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Messages

Overview

The Messages is a Composite Widget that manages messages for users and groups.

Image

The Messages widget is composed of three individual widgets, MessageHeader, MessageList, and MessageComposer. In addition, the Messages widget also navigates to the Details and ThreadedMessages widgets.

WidgetsDescription
MessageHeaderCometChatMessageHeader displays the User or Group information using CometChat SDK's User or Group object. It also shows the typing indicator when the user starts typing in MessageComposer.
MessageListCometChatMessageList is one of the core UI widgets. It displays a list of messages and handles real-time operations.
MessageComposerCometChatMessageComposer is an independent and critical widget that allows users to compose and send various types of messages includes text, image, video and custom messages.
DetailsCometChatDetails is a widget that displays all the available options available for Users & Groups
ThreadedMessagesCometChatThreadedMessages is a widget that displays all replies made to a particular message in a conversation.

Usage

Integration

You can launch CometChatMessages directly using Navigator.push, or you can define it as a widget within the build method of your State class.

1. Using Navigator to Launch CometChatMessages
Navigator.push(context, MaterialPageRoute(builder: (context) => CometChatMessages())); // A user or group object is required to launch this widget.
2. Embedding CometChatMessages as a Widget in the build Method
import 'package:cometchat_chat_uikit/cometchat_chat_uikit.dart';
import 'package:flutter/material.dart';

class Messages extends StatefulWidget {
const Messages({super.key});


State<Messages> createState() => _MessagesState();
}

class _MessagesState extends State<Messages> {


Widget build(BuildContext context) {
return Scaffold(
body: SafeArea(
child: CometChatMessages() // A user or group object is required to launch this widget.
)
);
}
}

Actions

Actions dictate how a widget functions. They are divided into two types: Predefined and User-defined. You can override either type, allowing you to tailor the behavior of the widget to fit your specific needs.

The Messages widget does not have its actions. However, since it's a Composite Widget, you can use the actions of its widgets by utilizing the Configurations object of each component.

Example

In this example, we are employing the ThreadRepliesClick action from the MessageList Widget through the MessageListConfiguration object.

CometChatMessages(
user: user,
messageListConfiguration: MessageListConfiguration(
onThreadRepliesClick: (message, context, {bubbleView}) {
// TODO("Not yet implemented")
},
),
)
Image

The Messages Widget overrides the ThreadRepliesClick action to navigate to the ThreadedMessages component. If you override ThreadRepliesClick, it will also override the default behavior of the Messages Widget.


Filters

Filters allow you to customize the data displayed in a list within a Widget. You can filter the list based on your specific criteria, allowing for a more customized. Filters can be applied using RequestBuilders of Chat SDK.

The Messages widget does not have its filters. But as it is a Composite Widget, you can use the filters of its widgets by using the Configurations object of each component. For more details on the filters of its widgets, please refer to MessageList Filters.

Example

In this example, we're applying the MessageList Widget filter to the Messages Widget using MessageListConfiguration.

CometChatMessages(
user: user,
messageListConfiguration: MessageListConfiguration(
messagesRequestBuilder: MessagesRequestBuilder()
..uid = user.uid
..searchKeyword = "searchKeyword"
),
)

Events

Events are emitted by a Widget. By using event you can extend existing functionality. Being global events, they can be applied in Multiple Locations and are capable of being Added or Removed.

The list of events emitted by the Messages widget is as follows.

EventDescription
ccMessageSentTriggers whenever a loggedIn user sends any message, it will have two states such as:

inProgress & sent
ccMessageEditedTriggers whenever a loggedIn user edits any message from the list of messages .it will have two states such as: inProgress & sent
ccMessageDeletedTriggers whenever a loggedIn user deletes any message from the list of messages
ccMessageReadTriggers whenever a loggedIn user reads any message.
ccLiveReactionTriggers whenever a loggedIn clicks on live reaction

Example

import 'package:cometchat_chat_uikit/cometchat_chat_uikit.dart';
import 'package:flutter/material.dart';

class YourScreen extends StatefulWidget {
const YourScreen({super.key});


State<YourScreen> createState() => _YourScreenState();
}

class _YourScreenState extends State<YourScreen> with CometChatMessageEventListener {


void initState() {
super.initState();
CometChatMessageEvents.addMessagesListener("listenerId", this); // Add the listener
}


void dispose(){
super.dispose();
CometChatMessageEvents.removeMessagesListener("listenerId"); // Remove the listener
}


void ccMessageSent(BaseMessage message, MessageStatus messageStatus) {
// TODO: implement ccMessageSent
super.ccMessageSent(message, messageStatus);
}


void ccMessageEdited(BaseMessage message, MessageEditStatus status) {
// TODO: implement ccMessageEdited
super.ccMessageEdited(message, status);
}


void ccMessageDeleted(BaseMessage message, EventStatus messageStatus) {
// TODO: implement ccMessageDeleted
super.ccMessageDeleted(message, messageStatus);
}


void ccLiveReaction(String reaction) {
// TODO: implement ccLiveReaction
super.ccLiveReaction(reaction);
}


Widget build(BuildContext context) {
return const Placeholder();
}

}

Customization

To fit your app's design requirements, you can customize the appearance of the conversation component. We provide exposed methods that allow you to modify the experience and behavior according to your specific needs.

