mobileCyberGamesApp/lib/pages/CompetitionInformation.dart

import 'package:flutter/material.dart';
import 'package:flutter_swiper/flutter_swiper.dart';
import '../model/HouseInfo.dart';

//竞赛须知
class CompetitionInformation extends StatefulWidget {
  final HouseInfo houseInfo;
  CompetitionInformation(this.houseInfo);
  @override
  CompetitionInformationState createState() => CompetitionInformationState();
}

class CompetitionInformationState extends State<CompetitionInformation> {
  int nowSwiperIndex = 0;
  SwiperController _swiperController;
  @override
  void initState() {
    super.initState();
    _swiperController = SwiperController();
  }

  @override
  Widget build(BuildContext context) {
    return WillPopScope(
      child: Scaffold(
        backgroundColor: Colors.black87,
        body: Container(
            child: Center(
                child: Swiper(
                    controller: _swiperController,
                    layout: SwiperLayout.DEFAULT,
                    itemWidth: 270.0,
                    itemHeight: 422.0,
                    control: SwiperControl(color: Color(0xFFC2524D), disableColor: Colors.transparent),
                    index: nowSwiperIndex,
                    itemCount: 4,
                    scrollDirection: Axis.horizontal,
                    loop: false,
                    itemBuilder: (context, index) {
                      return InfoBox(
                          houseInfo: widget.houseInfo,
                          typeIndex: index + 1,
                          next: () {
                            _swiperController.next();
                          },
                          end: () {
                            Navigator.of(context).pop();
                          });
                    }))),
      ),
      onWillPop: () {
        return Future.value(false);
      },
    );
  }
}

typedef OnTapHomeMenu = int Function();

class InfoBox extends StatelessWidget {
  InfoBox({Key key, this.typeIndex, this.next, this.end, this.houseInfo}) : super(key: key);
  final int typeIndex;
  final OnTapHomeMenu next;
  final OnTapHomeMenu end;
  final HouseInfo houseInfo;

  @override
  Widget build(BuildContext context) {
    return UnconstrainedBox(
        child: Container(
      width: 270,
      height: 422,
      decoration: BoxDecoration(border: Border.all(width: 1, color: Color(0xFFC2524D)), color: Colors.black),
      child: Stack(
        children: <Widget>[
          Container(
            width: 270,
            padding: EdgeInsets.only(top: 25),
            child: Column(
              children: <Widget>[
                Text('竞赛须知 ' + typeIndex.toString() + '/4', style: TextStyle(color: Color(0xFFFDC372), fontSize: 20, fontWeight: FontWeight.bold)),
                _centerContent(typeIndex)
              ],
            ),
          ),
          Positioned(
            top: 0,
            left: 0,
            child: Image.asset(
              'images/tancuang_shang.png',
              width: 131,
            ),
          ),
          Positioned(
            bottom: 0,
            right: 4,
            child: Image.asset(
              'images/tancuang_xia.png',
              width: 148,
            ),
          ),
          Positioned(
            bottom: 15,
            left: 25,
            child: Column(
              children: <Widget>[
                Container(
                  width: 220,
                  height: 36,
                  child: RaisedButton(
                    textColor: Colors.white,
                    child: Text(typeIndex != 4 ? '下一个' : '结束'),
                    onPressed: typeIndex != 4 ? next : end,
                  ),
                ),
                FlatButton(
                  textColor: Color(0xFF727785),
                  highlightColor: Colors.transparent,
                  splashColor: Colors.transparent,
                  child: Text('关闭'),
                  onPressed: () {
                    end();
                  },
                )
              ],
            ),
          )
        ],
      ),
    ));
  }

