diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Background.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Background.java
index f8244ccb5e..aed53fd885 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Background.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Background.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on method that must be run in a background thread.
@@ -171,6 +174,7 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.METHOD)
+@KotlinOpen
 public @interface Background {
 	/**
 	 * Identifier for task cancellation.
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EActivity.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EActivity.java
index 4805836d8c..bf8ba37094 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EActivity.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EActivity.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on {@link android.app.Activity} classes to enable usage of
@@ -86,6 +89,7 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.TYPE)
+@KotlinOpen
 public @interface EActivity {
 
 	/**
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EApplication.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EApplication.java
index 3ac3ee43a0..3ca9850a1e 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EApplication.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EApplication.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on {@link android.app.Application} classes to enable usage of
@@ -74,5 +77,6 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.TYPE)
+@KotlinOpen
 public @interface EApplication {
 }
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EBean.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EBean.java
index 895ed8424d..0853d75520 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EBean.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EBean.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on custom classes to enable usage of AndroidAnnotations.
@@ -94,6 +97,7 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.TYPE)
+@KotlinOpen
 public @interface EBean {
 
 	/**
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EFragment.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EFragment.java
index cc4363ea92..e759a6266c 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EFragment.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EFragment.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on android.app.Fragment or android.support.v4.app.Fragment
@@ -106,6 +109,7 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.TYPE)
+@KotlinOpen
 public @interface EFragment {
 
 	/**
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EIntentService.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EIntentService.java
index 1ddb1c0929..5f694e0e9f 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EIntentService.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EIntentService.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on {@link android.app.IntentService} classes to enable usage
@@ -80,5 +83,6 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.TYPE)
+@KotlinOpen
 public @interface EIntentService {
 }
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EProvider.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EProvider.java
index 8f6097fe2c..5f60b0fd3a 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EProvider.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EProvider.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on {@link android.content.ContentProvider} classes to enable
@@ -50,5 +53,6 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.TYPE)
+@KotlinOpen
 public @interface EProvider {
 }
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EReceiver.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EReceiver.java
index 1b5b2fe514..e2d9d67ec6 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EReceiver.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EReceiver.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on {@link android.content.BroadcastReceiver} classes to enable
@@ -50,5 +53,6 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.TYPE)
+@KotlinOpen
 public @interface EReceiver {
 }
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EService.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EService.java
index a41f0d6371..22516062ef 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EService.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EService.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on {@link android.app.Service} classes to enable usage of
@@ -72,5 +75,6 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.TYPE)
+@KotlinOpen
 public @interface EService {
 }
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EView.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EView.java
index 384d76f56a..970e63295e 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EView.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EView.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on {@link android.view.View View} classes to enable usage of
@@ -67,5 +70,6 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.TYPE)
+@KotlinOpen
 public @interface EView {
 }
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EViewGroup.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EViewGroup.java
index 86b2bbb958..2f1a6e8fea 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EViewGroup.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/EViewGroup.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on {@link android.view.View} classes to enable usage of
@@ -74,6 +77,7 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.TYPE)
+@KotlinOpen
 public @interface EViewGroup {
 
 	/**
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/IgnoreWhen.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/IgnoreWhen.java
index 61eb48c703..6b7f2a0e3d 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/IgnoreWhen.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/IgnoreWhen.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * When used standalone in an {@link EFragment} or in conjunction with the
@@ -71,6 +74,7 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.METHOD)
+@KotlinOpen
 public @interface IgnoreWhen {
 
 	/**
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/SupposeBackground.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/SupposeBackground.java
index c7e514d2cc..6b77b80ac5 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/SupposeBackground.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/SupposeBackground.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Ensures that the method is called from the background thread with
@@ -57,6 +60,7 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.METHOD)
+@KotlinOpen
 public @interface SupposeBackground {
 
 	/**
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/SupposeUiThread.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/SupposeUiThread.java
index d47b178017..11e5fcf024 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/SupposeUiThread.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/SupposeUiThread.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * Ensures that method is called from the UI thread. If it is not, then
  * {@link IllegalStateException} will be thrown (by default).
@@ -46,5 +49,6 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.METHOD)
+@KotlinOpen
 public @interface SupposeUiThread {
 }
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Trace.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Trace.java
index 65f922ecf3..9df09a8840 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Trace.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Trace.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 import android.util.Log;
 
 /**
@@ -70,6 +73,7 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.METHOD)
+@KotlinOpen
 public @interface Trace {
 
