fixed nav color problem

lib/database/database.dart

@@ -1,90 +1,103 @@
 import 'package:path/path.dart';
+import 'package:sqflite/sqflite.dart';
 
 // Models
 import 'package:progetto_m335_flutter/model/note.dart';
 import 'package:progetto_m335_flutter/model/promemoria.dart';
-import 'package:sqflite/sqflite.dart';
 
 class NoteDatabase {
   static final NoteDatabase instance = NoteDatabase._init();
   static Database? _database;
 
+  // Zero args constructor needed to extend this class
+  NoteDatabase();
+
   NoteDatabase._init();
 
   Future<Database> get database async {
     if (_database != null) return _database!;
+
     _database = await _initDB('note.db');
     return _database!;
   }
 
   Future<Database> _initDB(String filePath) async {
-    print("Initializing database");
+    // On Android, it is typically data/data//databases.
+    // On iOS and MacOS, it is the Documents directory.
     final databasePath = await getDatabasesPath();
+    // Directory databasePath = await getApplicationDocumentsDirectory();
 
     final path = join(databasePath, filePath);
-
     return await openDatabase(path, version: 1, onCreate: _createDB);
   }
 
   Future _createDB(Database database, int version) async {
+    //check if the database is created
+    if (database.query(noteTable) != null) {
+      print("Database already created");
 
-    await database.execute('''CREATE TABLE promemoria (
+    }else{
+      print("demo data inserting");
+      await database.execute('''CREATE TABLE promemoria (
   id INTEGER PRIMARY KEY AUTOINCREMENT,
   title TEXT NOT NULL,
   creationDate TEXT NOT NULL,
   lastModificationDate TEXT,
   expirationDate TEXT,
-  arrayPromemoria TEXT,
   description TEXT,
   priority TEXT,
   color TEXT
 );
     ''');
 
-    await database.execute('''CREATE TABLE note (
+      await database.execute('''CREATE TABLE note (
   id INTEGER PRIMARY KEY AUTOINCREMENT,
   title TEXT NOT NULL,
   creationDate TEXT NOT NULL,
   lastModificationDate TEXT,
-  arrayPromemoria TEXT,
   description TEXT
 );
     ''');
 
-    print("database created");
+      print("database created");
+    }
+
+
     await fillDemoData(database, version);
   }
 
   Future fillDemoData(Database database, int version) async {
+    
+    print("boh speriamo funzioni");
+    // Add some fake accounts
+
+
     // Add fake categories
     await database.execute('''
   INSERT INTO note (
     title,
     creationDate,
     lastModificationDate,
-    arrayPromemoria,
     description
   ) VALUES (
     'Nota 2',
     '2023-09-28',
     '2023-09-28',
-    '',
     'Questo è un esempio di nota 2.'
   )
 ''');
 
+
     await database.execute('''
   INSERT INTO note (
     title,
     creationDate,
     lastModificationDate,
-    arrayPromemoria,
     description
   ) VALUES (
     'Nota 2',
     '2023-09-28',
     '2023-09-28',
-    '',
     'Questo è un esempio di nota 2.'
   )
 ''');
@@ -96,7 +109,6 @@ class NoteDatabase {
     creationDate,
     lastModificationDate,
     expirationDate,
-    arrayPromemoria,
     description,
     priority,
     color
@@ -105,7 +117,6 @@ class NoteDatabase {
     '2023-09-27',
     '2023-09-27',
     '2023-10-05',
-    '',
     'Questo è un esempio di promemoria 1.',
     'Alta',
     'Rosso'
@@ -119,7 +130,6 @@ class NoteDatabase {
     creationDate,
     lastModificationDate,
     expirationDate,
-    arrayPromemoria,
     description,
     priority,
     color
@@ -128,7 +138,6 @@ class NoteDatabase {
     '2023-09-28',
     '2023-09-28',
     '2023-10-10',
-    '',
     'Questo è un esempio di promemoria 2.',
     'Media',
     'Verde'
@@ -150,42 +159,6 @@ class NoteDatabase {
     }
   }
 
