diff --git a/modules/java/android_test/src/org/opencv/test/OpenCVTestRunner.java b/modules/java/android_test/src/org/opencv/test/OpenCVTestRunner.java
index 9425e2644..22f122928 100644
--- a/modules/java/android_test/src/org/opencv/test/OpenCVTestRunner.java
+++ b/modules/java/android_test/src/org/opencv/test/OpenCVTestRunner.java
@@ -82,7 +82,7 @@ public class OpenCVTestRunner extends InstrumentationTestRunner {
             // Using OpenCV Manager for initialization;
 
             Log("Internal OpenCV library not found. Using OpenCV Manager for initialization");
-            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, getContext(), mLoaderCallback);
+            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, getContext(), mLoaderCallback);
 
             synchronized (this) {
                 try {
diff --git a/modules/java/generator/src/java/android+OpenCVLoader.java b/modules/java/generator/src/java/android+OpenCVLoader.java
index 13cd42849..339ea2d9d 100644
--- a/modules/java/generator/src/java/android+OpenCVLoader.java
+++ b/modules/java/generator/src/java/android+OpenCVLoader.java
@@ -47,6 +47,22 @@ public class OpenCVLoader
      */
     public static final String OPENCV_VERSION_2_4_9 = "2.4.9";
 
+    /**
+     * OpenCV Library version 2.4.10.
+     */
+    public static final String OPENCV_VERSION_2_4_10 = "2.4.10";
+
+    /**
+     * OpenCV Library version 2.4.11.
+     */
+    public static final String OPENCV_VERSION_2_4_11 = "2.4.11";
+
+    /**
+     * OpenCV Library version 3.0.0.
+     */
+    public static final String OPENCV_VERSION_3_0_0 = "3.0.0";
+
+
     /**
      * Loads and initializes OpenCV library from current application package. Roughly, it's an analog of system.loadLibrary("opencv_java").
      * @return Returns true is initialization of OpenCV was successful.
diff --git a/platforms/android/README.android b/platforms/android/README.android
index dd870b28e..564fc3a0f 100644
--- a/platforms/android/README.android
+++ b/platforms/android/README.android
@@ -1 +1 @@
-See http://opencv.org/android
+See http://opencv.org/platforms/android.html
diff --git a/platforms/android/libinfo/CMakeLists.txt b/platforms/android/libinfo/CMakeLists.txt
index 55dd27859..eea43621d 100644
--- a/platforms/android/libinfo/CMakeLists.txt
+++ b/platforms/android/libinfo/CMakeLists.txt
@@ -23,6 +23,9 @@ if(NOT ANDROID_PACKAGE_PLATFORM)
   endif()
 endif()
 
+string(REPLACE "-fvisibility=hidden" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
+string(REPLACE "-fvisibility-inlines-hidden" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
+
 add_definitions(-DANDROID_PACKAGE_RELEASE=${ANDROID_PACKAGE_RELEASE} -DANDROID_PACKAGE_PLATFORM="${ANDROID_PACKAGE_PLATFORM}")
 
 include_directories(jni/BinderComponent jni/include "${OpenCV_SOURCE_DIR}/modules/core/include")
diff --git a/platforms/android/service/engine/CMakeLists.txt b/platforms/android/service/engine/CMakeLists.txt
index 61e6a5f9e..11490408b 100644
--- a/platforms/android/service/engine/CMakeLists.txt
+++ b/platforms/android/service/engine/CMakeLists.txt
@@ -48,7 +48,9 @@ endif()
 # -D__SUPPORT_ARMEABI_FEATURES key is also available
 add_definitions(-DPLATFORM_ANDROID -D__SUPPORT_ARMEABI_V7A_FEATURES -D__SUPPORT_TEGRA3 -D__SUPPORT_MIPS)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions")
-set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
+# set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
+string(REPLACE "-fvisibility=hidden" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+string(REPLACE "-fvisibility-inlines-hidden" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 
 include_directories("jni/BinderComponent" "jni/include")
 include_directories(SYSTEM "${ANDROID_SOURCE_TREE}/frameworks/base/include" "${ANDROID_SOURCE_TREE}/system/core/include")
diff --git a/platforms/android/service/engine/jni/BinderComponent/OpenCVEngine.cpp b/platforms/android/service/engine/jni/BinderComponent/OpenCVEngine.cpp
index 3103059d1..c83f80548 100644
--- a/platforms/android/service/engine/jni/BinderComponent/OpenCVEngine.cpp
+++ b/platforms/android/service/engine/jni/BinderComponent/OpenCVEngine.cpp
@@ -15,7 +15,7 @@ using namespace android;
 
