dependencies:
hive: ^2.2.3
hive_flutter: ^1.1.0
dev_dependencies:
build_runner: ^2.4.7
hive_generator: ^2.0.1await Hive.initFlutter();
void main() async {
await Hive.initFlutter();
runApp(const MyApp());
}await Hive.openBox("openBox");
Hive.openLazyBox("openBox");
Hive.openBox("person");
Box box = Hive.box("person");
box.put("name", "tyger");
box.put("age", 20);
box.add("tyger1");
print(box.values);
// (tyger1, 20, tyger)
print(box.keys);
// (0, age, name)
print(box.get("name"));
// tyger
print(box.get("age"));
// 20
print(box.get("birthday", defaultValue: 20230101));
// 20230101
Box box = Hive.box("person");
box.deleteAll(["name", "age"]);
Box box = Hive.box("person");
box.put("name", "tyger");
print(box.get("name"));
// tygerBox box = Hive.box("person");
box.put("person", {
"name": "tyger",
"age": 20,
});
final person = box.get("person");
print(person);
print(person["name"]);
// {name: tyger, age: 20}
// tyger
box.putAll({
"person1": {
"name": "tyger1",
"age": 30,
},
"person2": {
"name": "tyger2",
"age": 40,
},
});
print(box.values);
// {name: tyger, age: 20}, {name: tyger1, age: 30}, {name: tyger2, age: 40}
List<dynamic> query = box.values.where((e) => e["age"] == 30).toList();
print(query);
// [{name: tyger1, age: 30}]part 'car.g.dart';
@HiveType(typeId: 1)
class Car {
@HiveField(0)
int number;
@HiveField(1)
Brand type;
@HiveField(2)
String name;
@HiveField(3)
List<String> colors;
@HiveField(4)
bool isRoof;
Car({
required this.number,
required this.brand,
required this.name,
required this.colors,
required this.isRoof,
});
@override
String toString() =>
"Car(number: $number, brand: $brand, name: $name, colors: $colors, isRoof: $isRoof)";
}
Hive.registerAdapter(CarAdapter());
Box box = Hive.box("car_factory");
box.addAll(cars);
print(box.values);ValueListenableBuilder<Box>(
valueListenable: Hive.box("car_factory").listenable(),
builder: (BuildContext context, Box value, Widget? child) {
...
}),