Style

Using Style you can customize the look and feel of the widget in your app, These parameters typically control elements such as the color, size, shape, and fonts used within the component.

1. Messages Style

You can customize the appearance of the Messages Widget by applying the MessagesStyle to it using the following code snippet.

CometChatMessages(
user: user,
messagesStyle: MessagesStyle(
background: Color(0xFFE4EBF5),
),
)
Image

List of properties exposed by MessagesStyle

PropertyDescriptionCode
BackgroundBackground color of the widgetbackground: Color?
BorderBorder of the widgetborder: Border?
Border RadiusBorder radius of the widgetborderRadius: BorderRadius?
GradientGradient of the widgetgradient: Gradient?

2. Widget's Styles

Being a Composite component, the Messages Widget allows you to customize the styles of its widgets using their respective Configuration objects.

For a list of all available properties, refer to each component's styling documentation: MesssageHeader Styles, MessageList Styles, MessageComposer Styles, Details Styles, ThreadMessages Styles.

Example

In this example, we are creating MessageListStyle and MessageComposerStyle and then applying them to the Messages Widget using MessageListConfiguration and MessageComposerConfiguration.

CometChatMessages(
user: user,
messageListConfiguration: MessageListConfiguration(
messageListStyle: MessageListStyle(
background: Color(0xFFE4EBF5),
border: Border.all(width: 3, color: Colors.red)
),
),
messageComposerConfiguration: MessageComposerConfiguration(
messageComposerStyle: MessageComposerStyle(
background: Color(0xFFB39DDB),
border: Border.all(width: 3, color: Colors.yellow)
)
),
)

Functionality

These are a set of small functional customizations that allow you to fine-tune the overall experience of the component. With these, you can change text, set custom icons, and toggle the visibility of UI elements.

Image
CometChatMessages(
user: user,
hideMessageComposer: true,
hideDetails: true
)
Image

List of properties exposed by CometChatMessages

PropertyDescriptionCode
UserUser object for which the messages are to be shownuser: User?
GroupGroup object for which the messages are to be showngroup: Group?
Hide Message ComposerToggles visibility for message composerhideMessageComposer: bool?
Disable TypingIf true, disables the typing indicatordisableTyping: bool?
Custom Sound For Incoming MessagesCustom sound path for incoming messagescustomSoundForIncomingMessages: String?
Custom Sound For Incoming Message PackagePackage name for sound incoming from different packagecustomSoundForIncomingMessagePackage: String?
Custom Sound For Outgoing MessagesCustom sound path for outgoing messagescustomSoundForOutgoingMessages: String?
Custom Sound For Outgoing Message PackagePackage name for sound outgoing from different packagecustomSoundForOutgoingMessagePackage: String?
Hide Message HeaderToggles visibility for message headerhideMessageHeader: bool?
Disable Sound For MessagesDisables sound for incoming and outgoing messagedisableSoundForMessages: bool?
ThemeCustom theme for the messages screentheme: CometChatTheme?
Hide DetailsToggles visibility for details iconshideDetails: bool?

Advanced

For advanced-level customization, you can set custom widgets to the component. This lets you tailor each aspect of the widget to fit your exact needs and application aesthetics. You can create and define your widgets and then incorporate those into the component.

MessageHeaderView

You can set your custom message header widget using the messageHeaderView method. But keep in mind, by using this you will override the default message header functionality.

Here is the complete example for reference:

Example

CometChatMessages(
user: user,
messageHeaderView: (user, group, context) {
return AppBar(
backgroundColor: Color(0xFFE4EBF5),
title: Text(user?.name ?? 'Default Title'),
leading: IconButton(
icon: Icon(Icons.arrow_back),
onPressed: () {
// TODO("Not yet implemented")
},
),
); // Custom AppBar
},
)
Image

MessageListView

You can set your custom message list widget using the messageListView method. But keep in mind, by using this you will override the default message ListView functionality.

Here is the complete example for reference:

Example

CometChatMessages(
user: user,
messageListView: (user, group, context) {
return Container(
margin: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Color(0xFFE4EBF5),
borderRadius: BorderRadius.circular(10),
border: Border.all(width: 5, color: Color(0xFF6851D6)),
),
child: Center(
child: CometChatMessageList(user: user,),
),
);
},
)
Image

MessageComposerView

You can set your custom Message Composer widget using the messageComposerView method. But keep in mind, by using this you will override the default message composer functionality.

Here is the complete example for reference:

Example

CometChatMessages(
user: user,
messageComposerView: (user, group, context) {
return Container(
margin: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Color(0xFFE4EBF5),
borderRadius: BorderRadius.circular(10),
border: Border.all(width: 5, color: Colors.red),
),
child: CometChatMessageComposer(user: user),
);
},
)
Image

Configuration

Configurations offer the ability to customize the properties of each individual widget within a Composite Widget.

