passProps android working

example-redux/package.json

   "version": "0.0.1",
   "private": true,
   "scripts": {
-    "start": "watchman watch-del-all && node node_modules/react-native/local-cli/cli.js start --reset-cache"
+    "start": "node node_modules/react-native/local-cli/cli.js start"
   },
   "dependencies": {
     "react-native": "0.25.1",

example-redux/src/app.js

         //      {
         //        screenId: 'example.ListScreen',
         //        title: 'Tab1',
-        //         passProps: {
-        //           str: 'This is a prop passed to Tab1'
-        //         }
+        //        passProps: {
+        //          str: 'This is a prop passed to Tab1'
+        //        }
         //      },
         //      {
         //        screenId: 'example.PushedScreen',

src/PropRegistry.js

     this.registry = {};
   }
 
-  save(screenInstanceId, passProps) {
+  save(screenInstanceId = '', passProps = {}) {
     this.registry[screenInstanceId] = passProps;
   }
 

src/platformSpecific.android.js

 import React, {Component} from 'react';
 import {AppRegistry, NativeModules} from 'react-native';
-
+import _ from 'lodash';
 import PropRegistry from './PropRegistry';
 
 const NativeReactModule = NativeModules.NavigationReactModule;
 
 function startApp(activityParams) {
-  PropRegistry.save(activityParams.screen.navigationParams.screenInstanceID, activityParams.screen.passProps);
+  savePassProps(activityParams);
   NativeReactModule.startApp(activityParams);
 }
 
 function push(screenParams) {
-  PropRegistry.save(screenParams.navigationParams.screenInstanceID, screenParams.passProps);
+  savePassProps(screenParams);
   NativeReactModule.push(screenParams);
 }
 
 }
 
 function newStack(screenParams) {
-  PropRegistry.save(screenParams.navigationParams.screenInstanceID, screenParams.passProps);
+  savePassProps(screenParams);
   NativeReactModule.newStack(screenParams);
 }
 
 }
 
 function showModal(screenParams) {
-  PropRegistry.save(screenParams.navigationParams.screenInstanceID, screenParams.passProps);
+  savePassProps(screenParams);
   NativeReactModule.showModal(screenParams);
 }
 
   NativeReactModule.dismissAllModals();
 }
 
+function savePassProps(params) {
+  //TODO this needs to be handled in a common place,
+  //TODO also, all global passProps should be handled differently
+  //TODO also, topTabs passProps not working
+  if (params.navigationParams && params.passProps) {
+    PropRegistry.save(params.navigationParams.screenInstanceID, params.passProps);
+  }
+
+  if (params.screen && params.screen.passProps) {
+    PropRegistry.save(params.screen.navigationParams.screenInstanceID, params.screen.passProps);
+  }
+
+  if (_.get(params, 'screen.topTabs')) {
+    _.forEach(params.screen.topTabs, (tab) => savePassProps(tab));
+  }
+
+  if (params.tabs) {
+    _.forEach(params.tabs, (tab) => {
+      tab.passProps = params.passProps;
+      savePassProps(tab);
+    });
+  }
+}
+
 module.exports = {
   startApp,
   push,