 	/**
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Transactional.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Transactional.java
index 34505f6fa5..8d650dab81 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Transactional.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/Transactional.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * This annotation is intended to be used on methods to run it into a database
@@ -57,5 +60,6 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.METHOD)
+@KotlinOpen
 public @interface Transactional {
 }
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/UiThread.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/UiThread.java
index df4b55cde7..7555a2f09e 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/UiThread.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/UiThread.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Should be used on method that must be run in the Ui thread
@@ -123,6 +126,7 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.METHOD)
+@KotlinOpen
 public @interface UiThread {
 
 	/**
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/WakeLock.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/WakeLock.java
index 0b4fff8b43..4eb363e809 100644
--- a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/WakeLock.java
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/annotations/WakeLock.java
@@ -1,5 +1,6 @@
 /**
  * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
@@ -20,6 +21,8 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+import org.androidannotations.api.KotlinOpen;
+
 /**
  * <p>
  * Acquires a {@link android.os.PowerManager.WakeLock} for this method call.
@@ -50,6 +53,7 @@
  */
 @Retention(RetentionPolicy.CLASS)
 @Target(ElementType.METHOD)
+@KotlinOpen
 public @interface WakeLock {
 
 	/**
diff --git a/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/api/KotlinOpen.java b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/api/KotlinOpen.java
new file mode 100644
index 0000000000..f4af16a8be
--- /dev/null
+++ b/AndroidAnnotations/androidannotations-core/androidannotations-api/src/main/java/org/androidannotations/api/KotlinOpen.java
@@ -0,0 +1,31 @@
+/**
+ * Copyright (C) 2016-2017 the AndroidAnnotations project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed To in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.androidannotations.api;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Utility annotation to easily support kotlin-allopen plugin
+ *
+ * @see "https://github.com/androidannotations/androidannotations/wiki/Kotlin"
+ */
+@Retention(RetentionPolicy.CLASS)
+@Target(ElementType.TYPE)
+public @interface KotlinOpen {
+}
diff --git a/examples/kotlin/build.gradle b/examples/kotlin/build.gradle
index 3a26b9971f..2ef1efaf8d 100644
--- a/examples/kotlin/build.gradle
+++ b/examples/kotlin/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = "1.1.3-2"
+    ext.kotlin_version = "1.1.51"
 
     repositories {
         jcenter()
@@ -8,6 +8,7 @@ buildscript {
         // replace with the current version of the Android plugin
         classpath "com.android.tools.build:gradle:2.3.0"
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-allopen:$kotlin_version"
     }
 }
 
@@ -18,6 +19,7 @@ repositories {
 
 apply plugin: "com.android.application"
 apply plugin: "kotlin-android"
+apply plugin: "kotlin-allopen"
 apply plugin: "kotlin-kapt"
 
 android {
@@ -33,6 +35,10 @@ android {
     }
 }
 
+allOpen {
+    annotation("org.androidannotations.api.KotlinOpen")
+}
+
 // If you have different applicationIds for buildTypes or productFlavors uncomment this block.
 //kapt {
 //    arguments {
@@ -45,5 +51,5 @@ def AAVersion = "4.4.0-SNAPSHOT" // change this to your desired version, for exa
 dependencies {
     kapt "org.androidannotations:androidannotations:$AAVersion"
     compile "org.androidannotations:androidannotations-api:$AAVersion"
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
 }
diff --git a/examples/kotlin/src/main/kotlin/org/androidannotations/gradle/activity/HelloAndroidActivity.kt b/examples/kotlin/src/main/kotlin/org/androidannotations/gradle/activity/HelloAndroidActivity.kt
index a2efdbaceb..3ba9fa9965 100644
--- a/examples/kotlin/src/main/kotlin/org/androidannotations/gradle/activity/HelloAndroidActivity.kt
+++ b/examples/kotlin/src/main/kotlin/org/androidannotations/gradle/activity/HelloAndroidActivity.kt
@@ -4,6 +4,7 @@ import android.app.Activity
 import android.widget.TextView
 import org.androidannotations.annotations.AfterViews
 import org.androidannotations.annotations.EActivity
+import org.androidannotations.annotations.EBean
 import org.androidannotations.annotations.Extra
 import org.androidannotations.annotations.UiThread
 import org.androidannotations.annotations.Background
@@ -43,3 +44,19 @@ open class HelloAndroidActivity : Activity() {
         helloTextView.text = helloMessage
     }
 }
+
+/**
+ * As of Kotlin 1.0.6+ and AndroidAnnotations 4.4.0, you can use the kotlin-allopen plugin
+ * to remove the need to explicitly declare enhanced classes or methods as <code>open</code>.
+ *
+ * See the build.gradle file or [our wiki](https://github.com/androidannotations/androidannotations/wiki/Kotlin)
+ * for details on how to use the plugin.
+ */
+@EBean
+public class EnhancedBean {
+
+    @Background
+    protected fun computeDateBackground() {
+        // do stuff ;)
+    }
+}
\ No newline at end of file