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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| import 'dart:math'; | ||
|
|
||
| /** | ||
| * Author: Damodar Lohani | ||
| * profile: https://github.com/lohanidamodar | ||
| */ | ||
| import 'package:flutter/material.dart'; | ||
|
|
||
| class ChatTwoPage extends StatefulWidget { | ||
| static final String path = "lib/src/pages/misc/chat2.dart"; | ||
| @override | ||
| _ChatTwoPageState createState() => _ChatTwoPageState(); | ||
| } | ||
|
|
||
| class _ChatTwoPageState extends State<ChatTwoPage> { | ||
| String text; | ||
| TextEditingController _controller; | ||
| final List<String> avatars = [ | ||
| "assets/img/1.jpg", | ||
| "assets/img/3.jpg", | ||
| ]; | ||
| final List<Message> messages = [ | ||
| Message(0, "But I may not go if the weather is bad."), | ||
| Message(0, "I suppose I am."), | ||
| Message(1, "Are you going to market today?"), | ||
| Message(0, "I am good too"), | ||
| Message(1, "I am fine, thank you. How are you?"), | ||
| Message(1, "Hi,"), | ||
| Message(0, "How are you today?"), | ||
| Message(0, "Hello,"), | ||
| ]; | ||
| final rand = Random(); | ||
|
|
||
| @override | ||
| void initState() { | ||
| super.initState(); | ||
| _controller = TextEditingController(); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| appBar: AppBar( | ||
| title: Text("Chat"), | ||
| ), | ||
| body: Column( | ||
| children: <Widget>[ | ||
| Expanded( | ||
| child: ListView.separated( | ||
| physics: BouncingScrollPhysics(), | ||
| separatorBuilder: (context, index) { | ||
| return const SizedBox(height: 10.0); | ||
| }, | ||
| reverse: true, | ||
| itemCount: messages.length, | ||
| itemBuilder: (BuildContext context, int index) { | ||
| Message m = messages[index]; | ||
| if (m.user == 0) return _buildMessageRow(m, current: true); | ||
| return _buildMessageRow(m, current: false); | ||
| }, | ||
| ), | ||
| ), | ||
| _buildBottomBar(context), | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| Container _buildBottomBar(BuildContext context) { | ||
| return Container( | ||
| margin: const EdgeInsets.symmetric( | ||
| vertical: 8.0, | ||
| horizontal: 16.0, | ||
| ), | ||
| decoration: BoxDecoration( | ||
| color: Colors.grey.shade200, | ||
| borderRadius: BorderRadius.circular(30.0), | ||
| ), | ||
| padding: const EdgeInsets.symmetric( | ||
| vertical: 8.0, | ||
| horizontal: 20.0, | ||
| ), | ||
| child: Row( | ||
| children: <Widget>[ | ||
| Expanded( | ||
| child: TextField( | ||
| textInputAction: TextInputAction.send, | ||
| controller: _controller, | ||
| decoration: InputDecoration( | ||
| contentPadding: const EdgeInsets.symmetric( | ||
| vertical: 10.0, | ||
| horizontal: 20.0, | ||
| ), | ||
| border: OutlineInputBorder( | ||
| borderRadius: BorderRadius.circular(20.0)), | ||
| hintText: "Aa"), | ||
| onEditingComplete: _save, | ||
| ), | ||
| ), | ||
| IconButton( | ||
| icon: Icon(Icons.send), | ||
| color: Theme.of(context).primaryColor, | ||
| onPressed: _save, | ||
| ) | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| _save() async { | ||
| if (_controller.text.isEmpty) return; | ||
| FocusScope.of(context).requestFocus(FocusNode()); | ||
| setState(() { | ||
| messages.insert(0, Message(rand.nextInt(2), _controller.text)); | ||
| _controller.clear(); | ||
| }); | ||
| } | ||
|
|
||
| Row _buildMessageRow(Message message, {bool current}) { | ||
| return Row( | ||
| mainAxisAlignment: | ||
| current ? MainAxisAlignment.end : MainAxisAlignment.start, | ||
| crossAxisAlignment: | ||
| current ? CrossAxisAlignment.end : CrossAxisAlignment.start, | ||
| children: <Widget>[ | ||
| SizedBox(width: current ? 30.0 : 20.0), | ||
| if (!current) ...[ | ||
| CircleAvatar( | ||
| backgroundImage: AssetImage( | ||
| current ? avatars[0] : avatars[1], | ||
| ), | ||
| radius: 20.0, | ||
| ), | ||
| const SizedBox(width: 5.0), | ||
| ], | ||
| Container( | ||
| padding: const EdgeInsets.symmetric( | ||
| vertical: 8.0, | ||
| horizontal: 16.0, | ||
| ), | ||
| decoration: BoxDecoration( | ||
| color: current ? Theme.of(context).primaryColor : Colors.white, | ||
| borderRadius: BorderRadius.circular(10.0)), | ||
| child: Text( | ||
| message.description, | ||
| style: TextStyle( | ||
| color: current ? Colors.white : Colors.black, fontSize: 18.0), | ||
| ), | ||
| ), | ||
| if (current) ...[ | ||
| const SizedBox(width: 5.0), | ||
| CircleAvatar( | ||
| backgroundImage: AssetImage( | ||
| current ? avatars[0] : avatars[1], | ||
| ), | ||
| radius: 10.0, | ||
| ), | ||
| ], | ||
| SizedBox(width: current ? 20.0 : 30.0), | ||
| ], | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| class Message { | ||
| final int user; | ||
| final String description; | ||
|
|
||
| Message(this.user, this.description); | ||
| } |
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