flutter-sport/lib/pages/data/sport_reference_page.dart

import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:sport/application.dart';
import 'package:sport/bean/sport_detail.dart';
import 'package:sport/utils/sport_utils.dart';
import 'package:sport/widgets/button_cancel.dart';
import 'package:sport/widgets/button_primary.dart';

class SportReferencePage extends StatefulWidget {
  final RecordsTodaySum sum;

  const SportReferencePage({Key? key, required this.sum}) : super(key: key);

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

class _PageState extends State<SportReferencePage> {
  int _index = 0;
  int _consume = 0;

  @override
  void initState() {
    super.initState();
    _consume = widget.sum.consume;
    SharedPreferences.getInstance().then((value) {
      setState(() {
        _index = value.getInt("sport_type") ?? 0;
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    return Dialog(
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
      child: FutureBuilder<SharedPreferences>(
        future: SharedPreferences.getInstance(),
        builder: (BuildContext context, AsyncSnapshot<SharedPreferences> snapshot) => Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            Container(
              width: double.infinity,
              margin: EdgeInsets.all(16.0),
              padding: EdgeInsets.only(top: 14),
              child: Center(
                child: Text(
                  "消耗$_consume大卡，相当于",
                  style: Theme.of(context).textTheme.headline1,
                ),
              ),
            ),
            ListView(
              padding: EdgeInsets.symmetric(horizontal: 0, vertical: 0),
              physics: NeverScrollableScrollPhysics(),
              shrinkWrap: true,
              children: SPORT_TYPE
                  .map(
                    (e) => InkWell(
                        onTap: () async {
                          setState(() {
                            _index = SPORT_TYPE.indexOf(e);
                          });
                        },
                        child: Container(
                          decoration: BoxDecoration(border: Border.all(color: Color(0xffF3F3F3), width: 1), borderRadius: BorderRadius.circular(10.0)),
                          padding: const EdgeInsets.symmetric(horizontal: 11, vertical: 10),
                          margin: const EdgeInsets.symmetric(horizontal: 20, vertical: 8),
                          child: Row(
                            children: [
                              Image.asset(
                                "lib/assets/img/${e['i']}.png",
                                height: 24,
                              ),
                              SizedBox(
                                width: 10,
                              ),
                              Text(
                                "${e['name']}运动",
                                style: Theme.of(context).textTheme.subtitle1,
                              ),
                              Text(
                                SPORT_TYPE.indexOf(e) == 0
                                    ? " ${SportUtils.calSportTypeDataStr(SPORT_TYPE.indexOf(e), SportUtils.calSportTypeData(SPORT_TYPE.indexOf(e), widget.sum.consume - widget.sum.consume_jog, weight) + widget.sum.distance_jog / 1000.0)} "
                                    : " ${SportUtils.calSportTypeDataStr(SPORT_TYPE.indexOf(e), SportUtils.calSportTypeData(SPORT_TYPE.indexOf(e), widget.sum.consume, weight))} ",
                                style: Theme.of(context).textTheme.subtitle1,
                              ),
                              Text(
                                "${e['unit']}",
                                style: Theme.of(context).textTheme.subtitle1,
                              ),
                              Expanded(child: Container()),
                              (SPORT_TYPE.indexOf(e) == _index)
                                  ? Image.asset(
                                      "lib/assets/img/pop_icon_connected.png",
                                      height: 20,
                                    )
                                  : Image.asset(
                                      "lib/assets/img/pop_icon_choose_normal.png",
                                      height: 20,
                                    ),
                            ],
                          ),
                        )),
                  )
                  .toList(),
            ),
            Padding(
              padding: const EdgeInsets.only(
                bottom: 20,
                left: 12,
                right: 12,
              ),
              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: "确认",
                      callback: () async {
                        SharedPreferences prefs = await SharedPreferences.getInstance();
                        await prefs.setInt("sport_type", _index);
                        Navigator.maybePop(context, true);
                      },
                    ),
                  )),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}