用flutter开发了一个聊天页面 支持发视频,语音,图片,有需要的可以参考一下.
目前功能还不是特别完美,发送语音不太理想,如果哪位有好的方案,也请多多指教
import 'dart:async';
import 'dart:io';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_sound/flutter_sound.dart';
import 'package:flutter_wanandroid/common/component_index.dart';
import 'package:flutter_wanandroid/data/protocol/messaget_bean_entity.dart';
import 'package:flutter_wanandroid/data/repository/wan_repository.dart';
import 'package:flutter_wanandroid/models/EnmuModels.dart';
import 'package:flutter/scheduler.dart';
import 'package:flutter_wanandroid/models/message_detail_bean_entity.dart';
import 'package:flutter_wanandroid/ui/dialog/simple_dialog.dart';
import 'package:flutter_wanandroid/ui/pages/demos/image_picker_demo.dart';
import 'package:flutter_wanandroid/ui/pages/demos/sound_demo.dart';
import 'package:flutter_wanandroid/ui/pages/demos/video_demo.dart';
import 'package:flutter_wanandroid/ui/widgets/audio_record_button.dart';
import 'package:flutter_wanandroid/ui/widgets/bubble_item.dart';
import 'package:flutter_wanandroid/ui/widgets/message_detail_item.dart';
import 'package:http_parser/http_parser.dart';
import 'package:video_player/video_player.dart';
class MessageDetailPage extends StatefulWidget {
final MessagetBeanReturnvalueListvo model;
MessageDetailPage(this.model);
@override
_MessageDetailState createState() => _MessageDetailState();
}
class _MessageDetailState extends State<MessageDetailPage> {
RefreshController _refreshController;
ScrollController _scrollController;
List<MessageDetailBeanReturnvalueListvo> data = [];
int mobileId;
String mUserId;
int mDataPage = 0;
TextEditingController _replyFieldController = new TextEditingController();
get _result => (result, audioLength) {
_replyAudioMessage(result, audioLength);
};
void _getDatas() {
mobileId = SpHelper.getIndentityBean().mobileId;
mUserId = SpHelper.getIndentityBean().userVo.id.toString();
_onLoading(true);
}
void scrollTop() {
_scrollController.animateTo(0.0,
duration: const Duration(milliseconds: 200), curve: Curves.linear);
}
void enterRefresh() {
_refreshController.requestRefresh();
}
@override
void dispose() {
if (flutterSound.isPlaying) flutterSound.stopPlayer();
super.dispose();
}
void _onOffsetCallback(bool isUp, double offset) {}
FlutterSound flutterSound;
bool _isPlaying = false;
StreamSubscription _playerSubscription;
@override
void initState() {
_getDatas();
_scrollController = ScrollController(keepScrollOffset: true);
_refreshController = RefreshController();
flutterSound = new FlutterSound();
flutterSound.setSubscriptionDuration(0.01);
flutterSound.setDbPeakLevelUpdate(0.8);
flutterSound.setDbLevelEnabled(true);
SchedulerBinding.instance.addPostFrameCallback((_) {
// _refreshController.requestRefresh(true);
});
super.initState();
}
bool isRecord = false;
bool _autovalidate = false;
void startPlayer(String videoPath) async {
String path = await flutterSound.startPlayer(videoPath);
await flutterSound.setVolume(1.0);
try {
_playerSubscription = flutterSound.onPlayerStateChanged.listen((e) {
if (e != null) {
print(
'startPlayer: ${e.runtimeType} ${e.currentPosition} ${e.duration}');
// slider_current_position = e.currentPosition;
// max_duration = e.duration;
//
// DateTime date = new DateTime.fromMillisecondsSinceEpoch(
// e.currentPosition.toInt(),
// isUtc: true);
// String txt = DateFormat('mm:ss:SS', 'en_GB').format(date);
this.setState(() {
this._isPlaying = true;
// this._playerTxt = txt.substring(0, 8);
});
}
});
} catch (err) {
print('error: $err');
}
}
@override
