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@ -1,14 +1,13 @@
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import 'package:flutter/material.dart';
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final ThemeData kIOSTheme = ThemeData(
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primarySwatch: Colors.orange,
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primaryColor: Colors.grey[100],
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primaryColorBrightness: Brightness.light
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primaryColorBrightness: Brightness.light,
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);
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final ThemeData kDefaultTheme = ThemeData(
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primarySwatch: Colors.purple,
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accentColor: Colors.orangeAccent
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accentColor: Colors.orangeAccent,
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);
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void main() {
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runApp(FriendlychatApp());
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@ -21,7 +20,9 @@ class FriendlychatApp extends StatelessWidget {
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Widget build(BuildContext build) {
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return MaterialApp(
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title: 'Friendlychat',
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theme: Theme.of(build).platform == TargetPlatform.iOS ? kIOSTheme : kDefaultTheme,
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theme: Theme.of(build).platform == TargetPlatform.iOS
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? kIOSTheme
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: kDefaultTheme,
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home: ChatAppHomePage(title: 'Friendlychat'),
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);
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}
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@ -32,7 +33,6 @@ class ChatAppHomePage extends StatefulWidget {
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final String title;
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@override
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_ChatAppHomePageState createState() => _ChatAppHomePageState();
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}
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@ -80,7 +80,7 @@ class TwoPaneChatLayout extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return Row(
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children: <Widget>[
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children: [
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Container(
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child: ChatListScreen(chatEntries: chatEntries),
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constraints: BoxConstraints(minWidth: 100, maxWidth: 300),
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@ -107,21 +107,20 @@ class ChatListScreen extends StatelessWidget {
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itemBuilder: (context, index) {
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return ListTile(
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leading: CircleAvatar(
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child: Text(chatEntries[index].name[0])
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child: Text(chatEntries[index].name[0]),
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),
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title: Text(chatEntries[index].name),
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onTap: () {
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Navigator.push(
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Navigator.push<void>(
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context,
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MaterialPageRoute(
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builder: (context) => ChatScreen(
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contactName: chatEntries[index].name
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),
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MaterialPageRoute<void>(
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builder: (context) =>
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ChatScreen(contactName: chatEntries[index].name),
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),
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);
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},
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);
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}
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},
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),
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);
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}
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@ -139,7 +138,7 @@ class ChatScreen extends StatefulWidget {
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class ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
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final TextEditingController _textController = TextEditingController();
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final List<ChatMessage> _messages = <ChatMessage>[];
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final List<ChatMessage> _messages = [];
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final String contactName;
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ChatScreenState({@required this.contactName}) : super();
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@ -149,14 +148,14 @@ class ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
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Widget build(BuildContext context) {
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return Scaffold(
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body: Column(
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children: <Widget>[
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children: [
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Flexible(
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child: ListView.builder(
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padding: EdgeInsets.all(8.0),
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reverse: true,
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itemBuilder: (_, int index) => _messages[index],
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itemBuilder: (_, index) => _messages[index],
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itemCount: _messages.length,
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)
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),
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),
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Divider(height: 1.0),
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Container(
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@ -164,7 +163,7 @@ class ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
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child: _buildTextComposer(),
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)
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],
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)
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),
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);
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}
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@ -182,34 +181,37 @@ class ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
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child: Container(
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margin: const EdgeInsets.symmetric(horizontal: 8.0),
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child: Row(
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children: <Widget>[
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children: [
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Flexible(
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child: TextField(
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controller: _textController,
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onSubmitted: _handleSubmitted,
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decoration: InputDecoration.collapsed(hintText: "Send a message"),
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onChanged: (String text) {
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setState(() {
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_isComposing = text.length > 0;
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});
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},
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)
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child: TextField(
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controller: _textController,
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onSubmitted: _handleSubmitted,
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decoration:
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InputDecoration.collapsed(hintText: "Send a message"),
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onChanged: (text) {
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setState(() {
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_isComposing = text.isNotEmpty;
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});
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},
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),
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),
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Container(
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margin: EdgeInsets.symmetric(horizontal: 4.0),
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child: IconButton( //modified
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icon: Icon(Icons.send),
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onPressed: _isComposing ?
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() => _handleSubmitted(_textController.text) : null,
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)
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child: IconButton(
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//modified
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icon: Icon(Icons.send),
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onPressed: _isComposing
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? () => _handleSubmitted(_textController.text)
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: null,
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),
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)
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],
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)
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)
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),
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),
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);
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}
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void _handleSubmitted (String text) {
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void _handleSubmitted(String text) {
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_textController.clear();
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setState(() {
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_isComposing = false;
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@ -217,8 +219,8 @@ class ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
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ChatMessage message = ChatMessage(
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text: text,
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animationController: AnimationController(
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duration: Duration(milliseconds: 200),
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vsync: this
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duration: Duration(milliseconds: 200),
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vsync: this,
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),
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name: contactName,
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);
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@ -237,16 +239,16 @@ class ChatMessage extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return SizeTransition(
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sizeFactor: CurvedAnimation(
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sizeFactor: CurvedAnimation(
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parent: animationController,
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curve: Curves.easeOut
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),
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axisAlignment: 0.0,
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child: Container(
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curve: Curves.easeOut,
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),
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axisAlignment: 0.0,
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child: Container(
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margin: const EdgeInsets.symmetric(vertical: 10.0),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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children: [
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Container(
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margin: const EdgeInsets.only(right: 16.0),
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child: CircleAvatar(child: Text(name[0])),
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@ -254,7 +256,7 @@ class ChatMessage extends StatelessWidget {
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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children: [
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Text(name, style: Theme.of(context).textTheme.subhead),
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Container(
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margin: const EdgeInsets.only(top: 5.0),
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@ -265,7 +267,7 @@ class ChatMessage extends StatelessWidget {
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)
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],
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),
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)
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),
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);
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}
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}
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@ -274,4 +276,4 @@ class ChatListEntry {
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final String name;
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ChatListEntry(this.name);
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}
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}
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