flutter-sport/lib/pages/game/game_video.dart

import 'dart:async';
import 'dart:io';

import 'package:android_intent/android_intent.dart';
import 'package:device_apps/device_apps.dart';
import 'package:flutter/material.dart';
import 'package:flutter_spinkit/flutter_spinkit.dart';
import 'package:sport/bean/feed_back.dart';
import 'package:sport/bean/game.dart';
import 'package:sport/pages/my/feedback_detail_page.dart';
import 'package:sport/router/navigator_util.dart';
import 'package:sport/services/api/inject_api.dart';
import 'package:sport/services/game_manager.dart';
import 'package:sport/sharesdk/wechat.dart';
import 'package:sport/utils/toast.dart';
import 'package:sport/widgets/dialog/alert_dialog.dart';
import 'package:sport/widgets/dialog/request_dialog.dart';
import 'package:sport/widgets/image.dart';
import 'package:sport/widgets/misc.dart';
import 'package:sport/widgets/popmenu_bg.dart';
import 'package:video_player/video_player.dart';

class GameDetailsVideo extends StatefulWidget {
  final Function changeIsFullScreen;
  final bool _isFullScreen;
  VideoPlayerController controller;
  bool isLoading;
  GameInfoData data;

  GameDetailsVideo(this.changeIsFullScreen, this._isFullScreen, this.controller, this.isLoading, this.data, {Key key}) : super(key: key);

  @override
  State<StatefulWidget> createState() {
    // TODO: implement createState
    return _GameDetailsVideoState();
  }
}

class _GameDetailsVideoState extends State<GameDetailsVideo> with WechatMixin, InjectLoginApi {
  void changeIsFullScreen;
  Timer timer;
  var opacity = 1.0;

  VoidCallback _listener;
  ValueNotifier<Duration> timeEnd = ValueNotifier(Duration()); // 播放的时间
  ValueNotifier<Duration> timeStart = ValueNotifier(Duration()); //

  final spinkit = SpinKitDualRing(
    color: Colors.white,
  );

  @override
  void initState() {
    super.initState();

    widget.controller.addListener(_listener = () {
      if (!mounted) return;

      setState(() {
        timeStart.value = widget.controller.value.position;
      });
      timeEnd.value = widget.controller.value.duration;
    });
  }

  @override
  void dispose() {
    super.dispose();
    timer?.cancel();
    widget.controller?.removeListener(_listener);
    timeStart?.dispose();
    timeEnd?.dispose();
  }

