diff --git a/.github/workflows/dart.yml b/.github/workflows/dart.yml
index 4286154..194df22 100644
--- a/.github/workflows/dart.yml
+++ b/.github/workflows/dart.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - uses: subosito/flutter-action@v2
 
       - name: Install Dependencies
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2d60f0..856cff1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## 1.4.0
+### General
+* Bumped `permission_handler` to `12.0.1`.
+* Updated the example app to use Kotlin `2.2.21`, Android Gradle Plugin `8.13.1`, and Gradle `8.13`.
+* Added detailed documentation comments to the `CunningDocumentScanner` class.
+### Android
+* Upgraded `play-services-mlkit-document-scanner` to `16.0.0`.
+* Updated `compileSdk` to `34`.
+
 ## 1.3.1
 * Upgraded dependencies.
 
diff --git a/android/build.gradle b/android/build.gradle
index 3a5faee..34d2137 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -27,7 +27,7 @@ apply plugin: 'kotlin-android'
 android {
     namespace 'biz.cunning.cunning_document_scanner'
 
-    compileSdk 33
+    compileSdk 34
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -49,5 +49,5 @@ android {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'com.google.android.gms:play-services-mlkit-document-scanner:16.0.0-beta1'
+    implementation 'com.google.android.gms:play-services-mlkit-document-scanner:16.0.0'
 }
diff --git a/example/.gitignore b/example/.gitignore
index 0fa6b67..acc017d 100644
--- a/example/.gitignore
+++ b/example/.gitignore
@@ -8,6 +8,7 @@
 .buildlog/
 .history
 .svn/
+.cxx/
 
 # IntelliJ related
 *.iml
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index c6d20f8..1cd47fc 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -24,7 +24,7 @@ if (flutterVersionName == null) {
 
 android {
     namespace "biz.cunning.cunning_document_scanner_example"
-    compileSdk 35
+    compileSdk 36
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -42,7 +42,7 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "biz.cunning.cunning_document_scanner_example"
-        minSdkVersion 21
+        minSdkVersion flutter.minSdkVersion
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
@@ -63,12 +63,12 @@ flutter {
 
 dependencies {}
 
-configurations.all {
+configurations.configureEach {
     resolutionStrategy {
         eachDependency {
             if ((requested.group == "org.jetbrains.kotlin") && (requested.name.startsWith("kotlin-stdlib"))) {
-                useVersion("1.8.22")
+                useVersion("2.2.21")
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml
index 990dabd..fab30aa 100644
--- a/example/android/app/src/main/AndroidManifest.xml
+++ b/example/android/app/src/main/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="biz.cunning.cunning_document_scanner_example">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <application
         android:label="cunning_document_scanner_example"
         android:name="${applicationName}"
diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties
index 5e6b542..02767eb 100644
--- a/example/android/gradle/wrapper/gradle-wrapper.properties
+++ b/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-all.zip
diff --git a/example/android/settings.gradle b/example/android/settings.gradle
index b15557d..07e72cb 100644
--- a/example/android/settings.gradle
+++ b/example/android/settings.gradle
@@ -19,8 +19,8 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "8.3.0" apply false
-    id "org.jetbrains.kotlin.android" version "1.8.22" apply false
+    id "com.android.application" version '8.13.1' apply false
+    id "org.jetbrains.kotlin.android" version "2.2.21" apply false
 }
 
 include ":app"
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 4b22a93..2b99f67 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -47,7 +47,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.3.0"
+    version: "1.3.1"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -99,26 +99,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "6bb818ecbdffe216e81182c2f0714a2e62b593f4a4f13098713ff1685dfb6ab0"
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.9"
+    version: "11.0.2"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
+      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.9"
+    version: "3.0.10"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
+      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
   lints:
     dependency: transitive
     description:
@@ -147,10 +147,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
+      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
       url: "https://pub.dev"
     source: hosted
-    version: "1.16.0"
+    version: "1.17.0"
   path:
     dependency: transitive
     description:
@@ -171,18 +171,18 @@ packages:
     dependency: transitive
     description:
       name: path_provider_android
-      sha256: d0d310befe2c8ab9e7f393288ccbb11b60c019c6b5afc21973eeee4dda2b35e9
+      sha256: f2c65e21139ce2c3dad46922be8272bb5963516045659e71bb16e151c93b580e
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.17"
+    version: "2.2.22"
   path_provider_foundation:
     dependency: transitive
     description:
       name: path_provider_foundation
-      sha256: "4843174df4d288f5e29185bd6e72a6fbdf5a4a4602717eed565497429f179942"
+      sha256: "6d13aece7b3f5c5a9731eaf553ff9dcbc2eff41087fd2df587fd0fed9a3eb0c4"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.1"
+    version: "2.5.1"
   path_provider_linux:
     dependency: transitive
     description:
@@ -320,26 +320,26 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
+      sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.4"
+    version: "0.7.7"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.4"
+    version: "2.2.0"
   vm_service:
     dependency: transitive
     description:
       name: vm_service
-      sha256: ddfa8d30d89985b96407efce8acbdd124701f96741f2d981ca860662f1c0dc02
+      sha256: "45caa6c5917fa127b5dbcfbd1fa60b14e583afdc08bfc96dda38886ca252eb60"
       url: "https://pub.dev"
     source: hosted
-    version: "15.0.0"
+    version: "15.0.2"
   web:
     dependency: transitive
     description:
@@ -357,5 +357,5 @@ packages:
     source: hosted
     version: "1.1.0"
 sdks:
-  dart: ">=3.7.0 <4.0.0"
-  flutter: ">=3.27.0"
+  dart: ">=3.9.0 <4.0.0"
+  flutter: ">=3.35.0"
diff --git a/lib/cunning_document_scanner.dart b/lib/cunning_document_scanner.dart
index 39c8348..107d7f8 100644
--- a/lib/cunning_document_scanner.dart
+++ b/lib/cunning_document_scanner.dart
@@ -7,11 +7,21 @@ import 'ios_options.dart';
 
 export 'ios_options.dart';
 
+/// A class that provides a simple way to scan documents.
 class CunningDocumentScanner {
+  /// The method channel used to interact with the native platform.
   static const MethodChannel _channel =
       MethodChannel('cunning_document_scanner');
 
-  /// Call this to start get Picture workflow.
+  /// Starts the document scanning process.
+  ///
+  /// This method will open the camera and allow the user to scan documents.
+  ///
+  /// [noOfPages] is the maximum number of pages that can be scanned.
+  /// [isGalleryImportAllowed] is a flag that allows the user to import images from the gallery.
+  /// [iosScannerOptions] is a set of options for the iOS scanner.
+  ///
+  /// Returns a list of paths to the scanned images, or null if the user cancels the operation.
   static Future<List<String>?> getPictures({
     int noOfPages = 100,
     bool isGalleryImportAllowed = false,
diff --git a/pubspec.yaml b/pubspec.yaml
index ba0145e..60081dd 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: cunning_document_scanner
 description: A document scanner plugin for flutter. Scan and crop automatically on iOS and Android.
-version: 1.3.1
+version: 1.4.0
 homepage: https://cunning.biz
 repository: https://github.com/jachzen/cunning_document_scanner
 
@@ -11,7 +11,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  permission_handler: ^12.0.0+1
+  permission_handler: ^12.0.1
   permission_handler_platform_interface: ^4.3.0
   plugin_platform_interface: ^2.1.8