 const int OpenCVEngine::Platform = DetectKnownPlatforms();
 const int OpenCVEngine::CpuID = GetCpuID();
-const int OpenCVEngine::KnownVersions[] = {2040000, 2040100, 2040200, 2040300, 2040301, 2040302, 2040400, 2040500, 2040600, 2040700, 2040701, 2040800, 2040900, 2041000, 2041100};
+const int OpenCVEngine::KnownVersions[] = {2040000, 2040100, 2040200, 2040300, 2040301, 2040302, 2040400, 2040500, 2040600, 2040700, 2040701, 2040800, 2040900, 2041000, 2041100, 3000000};
 
 bool OpenCVEngine::ValidateVersion(int version)
 {
diff --git a/platforms/android/service/engine/src/org/opencv/engine/manager/ManagerActivity.java b/platforms/android/service/engine/src/org/opencv/engine/manager/ManagerActivity.java
index d0fe6f0d7..b4e0be5a9 100644
--- a/platforms/android/service/engine/src/org/opencv/engine/manager/ManagerActivity.java
+++ b/platforms/android/service/engine/src/org/opencv/engine/manager/ManagerActivity.java
@@ -306,6 +306,9 @@ public class ManagerActivity extends Activity
                 path = EngineService.getLibPathByVersion("2.5");
                 Log.d(TAG, "2.5 -> " + path);
                 mActivePackageMap.put("25", path);
+                path = EngineService.getLibPathByVersion("3.0");
+                Log.d(TAG, "3.0 -> " + path);
+                mActivePackageMap.put("30", path);
             } catch (RemoteException e) {
                 // TODO Auto-generated catch block
                 e.printStackTrace();
diff --git a/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/Puzzle15Activity.java b/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/Puzzle15Activity.java
index b59da5975..71f59fa13 100644
--- a/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/Puzzle15Activity.java
+++ b/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/Puzzle15Activity.java
@@ -78,7 +78,7 @@ public class Puzzle15Activity extends Activity implements CvCameraViewListener,
         super.onResume();
         if (!OpenCVLoader.initDebug()) {
             Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
-            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
+            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
         } else {
             Log.d(TAG, "OpenCV library found inside package. Using it!");
             mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
diff --git a/samples/android/camera-calibration/src/org/opencv/samples/cameracalibration/CameraCalibrationActivity.java b/samples/android/camera-calibration/src/org/opencv/samples/cameracalibration/CameraCalibrationActivity.java
index 058497303..aa9050405 100644
--- a/samples/android/camera-calibration/src/org/opencv/samples/cameracalibration/CameraCalibrationActivity.java
+++ b/samples/android/camera-calibration/src/org/opencv/samples/cameracalibration/CameraCalibrationActivity.java
@@ -94,7 +94,7 @@ public class CameraCalibrationActivity extends Activity implements CvCameraViewL
         super.onResume();
         if (!OpenCVLoader.initDebug()) {
             Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
-            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mLoaderCallback);
+            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
         } else {
             Log.d(TAG, "OpenCV library found inside package. Using it!");
             mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
diff --git a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java
index 82f6a68ac..97d348c9d 100644
--- a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java
+++ b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java
@@ -90,7 +90,7 @@ public class ColorBlobDetectionActivity extends Activity implements OnTouchListe
         super.onResume();
         if (!OpenCVLoader.initDebug()) {
             Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
-            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
+            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
         } else {
             Log.d(TAG, "OpenCV library found inside package. Using it!");
             mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
diff --git a/samples/android/face-detection/src/org/opencv/samples/facedetect/FdActivity.java b/samples/android/face-detection/src/org/opencv/samples/facedetect/FdActivity.java
index 7f641f7ae..48a89b0f8 100644
--- a/samples/android/face-detection/src/org/opencv/samples/facedetect/FdActivity.java
+++ b/samples/android/face-detection/src/org/opencv/samples/facedetect/FdActivity.java
@@ -142,7 +142,7 @@ public class FdActivity extends Activity implements CvCameraViewListener2 {
         super.onResume();
         if (!OpenCVLoader.initDebug()) {
             Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
-            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
+            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
