diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index 0ca95a4..cc6c9b7 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -1,8 +1,3 @@
-plugins {
-    id "com.android.application"
-    id "kotlin-android"
-    id "dev.flutter.flutter-gradle-plugin"
-}
 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
@@ -10,6 +5,12 @@ if (localPropertiesFile.exists()) {
         localProperties.load(reader)
     }
 }
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
 if (flutterVersionCode == null) {
     flutterVersionCode = '1'
@@ -20,12 +21,12 @@ if (flutterVersionName == null) {
     flutterVersionName = '1.0'
 }
 
-// apply plugin: 'com.android.application'
-// apply plugin: 'kotlin-android'
-// apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion flutter.compileSdkVersion
+    compileSdkVersion 31
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -38,7 +39,7 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.example.super_tooltip_example"
-        minSdkVersion flutter.minSdkVersion
+        minSdkVersion 16
         targetSdkVersion 28
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
@@ -58,5 +59,5 @@ flutter {
 }
 
 dependencies {
-    // implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-}
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}
\ No newline at end of file
diff --git a/example/android/build.gradle b/example/android/build.gradle
index 81fbb1b..50ed103 100644
--- a/example/android/build.gradle
+++ b/example/android/build.gradle
@@ -1,3 +1,15 @@
+buildscript {
+    ext.kotlin_version = '1.6.10'
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
 
 allprojects {
     repositories {
@@ -16,4 +28,4 @@ subprojects {
 
 tasks.register("clean", Delete) {
     delete rootProject.buildDir
-}
+}
\ No newline at end of file
diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties
index 609ab8e..60c76b3 100644
--- a/example/android/gradle/wrapper/gradle-wrapper.properties
+++ b/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
+zipStorePath=wrapper/dists
\ No newline at end of file
diff --git a/example/android/settings.gradle b/example/android/settings.gradle
index 9df6086..e112e1b 100644
--- a/example/android/settings.gradle
+++ b/example/android/settings.gradle
@@ -1,36 +1,11 @@
-
-
-pluginManagement {
-    def flutterSdkPath = {
-        def properties = new Properties()
-        file("local.properties").withInputStream { properties.load(it) }
-        def flutterSdkPath = properties.getProperty("flutter.sdk")
-        assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
-        return flutterSdkPath
-    }()
-
-    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
-
-    repositories {
-        google()
-        mavenCentral()
-        gradlePluginPortal()
-    }
-}
-
-plugins {
-    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "7.3.0" apply false
-    id "org.jetbrains.kotlin.android" version "1.7.10" apply false
-}
 include ':app'
 
-// def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
-// def properties = new Properties()
+def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
+def properties = new Properties()
 
-// assert localPropertiesFile.exists()
-// localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
+assert localPropertiesFile.exists()
+localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
 
-// def flutterSdkPath = properties.getProperty("flutter.sdk")
-// assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
-// apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
+def flutterSdkPath = properties.getProperty("flutter.sdk")
+assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
+apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
\ No newline at end of file
diff --git a/lib/src/super_tooltip.dart b/lib/src/super_tooltip.dart
index 37b870c..c24770a 100644
--- a/lib/src/super_tooltip.dart
+++ b/lib/src/super_tooltip.dart
@@ -195,10 +195,8 @@ class SuperTooltip extends StatefulWidget {
   /// A custom decoration for the tooltip.
   ///
   /// If not provided, the default decoration will be used.
-  final Decoration? decoration;
-  
   final DecorationBuilder? decorationBuilder;
-  
+
   /// The elevation of the tooltip.
   ///
   /// Defaults to `0.0`.
@@ -228,7 +226,7 @@ class SuperTooltip extends StatefulWidget {
   ///
   /// Defaults to `2.0`.
   final double arrowTipRadius;
-  
+
   final double arrowTipDistance;
 
   /// The border radius of the tooltip.