flutter-sport/lib/pages/my/weight_page.dart

import 'package:flutter/material.dart';
import 'package:get_it/get_it.dart';
import 'package:provider/provider.dart';
import 'package:sport/provider/login_info_model.dart';
import 'package:sport/provider/user_model.dart';
import 'package:sport/router/navigator_util.dart';
import 'package:sport/widgets/appbar.dart';
import 'package:sport/widgets/button_cancel.dart';
import 'package:sport/widgets/button_primary.dart';
import 'package:sport/widgets/dialog/request_dialog.dart';
import 'package:sport/widgets/ruler_widget.dart';

class WeightPage extends StatefulWidget {
  final bool update;

  const WeightPage({Key? key, this.update = false}) : super(key: key);

  @override
  State<StatefulWidget> createState() => _PageState();
}

class _PageState extends State<WeightPage> {
  late ValueNotifier<double> _valueNotifier;

  @override
  void initState() {
    super.initState();
    _valueNotifier = ValueNotifier(60.0);
    var user = Provider.of<UserModel>(context, listen: false);
    var weight = user.user.weight;
    if (weight == null || weight == 0) {
      weight = user.user.gender == 1 ? 65.0 : 50.0;
    }
    _valueNotifier.value = weight;
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        backgroundColor: Colors.white,
        appBar: buildAppBar(context),
        body: SingleChildScrollView(
          child: Column(
            children: [
              SizedBox(
                height: 50.0,
              ),
              Text(
                "体重信息填写",
                style: Theme.of(context).textTheme.headline1!.copyWith(fontSize: 25.0),
              ),
              if (widget.update == false)
                Padding(
                  padding: const EdgeInsets.all(8.0),
                  child: Text(
                    "真实填写个人信息会让运动数据更精确",
                    style: Theme.of(context).textTheme.bodyText1!,
                  ),
                ),
              SizedBox(
                height: 30.0,
              ),
              Row(
                mainAxisSize: MainAxisSize.min,
                crossAxisAlignment: CrossAxisAlignment.end,
                children: [
                  Container(
                    width: 20,
                  ),
                  ValueListenableBuilder<double>(
                      valueListenable: _valueNotifier,
                      builder: (_, value, __) => Text(
                            "${value.toStringAsFixed(1)}",
                            style: Theme.of(context).textTheme.headline1!.copyWith(
                                  fontSize: 40.0,
                                  fontFamily: "DIN",
                                ),
                          )),
                  Container(
                    width: 20,
                    child: Padding(
                      padding: const EdgeInsets.only(bottom: 8.0),
                      child: Text(
                        " kg",
                        style: Theme.of(context).textTheme.subtitle1!,
                      ),
                    ),
                  ),
                ],
              ),
              NotificationListener<RulerValue>(
                child: RulerWidget(
                  initialIndex: _valueNotifier.value,
                ),
                onNotification: (v) {
                  _valueNotifier.value = v.value;
                  return true;
                },
              ),
              widget.update == false
                  ? Container(
                      margin: EdgeInsets.all(25),
                      child: PrimaryButton(
                        content: "完成",
                        callback: () async {
                          await _updateInfo();
                          NavigatorUtil.goHomePage(context);
                        },
                      ),
                    )
                  : Padding(
                      padding: const EdgeInsets.all(16.0),
                      child: Row(
                        children: [
                          Expanded(
                              child: Padding(
                            padding: const EdgeInsets.all(8.0),
                            child: CancelButton(
                              content: "取消",
                              callback: () {
                                Navigator.maybePop(context);
                              },
                            ),
                          )),
                          Expanded(
                              child: Padding(
                            padding: const EdgeInsets.all(8.0),
                            child: PrimaryButton(
                              content: "完成",
                              callback: () async {
                                await _updateInfo();
                                Navigator.maybePop(context);
                              },
                            ),
                          )),
                        ],
                      ),
                    )
            ],
          ),
        ));
  }

  _updateInfo() async {
    await request(context, () async {
      LoginInfoModel _loginInfoModel = GetIt.I();
      await _loginInfoModel.updateUserInfoEx(context, weight: _valueNotifier.value, ignoreNameCard: 1);
    });
  }
}