// 第一名获得${houseInfo.houseLevel.firstRatio}%，第二名获得${houseInfo.houseLevel.secondRatio}%，第三名获得${houseInfo.houseLevel.thirdRatio}%
  Widget _centerContent(int index) {
    Widget useContent = Container();
    TextStyle _text = TextStyle(color: Colors.white, fontSize: 14);
    if (index == 1 && houseInfo.scoreType == 0) {
      useContent = Container(
        margin: EdgeInsets.only(top: 22),
        padding: EdgeInsets.symmetric(horizontal: 20),
        child: Column(
          children: <Widget>[
            Image.asset('images/icon_jinbi_da_hong.png', width: 30),
            Container(
              height: 20,
            ),
            Text(
              '房间人数越多，总奖金就越多',
              style: _text,
            ),
            Text('同房间内玩家进行竞赛，吃上鸡的评分前三名玩家获得相应奖励', style: _text, textAlign: TextAlign.center),
            //  Text('同房间内玩家进行竞赛', style: _text),
            Text.rich(TextSpan(children: [
              TextSpan(text: '第一名获得奖金池的', style: _text),
              TextSpan(
                text: '${houseInfo.houseLevel.firstRatio}%',
                style: TextStyle(color: Color(0xFFC2524D), fontSize: 13),
              ),
            ])),
            Text.rich(TextSpan(children: [
              TextSpan(text: '第二名获得奖金池的', style: _text),
              TextSpan(
                text: '${houseInfo.houseLevel.secondRatio}%',
                style: TextStyle(color: Color(0xFFC2524D), fontSize: 13),
              ),
            ])),
            Text.rich(TextSpan(children: [
              TextSpan(text: '第三名获得奖金池的', style: _text),
              TextSpan(
                text: '${houseInfo.houseLevel.thirdRatio}%',
                style: TextStyle(color: Color(0xFFC2524D), fontSize: 13),
              ),
            ])),
            Container(
              margin: EdgeInsets.only(top: 10),
              width: double.infinity,
              child: Column(
                mainAxisAlignment: MainAxisAlignment.start,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: <Widget>[
                  Text(
                    '注：奖金池的${houseInfo.houseLevel.feeRatio}%为平台方运营服务费',
                    style: TextStyle(fontSize: 11, color: Color.fromARGB(50, 255, 255, 255)),
                  ),
                  Padding(
                      padding: EdgeInsets.only(left: 20),
                      child: Text(' 奖金池的${houseInfo.houseLevel.poolRatio}%流入赛季总奖金', style: TextStyle(fontSize: 11, color: Color.fromARGB(50, 255, 255, 255))))
                ],
              ),
            )
          ],
        ),
      );
    } else if (index == 1 && houseInfo.scoreType == 1) {
      useContent = Container(
        margin: EdgeInsets.only(top: 22),
        padding: EdgeInsets.symmetric(horizontal: 20),
        child: Column(
          children: <Widget>[
            Image.asset('images/icon_jinbi_da_hong.png', width: 30),
            Container(
              height: 20,
            ),
            Text(
              '房间人数越多，总奖金就越多',
              style: _text,
            ),
            Text('同房间内的玩家进行竞赛，所有吃上鸡的玩家均可获得奖金', style: _text, textAlign: TextAlign.center),
            Text.rich(TextSpan(children: [
              TextSpan(text: '即平分总奖金池的', style: _text),
              TextSpan(
                text: '${houseInfo.houseLevel.avgRatio}%',
                style: TextStyle(color: Color(0xFFC2524D), fontSize: 13),
              ),
            ])),
            Container(
              margin: EdgeInsets.only(top: 44),
              width: double.infinity,
              child: Column(
                mainAxisAlignment: MainAxisAlignment.start,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: <Widget>[
                  Text(
                    '注：奖金池的${houseInfo.houseLevel.feeRatio}%为平台方运营服务费',
                    style: TextStyle(fontSize: 11, color: Color.fromARGB(50, 255, 255, 255)),
                  ),
                  Padding(
                      padding: EdgeInsets.only(left: 20),
                      child: Text(' 奖金池的${houseInfo.houseLevel.poolRatio}%流入赛季总奖金', style: TextStyle(fontSize: 11, color: Color.fromARGB(50, 255, 255, 255))))
                ],
              ),
            )
          ],
        ),
      );
    } else if (index == 2) {
      useContent = Container(
        margin: EdgeInsets.only(top: 20),
        padding: EdgeInsets.symmetric(horizontal: 20),
        child: Column(
          children: <Widget>[
            Image.asset('images/img_xuzhi_02.png', width: 136),
            Container(
              height: 10,
            ),
            Text.rich(
                TextSpan(children: [
                  TextSpan(
                    text: '竞赛开始前请在此耐心等待，在开始时会有上图所示弹窗，玩家必须在10秒内',
                    style: _text,
                  ),
                  TextSpan(
                    text: '点击确认',
                    style: TextStyle(color: Color(0xFFC2524D), fontSize: 14, fontWeight: FontWeight.bold),
                  ),
                  TextSpan(
                    text: '，否则视为放弃此次竞赛，已支付金币概不退换',
                    style: _text,
                  )
                ]),
                textAlign: TextAlign.center)
          ],
        ),
      );
    } else if (index == 3) {
      useContent = Container(
        margin: EdgeInsets.only(top: 20),
        padding: EdgeInsets.symmetric(horizontal: 20),
        child: Column(
          children: <Widget>[
            Image.asset('images/img_xuzhi_03.png', width: 176),
            Container(
              height: 10,
            ),
            Text.rich(
                TextSpan(children: [
                  TextSpan(
                    text: '确认竞赛后会有弹窗提示授权进行录屏的操作，请一定',
                    style: _text,
                  ),
                  TextSpan(
                    text: '点击“确定”',
                    style: TextStyle(color: Color(0xFFC2524D), fontSize: 14, fontWeight: FontWeight.bold),
                  ),
                  TextSpan(
                    text: '或“允许”此操作，否则竞赛判定失败',
                    style: _text,
                  )
                ]),
                textAlign: TextAlign.center)
          ],
        ),
      );
    } else if (index == 4) {
      useContent = Container(
        margin: EdgeInsets.only(top: 20),
        padding: EdgeInsets.symmetric(horizontal: 20),
        child: Column(
          children: <Widget>[
            Image.asset('images/img_xuzhi_04.png', width: 216),
            Container(
              height: 10,
            ),
            Text.rich(
                TextSpan(children: [
                  TextSpan(
                    text: '在游戏中吃鸡后，',
                    style: _text,
                  ),
                  TextSpan(
                    text: '请一定一定一定要点击“继续”按钮',
                    style: TextStyle(color: Color(0xFFC2524D), fontSize: 14, fontWeight: FontWeight.bold),
                  ),
                  TextSpan(
                    text: '，显示到上图所示画面，然后再切换到我们全民APP中，点击完成比赛，方可成功上传本次成绩，赢取大奖',
                    style: _text,
                  )
                ]),
                textAlign: TextAlign.center)
          ],
        ),
      );
    }
    return useContent;
  }
}