118 lines
3.7 KiB
Dart
118 lines
3.7 KiB
Dart
import 'dart:io';
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import 'package:flutter/cupertino.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:stream_chat_flutter/stream_chat_flutter.dart'
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show Attachment, AttachmentFile, Message, StreamChannel;
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class MessageInput extends StatefulWidget {
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const MessageInput({
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Key? key,
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}) : super(key: key);
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@override
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_MessageInputState createState() => _MessageInputState();
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}
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class _MessageInputState extends State<MessageInput> {
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final textController = TextEditingController();
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final picker = ImagePicker();
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@override
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void initState() {
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super.initState();
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textController.addListener(() {
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setState(() {});
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});
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}
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@override
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Widget build(BuildContext context) {
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return Align(
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alignment: FractionalOffset.bottomCenter,
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 8.0, vertical: 32.0),
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child: Row(
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children: [
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GestureDetector(
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onTap: () async {
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final pickedFile =
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await (picker.pickImage(source: ImageSource.gallery));
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if (pickedFile == null) {
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return;
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}
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final bytes = await File(pickedFile.path).readAsBytes();
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final channel = StreamChannel.of(context).channel;
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final message = Message(
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text: textController.value.text,
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attachments: [
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Attachment(
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type: 'image',
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file: AttachmentFile(
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bytes: bytes,
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path: pickedFile.path,
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size: bytes.length,
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),
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),
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],
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);
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await channel.sendMessage(message);
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},
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Icon(
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CupertinoIcons.camera_fill,
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color: CupertinoColors.systemGrey,
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size: 35,
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),
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),
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),
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Expanded(
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child: CupertinoTextField(
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controller: textController,
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onSubmitted: (input) async {
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await sendMessage(context, input);
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},
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placeholder: 'Text Message',
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prefix: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Text(
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'',
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), //trick to add padding around placeholder iMessage text
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),
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suffix: GestureDetector(
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onTap: () async {
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if (textController.value.text.isNotEmpty) {
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await sendMessage(context, textController.value.text);
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textController.clear();
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}
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},
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Icon(
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CupertinoIcons.arrow_up_circle_fill,
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color: CupertinoColors.activeGreen,
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size: 35,
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),
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),
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),
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decoration: BoxDecoration(
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border: Border.all(
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color: CupertinoColors.systemGrey,
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),
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borderRadius: BorderRadius.all(Radius.circular(35))),
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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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Future<void> sendMessage(BuildContext context, String input) async {
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final streamChannel = StreamChannel.of(context);
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await streamChannel.channel.sendMessage(Message(text: input.trim()));
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}
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}
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