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Support null safety and fix cannot get twitter open graph tags #25

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Support null safety and fix cannot get twitter open graph tags #25

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b79f5e9
add facebookexternalhit, Bypassing the User-Agent whitelist to receiv…
May 13, 2021
ec0b771
update example
May 13, 2021
c53f6e3
update dependencies
May 13, 2021
9605f82
merge pr: https://github.com/yungzhu/flutter_link_preview/pull/13
May 13, 2021
67c6642
add example
May 13, 2021
e8edf48
try use "User-Agent" "WhatsApp/2" and add lihkg example
WingCH May 14, 2021
6dd0f91
support null safety
WingCH Dec 15, 2021
181713a
fix: Error:type 'List<String?>' is not a subtype of type 'List<Strin…
WingCH Dec 15, 2021
ee0d20d
fix: useMultithread
WingCH Dec 15, 2021
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2 changes: 1 addition & 1 deletion analysis_options.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -136,7 +136,7 @@ linter:
- slash_for_doc_comments
- sort_child_properties_last
# - sort_constructors_first
- sort_pub_dependencies
# - sort_pub_dependencies
- sort_unnamed_constructors_first
- test_types_in_equals
- throw_in_finally
Expand Down
33 changes: 24 additions & 9 deletions example/lib/main.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -17,16 +17,21 @@ class MyApp extends StatelessWidget {
}

class MyHomePage extends StatefulWidget {
const MyHomePage({Key key}) : super(key: key);
const MyHomePage({Key? key}) : super(key: key);

@override
_MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
TextEditingController _controller;
late TextEditingController _controller;
int _index = -1;
final List<String> _urls = [
"https://news.google.com/__i/rss/rd/articles/CBMiMGh0dHBzOi8vd3d3Lm1pcnJvcm1lZGlhLm1nL3N0b3J5LzIwMjExMjE1ZWRpMDExL9IBAA?oc=5",
"https://news.google.com/__i/rss/rd/articles/CBMiOmh0dHBzOi8vbmV3cy5sdG4uY29tLnR3L25ld3MvcG9saXRpY3MvYnJlYWtpbmduZXdzLzM3NjkxNTnSAT5odHRwczovL25ld3MubHRuLmNvbS50dy9hbXAvbmV3cy9wb2xpdGljcy9icmVha2luZ25ld3MvMzc2OTE1OQ?oc=5",
"https://lihkg.com/thread/2529600/page/1",
"https://youtu.be/v_hR4K4auoQ",
"https://twitter.com/sspai_com/status/1392794070704066566?s=20",
"https://mp.weixin.qq.com/s/qj7gkU-Pbdcdn3zO6ZQxqg",
"https://mp.weixin.qq.com/s/43GznPLxi5i3yOdvrlr1JQ",
"https://m.tb.cn/h.VFcZsnK?sm=34cd13",
Expand Down Expand Up @@ -69,11 +74,20 @@ class _MyHomePageState extends State<MyHomePage> {
"https://bbs.hupu.com/36997146.html",
"https://music.163.com/#/playlist?id=4944751157",
];

@override
void initState() {
_controller = TextEditingController(
text:
"https://www.bilibili.com/video/BV1F64y1c7hd?spm_id_from=333.851.b_7265706f7274466972737431.12");

// test useMultithread
WebAnalyzer.getInfo(
_urls[1],
multimedia: false,
useMultithread: true,
).then(print);

super.initState();
}

Expand Down Expand Up @@ -140,15 +154,16 @@ class _MyHomePageState extends State<MyHomePage> {
url: _controller.value.text,
builder: (info) {
if (info == null) return const SizedBox();
if (info is WebImageInfo) {
if (info is WebImageInfo && WebAnalyzer.isNotEmpty(info.image)) {
return CachedNetworkImage(
imageUrl: info.image,
imageUrl: info.image!,
fit: BoxFit.contain,
);
}

final WebInfo webInfo = info;
if (!WebAnalyzer.isNotEmpty(webInfo.title)) return const SizedBox();
final WebInfo? webInfo = info as WebInfo;
if (webInfo == null || !WebAnalyzer.isNotEmpty(webInfo.title))
return const SizedBox();
return Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(10),
Expand Down Expand Up @@ -177,7 +192,7 @@ class _MyHomePageState extends State<MyHomePage> {
const SizedBox(width: 8),
Expanded(
child: Text(
webInfo.title,
webInfo.title ?? "",
overflow: TextOverflow.ellipsis,
),
),
Expand All @@ -186,15 +201,15 @@ class _MyHomePageState extends State<MyHomePage> {
if (WebAnalyzer.isNotEmpty(webInfo.description)) ...[
const SizedBox(height: 8),
Text(
webInfo.description,
webInfo.description ?? "",
maxLines: 5,
overflow: TextOverflow.ellipsis,
),
],
if (WebAnalyzer.isNotEmpty(webInfo.image)) ...[
const SizedBox(height: 8),
CachedNetworkImage(
imageUrl: webInfo.image,
imageUrl: webInfo.image!,
fit: BoxFit.contain,
),
]
Expand Down
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