diff --git a/android/build.gradle b/android/build.gradle
index 3eeb6e6..37bae78 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -8,7 +8,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        classpath 'com.android.tools.build:gradle:3.5.0'
     }
 }
 
@@ -26,7 +26,7 @@ android {
 
     defaultConfig {
         minSdkVersion 16
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
     lintOptions {
         disable 'InvalidPackage'
diff --git a/example/.flutter-plugins-dependencies b/example/.flutter-plugins-dependencies
new file mode 100644
index 0000000..0042c55
--- /dev/null
+++ b/example/.flutter-plugins-dependencies
@@ -0,0 +1 @@
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"flutter_user_agent","path":"E:\\\\open_source_github\\\\flutter_user_agent\\\\","dependencies":[]}],"android":[{"name":"flutter_user_agent","path":"E:\\\\open_source_github\\\\flutter_user_agent\\\\","dependencies":[]}],"macos":[],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"flutter_user_agent","dependencies":[]}],"date_created":"2020-10-09 23:20:00.454401","version":"1.17.5"}
\ No newline at end of file
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index de25139..166a8ee 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 29
 
     lintOptions {
         disable 'InvalidPackage'
@@ -35,10 +35,10 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "io.jojodev.flutter.flutteruseragentexample"
         minSdkVersion 16
-        targetSdkVersion 27
+        targetSdkVersion 29
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
 
     buildTypes {
@@ -56,6 +56,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
 }
diff --git a/example/android/gradle.properties b/example/android/gradle.properties
index 8bd86f6..53ae0ae 100644
--- a/example/android/gradle.properties
+++ b/example/android/gradle.properties
@@ -1 +1,3 @@
+android.enableJetifier=true
+android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1536M
diff --git a/example/ios/Flutter/flutter_export_environment.sh b/example/ios/Flutter/flutter_export_environment.sh
new file mode 100644
index 0000000..4c44a7b
--- /dev/null
+++ b/example/ios/Flutter/flutter_export_environment.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+# This is a generated file; do not edit or check into version control.
+export "FLUTTER_ROOT=E:\flutter_sdk\flutter_windows_1.17.5-stable\flutter"
+export "FLUTTER_APPLICATION_PATH=E:\open_source_github\flutter_user_agent\example"
+export "FLUTTER_TARGET=lib\main.dart"
+export "FLUTTER_BUILD_DIR=build"
+export "SYMROOT=${SOURCE_ROOT}/../build\ios"
+export "OTHER_LDFLAGS=$(inherited) -framework Flutter"
+export "FLUTTER_FRAMEWORK_DIR=E:\flutter_sdk\flutter_windows_1.17.5-stable\flutter\bin\cache\artifacts\engine\ios"
+export "FLUTTER_BUILD_NAME=1.0.0"
+export "FLUTTER_BUILD_NUMBER=1"