flutter_link_preview
This is a URL preview plugin that previews the content of a URL
Special feature
- Use multi-processing to parse web pages, avoid blocking the main process
- Support for content caching and expiration mechanisms to return results faster
- Better fault tolerance, multiple ways to find icons, titles, descriptions, image
- Better support gbk code, no messy code
- Optimized for large files with better crawl performance
- Support for second hop authentication with cookies
- Support gif, video and other content capture
- Supports custom builder
Getting Started
FlutterLinkPreview(
url: "https://github.com",
titleStyle: TextStyle(
color: Colors.blue,
fontWeight: FontWeight.bold,
),
)
Result:
Custom Rendering
Widget _buildCustomLinkPreview(BuildContext context) {
return FlutterLinkPreview(
key: ValueKey("${_controller.value.text}211"),
url: _controller.value.text,
builder: (info) {
if (info == null) return const SizedBox();
if (info is WebImageInfo) {
return CachedNetworkImage(
imageUrl: info.image,
fit: BoxFit.contain,
);
}
final WebInfo webInfo = info;
if (!WebAnalyzer.isNotEmpty(webInfo.title)) return const SizedBox();
return Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(10),
color: const Color(0xFFF0F1F2),
),
padding: const EdgeInsets.all(10),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Row(
children: <Widget>[
CachedNetworkImage(
imageUrl: webInfo.icon ?? "",
imageBuilder: (context, imageProvider) {
return Image(
image: imageProvider,
fit: BoxFit.contain,
width: 30,
height: 30,
errorBuilder: (context, error, stackTrace) {
return const Icon(Icons.link);
},
);
},
),
const SizedBox(width: 8),
Expanded(
child: Text(
webInfo.title,
overflow: TextOverflow.ellipsis,
),
),
],
),
if (WebAnalyzer.isNotEmpty(webInfo.description)) ...[
const SizedBox(height: 8),
Text(
webInfo.description,
maxLines: 5,
overflow: TextOverflow.ellipsis,
),
],
if (WebAnalyzer.isNotEmpty(webInfo.image)) ...[
const SizedBox(height: 8),
CachedNetworkImage(
imageUrl: webInfo.image,
fit: BoxFit.contain,
),
]
],
),
);
},
);
}
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