-  Future close() async {
-    final database = await instance.database;
-    database.close();
-  }
-
-  Future<void> deleteDatabase() async {
-    try {
-      final databasePath = await getDatabasesPath();
-      final path = join(databasePath, 'note.db');
-      databaseFactory.deleteDatabase(path);
-    } catch (error) {
-      throw Exception('DbBase.deleteDatabase: $error');
-    }
-  }
-
-  Future<void> createNote(Database database, Note note) async {
-    await database.execute('''
-      INSERT INTO note (
-        title,
-        creationDate,
-        lastModificationDate,
-        arrayPromemoria,
-        description,
-
-      ) VALUES (
-        '$note.title}',
-        '$note.creationDate',
-        '$note.lastModificationDate',
-        '$note.arrayPromemoria.toString()',
-        '$note.description',
-      )
-    ''');
-
-    print('note $note.title inserted');
-  }
-
   Future<List<Map>> selectAllPromemoria() async {
     final db = await database;
 
@@ -194,61 +167,15 @@ class NoteDatabase {
     return maps;
   }
 
-  Future<List<Map>> selectAllNotes() async {
-    final db = await database;
-
-    final List<Map<String, dynamic>> maps = await db.query(noteTable);
-
-    return maps;
+  Future close() async {
+    final database = await instance.database;
+    database.close();
   }
 
-  Future<void> createPromemoria(
-      Database database, Promemoria promemoria) async {
-    await database.execute('''
-      INSERT INTO promemoria (
-        title,
-        creationDate,
-        lastModificationDate,
-        expirationDate,
-        arrayPromemoria,
-        description,
-        priority,
-        color
-      ) VALUES (
-        '$promemoria.title',
-        '$promemoria.creationDate',
-        '$promemoria.lastModificationDate',
-        '$promemoria.expirationDate',
-        '$promemoria.arrayPromemoria.toString()',
-        '$promemoria.description',
-        '$promemoria.priority',
-        '$promemoria.color'
-      )
-    ''');
-
-    print('promemoria $promemoria.title inserted');
+  // WARNING: FOR DEV/TEST PURPOSES ONLY!!
+  Future<void> deleteDatabase() async {
+    final databasePath = await getDatabasesPath();
+    final path = join(databasePath, 'note.db');
+    databaseFactory.deleteDatabase(path);
   }
-
-  Future<Map<String, Object?>> readPromemoria(int id) async {
-    final db = await database;
-
-    final results = await db.query('SELECT * FROM note where id=$id');
-    return results.first;
-  }
-
-  Future<Map<String, Object?>> readNote(int id) async {
-    final db = await database;
-
-    final results = await db.query('SELECT * FROM promemoria where id=$id');
-
-    return results.first;
-  }
-
-//  Future<void> updatePromemoria(Promemoria promemoria) async {
-//  final db = await database;
-
-//await db.update('promemoria', promemoria, where: 'id = ?',
-// Pass the Dog's id as a whereArg to prevent SQL injection.
-//  whereArgs: [dog.id],)
-//}
 }

lib/main.dart

@@ -3,5 +3,4 @@ import 'myApp.dart';
 
 void main() {
   runApp(MyApp());
-  print("App started");
 }

lib/myApp.dart

@@ -4,7 +4,6 @@ import 'navigation.dart';
 class MyApp extends StatelessWidget {
   const MyApp({ Key? key }) : super(key: key);
 
-
   @override
   Widget build(BuildContext context) {
     return MaterialApp(

lib/navigation.dart

@@ -47,6 +47,7 @@ class _NavigationState extends State<Navigation> {
         ],
         currentIndex: _selectedIndex,
         onTap: _onItemTapped,
+        type: BottomNavigationBarType.fixed,
       ),
     );
   }

lib/pages/test.dart

@@ -29,14 +29,6 @@ class _TestState extends State<Test> {
     print("Data printed");
   }
 
-  Future<void> _deletedatabase() async {
-    final db = await noteDatabase.database;
-
-    print("Deleting database");
-    await db.delete(noteTable);
-    print("Database deleted");
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -44,8 +36,7 @@ class _TestState extends State<Test> {
             child: Column(
               children: [
                 FloatingActionButton(onPressed: _pressed),
-                FloatingActionButton(onPressed: _printdata),
-                FloatingActionButton(onPressed: _deletedatabase)
+                FloatingActionButton(onPressed: _printdata)
               ],
             )
         )