Widget build(BuildContext context) {
var headView = new Container(
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
new Expanded(
child: Container(
color: Colors.grey,
child: SmartRefresher(
controller: _refreshController,
enablePullDown: true,
isNestWrapped: true,
header: ClassicHeader(
idleIcon: Container(),
idleText: "Load more...",
),
enablePullUp: true,
onRefresh: () {
_onLoading(true);
},
onl oading: () {
_onLoading(false);
},
footer: new ClassicFooter(
noDataText: '没有更多数据',
noMoreIcon: Text(""),
),
onOffsetChange: _onOffsetCallback,
child: ListView.builder(
itemCount: data.length + 1,
itemBuilder: _itemBuild,
)),
)),
new Row(
crossAxisAlignment: CrossAxisAlignment.end,
children: <Widget>[
new IconButton(
icon:
Image.asset(Utils.getImgPath(isRecord ? 'yuyin' : 'jianpan')),
onPressed: () {
setState(() {
isRecord = !isRecord;
});
},
),
new Expanded(
child: new Stack(
children: <Widget>[
new Offstage(
offstage: isRecord,
child: new TextField(
controller: _replyFieldController,
onSubmitted: (value) {
_replyMessage(value);
},
/*onChanged: (value) {
LogUtil.e("onChanged ${value}");
LogUtil.e(
"onChanged _replyFieldController${_replyFieldController.value.toString()}");
},*/
maxLines: 10,
minLines: 1,
decoration: new InputDecoration(
contentPadding: EdgeInsets.only(
left: 8.0, top: 10.0, bottom: 6.0, right: 10.0),
labelText: '请输入',
fillColor: Colors.blue,
border: new OutlineInputBorder(
borderSide: BorderSide(color: Colors.blue)),
focusedBorder: new OutlineInputBorder(
borderSide: BorderSide(color: Colors.blue))),
style: TextStyle(color: Colors.black87),
focusNode: FocusNode(),
),
),
new Offstage(
offstage: !isRecord,
child: Container(
alignment: Alignment.center,
decoration: BoxDecoration(
color: Colors.grey.withAlpha(21),
border: Border.all(
color: Colors.blueAccent,
)),
height: 36.0,
child: new AudioRecordButton(_result)),
),
],
),
),
new IconButton(
icon: Image.asset(Utils.getImgPath('bj_fabu_tupian')),
onPressed: () async {
LocalMediaType result =
await Navigator.push(context, new ImagePickerPage());
print(
'${result.mimeType}${result.filePath}${result.width}${result.height}');
_replyImageMessage(result);
},
),
new Padding(
padding: EdgeInsets.only(right: 6.0),
child: new Theme(
data: Theme.of(context).copyWith(
buttonTheme: ButtonThemeData(
minWidth: 40.0,
height: 5,
padding: EdgeInsets.only(
left: 10.0, top: 0.0, right: 10.0, bottom: 0.0))),
child: new RaisedButton(
padding: EdgeInsets.only(
left: 10.0, top: 2, bottom: 2.0, right: 10.0),
onPressed: () {
_replyMessage(_replyFieldController.text);
},
color: Colors.blueAccent,
child: Text(
"提交",
style: TextStyle(color: Colors.white),
),
shape: new RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(5.0))),
),
)),
],
),
],
));
return Scaffold(
backgroundColor: Theme.of(context).canvasColor,
appBar: new MyAppBar(
title: Text("通知详情"),
centerTitle: true,
),
body: headView,
);
}
/* String guessMimeType(String path) {
FileNameMap fileNameMap = URLConnection.getFileNameMap();
String tempPath = path.replaceAll("-","");
String contentTypeFor = fileNameMap.getContentTypeFor(tempPath);
if (contentTypeFor == null) {
contentTypeFor = "application/octet-stream";
}
return contentTypeFor;
}*/
void _replyAudioMessage(String imageResult, int length) {
Map<String, dynamic> dataMap = {
// 'content': imagePath,
'userId': mUserId,
'messageId': widget.model.messageId.toString(),
};
if (imageResult != null && length > 0) {
dataMap.putIfAbsent('musicTime', () {
return "${length}";
});
dataMap.putIfAbsent('music', () {
