diff --git a/android/app/build.gradle b/android/app/build.gradle
index ea07413..de67e0c 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -2,6 +2,7 @@ plugins {
     id "com.android.application"
     id "kotlin-android"
     id "dev.flutter.flutter-gradle-plugin"
+    id 'com.google.gms.google-services'
 }
 
 def localProperties = new Properties()
@@ -64,4 +65,7 @@ flutter {
     source '../..'
 }
 
-dependencies {}
+dependencies {
+    implementation platform('com.google.firebase:firebase-bom:32.3.1')
+    implementation 'com.google.firebase:firebase-analytics-ktx'
+}
diff --git a/lib/database/FireDb.dart b/lib/database/FireDb.dart
new file mode 100644
index 0000000..a0775a8
--- /dev/null
+++ b/lib/database/FireDb.dart
@@ -0,0 +1,167 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:flutter/material.dart';
+import 'package:progetto_m335_flutter/model/promemoria.dart';
+import 'package:progetto_m335_flutter/model/note.dart';
+
+class FireDb {
+
+  Future createPromemoria(Promemoria promemoria) async {
+    final docPromemoria =
+        FirebaseFirestore.instance.collection('promemoria').doc();
+
+    final json = {
+      'id': docPromemoria.id,
+      'title': promemoria.getTitle(),
+      'creationDate': promemoria.getCreationDate(),
+      'lastModificationDate': promemoria.getLastModificationDate(),
+      'expirationDate': promemoria.getExpirationDate(),
+      'arrayPromemoria': promemoria.getArrayPromemoria(),
+      'description': promemoria.getDescription(),
+      'priority': promemoria.getPriority(),
+      'color': promemoria.getColor(),
+    };
+
+    await docPromemoria.set(json);
+  }
+
+  Future createAllPromemoria(List<Promemoria> promemorias) async {
+    for (var promemoria in promemorias) {
+      await createPromemoria(promemoria);
+    }
+  }
+
+  Future createNote(Note note) async {
+    final docNote = FirebaseFirestore.instance.collection('note').doc();
+
+    final json = {
+      'id': docNote.id,
+      'title': note.getTitle(),
+      'creationDate': note.getCreationDate(),
+      'lastModificationDate': note.getLastModificationDate(),
+      'arrayPromemoria': note.getArrayPromemoria(),
+      'description': note.getDescription(),
+    };
+
+    await docNote.set(json);
+  }
+
+  Future createAllNotes(List<Note> notes) async {
+    for (var note in notes) {
+      await createNote(note);
+    }
+  }
+
+  Future<List<Promemoria>> readAllPromemoria() async {
+    var promemorias =
+        await FirebaseFirestore.instance.collection('promemoria').get();
+
+    List<Promemoria> promemoriaList = [];
+
+    for (var promemoria in promemorias.docs) {
+      promemoriaList.add(Promemoria.fromJson(promemoria.data()));
+    }
+
+    return promemoriaList;
+  }
+
+  Future<List<Note>> readAllNotes() async {
+    var notes = await FirebaseFirestore.instance.collection('note').get();
+
+    List<Note> noteList = [];
+
+    for (var note in notes.docs) {
+      noteList.add(Note.fromJson(note.data()));
+    }
+
+    return noteList;
+  }
+
+  Future<Note?> readNoteById(String id) async {
+    var docNote = await FirebaseFirestore.instance.collection('note').doc(id);
+    final snapshot = await docNote.get();
+
+    if (snapshot.exists) {
+      return Note.fromJson(snapshot.data()!);
+    } else {
+      return null;
+    }
+  }
+
+  Future<Promemoria?> readPromemoriaById(String id) async {
+    final docPromemoria =
+        await FirebaseFirestore.instance.collection('promemoria').doc(id);
+    final snapshot = await docPromemoria.get();
+
+    if (snapshot.exists) {
+      return Promemoria.fromJson(snapshot.data()!);
+    } else {
+      return null;
+    }
+  }
+
+  /*
+
+  Future updateNote(Note note) async {
+    final docNote = FirebaseFirestore.instance.collection('note').doc(note.getId());
+
+    final json = {
+      'id': note.getId(),
+      'title': note.getTitle(),
+      'creationDate': note.getCreationDate(),
+      'lastModificationDate': note.getLastModificationDate(),
+      'arrayPromemoria': note.getArrayPromemoria(),
+      'description': note.getDescription(),
+    };
+
+    await docNote.update(json);
+  }
+
+  Future updatePromemoria(Promemoria promemoria) async {
+    final docPromemoria = FirebaseFirestore.instance.collection('promemoria').doc(promemoria.getId());
+
+    final json = {
+      'id': docPromemoria.id,
+      'title': promemoria.getTitle(),
+      'creationDate': promemoria.getCreationDate(),
+      'lastModificationDate': promemoria.getLastModificationDate(),
+      'expirationDate': promemoria.getExpirationDate(),
+      'arrayPromemoria': promemoria.getArrayPromemoria(),
+      'description': promemoria.getDescription(),
+      'priority': promemoria.getPriority(),
+      'color': promemoria.getColor(),
+    };
+
+    await docPromemoria.update(json);
+  }
+
+   */
+
+  Future deleteNoteById(String id) async {
+    final docNote = FirebaseFirestore.instance.collection('note').doc(id);
+
+    await docNote.delete();
+  }
+
+  Future deletePromemoriaById(String id) async {
+    final docPromemoria = FirebaseFirestore.instance.collection('promemoria').doc(id);
+
+    await docPromemoria.delete();
+  }
+
+  Future deleteAllNotes() async {
+    var notes = await FirebaseFirestore.instance.collection('note').get();
+
+    for (var note in notes.docs) {
+      await deleteNoteById(note.id);
+    }
+  }
+
+  Future deleteAllPromemoria() async {
+    var promemorias = await FirebaseFirestore.instance.collection('promemoria').get();
+
+    for (var promemoria in promemorias.docs) {
+      await deletePromemoriaById(promemoria.id);
+    }
+  }
+
+}
diff --git a/lib/main.dart b/lib/main.dart
index 9fac54f..f743340 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,7 +1,10 @@
+import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/material.dart';
 import 'myApp.dart';
 