  void initdelay() {
    if (timer != null) {
      timer.cancel();
    }
    setState(() {
      opacity = 1;
    });
    timer = Timer(new Duration(seconds: 3), () {
      setState(() {
        if (mounted) opacity = 0;
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    final size = MediaQuery.of(context).size;
    final width = size.width;
    final height = size.height;
    bool isLoading = widget.isLoading;
    bool isPlaying = widget.controller.value.isPlaying;
    VideoPlayerController controller = widget.controller;
    Widget top = Row(
      mainAxisAlignment: MainAxisAlignment.spaceBetween,
      children: <Widget>[
        IconButton(
          onPressed: () {
            if (widget._isFullScreen) {
              widget.changeIsFullScreen();
            } else {
              // 原生的返回上一页?
              Navigator.pop(context);
            }
          },
          icon: Image.asset(
            "lib/assets/img/topbar_return_white.png",
            width: 26,
            height: 38,
          ),
        ),
        if (widget._isFullScreen == false)
          FutureBuilder<bool>(
              future: DeviceApps.isAppInstalled(widget.data.packageNameAndroid),
              builder: (BuildContext context, AsyncSnapshot<bool> snapshot) => snapshot.data == true
                  ? PopupMenuTheme(
                      data: PopupMenuThemeData(shape: PopmenuShape(borderRadius: BorderRadius.all(Radius.circular(10.0)))),
                      child: PopupMenuButton(
                        offset: Offset(0, kToolbarHeight / 2 + 15),
                        icon: iconMore(),
                        onSelected: (val) {
                          _onPopMenuSelected(val);
                        },
                        itemBuilder: (context) {
                          return divideMenus([
                            menuItem('运动记录', 'linkpop_icon_record.png', '运动记录'),
                            menuItem('设备测试', 'linkpop_icon_motion.png', '设备测试'),
                            menuItem('问题反馈', 'linkpop_icon_feedback.png', '问题反馈'),
                            menuItem('删除运动', 'linkpop_icon_del.png', '删除运动'),
                          ]);
                        },
                      ))
                  : PopupMenuTheme(
                      data: PopupMenuThemeData(shape: PopmenuShape(borderRadius: BorderRadius.all(Radius.circular(10.0)))),
                      child: PopupMenuButton(
                        offset: Offset(0, kToolbarHeight / 2 + 15),
                        icon: iconMore(),
                        onSelected: (val) {
                          _onPopMenuSelected(val);
                        },
                        itemBuilder: (context) {
                          return divideMenus([
                            menuItem('运动记录', 'linkpop_icon_record.png', '运动记录'),
                            menuItem('设备测试', 'linkpop_icon_motion.png', '设备测试'),
                            menuItem('问题反馈', 'linkpop_icon_feedback.png', '问题反馈'),
                          ]);
                        },
                      )))
      ],
    );
    Widget body = Stack(
      children: <Widget>[
        isLoading == false
            ? InkWell(
                child: (VideoPlayer(controller)),
                onTap: () {
                  initdelay();
                },
                onDoubleTap: () {
                  if (isPlaying) {
                    controller.pause();
                  } else {
                    controller.play();
                  }
                },
              )
            : spinkit,
        isPlaying != true && isLoading == false
            ? InkWell(
                child: Center(
                    child: Image.asset(
                  "lib/assets/img/game_icon_play.png",
                  width: 50,
                  height: 50,
                )),
                onTap: () async {
                  if (isPlaying) {
                    controller.pause();
                  } else {
                    if (controller.value.position.compareTo(controller.value.duration) == 0) {
                      controller.seekTo(Duration.zero);
                    } else {
                      initdelay();
                    }
                    controller.play();
                  }
                },
              )
            : Container(),
        Positioned(
          left: 0,
          right: 0,
          child: AnimatedOpacity(
            duration: new Duration(seconds: 1),
            opacity: opacity,
            child: Container(
              padding: EdgeInsets.symmetric(horizontal: 0),
              // color: Colors.red,
              decoration: BoxDecoration(
                  gradient: LinearGradient(begin: Alignment.topCenter, end: Alignment.bottomCenter, colors: [
                Color(0xFF000000).withOpacity(.5),
                Color(0x00000000)
//                Color(0x00000000),
              ])),
              child: widget._isFullScreen
                  ? SafeArea(
                      child: top,
                      right: false,
                    )
                  : top,
            ),
          ),
        ),
        Positioned(
          bottom: 5,
          left: 0,
          right: 0,
          child: AnimatedOpacity(
            duration: new Duration(seconds: 1),
            opacity: opacity,
            child: Container(
              padding: EdgeInsets.symmetric(horizontal: 8),
              decoration: BoxDecoration(
                  gradient: LinearGradient(begin: Alignment.topCenter, end: Alignment.bottomCenter, colors: [
                Color(0x00000000), Color(0xFF000000).withOpacity(.5)
//                Color(0x00000000),
              ])),
              child: Column(
                mainAxisSize: MainAxisSize.min,
                children: <Widget>[
                  Row(
                    mainAxisAlignment: MainAxisAlignment.end,
                    children: <Widget>[
                      InkWell(
                        child: isPlaying != true
                            ? Image.asset(
                                "lib/assets/img/gamevideo_play_white.png",
                                width: 26,
                                height: 38,
                              )
                            : Image.asset(
                                "lib/assets/img/gamevideo_suspend.png",
                                width: 26,
                                height: 38,
                              ),
                        onTap: () {
                          if (isPlaying) {
                            controller.pause();
                          } else {
                            if (controller.value.position.compareTo(controller.value.duration) == 0) {
                              controller.seekTo(Duration.zero);
                            } else {
                              initdelay();
                            }
                            controller.play();
                          }
                        },
                      ),
                      Padding(
                        padding: EdgeInsets.symmetric(horizontal: 5.0),
                        child: ValueListenableBuilder(
                            valueListenable: timeStart, builder: (_, v, __) => Text(v.toString().substring(2, 7), style: TextStyle(color: Colors.white))),
                      ),
                      Expanded(
                        child: SizedBox(
                            height: 3,
                            child: VideoProgressIndicator(controller,
                                allowScrubbing: true, // 是否可以拖动
                                padding: const EdgeInsets.all(0),
                                colors: VideoProgressColors(playedColor: Theme.of(context).accentColor))),
                      ),
                      Padding(
                        padding: EdgeInsets.symmetric(horizontal: 5.0),
                        child: ValueListenableBuilder(
                            valueListenable: timeEnd, builder: (_, v, __) => Text(v.toString().substring(2, 7), style: TextStyle(color: Colors.white))),
                      ),
                      InkWell(
                          // 全屏按钮
                          child: Image.asset(
                            "lib/assets/img/gamevideo_fullscreen.png",
                            width: 26,
                            height: 38,
                          ),
                          onTap: () {
                            widget.changeIsFullScreen();
                          })
                    ],
                  ),
                ],
              ),
            ),
          ),
        ),
//            ClosedCaption(text: _controller.value.caption.text),
      ],
    );
    return Container(
        color: Colors.black,
//      约束宽高的
        child: widget._isFullScreen
            ? body
            : AspectRatio(
                aspectRatio: 1.78,
                child: body,
              ));
  }

  _onPopMenuSelected(var val) async {
    switch (val) {
      case '运动记录':
        NavigatorUtil.goGameHistory(context, widget.data);
        break;
      case '设备测试':
        ToastUtil.show("设备测试");
        break;
      case '问题反馈':
        FeedTypeInfoData group;
        await request(context, () async {
          FeedTypeInfo _feedTypeInfo = await loginApi.getFeedBackTypes();
          if (_feedTypeInfo.code == 0) {
            group = _feedTypeInfo.data.singleWhere((element) => element.groupId == '3');
          }
        });
        if (group != null) {
          NavigatorUtil.goPage(context, (context) => FeedbackDetailPage(group));
        }
        break;
      case '删除运动':
        if (Platform.isAndroid) {
          var installed = await DeviceApps.isAppInstalled(widget.data.packageNameAndroid);
          if (installed == true) {
            if (await showDialog(
                  context: context,
                  builder: (context) => CustomAlertDialog(title: '是否删除运动', ok: () => Navigator.of(context).pop(true)),
                ) ==
                true) {
              GameManager.deleteFile(widget.data);
              if (Platform.isAndroid) {
                AndroidIntent intent = AndroidIntent(
                  action: 'android.intent.action.DELETE',
                  data: 'package:${widget.data.packageNameAndroid}',
                );
                await intent.launch();
              }
            }
          } else {}
        }
        break;
    }
  }
}