[TIMOB-20332] Android: Closing a Ti.UI.TabGroup that contains a ti.map view crashes the app

android/titanium/src/java/org/appcelerator/titanium/view/TiUIFragment.java

@@ -1,6 +1,5 @@
 package org.appcelerator.titanium.view;
 
-import org.appcelerator.kroll.common.TiMessenger;
 import org.appcelerator.titanium.TiC;
 import org.appcelerator.titanium.proxy.TiViewProxy;
 import org.appcelerator.titanium.util.TiConvert;
@@ -79,7 +78,7 @@ public void release()
 				FragmentTransaction transaction = null;
 				Fragment tabFragment = fragmentManager.findFragmentById(android.R.id.tabcontent);
 				if (tabFragment != null) {
-					FragmentManager childManager = tabFragment.getChildFragmentManager();
+					FragmentManager childManager = fragment.getActivity().getSupportFragmentManager();
 					transaction = childManager.beginTransaction();
 				} else {
 					transaction = fragmentManager.beginTransaction();

tests/Resources/ti.ui.tabgroup.addontest.js

@@ -0,0 +1,48 @@
+/*
+ * Appcelerator Titanium Mobile
+ * Copyright (c) 2011-Present by Appcelerator, Inc. All Rights Reserved.
+ * Licensed under the terms of the Apache Public License
+ * Please see the LICENSE included with this distribution for details.
+ */
+/* eslint-env mocha */
+/* global Ti, L */
+/* eslint no-unused-expressions: "off" */
+'use strict';
+var should = require('./utilities/assertions');
+
+describe('Titanium.UI.Tabgroup', function () {
+
+	it('Remove MapView from TabGroup', function(finish) {
+		// create tab group
+		var tabGroup = Titanium.UI.createTabGroup();
+
+		var win1 = Titanium.UI.createWindow({
+			title:'Tab 1',
+			backgroundColor:'#fff'
+		});
+
+		var tab1 = Titanium.UI.createTab({
+			title:'Tab 1',
+			window:win1
+		});
+
+		var Map = require('ti.map');
+
+		var mapview = Map.createView({top: 0, height: '80%'});
+
+		mapview.addEventListener('complete', function() {
+			tabGroup.close();
+		});
+
+		win1.add(mapview);
+
+		tabGroup.addTab(tab1);
+
+		tabGroup.open();
+
+		tabGroup.addEventListener('close', function() {
+			finish();
+		});
+
+	}).timeout(5000);
+});