The Messages Widget is a Composite Widget and it has a specific set of configuration for each of its widgets.

MessageHeader

If you want to customize the properties of the MessageHeader Widget inside Messages Widget, you need use the MessageHeaderConfiguration object.

CometChatMessages(
user: user,
messageHeaderConfiguration: MessageHeaderConfiguration(),
)

The MessageHeaderConfiguration provides access to all the Action, Filters, Styles, Functionality, and Advanced properties of the MessageHeader component.

Please note that the properties marked with the report symbol are not accessible within the Configuration Object.

Example

In this example, we will be adding a custom back button and styling a few properties of the Avatar widget of the MessageHeader widget using MessageHeaderConfiguration.

CometChatMessages(
user: user,
messageHeaderConfiguration: MessageHeaderConfiguration(
avatarStyle: AvatarStyle(
border: Border.all(width: 5),
borderRadius: 20,
background: Colors.red
),
),
)
Image

MessageList

If you want to customize the properties of the MessageList Widget inside Messages Widget, you need use the MessageListConfiguration object.

CometChatMessages(
user: user,
messageListConfiguration: MessageListConfiguration(),
)

The MessageListConfiguration provides access to all the Action, Filters, Styles, Functionality, and Advanced properties of the MessageList component.

Please note that the properties marked with the report symbol are not accessible within the Configuration Object.

Example

In this example, we will be changing the list alignment and modifying the message bubble styles in the MessageList widget using MessageListConfiguration.

CometChatMessages(
user: user,
messageListConfiguration: MessageListConfiguration(
alignment: ChatAlignment.leftAligned,
messageListStyle: MessageListStyle(
background: Color(0xFFE4EBF5),
border: Border.all(width: 1, color: Colors.red),
borderRadius: 10,
),
),
)
Image

MessageComposer

If you want to customize the properties of the MessageComposer Widget inside Messages Widget, you need use the MessageComposerConfiguration object.

CometChatMessages(
user: user,
messageComposerConfiguration: MessageComposerConfiguration(),
)

The MessageComposerConfiguration provides access to all the Action, Filters, Styles, Functionality, and Advanced properties of the MessageComposer component.

Please note that the properties marked with the report symbol are not accessible within the Configuration Object.

Example

In this example, we'll be adding a custom header widget and customizing some properties of the MessageComposer widget using MessageComposerConfiguration.

CometChatMessages(
user: user,
messageComposerConfiguration: MessageComposerConfiguration(
headerView: (context, user, group, id) {
return Container(
width: MediaQuery.of(context).size.width/1.2,
margin: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Color(0xFF6851D6),
borderRadius: BorderRadius.circular(10),
border: Border.all(width: 5, color: Color(0xFF6851D6)),
),
child: Center(child: Text("Your Custom Header View", style: TextStyle(color: Colors.white),)),
);
},
messageComposerStyle: MessageComposerStyle(
background: Color(0xFFE4EBF5),
border: Border.all(width: 1, color: Colors.red),
borderRadius: 10,
),
),
)
Image

ThreadedMessages

If you want to customize the properties of the ThreadedMessages Widget inside Messages Widget, you need use the ThreadedMessagesConfiguration object.

CometChatMessages(
user: user,
threadedMessagesConfiguration: ThreadedMessagesConfiguration()
)

The ThreadedMessagesConfiguration provides access to all the Action, Filters, Styles, Functionality, and Advanced properties of the ThreadedMessages component.

Please note that the properties marked with the report symbol are not accessible within the Configuration Object.

Example

In this example, we are adding a custom title to the Threaded Message widget and also adding custom properties to the MessageList using MessageListConfiguration. We then apply these changes to the ThreadedMessages widget using ThreadedMessagesConfiguration.

CometChatMessages(
user: user,
threadedMessagesConfiguration: ThreadedMessagesConfiguration(
title: "Your Custom Title",
threadedMessagesStyle: ThreadedMessageStyle(
background: Color(0xFFE4EBF5),
border: Border.all(width: 1, color: Colors.red),
borderRadius: 10,
)
)
)
Image

Details

If you want to customize the properties of the Details Widget inside Messages Widget, you need use the DetailsConfiguration object.

CometChatMessages(
user: user,
detailsConfiguration: DetailsConfiguration()
)

The DetailsConfiguration provides access to all the Action, Filters, Styles, Functionality, and Advanced properties of the MessageComposer component.

Please note that the properties marked with the report symbol are not accessible within the Configuration Object.

Example

In this example, we'll be customizing some properties of the MessageComposer widget using DetailsConfiguration.

CometChatMessages(
user: user,
detailsConfiguration: DetailsConfiguration(
title: "Your Custom Title",
avatarStyle: AvatarStyle(
border: Border.all(width: 5),
borderRadius: 20,
background: Colors.red
),
detailsStyle: DetailsStyle(
background: Color(0xFFE4EBF5),
border: Border.all(width: 1, color: Colors.red),
titleStyle: TextStyle(color: Colors.red, fontFamily: "PlaywritePL"),
)
)
)
Image