hive implementation

save todo in hive
first release

lib/pages/home_page.dart

@@ -0,0 +1,95 @@
+import 'package:flutter/material.dart';
+import 'package:todo/data/database.dart';
+import 'package:todo/utils/dialog_box.dart';
+import 'package:todo/utils/todo_tile.dart';
+import 'package:hive_flutter/hive_flutter.dart';
+
+class MyHomePage extends StatefulWidget {
+  const MyHomePage({Key? key, required this.title}) : super(key: key);
+
+  final String title;
+
+  @override
+  State<MyHomePage> createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<MyHomePage> {
+  //reference hive todo box
+  final _myBox = Hive.box('todoBox');
+
+  ToDoDataBase db = ToDoDataBase();
+
+  final _controller = TextEditingController();
+
+  @override
+  void initState() {
+    // TODO: implement initState
+    // first time
+    if (_myBox.get('todos') == null) {
+      db.createInitialData();
+    } else {
+      db.loadData();
+    }
+
+    super.initState();
+  }
+
+  void checkBoxChanged(bool? value, int index) {
+    setState(() {
+      db.todoList[index][1] = !db.todoList[index][1];
+    });
+    db.updateData();
+  }
+
+  void saveNewTask() {
+    setState(() {
+      db.todoList.add([_controller.text, false]);
+      _controller.clear();
+    });
+    db.updateData();
+    Navigator.of(context).pop();
+  }
+
+  void createNewTask() {
+    showDialog(
+        context: context,
+        builder: (context) {
+          return DialogBox(
+            controller: _controller,
+            onCancel: () => Navigator.of(context).pop(),
+            onSave: saveNewTask,
+          );
+        });
+  }
+
+  void deleteTask(int index) {
+    setState(() {
+      db.todoList.removeAt(index);
+    });
+    db.updateData();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.title),
+      ),
+      body: ListView.builder(
+          itemCount: db.todoList.length,
+          itemBuilder: (context, index) {
+            return ToDoTile(
+              taskName: db.todoList[index][0],
+              taskCompleted: db.todoList[index][1],
+              onChanged: (value) => checkBoxChanged(value, index),
+              deleteFunction: (context) => deleteTask(index),
+            );
+          }),
+      floatingActionButton: FloatingActionButton(
+        onPressed: createNewTask,
+        tooltip: 'Increment',
+        child: const Icon(Icons.add),
+      ), // This trailing comma makes auto-formatting nicer for build methods.
+    );
+  }
+}