diff --git a/android/build.gradle b/android/build.gradle
index 38fed68..7c206cd 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.android.library'
 
 android {
     compileSdkVersion 29
-
+    namespace 'com.chavesgu.scan'
     defaultConfig {
         minSdkVersion 19
         consumerProguardFiles 'consumer-proguard-rules.pro'
diff --git a/android/src/main/java/com/chavesgu/scan/ScanPlugin.java b/android/src/main/java/com/chavesgu/scan/ScanPlugin.java
index 2baa37e..92844cd 100644
--- a/android/src/main/java/com/chavesgu/scan/ScanPlugin.java
+++ b/android/src/main/java/com/chavesgu/scan/ScanPlugin.java
@@ -35,7 +35,6 @@
 import io.flutter.plugin.common.MethodChannel;
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
 import io.flutter.plugin.common.MethodChannel.Result;
-import io.flutter.plugin.common.PluginRegistry.Registrar;
 
 import static android.content.Context.VIBRATOR_SERVICE;
 
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 701993a..82da111 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -5,51 +5,50 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.flutter-io.cn"
+      sha256: d2872f9c19731c2e5f10444b14686eb7cc85c76274bd6c16e1816bff9a3bab63
+      url: "https://pub.dev"
     source: hosted
-    version: "2.8.2"
+    version: "2.12.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.flutter-io.cn"
+      sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.flutter-io.cn"
+      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.3.1"
+    version: "1.4.0"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.flutter-io.cn"
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.2"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.flutter-io.cn"
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.15.0"
+    version: "1.19.1"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.flutter-io.cn"
+      sha256: "6a95e56b2449df2273fd8c45a662d6947ce1ebb7aafe80e550a3f68297f3cacc"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -64,98 +63,142 @@ packages:
     dependency: "direct main"
     description:
       name: images_picker
-      url: "https://pub.flutter-io.cn"
+      sha256: cc99347a6fa93228bf92f15ce36e4474256e4af0e6c0e1f0e7e9f047adbccd5b
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.11"
+  leak_tracker:
+    dependency: transitive
+    description:
+      name: leak_tracker
+      sha256: c35baad643ba394b40aac41080300150a4f08fd0fd6a10378f8f7c6bc161acec
+      url: "https://pub.dev"
+    source: hosted
+    version: "10.0.8"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.9"
+  leak_tracker_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_testing
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.5"
+    version: "3.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.flutter-io.cn"
+      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.17"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.11"
+    version: "0.11.1"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.flutter-io.cn"
+      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
+      url: "https://pub.dev"
     source: hosted
-    version: "1.7.0"
+    version: "1.16.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.flutter-io.cn"
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.9.1"
   scan:
     dependency: "direct main"
     description:
       path: ".."
       relative: true
     source: path
-    version: "1.5.0"
+    version: "1.6.0"
   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.flutter-io.cn"
+      sha256: "254ee5351d6cb365c859e20ee823c3bb479bf4a293c22d17a9f1bf144ce86f7c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.1"
+    version: "1.10.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.flutter-io.cn"
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.12.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.flutter-io.cn"
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.4"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.flutter-io.cn"
+      sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.4.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.flutter-io.cn"
+      sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.2"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.flutter-io.cn"
+      sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
+      url: "https://pub.dev"
     source: hosted
-    version: "0.4.3"
-  typed_data:
+    version: "0.7.4"
+  vector_math:
     dependency: transitive
     description:
-      name: typed_data
-      url: "https://pub.flutter-io.cn"
+      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.flutter-io.cn"
+      name: vm_service
+      sha256: "0968250880a6c5fe7edc067ed0a13d4bae1577fe2771dcf3010d52c4a9d3ca14"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "14.3.1"
 sdks:
-  dart: ">=2.14.0 <3.0.0"
-  flutter: ">=1.12.13+hotfix.5"
+  dart: ">=3.7.0-0 <4.0.0"
+  flutter: ">=3.18.0-18.0.pre.54"
diff --git a/pubspec.lock b/pubspec.lock
index 78f8dce..a91a1d4 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,51 +5,50 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: d2872f9c19731c2e5f10444b14686eb7cc85c76274bd6c16e1816bff9a3bab63
+      url: "https://pub.dev"
     source: hosted
-    version: "2.5.0"
+    version: "2.12.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
+      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: "1.4.0"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.2"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.15.0"
+    version: "1.19.1"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      sha256: "6a95e56b2449df2273fd8c45a662d6947ce1ebb7aafe80e550a3f68297f3cacc"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.2"
   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: c35baad643ba394b40aac41080300150a4f08fd0fd6a10378f8f7c6bc161acec
+      url: "https://pub.dev"
+    source: hosted
+    version: "10.0.8"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.9"
+  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: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.17"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.10"
+    version: "0.11.1"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.16.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.9.1"
   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: "254ee5351d6cb365c859e20ee823c3bb479bf4a293c22d17a9f1bf144ce86f7c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.10.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.12.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.4"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.4.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.2"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
+      url: "https://pub.dev"
     source: hosted
-    version: "0.2.19"
-  typed_data:
+    version: "0.7.4"
+  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: "0968250880a6c5fe7edc067ed0a13d4bae1577fe2771dcf3010d52c4a9d3ca14"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "14.3.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
-  flutter: ">=1.12.13+hotfix.5"
+  dart: ">=3.7.0-0 <4.0.0"
+  flutter: ">=3.18.0-18.0.pre.54"