diff --git a/android/build.gradle b/android/build.gradle
index 4f31800..20dffdd 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -22,6 +22,7 @@ rootProject.allprojects {
 apply plugin: 'com.android.library'
 
 android {
+    namespace "xyz.justsoft.video_thumbnail"
     compileSdkVersion 33
 
     defaultConfig {
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 115d516..572f01a 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -2,7 +2,6 @@ import 'dart:async';
 import 'dart:typed_data';
 
 import 'package:flutter/material.dart';
-import 'dart:io';
 
 import 'package:video_thumbnail/video_thumbnail.dart';
 import 'package:image_picker/image_picker.dart';
@@ -29,13 +28,13 @@ class ThumbnailRequest {
   final int quality;
 
   const ThumbnailRequest(
-      {this.video,
-      this.thumbnailPath,
-      this.imageFormat,
-      this.maxHeight,
-      this.maxWidth,
-      this.timeMs,
-      this.quality});
+      {required this.video,
+      required this.thumbnailPath,
+      required this.imageFormat,
+      required this.maxHeight,
+      required this.maxWidth,
+      required this.timeMs,
+      required this.quality});
 }
 
 class ThumbnailResult {
@@ -43,44 +42,29 @@ class ThumbnailResult {
   final int dataSize;
   final int height;
   final int width;
-  const ThumbnailResult({this.image, this.dataSize, this.height, this.width});
+  const ThumbnailResult(
+      {required this.image,
+      required this.dataSize,
+      required this.height,
+      required this.width});
 }
 
 Future<ThumbnailResult> genThumbnail(ThumbnailRequest r) async {
   //WidgetsFlutterBinding.ensureInitialized();
   Uint8List bytes;
   final Completer<ThumbnailResult> completer = Completer();
-  if (r.thumbnailPath != null) {
-    final thumbnailPath = await VideoThumbnail.thumbnailFile(
-        video: r.video,
-        headers: {
-          "USERHEADER1": "user defined header1",
-          "USERHEADER2": "user defined header2",
-        },
-        thumbnailPath: r.thumbnailPath,
-        imageFormat: r.imageFormat,
-        maxHeight: r.maxHeight,
-        maxWidth: r.maxWidth,
-        timeMs: r.timeMs,
-        quality: r.quality);
 
-    print("thumbnail file is located: $thumbnailPath");
-
-    final file = File(thumbnailPath);
-    bytes = file.readAsBytesSync();
-  } else {
-    bytes = await VideoThumbnail.thumbnailData(
-        video: r.video,
-        headers: {
-          "USERHEADER1": "user defined header1",
-          "USERHEADER2": "user defined header2",
-        },
-        imageFormat: r.imageFormat,
-        maxHeight: r.maxHeight,
-        maxWidth: r.maxWidth,
-        timeMs: r.timeMs,
-        quality: r.quality);
-  }
+  bytes = (await VideoThumbnail.thumbnailData(
+      video: r.video,
+      headers: {
+        "USERHEADER1": "user defined header1",
+        "USERHEADER2": "user defined header2",
+      },
+      imageFormat: r.imageFormat,
+      maxHeight: r.maxHeight,
+      maxWidth: r.maxWidth,
+      timeMs: r.timeMs,
+      quality: r.quality))!;
 
   int _imageDataSize = bytes.length;
   print("image size: $_imageDataSize");
@@ -102,7 +86,8 @@ Future<ThumbnailResult> genThumbnail(ThumbnailRequest r) async {
 class GenThumbnailImage extends StatefulWidget {
   final ThumbnailRequest thumbnailRequest;
 
-  const GenThumbnailImage({Key key, this.thumbnailRequest}) : super(key: key);
+  const GenThumbnailImage({Key? key, required this.thumbnailRequest})
+      : super(key: key);
 
   @override
   _GenThumbnailImageState createState() => _GenThumbnailImageState();
@@ -125,7 +110,7 @@ class _GenThumbnailImageState extends State<GenThumbnailImage> {
             children: <Widget>[
               Center(
                 child: Text(
-                    "Image ${widget.thumbnailRequest.thumbnailPath == null ? 'data size' : 'file size'}: $_dataSize, width:$_width, height:$_height"),
+                    "Image file size: $_dataSize, width:$_width, height:$_height"),
               ),
               Container(
                 color: Colors.grey,
@@ -183,9 +168,9 @@ class _DemoHomeState extends State<DemoHome> {
   int _sizeW = 0;
   int _timeMs = 0;
 
