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feat/Added audio message widget and audio player #121

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348 changes: 214 additions & 134 deletions example/pubspec.lock
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2 changes: 2 additions & 0 deletions lib/dash_chat_2.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ library dash_chat_2;

import 'dart:math';

import 'package:audioplayers/audioplayers.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter_markdown/flutter_markdown.dart';
Expand Down Expand Up @@ -32,6 +33,7 @@ part 'src/widgets/input_toolbar/input_toolbar.dart';
part 'src/widgets/message_list/default_date_separator.dart';
part 'src/widgets/message_list/default_scroll_to_bottom.dart';
part 'src/widgets/message_list/message_list.dart';
part 'src/widgets/message_row/audio_player.dart';
part 'src/widgets/message_row/default_avatar.dart';
part 'src/widgets/message_row/default_message_decoration.dart';
part 'src/widgets/message_row/default_message_text.dart';
Expand Down
3 changes: 3 additions & 0 deletions lib/src/models/chat_media.dart
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Expand Up @@ -73,6 +73,8 @@ class MediaType {
return MediaType.video;
case 'file':
return MediaType.file;
case 'audio':
return MediaType.audio;
default:
throw UnsupportedError('$value is not a valid MediaType');
}
Expand All @@ -81,4 +83,5 @@ class MediaType {
static const MediaType image = MediaType._internal('image');
static const MediaType video = MediaType._internal('video');
static const MediaType file = MediaType._internal('file');
static const MediaType audio = MediaType._internal('audio');
}
14 changes: 14 additions & 0 deletions lib/src/models/message_options.dart
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Expand Up @@ -15,6 +15,7 @@ class MessageOptions {
this.onPressMention,
Color? currentUserContainerColor,
Color? currentUserTextColor,
Color? audioControlColor,
this.containerColor = const Color(0xFFF5F5F5),
this.textColor = Colors.black,
this.messagePadding = const EdgeInsets.all(11),
Expand Down Expand Up @@ -42,6 +43,7 @@ class MessageOptions {
Color? timeTextColor,
}) : _currentUserContainerColor = currentUserContainerColor,
_currentUserTextColor = currentUserTextColor,
_audioControlColor = audioControlColor,
_currentUserTimeTextColor = currentUserTimeTextColor,
_timeTextColor = timeTextColor;

Expand Down Expand Up @@ -122,6 +124,18 @@ class MessageOptions {
/// Default to: `Colors.grey.shade100`
final Color containerColor;

/// Color of the audio player button
///
/// Default to: `Colors.grey.shade100`
final Color? _audioControlColor;

/// Used to calculate [audioPlayerButtonColor]
///
/// Default to: `Colors.grey.shade100`
Color audioControlColor(BuildContext context) {
return _audioControlColor ?? Theme.of(context).colorScheme.primary;
}

/// Color of the other users text in chat bubbles
///
/// Default to: `Colors.black`
Expand Down
142 changes: 142 additions & 0 deletions lib/src/widgets/message_row/audio_player.dart
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@@ -0,0 +1,142 @@
part of '../../../dash_chat_2.dart';

class AudioPlayerWidget extends StatefulWidget {
const AudioPlayerWidget({
required this.url,
this.canPlay = true,
this.audioControlColor,
this.containerColor = const Color(0xFFF5F5F5),
Key? key,
}) : super(key: key);

/// URL of the audio file
final String url;

/// If the audio can be played
final bool canPlay;

/// Optional color of the play button
final Color? audioControlColor;

/// Background color of the audio message container
final Color containerColor;

@override
State<AudioPlayerWidget> createState() => _AudioPlayerWidgetState();
}

class _AudioPlayerWidgetState extends State<AudioPlayerWidget> {
late AudioPlayer _audioPlayer;
bool isPlaying = false;
bool hasError = false;
Duration duration = Duration.zero;
Duration position = Duration.zero;
final List<int> _randomWave =
List<int>.generate(30, (int index) => Random().nextInt(10) + 5);

