diff --git a/android/build.gradle b/android/build.gradle
index 97ae115..33939fe 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -10,8 +10,8 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
-        classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.1.2-4'
+        classpath 'com.android.tools.build:gradle:3.1.4'
+        classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.51'
     }
 }
 
@@ -28,7 +28,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
     buildToolsVersion '27.0.3'
 
     sourceSets {
@@ -36,7 +36,7 @@ android {
     }
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -47,7 +47,7 @@ android {
 }
 
 dependencies {
-    implementation 'org.jetbrains.kotlin:kotlin-stdlib-jre7:1.1.2-4'
+    implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.2.51'
     implementation 'me.dm7.barcodescanner:zxing:1.9.8'
     implementation 'com.android.support:design:27.1.1'
 }
diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
index 74c7113..e9675db 100644
--- a/android/src/main/AndroidManifest.xml
+++ b/android/src/main/AndroidManifest.xml
@@ -1,3 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="com.yourcompany.barcodescan">
+
+  <application>
+    <activity android:name="com.apptreesoftware.barcodescan.BarcodeScannerActivity" />
+  </application>
 </manifest>
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index 63ba516..614df20 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -16,8 +16,8 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion '25.0.3'
+    compileSdkVersion 28
+    buildToolsVersion "27.0.3"
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -31,7 +31,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.yourcompany.barcodescanexample"
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -51,5 +51,5 @@ flutter {
 }
 
 dependencies {
-    compile 'org.jetbrains.kotlin:kotlin-stdlib-jre7:1.1.2-4'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml
index 18844d5..0b51b35 100644
--- a/example/android/app/src/main/AndroidManifest.xml
+++ b/example/android/app/src/main/AndroidManifest.xml
@@ -35,6 +35,5 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
-        <activity android:name="com.apptreesoftware.barcodescan.BarcodeScannerActivity"/>
     </application>
 </manifest>
diff --git a/example/android/build.gradle b/example/android/build.gradle
index 16bdc53..c782bf4 100644
--- a/example/android/build.gradle
+++ b/example/android/build.gradle
@@ -1,22 +1,22 @@
 buildscript {
+    ext.kotlin_version = '1.2.41'
     repositories {
+        google()
         jcenter()
-        maven {
-            url "https://maven.google.com"
-        }
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
-        classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.1.2-4'
+        classpath 'com.android.tools.build:gradle:3.1.4'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
 allprojects {
     repositories {
+        google()
         jcenter()
         maven {
-            url "https://maven.google.com"
+            url "https://maven.google.com" // Google's Maven repository
         }
     }
 }
@@ -24,6 +24,8 @@ allprojects {
 rootProject.buildDir = '../build'
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
+}
+subprojects {
     project.evaluationDependsOn(':app')
 }
 
diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties
index 45e7f14..9372d0f 100644
--- a/example/android/gradle/wrapper/gradle-wrapper.properties
+++ b/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/example/ios/Flutter/Debug.xcconfig b/example/ios/Flutter/Debug.xcconfig
index 592ceee..e8efba1 100644
--- a/example/ios/Flutter/Debug.xcconfig
+++ b/example/ios/Flutter/Debug.xcconfig
@@ -1 +1,2 @@
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"
diff --git a/example/ios/Flutter/Release.xcconfig b/example/ios/Flutter/Release.xcconfig
index 592ceee..399e934 100644
--- a/example/ios/Flutter/Release.xcconfig
+++ b/example/ios/Flutter/Release.xcconfig
@@ -1 +1,2 @@
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"