         } else {
             Log.d(TAG, "OpenCV library found inside package. Using it!");
             mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
diff --git a/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsActivity.java b/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsActivity.java
index dee224a7e..382ce7503 100644
--- a/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsActivity.java
+++ b/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsActivity.java
@@ -113,7 +113,7 @@ public class ImageManipulationsActivity extends Activity implements CvCameraView
         super.onResume();
         if (!OpenCVLoader.initDebug()) {
             Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
-            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
+            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
         } else {
             Log.d(TAG, "OpenCV library found inside package. Using it!");
             mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
diff --git a/samples/android/native-activity/src/org/opencv/samples/NativeActivity/CvNativeActivity.java b/samples/android/native-activity/src/org/opencv/samples/NativeActivity/CvNativeActivity.java
index 7d4de93b2..0ffb84c3a 100644
--- a/samples/android/native-activity/src/org/opencv/samples/NativeActivity/CvNativeActivity.java
+++ b/samples/android/native-activity/src/org/opencv/samples/NativeActivity/CvNativeActivity.java
@@ -41,7 +41,7 @@ public class CvNativeActivity extends Activity {
         super.onResume();
         if (!OpenCVLoader.initDebug()) {
             Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
-            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
+            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
         } else {
             Log.d(TAG, "OpenCV library found inside package. Using it!");
             mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
diff --git a/samples/android/tutorial-1-camerapreview/src/org/opencv/samples/tutorial1/Tutorial1Activity.java b/samples/android/tutorial-1-camerapreview/src/org/opencv/samples/tutorial1/Tutorial1Activity.java
index 746eb4077..f0f2fb28c 100644
--- a/samples/android/tutorial-1-camerapreview/src/org/opencv/samples/tutorial1/Tutorial1Activity.java
+++ b/samples/android/tutorial-1-camerapreview/src/org/opencv/samples/tutorial1/Tutorial1Activity.java
@@ -78,7 +78,7 @@ public class Tutorial1Activity extends Activity implements CvCameraViewListener2
         super.onResume();
         if (!OpenCVLoader.initDebug()) {
             Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
-            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
+            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
         } else {
             Log.d(TAG, "OpenCV library found inside package. Using it!");
             mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
diff --git a/samples/android/tutorial-2-mixedprocessing/src/org/opencv/samples/tutorial2/Tutorial2Activity.java b/samples/android/tutorial-2-mixedprocessing/src/org/opencv/samples/tutorial2/Tutorial2Activity.java
index 1dbcff2ca..d8bb28a7e 100644
--- a/samples/android/tutorial-2-mixedprocessing/src/org/opencv/samples/tutorial2/Tutorial2Activity.java
+++ b/samples/android/tutorial-2-mixedprocessing/src/org/opencv/samples/tutorial2/Tutorial2Activity.java
@@ -99,7 +99,7 @@ public class Tutorial2Activity extends Activity implements CvCameraViewListener2
         super.onResume();
         if (!OpenCVLoader.initDebug()) {
             Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
-            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
+            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
         } else {
             Log.d(TAG, "OpenCV library found inside package. Using it!");
             mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
diff --git a/samples/android/tutorial-3-cameracontrol/src/org/opencv/samples/tutorial3/Tutorial3Activity.java b/samples/android/tutorial-3-cameracontrol/src/org/opencv/samples/tutorial3/Tutorial3Activity.java
index 8e3e16259..1800bfe1d 100644
--- a/samples/android/tutorial-3-cameracontrol/src/org/opencv/samples/tutorial3/Tutorial3Activity.java
+++ b/samples/android/tutorial-3-cameracontrol/src/org/opencv/samples/tutorial3/Tutorial3Activity.java
@@ -90,7 +90,7 @@ public class Tutorial3Activity extends Activity implements CvCameraViewListener2
         super.onResume();
         if (!OpenCVLoader.initDebug()) {
             Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
-            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
+            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
         } else {
             Log.d(TAG, "OpenCV library found inside package. Using it!");
             mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);