return new UploadFileInfo(new File(imageResult),
imageResult.substring(imageResult.lastIndexOf("/") + 1),
contentType: ContentType.parse(new MediaType('music',
imageResult.substring(imageResult.lastIndexOf(".") + 1))
.mimeType));
});
}
FormData formData = new FormData.from(dataMap);
var dialog = showDialog<Null>(
context: context, //BuildContext对象
barrierDismissible: false,
builder: (BuildContext context) {
return new LoadingDialog(
//调用对话框
text: '请等待...',
);
});
wanRepository.replayMessages(formData).then((list) {
Navigator.pop(context);
if (mounted)
setState(() {
_onLoading(true);
});
});
}
void _replyImageMessage(LocalMediaType imageResult) {
Map<String, dynamic> dataMap = {
// 'content': imagePath,
'userId': mUserId,
'messageId': widget.model.messageId.toString(),
};
if (imageResult.mimeType == 1) {
String imagePath = imageResult.filePath;
dataMap.putIfAbsent('photo', () {
return new UploadFileInfo(new File(imagePath),
imagePath.substring(imagePath.lastIndexOf("/") + 1),
contentType:
ContentType.parse(new MediaType('image', 'jpeg').mimeType));
});
} else if (imageResult.mimeType == 2) {
String imagePath = imageResult.filePath;
print(
"${imagePath.substring(imagePath.lastIndexOf("/") + 1)} ${imagePath.substring(imagePath.lastIndexOf(".") + 1)} ");
dataMap.putIfAbsent('video', () {
return new UploadFileInfo(new File(imagePath),
imagePath.substring(imagePath.lastIndexOf("/") + 1),
contentType: ContentType.parse(new MediaType('audio',
imagePath.substring(imagePath.lastIndexOf(".") + 1))
.mimeType));
});
}
FormData formData = new FormData.from(dataMap);
String ownerMobileUserId = widget.model.ownerMobileUserId.toString();
var dialog = showDialog<Null>(
context: context, //BuildContext对象
barrierDismissible: false,
builder: (BuildContext context) {
return new LoadingDialog(
//调用对话框
text: '请等待...',
);
});
wanRepository.replayMessages(formData).then((list) {
Navigator.pop(context);
if (mounted)
setState(() {
_onLoading(true);
});
});
}
void _replyMessage(String content) {
LogUtil.e(content);
Map<String, String> dataMap = {
'content': content,
'userId': mobileId.toString(),
'messageId': widget.model.messageId.toString()
};
String ownerMobileUserId = widget.model.ownerMobileUserId.toString();
if (ownerMobileUserId != null) {
/* dataMap.putIfAbsent("ownerMobileUserId", () {
return ownerMobileUserId;
});*/
}
var dialog = showDialog<Null>(
context: context, //BuildContext对象
barrierDismissible: false,
builder: (BuildContext context) {
return new LoadingDialog(
//调用对话框
text: '请等待...',
);
});
wanRepository.replayMessages(dataMap).then((list) {
Navigator.pop(context);
if (mounted)
setState(() {
_replyFieldController.clear();
_onLoading(true);
});
});
}
Widget _itemBuild(context, index) => (index == 0)
? buildSwiper(context)
: Item(mobileId.toString(), data[index - 1], flutterSound);
WanRepository wanRepository = new WanRepository();
void _onLoading(bool isRefresh) {
if (isRefresh || mDataPage < 0) {
mDataPage = 0;
} else {
mDataPage++;
}
Map<String, String> dataMap = {
'page': mDataPage.toString(),
'mobileId': mobileId.toString(),
'userId': mUserId.toString(),
'messageId': widget.model.messageId.toString()
};
String ownerMobileUserId = widget.model.ownerMobileUserId.toString();
if (ownerMobileUserId != null) {
dataMap.putIfAbsent("ownerMobileUserId", () {
return ownerMobileUserId;
});
}
/* var dialog = showDialog<Null>(
context: context, //BuildContext对象
barrierDismissible: false,
builder: (BuildContext context) {
return new LoadingDialog(
//调用对话框
text: '请等待...',.
