diff --git a/screen_brightness/example/android/app/build.gradle b/screen_brightness/example/android/app/build.gradle
index 63cfe56..0abd8d0 100644
--- a/screen_brightness/example/android/app/build.gradle
+++ b/screen_brightness/example/android/app/build.gradle
@@ -26,7 +26,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 31
+    compileSdk 34
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -45,7 +45,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.aaassseee.screen_brightness_example"
         minSdkVersion flutter.minSdkVersion
-        targetSdkVersion 30
+        targetSdkVersion 34
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }
diff --git a/screen_brightness/example/android/app/src/main/AndroidManifest.xml b/screen_brightness/example/android/app/src/main/AndroidManifest.xml
index 1d5089e..b6d667f 100644
--- a/screen_brightness/example/android/app/src/main/AndroidManifest.xml
+++ b/screen_brightness/example/android/app/src/main/AndroidManifest.xml
@@ -9,7 +9,8 @@
       android:launchMode="singleTop"
       android:name=".MainActivity"
       android:theme="@style/LaunchTheme"
-      android:windowSoftInputMode="adjustResize">
+      android:windowSoftInputMode="adjustResize"
+      android:exported="true">
       <!-- Specifies an Android theme to apply to this Activity as soon as
            the Android process has started. This theme is visible to the user
            while the Flutter UI initializes. After that, this theme continues
diff --git a/screen_brightness/example/lib/main.dart b/screen_brightness/example/lib/main.dart
index 0951e08..583aea4 100644
--- a/screen_brightness/example/lib/main.dart
+++ b/screen_brightness/example/lib/main.dart
@@ -336,12 +336,14 @@ class SettingPage extends StatefulWidget {
 class _SettingPageState extends State<SettingPage> {
   bool isAutoReset = true;
   bool isAnimate = true;
+  bool canChangeSystemBrightness = true;
 
   @override
   void initState() {
     super.initState();
     getIsAutoResetSetting();
     getIsAnimateSetting();
+    getCanChangeSystemBrightness();
   }
 
   Future<void> getIsAutoResetSetting() async {
@@ -358,6 +360,14 @@ class _SettingPageState extends State<SettingPage> {
     });
   }
 
+  Future<void> getCanChangeSystemBrightness() async {
+    final canChangeSystemBrightness =
+        await ScreenBrightness.instance.canChangeSystemBrightness;
+    setState(() {
+      this.canChangeSystemBrightness = canChangeSystemBrightness;
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -385,7 +395,14 @@ class _SettingPageState extends State<SettingPage> {
                 await getIsAnimateSetting();
               },
             ),
-          )
+          ),
+          ListTile(
+            title: const Text('Can change system brightness'),
+            trailing: Switch(
+              value: canChangeSystemBrightness,
+              onChanged: (value) {},
+            ),
+          ),
         ],
       ),
     );
diff --git a/screen_brightness/example/pubspec.lock b/screen_brightness/example/pubspec.lock
index 59004a9..c4368c9 100644
--- a/screen_brightness/example/pubspec.lock
+++ b/screen_brightness/example/pubspec.lock
@@ -147,44 +147,39 @@ packages:
     source: path
     version: "2.0.1"
   screen_brightness_android:
-    dependency: transitive
+    dependency: "direct overridden"
     description:
-      name: screen_brightness_android
-      sha256: "74455f9901ab8a1a45c9097b83855dbbb7498110cc2bc249cb5a86570dd1cf7c"
-      url: "https://pub.dev"
-    source: hosted
+      path: "../../screen_brightness_android"
+      relative: true
+    source: path
     version: "2.0.0"
   screen_brightness_ios:
-    dependency: transitive
+    dependency: "direct overridden"
     description:
-      name: screen_brightness_ios
-      sha256: caee02b34e0089b138a7aee35c461bd2d7c78446dd417f07613def192598ca08
-      url: "https://pub.dev"
-    source: hosted
+      path: "../../screen_brightness_ios"
+      relative: true
+    source: path
     version: "2.0.0"
   screen_brightness_macos:
-    dependency: transitive
+    dependency: "direct overridden"
     description:
-      name: screen_brightness_macos
-      sha256: "84fc8ffcbcf19c03d76b7673b0f2c2a2663c09aa2bc37c76ea83ab049294a97a"
-      url: "https://pub.dev"
-    source: hosted
+      path: "../../screen_brightness_macos"
+      relative: true
+    source: path
     version: "2.0.0"
   screen_brightness_platform_interface:
-    dependency: transitive
+    dependency: "direct overridden"
     description:
-      name: screen_brightness_platform_interface
-      sha256: "321e9455b0057e3647fd37700931e063739d94a8aa1b094f98133c01cb56c27b"
-      url: "https://pub.dev"
-    source: hosted
+      path: "../../screen_brightness_platform_interface"
+      relative: true
+    source: path
     version: "2.0.0"
   screen_brightness_windows:
-    dependency: transitive
+    dependency: "direct overridden"
     description:
-      name: screen_brightness_windows
-      sha256: "5edbfb1dcaedf960f6858efac8ca45d6c18faae17df86e2c03137d3a563ea155"
-      url: "https://pub.dev"
-    source: hosted
+      path: "../../screen_brightness_windows"
+      relative: true
+    source: path
     version: "2.0.1"
   sky_engine:
     dependency: transitive
diff --git a/screen_brightness/example/pubspec.yaml b/screen_brightness/example/pubspec.yaml
index a4e49c6..d1bc689 100644
--- a/screen_brightness/example/pubspec.yaml
+++ b/screen_brightness/example/pubspec.yaml
@@ -19,17 +19,17 @@ dev_dependencies:
     sdk: flutter
   flutter_lints: ">=3.0.0 <4.0.0"
 
