Class won't generate g.dart file automatically

Question

import 'package:flutter/material.dart';
import 'package:hive/hive.dart';

part 'person_model.g.dart';

@HiveType(typeId: 1)
class PersonModel extends HiveObject {
  @HiveField(0)
  int personID = UniqueKey().hashCode;

  @HiveField(1)
  String personName = "";

  @HiveField(2)
  double personWeight = 0.0;

  @HiveField(3)
  double personHeight = 0.0;

  @HiveField(4)
  double personBMI = 0.0;

  @HiveField(5)
  bool personHasGoodBMI = false;

  PersonModel();

  PersonModel.create(this.personID, this.personName, this.personWeight,
      this.personHeight, this.personBMI, this.personHasGoodBMI);
}

For some reason, when I run dart run build_runner build, the person_model.g.dart is not generated.

I get no errors, actually it gives me success but the file is nowhere to be found. It's the first time this happens to me, can I get any explanation?

Answer 1

Hi i solved this issue by changing your code like this

import 'package:flutter/material.dart';
import 'package:hive/hive.dart';

part 'person_model.g.dart';

@HiveType(typeId: 100)
class PersonModel {
  @HiveField(0)
  int personID = UniqueKey().hashCode;

  @HiveField(1)
  String personName = "";

  @HiveField(2)
  double personWeight = 0.0;

  @HiveField(3)
  double personHeight = 0.0;

  @HiveField(4)
  double personBMI = 0.0;

  @HiveField(5)
  bool personHasGoodBMI = false;

  PersonModel(this.personID, this.personName, this.personWeight,
      this.personHeight, this.personBMI, this.personHasGoodBMI);
}

For generate the .g.dart files use flutter pub run build_runner build --delete-conflicting-outputs

make sure that you fille is named as person_model.dart