);
});*/
wanRepository.getMessageDetail(dataMap).then((list) {
// Navigator.pop(context);
if (mounted)
setState(() {
if (mDataPage == 0) {
data.clear();
}
if (list == null || list.listVo == null) {
mDataPage--;
_refreshController.refreshFailed();
return;
}
if (list.listVo.length <= 0) {
mDataPage--;
_refreshController.loadNoData();
return;
}
data.addAll(list.listVo);
if (!isRefresh) {
_refreshController.loadComplete();
} else {
_refreshController.resetNoData();
_refreshController.refreshCompleted();
}
});
});
}
Widget buildSwiper(BuildContext context) {
return new Container(
child: new Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
new Text(
widget.model.msgTitle,
textAlign: TextAlign.start,
style: TextStyle(
color: Colors.black54,
fontSize: 18.0,
fontWeight: FontWeight.bold),
),
Gaps.vGap5,
new Text("时间：${widget.model.createDateApi}"),
Gaps.vGap10,
new Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: <Widget>[
new Expanded(
child: new Text(
"发布人：${widget.model.sendName}",
maxLines: 1,
style: TextStyle(color: Colors.blue),
)),
new Expanded(
child: new Text("接收人：${widget.model.msgReceiveNames}",
style: TextStyle(color: Colors.blue), maxLines: 1)),
new Text(MessageType.getPushTypeString(widget.model.msgType),
style: TextStyle(color: Colors.blue), maxLines: 1),
],
),
SizedBox(
height: 10.0,
child: Container(
decoration: BoxDecoration(
color: Colors.white,
border: new Border(
bottom: new BorderSide(
width: 0.33, color: Colours.divider))),
)),
Gaps.vGap5,
new Container(
padding: new EdgeInsets.only(right: 13.0),
child: new Text(
widget.model.msgContent,
// maxLines: 50,
))
]),
padding:
EdgeInsets.only(left: 18.0, top: 10.0, right: 18.0, bottom: 10.0),
decoration: new BoxDecoration(
color: Colors.white,
border: new Border.all(width: 0.33, color: Colours.divider)),
);
}
PopupMenuButton showChiocePopwin(BuildContext context) {
return PopupMenuButton(itemBuilder: _popMenuItemBuild);
}
List<String> _imageOptions = ['相册', "相机", '选择视频', '录视频'];
List<PopupMenuEntry> _popMenuItemBuild(BuildContext context) {
return List.generate(_imageOptions.length, (index) {
new RaisedButton(
onPressed: () {},
child: Text(_imageOptions[index]),
);
}).toList();
}
}
class LocalMediaType {
final int mimeType;
final String filePath;
int width;
int height;
int duration;
LocalMediaType(this.mimeType, this.filePath,
{this.width, this.height, this.duration});
}
class Item extends StatefulWidget {
final MessageDetailBeanReturnvalueListvo itemData;
final String userId;
final FlutterSound flutterSound;
Item(this.userId, this.itemData, this.flutterSound);
@override
_ItemState createState() => _ItemState();
}
class _ItemState extends State<Item> with TickerProviderStateMixin {
VideoPlayerController _butterflyController;
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
final Completer<void> connectedCompleter = Completer<void>();
bool isSupported = true;
bool isDisposed = false;
StreamSubscription _playerSubscription;
var leftSoundNames = [
'assets/images/sound_left_0.png',
'assets/images/sound_left_1.png',
'assets/images/sound_left_2.png' /*,
'assets/images/sound_left_3.png'*/
];
var rightSoundNames = [
'assets/images/sound_right_0.png',
'assets/images/sound_right_1.png',
'assets/images/sound_right_2.png' /*,
'assets/images/sound_right_3.png'*/
];
int _animationPosition = 3;
AnimationController controller;
Animation animation;
@override
void initState() {
super.initState();
//控制语音动画
controller = AnimationController(
duration: const Duration(milliseconds: 1000), vsync: this);
final Animation curve =
CurvedAnimation(parent: controller, curve: Curves.easeOut);
animation = IntTween(begin: 0, end: 3).animate(curve)
..addStatusListener((status) {
if (status == AnimationStatus.completed) {
controller.reverse();
}
if (status == AnimationStatus.dismissed) {
controller.forward();
}
});
if (widget.itemData.videoUrl != null) {
Future<void> initController(
VideoPlayerController controller, String name) async {
controller.setLooping(false);
