push not working

android/app/src/main/java/com/reactnativenavigation/NavigationApplication.java

         handler.post(runnable);
     }
 
+    public void runOnMainThread(Runnable runnable, long delay) {
+        handler.postDelayed(runnable, delay);
+    }
+
     public NavigationReactInstance getNavigationReactInstance() {
         return navigationReactInstance;
     }

android/app/src/main/java/com/reactnativenavigation/react/JsDevReloadHandler.java

                     return true;
                 } else {
                     shouldRefreshOnRR = true;
-                    NavigationApplication.instance.getMainHandler().postDelayed(
+                    NavigationApplication.instance.runOnMainThread(
                             new Runnable() {
                                 @Override
                                 public void run() {

example-redux/src/app.js

       case 'login':
         Navigation.startSingleScreenApp({
           screen: {
-            screen: 'example.LoginScreen',
+            screen: 'example.FirstTabScreen',
             title: 'Login',
             navigatorStyle: {}
           },

example-redux/src/screens/FirstTabScreen.js

   StyleSheet,
   Alert
 } from 'react-native';
-import { connect } from 'react-redux';
+import {connect} from 'react-redux';
 import * as counterActions from '../reducers/counter/actions';
 
 let navBarVisiable = true;
     textAlign: 'center',
     fontSize: 18,
     marginBottom: 10,
-    marginTop:10
+    marginTop: 10
   },
   button: {
     textAlign: 'center',
     fontSize: 18,
     marginBottom: 10,
-    marginTop:10,
+    marginTop: 10,
     color: 'blue'
   }
 });

src/deprecated/platformSpecificDeprecated.android.js

   newPlatformSpecific.startApp(params);
 }
 
+function navigatorPush(navigator, params) {
+  debugger;
+  addNavigatorParams(params, navigator);
+  addNavigatorButtons(params);
+  addNavigationStyleParams(params);
+
+  params = adaptNavigationStyleToScreenStyle(params);
+  params = adaptNavigationParams(params);
+
+  newPlatformSpecific.push(params);
+}
+
 function adaptNavigationStyleToScreenStyle(screen) {
   const navigatorStyle = screen.navigatorStyle;
   if (!navigatorStyle) {
   }
 }
 
-function navigatorPush(navigator, params) {
-  //addNavigatorParams(params, navigator);
-  //addNavigatorButtons(params);
-  //addNavigationStyleParams(params);
-  //RctActivity.navigatorPush(params);
-}
-
 function navigatorSetButtons(navigator, navigatorEventID, params) {
   //if (params.rightButtons) {
   //  params.rightButtons.forEach(function(button) {

src/platformSpecific.android.js

 
 const resolveAssetSource = require('react-native/Libraries/Image/resolveAssetSource');
 
-function startApp(params) {
-  const screen = params.screen;
+function startApp(activityParams) {
+  const screen = activityParams.screen;
   if (!screen.screenId) {
-    console.error('startApp(params): screenId property must be supplied');
+    console.error('startApp(activityParams): screenId property must be supplied');
     return;
   }
 
-  NativeModules.NavigationReactModule.startApp(params);
+  NativeModules.NavigationReactModule.startApp(activityParams);
+}
+
+function push(screenParams) {
+  NativeModules.NavigationReactModule.push(screenParams);
 }
 
 module.exports = {
-  startApp
+  startApp,
+  push
 };