commit after rebase

android/app/src/main/java/com/reactnativenavigation/activities/BaseReactActivity.java

 package com.reactnativenavigation.activities;
 
-import android.app.Activity;
 import android.content.Intent;
 import android.os.Build;
 import android.os.Bundle;
 
         // Destroy react instance manager only if there are no resumed react activities
         BaseReactActivity activity = ContextProvider.getActivityContext();
-        if (mReactInstanceManager != null ) {
+        if (mReactInstanceManager != null && activity!=null && activity.isFinishing()) {
             Log.i(TAG, "Destroying ReactInstanceManager");
             mReactInstanceManager.onDestroy();
         } else {

android/app/src/main/java/com/reactnativenavigation/modules/RctActivityModule.java

 
     @ReactMethod
     public void startTabBasedApp(ReadableArray screens) {
-        Log.e("START", "NEW_TAB");
         Activity context = ContextProvider.getActivityContext();
         if (context != null && !context.isFinishing()) {
             Intent intent = new Intent(context, TabActivity.class);
 
     @ReactMethod
     public void startSingleScreenApp(ReadableMap screen) {
-        Log.e("START", "NEW_SINGLE");
         BaseReactActivity context = ContextProvider.getActivityContext();
         if (context != null && !context.isFinishing()) {
             Intent intent = new Intent(context, SingleScreenActivity.class);