controller.setVolume(0.0);
controller.pause();
await connectedCompleter.future;
await controller.initialize();
if (mounted) {
setState(() {});
}
}
_butterflyController =
VideoPlayerController.network(widget.itemData.videoUrl);
initController(_butterflyController, 'butterfly');
isIOSSimulator().then<void>((bool result) {
isSupported = !result;
});
}
}
void startPlayer(String videoPath) async {
controller.forward();
if (widget.flutterSound.isPlaying) {
widget.flutterSound.stopPlayer();
}
String path = await widget.flutterSound.startPlayer(videoPath);
await widget.flutterSound.setVolume(1.0);
try {
_playerSubscription =
widget.flutterSound.onPlayerStateChanged.listen((e) {
if (e != null) {
if (e.duration <= e.currentPosition) {
controller.reset();
}
print(
'startPlayer: ${e.currentPosition} ${e.duration} ${e.runtimeType}');
// slider_current_position = ;
// max_duration = ;
//
// DateTime date = new DateTime.fromMillisecondsSinceEpoch(
// e.currentPosition.toInt(),
// isUtc: true);
// String txt = DateFormat('mm:ss:SS', 'en_GB').format(date);
if (mounted)
this.setState(() {
// this._isPlaying = true;
// this._playerTxt = txt.substring(0, 8);
});
}
});
} catch (err) {
print('error: $err');
}
}
@override
Widget build(BuildContext context) {
var itemData = widget.itemData;
// print("${itemData.musicTime} ${itemData.musicTime}");
int _offstate_status = itemData.musicUrl != null && 0 < itemData.musicTime
? 3
: (itemData.photoUrl != null ? 1 : (itemData.videoUrl != null ? 2 : 0));
if (widget.userId.compareTo(itemData.userId.toString()) != 0) //我发的,在右边
return Container(
alignment: Alignment.topRight,
color: Colors.grey.withAlpha(245),
padding: EdgeInsets.only(left: 10.0, right: 10.0, top: 10.0),
child: Column(
children: <Widget>[
Text(
'${itemData.createDate}',
style: TextStyle(color: Colors.black54),
),
new Row(
mainAxisAlignment: MainAxisAlignment.end,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
new Expanded(
child: new Container(
padding: EdgeInsets.only(left: 37.0),
child: new Column(
crossAxisAlignment: CrossAxisAlignment.end,
children: <Widget>[
new Padding(
padding: EdgeInsets.only(right: 10.0),
child: Text(
'${itemData.userName == null ? "匿名用户" : itemData.userName}',
textAlign: TextAlign.end,
style: TextStyle(
fontSize: 12.0, color: Colors.black54),
),
),
Gaps.vGap10,
new Stack(
children: <Widget>[
new Offstage(
offstage: _offstate_status != 0,
child: new Container(
padding: EdgeInsets.only(
left: 7.0,
top: 9.0,
right: 22.0,
bottom: 5.0),
decoration: BoxDecoration(
image: DecorationImage(
image: AssetImage(
Utils.getImgPath('qipao_you')),
centerSlice: new Rect.fromLTRB(
4.0, 20.0, 5.0, 20.5),
),
),
child: Text(
'${itemData.content}',
style: TextStyle(
fontSize: 14.0,
),
maxLines: 10,
)),
),
new Offstage(
offstage: _offstate_status != 1,
child: new Container(
padding: EdgeInsets.only(right: 10.0),
child: new ConstrainedBox(
constraints: new BoxConstraints(
maxHeight: 200),
child: new CachedNetworkImage(
fit: BoxFit.fill,
imageUrl: itemData.photoUrl == null
? "http://126306.sgss8.com/upload/2016042923/232418_1381.jpg"
: itemData.photoUrl,
placeholder: new ProgressView(),
errorWidget: new Icon(Icons.error),
),
),
)),
new Offstage(
offstage: _offstate_status != 2,
child: new Container(
padding: EdgeInsets.only(right: 10.0),
child: isSupported &&
_butterflyController != null
? ConnectivityOverlay(
child: Padding(
padding:
EdgeInsets.only(left: 10.0),
child: SingleVideoCard(
controller:
_butterflyController,
firstScreen: widget
.itemData.firstVideoUrl,
),
),
connectedCompleter:
connectedCompleter,
scaffoldKey: scaffoldKey,
)
: const Center(
child: Text(
'Video playback not supported on the iOS Simulator.',
),
),
),
),
new Offstage(
offstage: _offstate_status != 3,
child: new Container(
width: itemData.musicTime != null &&
60 > itemData.musicTime
? ((MediaQuery.of(context)
.size
.width -
100) /
60.0 *
(itemData.musicTime < 30
? 30
: itemData.musicTime))
: (MediaQuery.of(context)
.size
.width -
100),
