diff --git a/ltx_flutter/flake.lock b/ltx_flutter/flake.lock
new file mode 100644
index 0000000..b5966a1
--- /dev/null
+++ b/ltx_flutter/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1694529238,
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1685566663,
+        "narHash": "sha256-btHN1czJ6rzteeCuE/PNrdssqYD2nIA4w48miQAFloM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4ecab3273592f27479a583fb6d975d4aba3486fe",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/ltx_flutter/flake.nix b/ltx_flutter/flake.nix
new file mode 100644
index 0000000..13584b7
--- /dev/null
+++ b/ltx_flutter/flake.nix
@@ -0,0 +1,38 @@
+{
+description = "Flutter 3.0.4";
+inputs = {
+  nixpkgs.url = "github:NixOS/nixpkgs/23.05";
+  flake-utils.url = "github:numtide/flake-utils";
+};
+outputs = { self, nixpkgs, flake-utils }:
+  flake-utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = import nixpkgs {
+        inherit system;
+        config = {
+          android_sdk.accept_license = true;
+          allowUnfree = true;
+        };
+      };
+      buildToolsVersion = "30.0.3";
+      androidComposition = pkgs.androidenv.composeAndroidPackages {
+        buildToolsVersions = [ buildToolsVersion "28.0.3" ];
+        platformVersions = [ "31" "28" ];
+        abiVersions = [ "armeabi-v7a" "arm64-v8a" ];
+      };
+      androidSdk = androidComposition.androidsdk;
+    in
+    {
+      devShell =
+        with pkgs; mkShell rec {
+          ANDROID_SDK_ROOT = "${androidSdk}/libexec/android-sdk";
+          buildInputs = [
+            chromium
+            flutter
+            androidSdk
+            jdk11
+            android-studio
+          ];
+        };
+    });
+}
diff --git a/ltx_flutter/lib/pages/tabs_page.dart b/ltx_flutter/lib/pages/tabs_page.dart
index 3bc68e6..33995ad 100644
--- a/ltx_flutter/lib/pages/tabs_page.dart
+++ b/ltx_flutter/lib/pages/tabs_page.dart
@@ -2,6 +2,7 @@ import 'package:ltx_flutter/pages/account_page.dart';
 import 'package:ltx_flutter/pages/categories_page.dart';
 import 'package:ltx_flutter/pages/today_page.dart';
 import 'package:flutter/material.dart';
+import 'package:ltx_flutter/pages/today_views/infinity_view.dart';
 import '../app_properties_bloc.dart';
 
 class TabsPage extends StatefulWidget {
@@ -14,7 +15,7 @@ class TabsPage extends StatefulWidget {
 class _TabsPageState extends State<TabsPage> {
   int _selectedIndex = 0;
 
-  static const _widgets = [TodayPage(), CategoriesPage(), AccountPage()];
+  static const _widgets = [TodayPage(), InfinityView(), CategoriesPage(), AccountPage()];
 
   void _onItemTapped(int index) {
     setState(() {
@@ -25,19 +26,22 @@ class _TabsPageState extends State<TabsPage> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(
-        title: StreamBuilder<Object>(
-            stream: appBloc.titleStream,
-            initialData: "Flutter",
-            builder: (context, snapshot) {
-              return Text(snapshot.data.toString());
-            }),
-      ),
+      // appBar: AppBar(
+      //   title: StreamBuilder<Object>(
+      //       stream: appBloc.titleStream,
+      //       initialData: "Flutter",
+      //       builder: (context, snapshot) {
+      //         return Text(snapshot.data.toString());
+      //       }),
+      // ),
       body: _widgets.elementAt(_selectedIndex),
       bottomNavigationBar: BottomNavigationBar(
+        type: BottomNavigationBarType.fixed,
         items: const [
           BottomNavigationBarItem(
               icon: Icon(Icons.today_outlined), label: "Today"),
+          BottomNavigationBarItem(
+              icon: Icon(Icons.all_inclusive), label: "Grid"),
           BottomNavigationBarItem(
               icon: Icon(Icons.category_outlined), label: "Categories"),
           BottomNavigationBarItem(
diff --git a/ltx_flutter/lib/pages/today_page.dart b/ltx_flutter/lib/pages/today_page.dart
index 54abed3..84b3491 100644
--- a/ltx_flutter/lib/pages/today_page.dart
+++ b/ltx_flutter/lib/pages/today_page.dart
@@ -43,29 +43,7 @@ class NarrowView extends StatelessWidget {
     return DefaultTabController(
       length: 4,
       initialIndex: 0,
-      child: Column(
-        children: [
-          TabBar(
-            tabs: [
-              Tab(icon: Icon(Icons.calendar_view_day)),
-              Tab(icon: Icon(Icons.calendar_view_week)),
-              Tab(icon: Icon(Icons.calendar_view_month)),
-              Tab(icon: Icon(Icons.all_inclusive)),
-            ],
-          ),
-          Expanded(
-            child: TabBarView(
-              physics: const NeverScrollableScrollPhysics(),
-              children: [
-                DayView(),
-                WeekView(),
-                Icon(Icons.directions_car, size: 350),
-                InfinityView(),
-              ],
-            ),
-          )
-        ],
-      ),
-    );
+      child: DayView()
+      );
   }
 }
diff --git a/ltx_flutter/lib/pages/today_views/day_view.dart b/ltx_flutter/lib/pages/today_views/day_view.dart
index 99e9d65..d6798f1 100644
--- a/ltx_flutter/lib/pages/today_views/day_view.dart
+++ b/ltx_flutter/lib/pages/today_views/day_view.dart
@@ -528,6 +528,12 @@ class _HourFormFieldState extends State<HourFormField> {
 
   @override
   Widget build(BuildContext context) {
+        if (widget.category != null) {
+      catNum = widget.category!.number.toString();
+      fgColor = widget.category!.foregroundColor;
+      catName = widget.category!.name;
+    }
+
     return Row(
       children: [
         SizedBox(
@@ -557,7 +563,14 @@ class _HourFormFieldState extends State<HourFormField> {
                     "hourField-${widget.dayEntry.$id}-${widget.index.toString()}"),
                 textInputAction: TextInputAction.next,
                 onEditingComplete: () {
-                  String value = _controller.value.text;
+                  String value;
+                  String current = _controller.value.text;
+                  if(current == ""){
+                    value = getPreviousHourValue(widget);
+                  }
+                  else{
+                    value = current;
+                  }
                   database.updateHours(widget.dayEntry, widget.index, value);
                   setState(() {
                     widget.category = categories.lookUp(num.parse(value));
@@ -588,3 +601,10 @@ class _HourFormFieldState extends State<HourFormField> {
     );
   }
 }
+String getPreviousHourValue(widget) {
+  int prevIndex = widget.index - 1;
+  if(prevIndex < 0){ return "0";}
+  else{
+    return widget.dayEntry.data['hours'][prevIndex].toString();
+  }
+}