-#dependency_overrides:
-#  screen_brightness_platform_interface:
-#    path: ../../screen_brightness_platform_interface/
-#  screen_brightness_android:
-#    path: ../../screen_brightness_android
-#  screen_brightness_ios:
-#    path: ../../screen_brightness_ios
-#  screen_brightness_macos:
-#    path: ../../screen_brightness_macos
-#  screen_brightness_windows:
-#    path: ../../screen_brightness_windows
+dependency_overrides:
+  screen_brightness_platform_interface:
+    path: ../../screen_brightness_platform_interface/
+  screen_brightness_android:
+    path: ../../screen_brightness_android
+  screen_brightness_ios:
+    path: ../../screen_brightness_ios
+  screen_brightness_macos:
+    path: ../../screen_brightness_macos
+  screen_brightness_windows:
+    path: ../../screen_brightness_windows
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
diff --git a/screen_brightness_android/example/lib/main.dart b/screen_brightness_android/example/lib/main.dart
index 88078b0..f2a14cd 100644
--- a/screen_brightness_android/example/lib/main.dart
+++ b/screen_brightness_android/example/lib/main.dart
@@ -403,7 +403,7 @@ class _SettingPageState extends State<SettingPage> {
               value: canChangeSystemBrightness,
               onChanged: (value) {},
             ),
-          )
+          ),
         ],
       ),
     );
diff --git a/screen_brightness_ios/example/lib/main.dart b/screen_brightness_ios/example/lib/main.dart
index 88078b0..f2a14cd 100644
--- a/screen_brightness_ios/example/lib/main.dart
+++ b/screen_brightness_ios/example/lib/main.dart
@@ -403,7 +403,7 @@ class _SettingPageState extends State<SettingPage> {
               value: canChangeSystemBrightness,
               onChanged: (value) {},
             ),
-          )
+          ),
         ],
       ),
     );
diff --git a/screen_brightness_macos/example/lib/main.dart b/screen_brightness_macos/example/lib/main.dart
index 88078b0..f2a14cd 100644
--- a/screen_brightness_macos/example/lib/main.dart
+++ b/screen_brightness_macos/example/lib/main.dart
@@ -403,7 +403,7 @@ class _SettingPageState extends State<SettingPage> {
               value: canChangeSystemBrightness,
               onChanged: (value) {},
             ),
-          )
+          ),
         ],
       ),
     );
diff --git a/screen_brightness_windows/example/lib/main.dart b/screen_brightness_windows/example/lib/main.dart
index 88078b0..f2a14cd 100644
--- a/screen_brightness_windows/example/lib/main.dart
+++ b/screen_brightness_windows/example/lib/main.dart
@@ -403,7 +403,7 @@ class _SettingPageState extends State<SettingPage> {
               value: canChangeSystemBrightness,
               onChanged: (value) {},
             ),
-          )
+          ),
         ],
       ),
     );