flutterEmpty/lib/components/grid_list.dart

import 'package:assets_audio_player/assets_audio_player.dart';
import 'package:flutter/material.dart';
import 'package:empty/constants.dart';

class GridListView extends StatefulWidget {
  final String type;
  final String section;
  final String rcmd;
  final int size;
  final int page;

  GridListView(
      {Key key, this.type, this.section, this.rcmd, this.size, this.page})
      : super(key: key);

  @override
  _GridListViewState createState() => _GridListViewState();
}

class _GridListViewState extends State<GridListView> {
  @override
  void initState() {
    // TODO: implement initState
    super.initState();

    albumBloc.fetch(widget.type, widget.section);

    if (!isPlaying) panelController.hide();
  }

  @override
  void dispose() {
    // TODO: implement dispose
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return OrientationBuilder(
      builder: (context, orientation) {
        return SingleChildScrollView(
          physics: BouncingScrollPhysics(),
          child: Column(
            children: [
              widget.type != '' && widget.section != ''
                  ? Container(
                      padding: EdgeInsets.only(
                          top: 20, bottom: 10, left: 20, right: 20),
                      child: Stack(
                        children: [
                          kHeader[widget.type][widget.section]['icon'] != ""
                              ? Container(
                                  padding: EdgeInsets.only(top: 10, bottom: 10),
                                  width: 150,
                                  height: 100,
                                  decoration: BoxDecoration(
                                      image: DecorationImage(
                                          alignment: Alignment.bottomCenter,
                                          image: AssetImage('assets/images/' +
                                              kHeader[widget.type]
                                                  [widget.section]['icon']),
                                          fit: BoxFit.contain)),
                                )
                              : Row(),
                          Padding(
                            padding: kHeader[widget.type][widget.section]
                                        ['icon'] !=
                                    ""
                                ? EdgeInsets.only(left: 120)
                                : EdgeInsets.only(left: 0),
                            child: Text(
                              kHeader[widget.type][widget.section]['detail'],
                              style: Theme.of(context).textTheme.bodyText1,
                            ),
                          ),
                        ],
                      ))
                  : Container(),
              StreamBuilder(
                stream: albumBloc.albumResult,
                builder: (context, snapshot) {
                  if (!snapshot.hasData) {
                    return Center(
                      child: CircularProgressIndicator(),
                    );
                  }
                  return GridView.builder(
                      shrinkWrap: true,
                      padding: EdgeInsets.only(
                          top: 10, left: 10, right: 10, bottom: 250),
                      gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                        crossAxisCount:
                            orientation == Orientation.portrait ? 2 : 4,
                      ),
                      physics: BouncingScrollPhysics(),
                      itemCount: snapshot.data.result.length,
                      itemBuilder: (BuildContext context, int index) {
                        return GestureDetector(
                          onTap: () async {
                            // 개별결재/정기권/쿠폰사용
                            // snapshot.data.result[index].charge
                            //print(snapshot.data.result[index].type);
                            //print(snapshot.data.result[index].section);
                            //print(snapshot.data.result[index].title);
                            //print(kUrl + snapshot.data.result[index].poster.filename);
                            //print(kUrl + snapshot.data.result[index].naration.filename);
                            //snapshot.data.result[index].charge == ''
                            //    ? Icon(Icons.money, color: Colors.red, size: 30,)
                            //    : Container()

                            panelController.show();
                            audios = <Audio>[
                              Audio.network(
                                kConfig['content'] +
                                    snapshot
                                        .data.result[index].naration.filename,
                                metas: Metas(
                                  id: "Online",
                                  title: snapshot.data.result[index].title,
                                  artist: snapshot.data.result[index].section,
                                  album: snapshot.data.result[index].type,
                                  image: MetasImage.network(kConfig['content'] +
                                      snapshot
                                          .data.result[index].poster.filename),
                                ),
                              ),
                            ];

                            try {
                              await assetsAudioPlayer.open(
                                audios[0],
                                autoStart: true,
                                showNotification: false,
                                playInBackground: PlayInBackground.enabled,
                                audioFocusStrategy: AudioFocusStrategy.request(
                                    resumeAfterInterruption: true,
                                    resumeOthersPlayersAfterDone: true),
                                headPhoneStrategy:
                                    HeadPhoneStrategy.pauseOnUnplug,
                              );
                              setState(() {
                                isPlaying = true;
                              });
                              panelController.open();
                            } catch (e) {
                              print(e);
                            }
                          },
                          child: Card(
                            color: Colors.transparent,
                            elevation: 5.0,
                            child: Stack(
                              fit: StackFit.expand,
                              children: [
                                ClipRRect(
                                  borderRadius: BorderRadius.circular(8.0),
                                  child: Image(
                                    image: NetworkImage(
                                        kConfig['content'] +
                                            snapshot.data.result[index].poster
                                                .filename,
                                        scale: 0.85),
                                    fit: BoxFit.fill,
                                  ),
                                ),
                                /*
                                Align(
                                  alignment: Alignment.topRight,
                                  child: Padding(
                                    padding: const EdgeInsets.only(top: 5,right: 10),
                                    child:
                                    snapshot.data.result[index].charge != ''
                                        ? Icon(Icons.enhanced_encryption_outlined, color: Colors.white, size: 20,)
                                        : Container()
                                  ),
                                ),

                                 */
                                Align(
                                    alignment: Alignment.bottomCenter,
                                    child: Column(
                                      crossAxisAlignment:
                                          CrossAxisAlignment.stretch,
                                      verticalDirection: VerticalDirection.up,
                                      children: <Widget>[
                                        Container(
                                          padding: EdgeInsets.all(10),
                                          color: Colors.black.withOpacity(.4),
                                          child: Text(
                                            snapshot.data.result[index].title,
                                            overflow: TextOverflow.ellipsis,
                                            style: Theme.of(context)
                                                .textTheme
                                                .bodyText1,
                                          ),
                                        ),
                                      ],
                                    )),
                              ],
                            ),
                          ),
                        );
                      });
                },
              ),
            ],
          ),
        );
      },
    );
  }
}