padding: EdgeInsets.only(right: 10.0),
child: RaisedButton(
padding: EdgeInsets.only(
left: 8.0, right: 4.0),
child: Row(
mainAxisAlignment:
MainAxisAlignment.spaceBetween,
children: <Widget>[
Text(
"${itemData.musicTime}\"",
textAlign: TextAlign.start,
maxLines: 1,
style: TextStyle(
color: Colors.white),
),
Image.asset(rightSoundNames[
animation.value % 3])
],
),
shape: RoundedRectangleBorder(
borderRadius:
BorderRadius.circular(18)),
color: Colors.blueAccent,
onPressed: () {
startPlayer(itemData.musicUrl);
},
)),
),
],
)
],
))),
Image.network(
"http://126306.sgss8.com/upload/2016042923/232418_1381.jpg",
width: 35.0,
height: 35.0,
fit: BoxFit.cover,
),
],
),
],
));
else {
//对方发的,在左边
return Container(
color: Colors.grey.withAlpha(5),
padding: EdgeInsets.only(left: 10.0, right: 10.0, top: 10.0),
child: Column(
children: <Widget>[
Text(
'${itemData.createDate}',
style: TextStyle(color: Colors.black54),
),
new Row(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Image.network(
"http://126306.sgss8.com/upload/2016042923/232418_1381.jpg",
width: 35.0,
height: 35.0,
fit: BoxFit.cover,
),
new Expanded(
child: new Container(
padding: EdgeInsets.only(right: 38.0),
child: new Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
new Padding(
padding: EdgeInsets.only(left: 10.0),
child: Text(
'${itemData.userName == null ? "匿名用户" : itemData.userName}',
textAlign: TextAlign.start,
style: TextStyle(
fontSize: 12.0, color: Colors.black54),
),
),
Gaps.vGap10,
new Stack(
children: <Widget>[
new Offstage(
offstage: _offstate_status != 0,
child: new Container(
padding: EdgeInsets.only(
left: 27.0,
top: 9.0,
right: 8.0,
bottom: 5.0),
decoration: BoxDecoration(
image: DecorationImage(
fit: BoxFit.fill,
image: AssetImage(
Utils.getImgPath('qipao_zuo')),
centerSlice: new Rect.fromLTRB(
31.0, 24.0, 32.0, 25.0),
),
),
child: Text(
'${itemData.content}拉年拉年拉年拉年拉年拉年拉年拉年拉年拉年拉年拉年拉年',
style: TextStyle(
fontSize: 14.0,
),
maxLines: 10,
)),
),
new Offstage(
offstage: _offstate_status != 1,
child: new Container(
padding: EdgeInsets.only(left: 10.0),
child: new ConstrainedBox(
constraints:
new BoxConstraints(maxHeight: 200),
child: new CachedNetworkImage(
fit: BoxFit.fill,
imageUrl: itemData.photoUrl == null
? "http://126306.sgss8.com/upload/2016042923/232418_1381.jpg"
: itemData.photoUrl,
placeholder: new ProgressView(),
errorWidget: new Icon(Icons.error),
),
),
),
),
new Offstage(
offstage: _offstate_status != 2,
child: isSupported &&
_butterflyController != null
? ConnectivityOverlay(
child: Padding(
padding:
EdgeInsets.only(left: 10.0),
child: SingleVideoCard(
controller:
_butterflyController,
firstScreen: widget
.itemData.firstVideoUrl,
),
),
connectedCompleter:
connectedCompleter,
scaffoldKey: scaffoldKey,
)
: const Center(
child: Text(
'Video playback not supported on the iOS Simulator.',
),
),
),
new Offstage(
offstage: _offstate_status != 3,
child: new Container(
width: itemData.musicTime != null &&
60 > itemData.musicTime
? ((MediaQuery.of(context)
.size
.width -
100) /
60.0 *
(itemData.musicTime < 30
? 30
: itemData.musicTime))
: (MediaQuery.of(context)
.size
.width -
100),
height: 30,
padding: EdgeInsets.only(right: 10.0),
child: RaisedButton(
padding: EdgeInsets.only(
left: 4.0, right: 8.0),
child: Row(
mainAxisAlignment:
MainAxisAlignment.spaceBetween,
children: <Widget>[
Image.asset(leftSoundNames[
animation.value % 3]),
Text(
"${itemData.musicTime}\"",
textAlign: TextAlign.start,
maxLines: 1,
style: TextStyle(
color: Colors.white),
),
],
),
shape: RoundedRectangleBorder(
borderRadius:
BorderRadius.circular(15)),
color: Colors.blueAccent,
onPressed: () {
startPlayer(itemData.musicUrl);
},
)),
),
],
)
],
))),
],
),
],
));
}
}
@override
void dispose() {
print('> VideoDemo dispose');
isDisposed = true;
if (_butterflyController != null) _butterflyController.dispose();
print('< VideoDemo dispose');
super.dispose();
}
}
原文地址：https://blog.csdn.net/u010883308/article/details/90600296
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