Add more buttons to the main screen

- Currently just display an "unsupported" dialog

lib/main.dart

@@ -194,8 +194,19 @@ class _MyHomePageState extends State<MyHomePage> {
     Navigator.push(context, MaterialPageRoute(builder: (context) => LocationDisplayWidget(null)));
   }
 
-  void _suppliers() {
+  void _unsupported() {
-    // TODO
+    showDialog(
+      context:  context,
+      child: new SimpleDialog(
+        title: new Text("Unsupported"),
+        children: <Widget>[
+          ListTile(
+            title: Text("This feature is not yet supported"),
+            subtitle: Text("It will be supported in an upcoming release"),
+          )
+        ],
+      )
+    );
   }
 
   @override
@@ -259,7 +270,7 @@ class _MyHomePageState extends State<MyHomePage> {
                 Column(
                   children: <Widget>[
                     IconButton(
-                      icon: new Icon(Icons.category),
+                      icon: new FaIcon(FontAwesomeIcons.shapes),
                       tooltip: 'Parts',
                       onPressed: _parts,
                     ),
@@ -281,7 +292,7 @@ class _MyHomePageState extends State<MyHomePage> {
                     IconButton(
                       icon: new FaIcon(FontAwesomeIcons.industry),
                       tooltip: 'Suppliers',
-                      onPressed: _suppliers,
+                      onPressed: _unsupported,
                     ),
                     Text("Suppliers"),
                   ]
@@ -289,6 +300,42 @@ class _MyHomePageState extends State<MyHomePage> {
               ],
             ),
             Spacer(),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+              children: <Widget>[
+                Column(
+                  children: <Widget>[
+                    IconButton(
+                      icon: new FaIcon(FontAwesomeIcons.tools),
+                      tooltip: "Build",
+                      onPressed: _unsupported,
+                    ),
+                    Text("Build"),
+                  ],
+                ),
+                Column(
+                  children: <Widget>[
+                    IconButton(
+                      icon: new FaIcon(FontAwesomeIcons.shoppingCart),
+                      tooltip: "Order",
+                      onPressed: _unsupported,
+                    ),
+                    Text("Order"),
+                  ]
+                ),
+                Column(
+                  children: <Widget>[
+                    IconButton(
+                      icon: new FaIcon(FontAwesomeIcons.shippingFast),
+                      tooltip: "Sell",
+                      onPressed: _unsupported,
+                    ),
+                    Text("Sell"),
+                  ]
+                )
+              ],
+            ),
+            Spacer(),
             Row(
               mainAxisAlignment: MainAxisAlignment.center,
               crossAxisAlignment: CrossAxisAlignment.center,

lib/settings.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
+import 'package:InvenTree/api.dart';
 import 'login_settings.dart';
 
 import 'package:package_info/package_info.dart';
@@ -56,6 +57,11 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
         child: new SimpleDialog(
             title: new Text("About InvenTree"),
             children: <Widget>[
+              ListTile(
+                title: Text("Server Version"),
+                subtitle: Text(InvenTreeAPI().version.isNotEmpty ? InvenTreeAPI().version : "Not connected"),
+              ),
+              Divider(),
               ListTile(
                 title: Text("App Name"),
                 subtitle: Text("${info.appName}"),
@@ -72,6 +78,7 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
                 title: Text("Build Number"),
                 subtitle: Text("${info.buildNumber}")
               ),
+              Divider(),
               ListTile(
                 title: Text("Submit Bug Report"),
                 subtitle: Text("Submit a bug report or feature request at:\n https://github.com/inventree/inventree-app/issues/"),