-void main() {
+Future<void> main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await Firebase.initializeApp();
   runApp(MyApp());
   print("App started");
 }
diff --git a/lib/model/note.dart b/lib/model/note.dart
index 7172796..f6c8b12 100644
--- a/lib/model/note.dart
+++ b/lib/model/note.dart
@@ -2,13 +2,13 @@ import 'base_entity.dart';
 
 const String noteTable = 'note';
 
-class Note extends BaseEntity {
-  static String id = BaseEntity.getId;
-  static String title = BaseEntity.getTitle;
-  static String creationDate = BaseEntity.getCreationDate;
-  static String lastModificationDate = BaseEntity.getLastEditDate;
-  static String arrayPromemoria = '';
-  static String description = '';
+class Note{
+  String id;
+  String title;
+  String creationDate;
+  String lastModificationDate;
+  String arrayPromemoria;
+  String description;
 
   Map<String, dynamic> toMap() {
     return {
@@ -21,51 +21,68 @@ class Note extends BaseEntity {
     };
   }
 
+  Note(
+    this.id,
+    this.title,
+    this.creationDate,
+    this.lastModificationDate,
+    this.arrayPromemoria,
+    this.description,
+  );
+
   String getId() {
     return id;
   }
 
-  void setId(String id) {
-    id = id;
+  void setId(String id1) {
+    id = id1;
   }
 
   String getTitle() {
     return title;
   }
 
-  void setTitle(String title) {
-    title = title;
+  void setTitle(String title1) {
+    title = title1;
   }
 
   String getCreationDate() {
     return creationDate;
   }
 
-  void setCreationDate(String creationDate) {
-    creationDate = creationDate;
+  void setCreationDate(String creationDate1) {
+    creationDate = creationDate1;
   }
 
   String getLastModificationDate() {
     return lastModificationDate;
   }
 
-  void setLastModificationDate(String lastModificationDate) {
-    lastModificationDate = lastModificationDate;
+  void setLastModificationDate(String lastModificationDate1) {
+    lastModificationDate = lastModificationDate1;
   }
 
   String getArrayPromemoria() {
     return arrayPromemoria;
   }
 
-  void setArrayPromemoria(String arrayPromemoria) {
-    arrayPromemoria = arrayPromemoria;
+  void setArrayPromemoria(String arrayPromemoria1) {
+    arrayPromemoria = arrayPromemoria1;
   }
 