@override
void initState() {
super.initState();
_audioPlayer = AudioPlayer()
..onDurationChanged.listen((Duration d) => setState(() => duration = d))
..onPositionChanged.listen((Duration p) => setState(() => position = p))
..onPlayerComplete.listen((_) => setState(() {
isPlaying = false;
position = Duration.zero;
}));
}

@override
void dispose() {
_audioPlayer.dispose();
super.dispose();
}

Future<void> _togglePlayPause() async {
if (hasError) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Error playing audio. Please check the file format.'),
backgroundColor: Colors.red,
),
);
return;
}

try {
if (isPlaying) {
await _audioPlayer.pause();
} else {
await _audioPlayer.play(UrlSource(widget.url));
}
setState(() => isPlaying = !isPlaying);
} catch (e) {
setState(() {
hasError = true;
isPlaying = false;
});
debugPrint('Exception while playing audio: $e');
}
}

@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: widget.containerColor,
borderRadius: BorderRadius.circular(12),
),
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 8),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(10),
),
child: Row(
children: <Widget>[
GestureDetector(
onTap: widget.canPlay ? _togglePlayPause : null,
child: CircleAvatar(
backgroundColor: hasError
? Colors.red
: widget.audioControlColor ?? Colors.blue,
radius: 20,
child: Icon(
hasError
? Icons.error
: (isPlaying ? Icons.pause : Icons.play_arrow),
color: Colors.white,
),
),
),
const SizedBox(width: 10),
Expanded(
child: hasError
? const Text(
'Error: Invalid audio format',
style: TextStyle(color: Colors.red),
)
: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: _randomWave
.map((int h) => Container(
height: h.toDouble(),
width: 3,
margin:
const EdgeInsets.symmetric(horizontal: 1),
decoration: BoxDecoration(
color:
widget.audioControlColor ?? Colors.blue,
borderRadius: BorderRadius.circular(2),
),
))
.toList(),
),
),
],
),
),
);
}
}
27 changes: 23 additions & 4 deletions lib/src/widgets/message_row/media_container.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,18 @@ class MediaContainer extends StatelessWidget {
child: const CircularProgressIndicator(),
);
switch (media.type) {
case MediaType.audio:
return Stack(
alignment: AlignmentDirectional.bottomEnd,
children: <Widget>[
AudioPlayerWidget(
url: media.url,
key: Key(media.url),
audioControlColor: messageOptions.audioControlColor(context),
),
if (media.isUploading) loading
],
);
case MediaType.video:
return Stack(
alignment: AlignmentDirectional.bottomEnd,
Expand Down Expand Up @@ -103,11 +115,16 @@ class MediaContainer extends StatelessWidget {
final double gallerySize =
(MediaQuery.of(context).size.width * 0.7) / 2 - 5;
final bool isImage = m.type == MediaType.image;
final bool isAudio = m.type == MediaType.audio;
return Container(
color: Colors.transparent,
margin: const EdgeInsets.only(top: 5, right: 5),
width: media.length > 1 && isImage ? gallerySize : null,
height: media.length > 1 && isImage ? gallerySize : null,
width: isAudio
? min(MediaQuery.of(context).size.width * 0.9, 250)
: (media.length > 1 && isImage ? gallerySize : null),
height: isAudio
? 70
: (media.length > 1 && isImage ? gallerySize : null),
constraints: BoxConstraints(
maxHeight: MediaQuery.of(context).size.height * 0.5,
maxWidth: MediaQuery.of(context).size.width * 0.7,
Expand All @@ -130,8 +147,10 @@ class MediaContainer extends StatelessWidget {
child: _getMedia(
context,
m,
media.length > 1 ? gallerySize : null,
media.length > 1 ? gallerySize : null,
isAudio ? 70 : (media.length > 1 ? gallerySize : null),
isAudio
? min(MediaQuery.of(context).size.width * 0.9, 250)
: (media.length > 1 ? gallerySize : null),
),
),
),
Expand Down
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