-  GenThumbnailImage _futreImage;
+  late GenThumbnailImage _futreImage;
 
-  String _tempDir;
+  late String _tempDir;
 
   @override
   void initState() {
@@ -275,7 +260,7 @@ class _DemoHomeState extends State<DemoHome> {
                       groupValue: _format,
                       value: ImageFormat.JPEG,
                       onChanged: (v) => setState(() {
-                        _format = v;
+                        _format = v!;
                         _editNode.unfocus();
                       }),
                     ),
@@ -289,7 +274,7 @@ class _DemoHomeState extends State<DemoHome> {
                       groupValue: _format,
                       value: ImageFormat.PNG,
                       onChanged: (v) => setState(() {
-                        _format = v;
+                        _format = v!;
                         _editNode.unfocus();
                       }),
                     ),
@@ -303,7 +288,7 @@ class _DemoHomeState extends State<DemoHome> {
                       groupValue: _format,
                       value: ImageFormat.WEBP,
                       onChanged: (v) => setState(() {
-                        _format = v;
+                        _format = v!;
                         _editNode.unfocus();
                       }),
                     ),
@@ -349,7 +334,7 @@ class _DemoHomeState extends State<DemoHome> {
                   child: ListView(
                     shrinkWrap: true,
                     children: <Widget>[
-                      (_futreImage != null) ? _futreImage : SizedBox(),
+                      _futreImage,
                     ],
                   ),
                 ),
@@ -379,10 +364,10 @@ class _DemoHomeState extends State<DemoHome> {
           children: <Widget>[
             FloatingActionButton(
               onPressed: () async {
-                File video =
-                    await ImagePicker.pickVideo(source: ImageSource.camera);
+                XFile? video =
+                    await ImagePicker().pickImage(source: ImageSource.camera);
                 setState(() {
-                  _video.text = video.path;
+                  _video.text = video!.path;
                 });
               },
               child: Icon(Icons.videocam),
@@ -393,10 +378,10 @@ class _DemoHomeState extends State<DemoHome> {
             ),
             FloatingActionButton(
               onPressed: () async {
-                File video =
-                    await ImagePicker.pickVideo(source: ImageSource.gallery);
+                XFile? video =
+                    await ImagePicker().pickVideo(source: ImageSource.gallery);
                 setState(() {
-                  _video.text = video?.path;
+                  _video.text = video!.path;
                 });
               },
               child: Icon(Icons.local_movies),
@@ -412,7 +397,7 @@ class _DemoHomeState extends State<DemoHome> {
                   _futreImage = GenThumbnailImage(
                       thumbnailRequest: ThumbnailRequest(
                           video: _video.text,
-                          thumbnailPath: null,
+                          thumbnailPath: '',
                           imageFormat: _format,
                           maxHeight: _sizeH,
                           maxWidth: _sizeW,
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 47d7e94..f4c41cb 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -5,65 +5,98 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.8.2"
+    version: "2.11.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.1"
+    version: "1.3.0"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: a1ace0a119f20aabc852d165077c036cd864315bd99b7eaa10a60100341941bf
+      url: "https://pub.dev"
     source: hosted
-    version: "1.15.0"
+    version: "1.19.0"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      sha256: "7caf6a750a0c04effbb52a676dce9a4a592e10ad35c34d6d2d0e4811160d5670"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.4+2"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   ffi:
     dependency: transitive
     description:
       name: ffi
-      url: "https://pub.dartlang.org"
+      sha256: "16ed7b077ef01ad6170a3d0c57caa4a112a38d7a2ed5602e0aca9ca6f3d98da6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
+  file_selector_linux:
+    dependency: transitive
+    description:
+      name: file_selector_linux
+      sha256: "54cbbd957e1156d29548c7d9b9ec0c0ebb6de0a90452198683a7d23aed617a33"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.9.3+2"
+  file_selector_macos:
+    dependency: transitive
+    description:
+      name: file_selector_macos