   String getDescription() {
     return description;
   }
 
-  void setDescription(String description) {
-    description = description;
+  void setDescription(String description1) {
+    description = description1;
   }
+
+  static Note fromJson(Map<String, dynamic> data) => Note(
+      data['id'],
+      data['title'],
+      data['creationDate'],
+      data['lastModificationDate'],
+      data['arrayPromemoria'],
+      data['description']);
 }
diff --git a/lib/model/promemoria.dart b/lib/model/promemoria.dart
index d57a9fc..40a5f2f 100644
--- a/lib/model/promemoria.dart
+++ b/lib/model/promemoria.dart
@@ -4,16 +4,37 @@ import 'identifiers/enum/priority.dart';
 
 const String promemoriaTable = 'promemoria';
 
-class Promemoria extends BaseEntity {
-  static String id = BaseEntity.getId;
-  static String title = BaseEntity.getTitle;
-  static String creationDate = BaseEntity.getCreationDate;
-  static String lastModificationDate = BaseEntity.getLastEditDate;
-  static String expirationDate = '';
-  static String arrayPromemoria = '';
-  static String description = '';
-  static Priority priority = Priority.none;
-  static Color color = Color.none;
+class Promemoria {
+  String id = '';
+  String title;
+  String creationDate;
+  String lastModificationDate;
+  String expirationDate;
+  String arrayPromemoria;
+  String description;
+  String priority;
+  String color;
+
+  Promemoria(
+      this.id,
+      this.title,
+      this.creationDate,
+      this.lastModificationDate,
+      this.expirationDate,
+      this.arrayPromemoria,
+      this.description,
+      this.priority,
+      this.color);
+
+  Promemoria.newConstructor(
+      this.title,
+      this.creationDate,
+      this.lastModificationDate,
+      this.expirationDate,
+      this.arrayPromemoria,
+      this.description,
+      this.priority,
+      this.color);
 
   Map<String, dynamic> toMap() {
     return {
@@ -29,69 +50,92 @@ class Promemoria extends BaseEntity {
     };
   }
 
-  String getId(){
+  String getId() {
     return id;
   }
 
-  void setId(String id) {
-    id = id;
+  void setId(String id1) {
+    id = id1;
   }
 
   String getTitle() {
     return title;
   }
 
-  void setTitle(String title) {
-    title = title;
+  void setTitle(String title1) {
+    title = title1;
   }
 
   String getCreationDate() {
     return creationDate;
   }
 
-  void setCreationDate(String creationDate) {
-    creationDate = creationDate;
+  void setCreationDate(String creationDate1) {
+    creationDate = creationDate1;
   }
 
   String getLastModificationDate() {
     return lastModificationDate;
   }
 
-  void setLastModificationDate(String lastModificationDate) {
-    lastModificationDate = lastModificationDate;
+  void setLastModificationDate(String lastModificationDate1) {
+    lastModificationDate = lastModificationDate1;
   }
 
   String getExpirationDate() {
     return expirationDate;
   }
 
-  void setExpirationDate(String expirationDate) {
-    expirationDate = expirationDate;
+  void setExpirationDate(String expirationDate1) {
+    expirationDate = expirationDate1;
   }
 
   String getArrayPromemoria() {
     return arrayPromemoria;
   }
 
-  void setArrayPromemoria(String arrayPromemoria) {
-    arrayPromemoria = arrayPromemoria;
+  void setArrayPromemoria(String arrayPromemoria1) {
+    arrayPromemoria = arrayPromemoria1;
   }
 
   String getDescription() {
     return description;
   }
 
-  void setDescription(String description) {
-    description = description;
+  void setDescription(String description1) {
+    description = description1;
   }
 
-  Priority getPriority() {
+  String getPriority() {
     return priority;
   }
 
-  void setPriority(Priority priority) {
-    priority = priority;
+  void setPriority(Priority priority1) {
+    priority = priority1.toString();
   }
 
+  String getColor() {
+    return color;
+  }
 
+  void setColor(Color color1) {
+    color = color1.toString();
+  }
+
+  static Promemoria fromJson(Map<String, dynamic> data) {
+    Promemoria promemoria = Promemoria(
+        data['id'],
+        data['title'],
+        data['creationDate'],
+        data['lastModificationDate'],
+        data['expirationDate'],
+        data['arrayPromemoria'],
+        data['description'],
+        data['priority'],
+        data['color']);
+
+    print(promemoria.getId().toString());
+
+    return promemoria;
+  }
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index 818a39c..02ee7fe 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -40,6 +40,7 @@ dependencies:
   sqflite: ^2.3.0
   path: ^1.8.3
   sqflite_common_ffi: ^2.3.0+2
+  cloud_firestore: ^4.9.2
 
 dev_dependencies:
   flutter_test: