fix(app): add app-icon and applied themes (#6)

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+  <background android:drawable="@drawable/ic_launcher_background"/>
+  <foreground>
+      <inset
+          android:drawable="@drawable/ic_launcher_foreground"
+          android:inset="16%" />
+  </foreground>
+</adaptive-icon>

flutter_launcher_icons.yaml

@@ -0,0 +1,25 @@
+dev_dependencies:
+  flutter_launcher_icons: "^0.14.3"
+
+flutter_launcher_icons:
+  image_path_android: "img/circle_icon_1024x1024.png"
+  image_path_ios: "img/icon_1024x1024.png"
+  android: true
+  ios: false
+  adaptive_icon_background: "img/background.png"
+  adaptive_icon_foreground: "img/icon.png"
+  min_sdk_android: 21
+  remove_alpha_ios: true
+  background_color_ios: "#3789C4"
+  web:
+    generate: false
+    image_path: "img/icon_circle_1024x1024.png"
+    background_color: "#3789C4"
+    theme_color: "#3789C4"
+  windows:
+    generate: false
+    image_path: "img/icon_circle_1024x1024.png"
+    icon_size: 48
+  macos:
+    generate: false
+    image_path: "img/icon_circle_1024x1024.png"

lib/src/app.dart

@@ -10,8 +10,10 @@ class App extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Flutter Demo',
+      title: 'Create Invoice',
       theme: theme,
+      darkTheme: darkTheme,
+      themeMode: ThemeMode.system,
       initialRoute: '/',
       onGenerateRoute: onGenerateRoute,
     );

lib/src/routes/add_item_page.dart

@@ -59,6 +59,7 @@ class _AddItemPageState extends State<AddItemPage> {
               padding: hP,
               child: TextFormField(
                 controller: _nameCon,
+                keyboardType: TextInputType.name,
                 decoration: InputDecoration(
                   labelText: 'Item name',
                   hintText: 'Item name',

lib/src/routes/auth_page.dart

@@ -59,7 +59,11 @@ class _AuthPageState extends State<AuthPage> {
     await _initStore();
     await _initRecipient();
     await Future.delayed(const Duration(seconds: 2));
-    _toHome();
+    if (_stores.isEmpty || _recipients.isEmpty) {
+      _auth();
+    } else {
+      _toHome();
+    }
   }
 
   void _toHome() {

lib/src/routes/invoice_page.dart

@@ -136,6 +136,8 @@ class _InvoicePageState extends State<InvoicePage> {
         },
       ),
       floatingActionButton: FloatingActionButton.extended(
+        backgroundColor: colors.primary,
+        foregroundColor: colors.onPrimary,
         onPressed: () => _onCreateInvoice(),
         icon: Icon(Icons.upload_file),
         label: Text('Create invoice'),
@@ -195,18 +197,25 @@ class _InvoicePageState extends State<InvoicePage> {
 
   Future<void> _onCreateInvoice() async {
     final nav = Navigator.of(context);
-    final items = await _db.findAllPurchaseItems();
-    if (items.isEmpty) {
-      _onEmpty();
+    final msg = ScaffoldMessenger.of(context);
+    final granted = await requestPermission();
+    if (granted) {
+      final items = await _db.findAllPurchaseItems();
+      if (items.isEmpty) {
+        _onEmpty();
+      } else {
+        final arguments = PreviewArgs(widget.store, widget.recipient, items);
+        nav.pushNamed('/preview', arguments: arguments);
+      }
     } else {
-      final arguments = PreviewArgs(widget.store, widget.recipient, items);
-      nav.pushNamed('/preview', arguments: arguments);
+      const str = 'Permission denied';
+      msg.showSnackBar(SnackBar(content: Text(str)));
     }
   }
 
   void _onEmpty() {
     final msg = ScaffoldMessenger.of(context);
-    const str = 'Can\'t proceed, there\'s no purchase item.';
+    const str = 'Can\'t proceed, there\'s no purchase item';
     msg.showSnackBar(SnackBar(content: Text(str)));
   }
 

lib/src/routes/preview_page.dart

@@ -65,9 +65,9 @@ class _PreviewPageState extends State<PreviewPage> {
         canChangeOrientation: false,
         canChangePageFormat: false,
         canDebug: false,
-        pdfPreviewPageDecoration: BoxDecoration(
-          color: colors.surface,
-          boxShadow: null,
+        actionBarTheme: PdfActionBarTheme(
+          backgroundColor: colors.primary,
+          iconColor: colors.onPrimary,
         ),
         actions: [
           IconButton(

lib/src/routes/store_page.dart

@@ -16,9 +16,10 @@ class StorePage extends StatelessWidget {
       appBar: AppBar(
         title: Text('Store'),
         actions: [
-          TextButton(
+          TextButton.icon(
             onPressed: () => onAddItem(context),
-            child: Text('Add item'),
+            label: Text('Add item'),
+            icon: Icon(Icons.add),
           ),
         ],
       ),

lib/src/theme.dart

@@ -1,21 +1,20 @@
 import 'package:flutter/material.dart';
 
-final theme = ThemeData(
-  // This is the theme of your application.
-  //
-  // TRY THIS: Try running your application with "flutter run". You'll see
-  // the application has a purple toolbar. Then, without quitting the app,
-  // try changing the seedColor in the colorScheme below to Colors.green
-  // and then invoke "hot reload" (save your changes or press the "hot
-  // reload" button in a Flutter-supported IDE, or press "r" if you used
-  // the command line to start the app).
-  //
-  // Notice that the counter didn't reset back to zero; the application
-  // state is not lost during the reload. To reset the state, use hot
-  // restart instead.
-  //
-  // This works for code too, not just values: Most code changes can be
-  // tested with just a hot reload.
-  colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
-  useMaterial3: true,
+const kSeedColor = Color(0xff687CE1);
+const kContrastLevel = -0.5;
+
+final theme = ThemeData.light().copyWith(
+  colorScheme: ColorScheme.fromSeed(
+    seedColor: kSeedColor,
+    brightness: Brightness.light,
+    contrastLevel: kContrastLevel,
+  ),
+);
+
+final darkTheme = ThemeData.dark().copyWith(
+  colorScheme: ColorScheme.fromSeed(
+    seedColor: kSeedColor,
+    brightness: Brightness.dark,
+    contrastLevel: kContrastLevel,
+  ),
 );

lib/src/utils.dart

@@ -43,3 +43,7 @@ Future<void> downloadPdf(Uint8List pdfBytes) async {
     debugPrint("Permission denied.");
   }
 }
+
+Future<bool> requestPermission() async {
+  return await Permission.manageExternalStorage.request().isGranted;
+}

pubspec.yaml

@@ -61,6 +61,7 @@ dev_dependencies:
   isar_generator:
     hosted: https://pub.isar-community.dev
     version: ^3.1.8
+  flutter_launcher_icons: ^0.14.3
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec