    if (event.id == 'add') {
+    if (event.id === 'add') {
       AlertIOS.alert('NavBar', 'Add button pressed');
     }
   }