+      sha256: "271ab9986df0c135d45c3cdb6bd0faa5db6f4976d3e4b437cf7d0f258d941bfc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.9.4+2"
+  file_selector_platform_interface:
+    dependency: transitive
+    description:
+      name: file_selector_platform_interface
+      sha256: a3994c26f10378a039faa11de174d7b78eb8f79e4dd0af2a451410c1a5c3f66b
+      url: "https://pub.dev"
     source: hosted
-    version: "0.1.3"
-  file:
+    version: "2.6.2"
+  file_selector_windows:
     dependency: transitive
     description:
-      name: file
-      url: "https://pub.dartlang.org"
+      name: file_selector_windows
+      sha256: "8f5d2f6590d51ecd9179ba39c64f722edc15226cc93dcc8698466ad36a4a85a4"
+      url: "https://pub.dev"
     source: hosted
-    version: "5.2.1"
+    version: "0.9.3+3"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -73,222 +106,328 @@ packages:
     dependency: transitive
     description:
       name: flutter_plugin_android_lifecycle
-      url: "https://pub.dartlang.org"
+      sha256: "615a505aef59b151b46bbeef55b36ce2b6ed299d160c51d84281946f0aa0ce0e"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.11"
+    version: "2.0.24"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   http:
     dependency: transitive
     description:
       name: http
-      url: "https://pub.dartlang.org"
+      sha256: fe7ab022b76f3034adc518fb6ea04a82387620e19977665ea18d30a1cf43442f
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.2"
+    version: "1.3.0"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
-      url: "https://pub.dartlang.org"
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
+      url: "https://pub.dev"
     source: hosted
-    version: "3.1.4"
+    version: "4.1.2"
   image_picker:
     dependency: "direct dev"
     description:
       name: image_picker
-      url: "https://pub.dartlang.org"
+      sha256: "021834d9c0c3de46bf0fe40341fa07168407f694d9b2bb18d532dc1261867f7a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.2"
+  image_picker_android:
+    dependency: transitive
+    description:
+      name: image_picker_android
+      sha256: b62d34a506e12bb965e824b6db4fbf709ee4589cf5d3e99b45ab2287b008ee0c
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.8.12+20"
+  image_picker_for_web:
+    dependency: transitive
+    description:
+      name: image_picker_for_web
+      sha256: "717eb042ab08c40767684327be06a5d8dbb341fe791d514e4b92c7bbe1b7bb83"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.6"
+  image_picker_ios:
+    dependency: transitive
+    description:
+      name: image_picker_ios
+      sha256: "05da758e67bc7839e886b3959848aa6b44ff123ab4b28f67891008afe8ef9100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.8.12+2"
+  image_picker_linux:
+    dependency: transitive
+    description:
+      name: image_picker_linux
+      sha256: "4ed1d9bb36f7cd60aa6e6cd479779cc56a4cb4e4de8f49d487b1aaad831300fa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.1+1"
+  image_picker_macos:
+    dependency: transitive
+    description:
+      name: image_picker_macos
+      sha256: "1b90ebbd9dcf98fb6c1d01427e49a55bd96b5d67b8c67cf955d60a5de74207c1"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.6.7+15"
+    version: "0.2.1+2"
   image_picker_platform_interface:
     dependency: transitive
     description:
       name: image_picker_platform_interface
-      url: "https://pub.dartlang.org"
+      sha256: "886d57f0be73c4b140004e78b9f28a8914a09e50c2d816bdd0520051a71236a0"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
-  intl:
+    version: "2.10.1"
+  image_picker_windows:
+    dependency: transitive
+    description:
+      name: image_picker_windows
+      sha256: "6ad07afc4eb1bc25f3a01084d28520496c4a3bb0cb13685435838167c9dcedeb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.1+1"
+  leak_tracker:
     dependency: transitive
     description:
-      name: intl
-      url: "https://pub.dartlang.org"
+      name: leak_tracker
+      sha256: "7bb2830ebd849694d1ec25bf1f44582d6ac531a57a365a803a6034ff751d2d06"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.16.1"
+    version: "10.0.7"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: "9491a714cca3667b60b5c420da8217e6de0d1ba7a5ec322fab01758f6998f379"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.8"
+  leak_tracker_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_testing
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.11"
+    version: "0.12.16+1"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      url: "https://pub.dev"
     source: hosted
-    version: "0.1.3"
+    version: "0.11.1"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: bdb68674043280c3428e9ec998512fb681678676b3c54e773629ffe74419f8c7
+      url: "https://pub.dev"
     source: hosted
