这是indexloc提供的服务，不要输入任何密码
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Add image thumbnail preview #4

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Merged
merged 1 commit into from
Jun 14, 2025
Merged

Add image thumbnail preview #4

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5 changes: 5 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -14,3 +14,8 @@ A few resources to get you started if this is your first Flutter project:
For help getting started with Flutter development, view the
[online documentation](https://docs.flutter.dev/), which offers tutorials,
samples, guidance on mobile development, and a full API reference.

## Features

- Attach images to your chat messages.
- Preview a thumbnail of the attached image before sending.
85 changes: 63 additions & 22 deletions lib/ui/screens/chat_screen.dart
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Expand Up @@ -155,31 +155,72 @@ class _MessageInputState extends ConsumerState<MessageInput> {

return Padding(
padding: const EdgeInsets.all(8.0),
child: Row(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: TextField(
controller: _controller,
decoration: InputDecoration(
hintText: 'Type a message...',
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(24.0),
),
contentPadding: const EdgeInsets.symmetric(
horizontal: 16.0,
vertical: 12.0,
),
if (_selectedImage != null)
Padding(
padding: const EdgeInsets.only(bottom: 8.0),
child: Stack(
alignment: Alignment.topRight,
children: [
ClipRRect(
borderRadius: BorderRadius.circular(8.0),
child: Image.file(
_selectedImage!,
width: 100,
height: 100,
fit: BoxFit.cover,
),
),
GestureDetector(
onTap: () {
setState(() {
_selectedImage = null;
_updateCanSend();
});
},
child: Container(
padding: const EdgeInsets.all(2.0),
decoration: BoxDecoration(
color: Colors.black54,
borderRadius: BorderRadius.circular(12.0),
),
child: const Icon(
Icons.close,
size: 16,
color: Colors.white,
),
),
),
],
),
maxLines: null,
textInputAction: TextInputAction.send,
onSubmitted: (_) {
if (_canSend && !isLoading && activeSession != null) {
_sendMessage();
}
},
enabled: !isLoading && activeSession != null,
),
),
Row(
children: [
Expanded(
child: TextField(
controller: _controller,
decoration: InputDecoration(
hintText: 'Type a message...',
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(24.0),
),
contentPadding: const EdgeInsets.symmetric(
horizontal: 16.0,
vertical: 12.0,
),
),
maxLines: null,
textInputAction: TextInputAction.send,
onSubmitted: (_) {
if (_canSend && !isLoading && activeSession != null) {
_sendMessage();
}
},
enabled: !isLoading && activeSession != null,
),
),
const SizedBox(width: 8.0),
IconButton(
icon: Icon(
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