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dash_chat

AI Source Code

Initial Release

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️ V1 is not maintained anymore, check the V2 on: https://github.com/molteo-engineering-team/Dash-Chat-2 ️

Dash Chat

The most complete Chat UI for flutter

Inspired by react-native-gifted-chat. Highly customizable and helps developing chat UI faster.

Usage

To use this package, add dash_chat as a dependency in your pubspec.yaml file.

Features ?

Fully customizable components
Copy messages to clipboard
Multi-line TextInput
Touchable links using flutter_parsed_text
Avatar as user's initials
Quick Reply messages
Load earlier messages
Scroll to bottom Widget
Composer actions (to attach photos, etc.) - WIP

Message object ?

example, Chat Message

ChatMessage(
        text: "Hello",
        user: ChatUser(
          name: "Fayeed",
          uid: "123456789",
          avatar: "https://www.wrappixel.com/ampleadmin/assets/images/users/4.jpg",
        ),
        createdAt: DateTime.now(),
        image: "http://www.sclance.com/images/picture/Picture_753248.jpg",
    );

example, Chat Message with Quick Replies

ChatMessage(
        text: "This is a quick reply example.",
        user: ChatUser(),
        createdAt: DateTime.now(),
        quickReplies: QuickReplies(
          values: <Reply>[
            Reply(
              title: "? Yes",
              value: "Yes",
            ),
            Reply(
              title: "? Nope. What?",
              value: "no",
            ),
          ],
        ),
      ),

Parameters

messageContainerFlex (int) - Flex value for the messeage container defaults to 1
height (double) - Height for the Dash chat Widget.
width (double) - Width for the Dash chat Widget.
messages (List) - List of messages to display in the chat.
text (String) - [optional parameter] If provided will stop using the default controller.
onTextChange (Function(String)) - If the text parameter is passed then onTextChange must also be passed.
inputDecoration (InputDecoration) - Used to provide input decoration to the text.
messageIdGenerator (String Function) - Usually new message added by the user gets UUID v4 String generater by uuid.
user (ChatUser) - The current user object.

  DashChat(
    user: ChatUser(
      name: "Jhon Doe",
      uid: "xxxxxxxxx",
      avatar: "https://www.wrappixel.com/ampleadmin/assets/images/users/4.jpg",
    )
  );

onSend (Function(ChatMessage)) - Callback when sending a message.
alwaysShowSend (bool) - Should the send button be always active defaults to false.
avatarMaxSize (double) - Sets the default Avatar's max size, default is 30.0.
dateFormat (DateFormat) - Format to use for rendering date default is yyyy-MM-dd.
timeFormat (DateFormat) - Format to use for rendering time default is HH:mm:ss.
showUserAvatar (bool) - Should the user avatar be shown.
showAvatarForEveryMessage (bool) - Should the avatar be shown for every message defaults to false.
onPressAvatar (Function(ChatUser)) - Callback funtion when avatar is tapped on.
onLongPressAvatar (Function(ChatUser)) - Callback funtion when avatar is long pressed on.
onLongPressMessage (Function(ChatUser)) - Callback funtion when message is long pressed on.
inverted (bool) - Should the messages be shown in reversed order
avatarBuilder (Widget Function(ChatUser)) - Will override the the default avatar.
messageBuilder (Widget Function(ChatMessage)) - Will override the the default message widget.
messageTextBuilder (Widget Function(String)) - Will override the the default message text widget.
messageImageBuilder (Widget Function(String)) - Will override the the default message imaeg widget
messageTimeBuilder (Widget Function(String)) - Will override the the default message time widget.
dateBuilder (Widget Function(String)) - Will override the the default chat view date widget.
sendButtonBuilder (Widget Function(Function)) - Will override the the default send button widget.
chatFooterBuilder (Widget Function) - A Widget that will be shown below the MessageListView like you can a "tying..." Text Widget at the end.
inputFooterBuilder (Widget Function) - A Widget that will be shown below the ChatInputToolbar.
maxInputLength (int) - Main input length of the input text box defaulst to no limit.

parsePatterns (List) - Used to parse text to make a linkified text uses flutter_parsed_text.

DashChat(
  parsePatterns: <MatchText>[
    MatchText(
      type: "email",
      onTap: (String value) {}
    ),
    MatchText(
      pattern: r"B#+([w]+)b",
      style: TextStyle(
        color: Colors.pink,
        fontSize: 24,
      ),
      onTap: (String value) {}
    ),
  ]
);

messageContainerDecoration (BoxDecoration) - Provides a custom style to the message container.
leading (List<Widget>) - List of Widget to show before the TextField.
trailing (List<Widget>) - List of Widget to show after the TextField will remove the send button.
readOnly (bool) - Hides the input bar, defaults to false.
showTraillingBeforeSend - Should the trailling widgets be shown before the send button defaults to true.
inputTextStyle (TextStyle) - Style for the TextField.
inputContainerStyle (BoxDecoration) - TextField container style.
inputMaxLines (int) - Max length of the input lines default to 1.
showInputCursor (bool) - Should the input cursor be shown defaults to true.
inputCursorWidth (double) - Width of the text input defaults to 2.0.
inputCursorColor (Color) - Color of the input cursor defaults to theme.
scrollController (ScrollController) - ScrollController for the MessageListView.
messageContainerPadding (EdgeInsetsGeometry) - Padding for the MessageListView.
messagePadding (EdgeInsets) - Padding for the MessageContainer.
onQuickReply (Funtion(Reply)) - Callback method when the quickReply was tapped on.
quickReplyStyle (BoxDecoration) - Container style for the QuickReply Container.
quickReplyTextStyle (TextStyle) - QuickReply text style.
quickReplyBuilder (Widget Function(Reply)) - Will override the the default QuickReply Widget.
scrollToBottom (bool) - Should the scroll to bottom widget be shown defaults to true.
scrollToBottomStyle (ScrollToBottomStyle) - sets the style & position for the scrollToBottom widget.
scrollToBottomWidget (Widget Function()) - Overrides the default scrollToBottomWidget with a custom widget.
onScrollToBottomPress (Function) - override the default behaviour of the onScrollToBottom Widget.
shouldShowLoadEarlier (bool) - Should the LoadEarlier Floating widget be shown or use load as you scroll scheme whcih will call the onLoadEarlier defaults to false which is this scheme.
showLoadEarlierWidget (Widget Function()) - Override the default behaviour of the onScrollToBottom Widget.
onLoadEarlier (Function) - Override the default behaviour of the onLoadEarleir Widget or used as a callback when the listView reaches the top.
inputToolbarPadding (EdgeInsets) - Can be used to add padding to the input toolbar.
inputToolbarMargin (EdgeInsets) - Can be used to add margin to the input toolbar.
shouldStartMessagesFromTop (bool) - Can be used to align messages so that it starts from top to bottom instead of the default bottom to top.
textBeforeImage (bool) - Can be used to set the order of the text and the image inside a message defaults to true.
quickReplyScroll (bool) - Should the quick reply options be horizontally scrollable
quickReplyPadding (EdgeInsetsGeometry) - Padding for QuickReply
inputDisabled (bool) - Should the input TextField be disabled, defaults to false

messageDecorationBuilder (BoxDecoration Function(ChatMessage, isUser) - Override the message container decoration. [Note: This will override the messageContainerDecoration ]

DashChat(
  ...
  messageDecorationBuilder: (ChatMessage msg, bool isUser){
    return BoxDecoration(
      ...
      color: isUser ? Colors.red : Colors.blue, // example
      ...
    );
  },
  ...
);