-    version: "1.7.0"
+    version: "1.15.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.9.0"
   path_provider:
     dependency: "direct dev"
     description:
       name: path_provider
-      url: "https://pub.dartlang.org"
+      sha256: "50c5dd5b6e1aaf6fb3a78b33f6aa3afca52bf903a8a5298f53101fdaee55bbcd"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.6.24"
-  path_provider_linux:
+    version: "2.1.5"
+  path_provider_android:
     dependency: transitive
     description:
-      name: path_provider_linux
-      url: "https://pub.dartlang.org"
+      name: path_provider_android
+      sha256: "4adf4fd5423ec60a29506c76581bc05854c55e3a0b72d35bb28d661c9686edf2"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.0.1+2"
-  path_provider_macos:
+    version: "2.2.15"
+  path_provider_foundation:
     dependency: transitive
     description:
-      name: path_provider_macos
-      url: "https://pub.dartlang.org"
+      name: path_provider_foundation
+      sha256: "4843174df4d288f5e29185bd6e72a6fbdf5a4a4602717eed565497429f179942"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
+      url: "https://pub.dev"
     source: hosted
-    version: "0.0.4+6"
+    version: "2.2.1"
   path_provider_platform_interface:
     dependency: transitive
     description:
       name: path_provider_platform_interface
-      url: "https://pub.dartlang.org"
+      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.4"
+    version: "2.1.2"
   path_provider_windows:
     dependency: transitive
     description:
       name: path_provider_windows
-      url: "https://pub.dartlang.org"
+      sha256: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
+      url: "https://pub.dev"
     source: hosted
-    version: "0.0.4+3"
-  pedantic:
-    dependency: transitive
-    description:
-      name: pedantic
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.9.2"
+    version: "2.3.0"
   platform:
     dependency: transitive
     description:
       name: platform
-      url: "https://pub.dartlang.org"
+      sha256: "5d6b1b0036a5f331ebc77c850ebc8506cbc1e9416c27e59b439f917a902a4984"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.2.1"
+    version: "3.1.6"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
-      url: "https://pub.dartlang.org"
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.3"
-  process:
-    dependency: transitive
-    description:
-      name: process
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "3.0.13"
+    version: "2.1.8"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
-    version: "0.0.99"
+    version: "0.0.0"
   source_span:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.1"
+    version: "1.10.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: "9f47fd3630d76be3ab26f0ee06d213679aa425996925ff3feffdec504931c377"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.12.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "688af5ed3402a4bde5b3a6c15fd768dbf2621a614950b17f04626c431ab3c4c3"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.3.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: "664d3a9a64782fcdeb83ce9c6b39e78fd2971d4e37827b9b06c3aa1edc5e760c"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.4.8"
+    version: "0.7.3"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.dartlang.org"
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.4.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.4"
   video_thumbnail:
     dependency: "direct dev"
     description:
       path: ".."
       relative: true
     source: path
-    version: "0.5.1"
-  win32:
+    version: "0.5.3"
+  vm_service:
     dependency: transitive
     description:
-      name: win32
-      url: "https://pub.dartlang.org"
+      name: vm_service
+      sha256: f6be3ed8bd01289b34d679c2b62226f63c0e69f9fd2e50a6b3c1c729a961041b
+      url: "https://pub.dev"
     source: hosted
-    version: "1.7.4"
+    version: "14.3.0"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: cd3543bd5798f6ad290ea73d210f423502e71900302dde696f8bff84bf89a1cb
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
   xdg_directories:
     dependency: transitive
     description:
       name: xdg_directories
-      url: "https://pub.dartlang.org"
+      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.1.2"
+    version: "1.1.0"
 sdks:
-  dart: ">=2.14.0 <3.0.0"
-  flutter: ">=1.12.13+hotfix.5"
+  dart: ">=3.5.0 <4.0.0"
+  flutter: ">=3.24.0"
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 2805862..1f9363b 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -1,10 +1,10 @@
 name: video_thumbnail_example
 description: Demonstrates how to use the video_thumbnail plugin.
 version: 0.1.7
-publish_to: 'none'
+publish_to: "none"
 
