Specify app bar color (#558)

lib/settings/about.dart

@@ -225,6 +225,7 @@ class InvenTreeAboutWidget extends StatelessWidget {
     return Scaffold(
       appBar: AppBar(
         title: Text(L10().appAbout),
+        backgroundColor: COLOR_APP_BAR,
       ),
       body: ListView(
         children: ListTile.divideTiles(

lib/settings/app_settings.dart

@@ -157,6 +157,7 @@ class _InvenTreeAppSettingsState extends State<InvenTreeAppSettingsWidget> {
       key: _settingsKey,
       appBar: AppBar(
         title: Text(L10().appSettings),
+        backgroundColor: COLOR_APP_BAR
       ),
       body: Container(
         child: ListView(

lib/settings/barcode_settings.dart

@@ -3,6 +3,8 @@ import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
 
 import "package:inventree/l10.dart";
 import "package:inventree/preferences.dart";
+import "package:inventree/app_colors.dart";
+
 import "package:inventree/widget/dialogs.dart";
 
 
@@ -110,7 +112,10 @@ class _InvenTreeBarcodeSettingsState extends State<InvenTreeBarcodeSettingsWidge
     }
 
     return Scaffold(
-      appBar: AppBar(title: Text(L10().barcodeSettings)),
+      appBar: AppBar(
+        title: Text(L10().barcodeSettings),
+        backgroundColor: COLOR_APP_BAR
+      ),
       body: Container(
         child: ListView(
           children: [

lib/settings/home_settings.dart

@@ -1,6 +1,7 @@
 
 import "package:flutter/material.dart";
 import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
+import "package:inventree/app_colors.dart";
 
 import "package:inventree/l10.dart";
 import "package:inventree/preferences.dart";
@@ -53,6 +54,7 @@ class _HomeScreenSettingsState extends State<HomeScreenSettingsWidget> {
         key: _settingsKey,
         appBar: AppBar(
           title: Text(L10().homeScreen),
+          backgroundColor: COLOR_APP_BAR,
         ),
         body: Container(
             child: ListView(

lib/settings/login.dart

@@ -108,6 +108,7 @@ class _InvenTreeLoginState extends State<InvenTreeLoginWidget> {
     return Scaffold(
       appBar: AppBar(
         title: Text(L10().login),
+        backgroundColor: COLOR_APP_BAR,
         actions: [
           IconButton(
             icon: Icon(TablerIcons.transition_right, color: COLOR_SUCCESS),

lib/settings/part_settings.dart

@@ -3,6 +3,7 @@ import "package:flutter/material.dart";
 import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
 
 import "package:inventree/l10.dart";
+import "package:inventree/app_colors.dart";
 import "package:inventree/preferences.dart";
 
 
@@ -45,7 +46,10 @@ class _InvenTreePartSettingsState extends State<InvenTreePartSettingsWidget> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(title: Text(L10().partSettings)),
+      appBar: AppBar(
+        title: Text(L10().partSettings),
+          backgroundColor: COLOR_APP_BAR
+      ),
       body: Container(
         child: ListView(
           children: [

lib/settings/release.dart

@@ -1,5 +1,6 @@
 import "package:flutter/material.dart";
 import "package:flutter_markdown/flutter_markdown.dart";
+import "package:inventree/app_colors.dart";
 import "package:url_launcher/url_launcher.dart";
 
 import "package:inventree/l10.dart";
@@ -16,7 +17,8 @@ class ReleaseNotesWidget extends StatelessWidget {
   Widget build (BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text(L10().releaseNotes)
+        title: Text(L10().releaseNotes),
+        backgroundColor: COLOR_APP_BAR,
       ),
       body: Markdown(
         selectable: false,
@@ -54,6 +56,7 @@ class CreditsWidget extends StatelessWidget {
     return Scaffold(
       appBar: AppBar(
         title: Text(L10().credits),
+        backgroundColor: COLOR_APP_BAR,
       ),
       body: Markdown(
         selectable: false,

lib/settings/settings.dart

@@ -43,6 +43,7 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
       key: _scaffoldKey,
       appBar: AppBar(
         title: Text(L10().settings),
+        backgroundColor: COLOR_APP_BAR,
       ),
       body: Center(
         child: ListView(