added save image and more feature

lib/pages/tentang.dart

@@ -1,18 +1,105 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_hooks/flutter_hooks.dart';
+// import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:hive_flutter/hive_flutter.dart';
 
-class Tentang extends HookWidget {
-  const Tentang({ Key? key }) : super(key: key);
+import '../model/model_data.dart';
+
+class Tentang extends StatefulWidget {
+  const Tentang({Key? key}) : super(key: key);
+
+  @override
+  _TentangState createState() => _TentangState();
+}
+
+class _TentangState extends State<Tentang> {
+  // late var box;
+
+  Future<Box<Model>> _openBox() async {
+    return await Hive.openBox<Model>('model');
+  }
+
+  @override
+  void dispose() {
+    Hive.close();
+    super.dispose();
+  }
 
   @override
   Widget build(BuildContext context) {
+    // _openBox();
     return Scaffold(
       appBar: AppBar(
-        title : const Text('Tentang'),
+        title: const Text('Tentang'),
       ),
-      body: const Center(
-        child: Text('Tentang'),
+      body: Center(
+        child: Column(
+          children: [
+            ElevatedButton(
+              child: const Text('Tentang'),
+              onPressed: () {
+                tambah_data();
+              },
+            ),
+            FutureBuilder(
+              future: _openBox(),
+              builder: (context, snapshot) {
+                if (snapshot.connectionState == ConnectionState.done) {
+                  return ValueListenableBuilder<Box<Model>>(
+                    valueListenable: Hive.box<Model>('model').listenable(),
+                    builder: (context, box, _) {
+                      final model = box.values.toList().cast<Model>();
+                      // ignore: avoid_print
+                      print(model);
+                      // create widget of list
+                      return Expanded(
+                        child: ListView.builder(
+                          padding: const EdgeInsets.all(8),
+                          itemCount: model.length,
+                          itemBuilder: (context, index) {
+                            return Card(
+                              child: ListTile(
+                                title: Text(model[index].datanya),
+                                subtitle:
+                                    Text(model[index].createdDate.toString()),
+                                trailing: ElevatedButton(
+                                    onPressed: () {
+                                      box.deleteAt(index);
+                                    },
+                                    child: const Text('Hapus')),
+                              ),
+                            );
+                          },
+                        ),
+                      );
+                    },
+                  );
+                } else {
+                  return const Text('Loading...');
+                }
+              },
+            ),
+          ],
+        ),
       ),
     );
   }
-}
+
+  // ignore: non_constant_identifier_names
+  Future tambah_data() async {
+    // final box = await Hive.openBox<Model>('model');
+    final model = Model()
+      ..createdDate = DateTime.now()
+      ..datanya = 'Tentang1';
+
+    final box = await Hive.openBox<Model>('model');
+    box.add(model);
+    // box.add(model);
+  }
+}
+
+// class Boxes {
+//   static Box<Model> getData() {
+//     Hive.openBox<Model>('model');
+//     return Hive.box<Model>('model');
+//   }
+// }