 environment:
-  sdk: ">=2.5.2 <3.0.0"
+  sdk: ">=2.16.0 <3.0.0"
 
 dependencies:
   flutter:
@@ -14,8 +14,8 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
 
-  image_picker: '>=0.6.2 <2.0.0'
-  path_provider: ^1.6.0
+  image_picker: ">=0.6.2 <2.0.0"
+  path_provider: ^2.1.1
   video_thumbnail:
     path: ../
 
@@ -24,7 +24,6 @@ dev_dependencies:
 
 # The following section is specific to Flutter.
 flutter:
-
   # The following line ensures that the Material Icons font is
   # included with your application, so that you can use the icons in
   # the material Icons class.
diff --git a/lib/video_thumbnail.dart b/lib/video_thumbnail.dart
index 78eb749..d6a9573 100644
--- a/lib/video_thumbnail.dart
+++ b/lib/video_thumbnail.dart
@@ -7,7 +7,6 @@
 ///  * [video_thumbnail](https://pub.dev/packages/video_thumbnail)
 ///
 import 'dart:async';
-import 'dart:typed_data';
 
 import 'package:flutter/services.dart';
 
diff --git a/pubspec.lock b/pubspec.lock
index 45b93c4..461388f 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,51 +5,50 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.5.0"
+    version: "2.11.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: a1ace0a119f20aabc852d165077c036cd864315bd99b7eaa10a60100341941bf
+      url: "https://pub.dev"
     source: hosted
-    version: "1.15.0"
+    version: "1.19.0"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -60,88 +59,131 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  leak_tracker:
+    dependency: transitive
+    description:
+      name: leak_tracker
+      sha256: "7bb2830ebd849694d1ec25bf1f44582d6ac531a57a365a803a6034ff751d2d06"
+      url: "https://pub.dev"
+    source: hosted
+    version: "10.0.7"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: "9491a714cca3667b60b5c420da8217e6de0d1ba7a5ec322fab01758f6998f379"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.8"
+  leak_tracker_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_testing
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.16+1"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.11.1"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: bdb68674043280c3428e9ec998512fb681678676b3c54e773629ffe74419f8c7
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.15.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.9.0"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
-    version: "0.0.99"
+    version: "0.0.0"
   source_span:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.10.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: "9f47fd3630d76be3ab26f0ee06d213679aa425996925ff3feffdec504931c377"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.12.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "688af5ed3402a4bde5b3a6c15fd768dbf2621a614950b17f04626c431ab3c4c3"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.3.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: "664d3a9a64782fcdeb83ce9c6b39e78fd2971d4e37827b9b06c3aa1edc5e760c"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.2.19"
-  typed_data:
+    version: "0.7.3"
+  vector_math:
     dependency: transitive
     description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
+      name: vector_math
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
-  vector_math:
+    version: "2.1.4"
+  vm_service:
     dependency: transitive
     description:
-      name: vector_math
-      url: "https://pub.dartlang.org"
+      name: vm_service
+      sha256: f6be3ed8bd01289b34d679c2b62226f63c0e69f9fd2e50a6b3c1c729a961041b
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "14.3.0"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
-  flutter: ">=1.10.0"
+  dart: ">=3.4.0 <4.0.0"
+  flutter: ">=3.18.0-18.0.pre.54"
diff --git a/pubspec.yaml b/pubspec.yaml
index 56b2eaa..e017580 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,14 +1,13 @@
 name: video_thumbnail
 description: A flutter plugin for creating a thumbnail from a local video file or from a video URL.
 version: 0.5.3
-# author: John Zhong <john138@gmail.com>, Tairs Rzajevs <tairs.rzayevs@chi.lv>, Grigori <jlavyan@gmail.com>, Hafeez Ahmed <hahmed@fusionsd.com.au>, Leynier <leynier41@gmail.com>, Andreas Petrov, julek-kal, Nils Reichardt, Ajb Coder 
+# author: John Zhong <john138@gmail.com>, Tairs Rzajevs <tairs.rzayevs@chi.lv>, Grigori <jlavyan@gmail.com>, Hafeez Ahmed <hahmed@fusionsd.com.au>, Leynier <leynier41@gmail.com>, Andreas Petrov, julek-kal, Nils Reichardt, Ajb Coder
 homepage: https://github.com/justsoft
 repository: https://github.com/justsoft/video_thumbnail
 issue_tracker: https://github.com/justsoft/video_thumbnail/issues
 
 environment:
-  sdk: '>=2.16.0 <3.0.0'
-  flutter: ">=1.10.0"
+  sdk: ">=2.16.0 <3.0.0"
 
 dependencies:
   flutter:
diff --git a/test/video_thumbnail_test.dart b/test/video_thumbnail_test.dart
index 86dd3b6..6951939 100644
--- a/test/video_thumbnail_test.dart
+++ b/test/video_thumbnail_test.dart
@@ -6,7 +6,8 @@ void main() {
   const MethodChannel channel = MethodChannel('video_thumbnail');
 
   setUp(() {
-    channel.setMockMethodCallHandler((MethodCall methodCall) async {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(channel, (MethodCall methodCall) async {
       final m = methodCall.method;
       final a = methodCall.arguments;
 
@@ -15,7 +16,8 @@ void main() {
   });
 
   tearDown(() {
-    channel.setMockMethodCallHandler(null);
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(channel, null);
   });
 
   test('thumbnailData', () async {