app-starlock/lib/main/lockDetail/videoLog/videoLogDetail/videoLogDetail_page.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:star_lock/main/lockDetail/videoLog/videoLog/videoLog_entity.dart';
import 'package:star_lock/main/lockDetail/videoLog/videoLogDetail/controlsOverlay_page.dart';
import 'package:star_lock/main/lockDetail/videoLog/videoLogDetail/videoLogDetail_state.dart';
import 'package:star_lock/main/lockDetail/videoLog/widget/full_screenImage_page.dart';
import 'package:star_lock/main/lockDetail/videoLog/widget/video_thumbnail_image.dart';
import 'package:star_lock/tools/dateTool.dart';
import 'package:video_player/video_player.dart';

import '../../../../app_settings/app_colors.dart';
import '../../../../tools/titleAppBar.dart';
import 'videoLogDetail_logic.dart';

class VideoLogDetailPage extends StatefulWidget {
  const VideoLogDetailPage({Key? key}) : super(key: key);

  @override
  State<VideoLogDetailPage> createState() => _VideoLogDetailPageState();
}

class _VideoLogDetailPageState extends State<VideoLogDetailPage> {
  final VideoLogDetailLogic logic = Get.put(VideoLogDetailLogic());
  final VideoLogDetailState state = Get.find<VideoLogDetailLogic>().state;

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

    state.videoController = VideoPlayerController.networkUrl(
      Uri.parse(state.recordData.value.videoUrl!),
      videoPlayerOptions: VideoPlayerOptions(mixWithOthers: true),
    );

    state.videoController.addListener(() {
      setState(() {});
    });
    state.videoController.setLooping(false);
    state.videoController.initialize();
  }

  void _initializeVideoPlayer(String videoUrl) async {
    if (state.videoController != null) {
      await state.videoController.dispose(); // 释放旧资源
    }
    state.videoController = VideoPlayerController.networkUrl(
      Uri.parse(videoUrl),
      videoPlayerOptions: VideoPlayerOptions(mixWithOthers: true),
    );

    // 初始化完成后通知框架重新构建界面
    await state.videoController.initialize();
    state.videoController.addListener(() {
      setState(() {});
    });
    setState(() {});
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: TitleAppBar(
        barTitle: '视频播放'.tr,
        haveBack: true,
        backgroundColor: AppColors.mainColor,
      ),
      body: state.videoController.value.isInitialized
          ? Column(
              children: <Widget>[
                Container(
                  color: Colors.black,
                  height: 500.h,
                  width: 1.sw,
                  child: Stack(
                    alignment: Alignment.bottomCenter,
                    children: <Widget>[
                      RotatedBox(
                        quarterTurns: -1,
                        child: AspectRatio(
                          aspectRatio: state.videoController.value.size.width /
                              state.videoController.value.size.height,
                          child: VideoPlayer(state.videoController),
                        ),
                      ),
                      ControlsOverlay(
                        controller: state.videoController,
                        recordData: state.recordData.value,
                      ),
                      if (state.videoController.value.isPlaying ||
                          state.videoController.value.isBuffering)
                        Container()
                      else
                        VideoProgressIndicator(
                          state.videoController,
                          colors: VideoProgressColors(
                              playedColor: AppColors.mainColor),
                          allowScrubbing: true,
                        ),
                    ],
                  ),
                ),
                _buildOther(),
              ],
            )
          : Center(
              child: CircularProgressIndicator(),
            ),
    );
  }

  double itemW = (1.sw - 15.w * 4) / 3;
  double itemH = (1.sw - 15.w * 4) / 3 + 40.h;

  Widget videoItem(RecordListData recordData) {
    return GestureDetector(
      onTap: () {
        if (recordData.videoUrl != null && recordData.videoUrl!.isNotEmpty) {
          state.recordData.value = recordData;
          _initializeVideoPlayer(recordData.videoUrl!);
          setState(() {});
        } else if (recordData.imagesUrl != null &&
            recordData.imagesUrl!.isNotEmpty) {
          Navigator.push(
            context,
            MaterialPageRoute(
              builder: (context) => FullScreenImagePage(
                imageUrl: recordData.imagesUrl!,
              ),
            ),
          );
        }
      },
      child: SizedBox(
        width: itemW,
        height: itemH,
        child: Column(
          children: <Widget>[
            Container(
              width: itemW,
              height: itemW,
              margin: const EdgeInsets.all(0),
              color: Colors.white,
              child: ClipRRect(
                borderRadius: BorderRadius.circular(10.w),
                child: _buildImageOrVideoItem(recordData),
              ),
            ),
          ],
        ),
      ),
    );
  }

  _buildImageOrVideoItem(RecordListData recordData) {
    if (recordData.videoUrl != null && recordData.videoUrl!.isNotEmpty) {
      return _buildVideoItem(recordData);
    } else {
      return _buildImageItem(recordData);
    }
  }

  _buildVideoItem(RecordListData recordData) {
    return VideoThumbnailImage(videoUrl: recordData.videoUrl!);
  }

  _buildImageItem(RecordListData recordData) {
    return RotatedBox(
      quarterTurns: -1,
      child: Image.network(
        recordData.imagesUrl!,
        fit: BoxFit.cover,
        errorBuilder:
            (BuildContext context, Object error, StackTrace? stackTrace) {
          // 图片加载失败时显示错误图片
          return RotatedBox(
            quarterTurns: -1,
            child: Image.asset(
              'images/icon_unHaveData.png', // 错误图片路径
              fit: BoxFit.cover,
            ),
          );
        },
      ),
    );
  }

  String formatString(time) {
    String shortName = time.toString().substring(2, 7);
    return shortName;
  }

  @override
  void dispose() {
    super.dispose();
    state.videoController.dispose();
  }

  _buildOther() {
    return Expanded(
      child: ListView.builder(
        itemCount: state.videoLogList.length,
        itemBuilder: (BuildContext c, int index) {
          CloudStorageData item = state.videoLogList[index];
          return Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: <Widget>[
              Container(
                margin: EdgeInsets.only(left: 20.w, top: 15.w, bottom: 15.w),
                child: Row(
                  children: <Widget>[
                    Text(item.date ?? '', style: TextStyle(fontSize: 20.sp)),
                  ],
                ),
              ),
              mainListView(index, item),
            ],
          );
        },
      ),
    );
  }

  Widget mainListView(int index, CloudStorageData itemData) {
    return GridView.builder(
      itemCount: itemData.recordList!.length,
      shrinkWrap: true,
      physics: const NeverScrollableScrollPhysics(),
      gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
        //横轴元素个数
        crossAxisCount: 3,
      ),
      itemBuilder: (BuildContext context, int index) {
        return _buildItem(itemData.recordList![index]);
      },
    );
  }

  _buildItem(itemData) {
    return videoItem(itemData);
  }
}