disable identify button temporarly. try to fix build

Author: vkocheryzhkin

.travis.yml

@@ -30,6 +30,11 @@ android:
 before_install:
   - echo $(ant -version)
 
+before_script:
+  - wget https://github.com/opencv/opencv/releases/download/3.4.1/opencv-3.4.1-android-sdk.zip
+  - unzip -q opencv-3.4.1-android-sdk.zip
+  - export OPENCV_ANDROID_SDK=$(pwd)/OpenCV-android-sdk
+
 script:
 - cd visionSamples/FaceTracker/
 - ./gradlew build

FaceTracker/app/CMakeLists.txt

@@ -8,10 +8,9 @@ set (CMAKE_CXX_STANDARD 11)
 
 
 # OpenCV stuff
-# todo: use env variable to set opencv location
-include_directories("/Users/hoopoe/Tools/OpenCV-android-sdk/sdk/native/jni/include")
+include_directories($ENV{OPENCV_ANDROID_SDK}/sdk/native/jni/include)
 add_library( lib_opencv SHARED IMPORTED )
-set_target_properties(lib_opencv PROPERTIES IMPORTED_LOCATION /Users/hoopoe/Tools/OpenCV-android-sdk/sdk/native/libs/${ANDROID_ABI}/libopencv_java3.so)
+set_target_properties(lib_opencv PROPERTIES IMPORTED_LOCATION $ENV{OPENCV_ANDROID_SDK}/sdk/native/libs/${ANDROID_ABI}/libopencv_java3.so)
 
 find_library( # Sets the name of the path variable.
               log-lib
@@ -23,7 +22,7 @@ find_library( # Sets the name of the path variable.
 set(DLIB_DIR ../../dlib)
 include_directories(${DLIB_DIR})
 #set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
 
 add_library( # Sets the name of the library.
              lib_dlib

FaceTracker/app/src/main/java/com/google/android/gms/samples/vision/face/facetracker/FaceTrackerActivity.java

@@ -60,7 +60,7 @@ public final class FaceTrackerActivity extends AppCompatActivity {
 
     private CameraSourcePreview mPreview;
     private GraphicOverlay mGraphicOverlay;
-    private Button mBtnDetect;
+//    private Button mBtnDetect;
     private CustomDetector customDetector;
     //private FaceDetector mPictureDetector;
 
@@ -85,7 +85,7 @@ public void onCreate(Bundle icicle) {
 
         mPreview = (CameraSourcePreview) findViewById(R.id.preview);
         mGraphicOverlay = (GraphicOverlay) findViewById(R.id.faceOverlay);
-        mBtnDetect = (Button) findViewById(R.id.btnDetect);
+//        mBtnDetect = (Button) findViewById(R.id.btnDetect);
         mFaceRecognizer = new FaceRecognizer();
 
         // Check for the sdcard write permission.  If the
@@ -228,36 +228,36 @@ private void createCameraSource() {
                 .setRequestedFps(10)
                 .build();
 
-        mBtnDetect.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                mCameraSource.takePicture(null, new CameraSource.PictureCallback() {
-                    @Override
-                    public void onPictureTaken(byte[] bytes) {
-                        BitmapFactory.Options options = new BitmapFactory.Options();
-                        final Bitmap temp = BitmapFactory.decodeByteArray(bytes, 0,
-                                bytes.length, options);
-
-                        //Log.d(TAG, temp.getWidth() + " " + temp.getHeight());
-//                        Frame frame = new Frame.Builder().setBitmap(temp).build();
-//                        SparseArray<Face> faces = mPictureDetector.detect(frame);
-//                        Log.d(TAG, String.format("Num of faces %d", faces.size()));
-
-                        Toast toast = Toast.makeText(getApplicationContext(),
-                                "Long detection started...(~1min)", Toast.LENGTH_SHORT);
-                        toast.show();
-
-                        new Thread(new Runnable() {
-                            @Override
-                            public void run() {
-                                String[] array = mFaceRecognizer.recognizeFaces(temp);
-                                Toaster.toastLong(TextUtils.join(",", array));
-                            }
-                        }).start();
-                    }
-                });
-            }
-        });
+//        mBtnDetect.setOnClickListener(new View.OnClickListener() {
+//            @Override
+//            public void onClick(View v) {
+//                mCameraSource.takePicture(null, new CameraSource.PictureCallback() {
+//                    @Override
+//                    public void onPictureTaken(byte[] bytes) {
+//                        BitmapFactory.Options options = new BitmapFactory.Options();
+//                        final Bitmap temp = BitmapFactory.decodeByteArray(bytes, 0,
+//                                bytes.length, options);
+//
+//                        //Log.d(TAG, temp.getWidth() + " " + temp.getHeight());
+////                        Frame frame = new Frame.Builder().setBitmap(temp).build();
+////                        SparseArray<Face> faces = mPictureDetector.detect(frame);
+////                        Log.d(TAG, String.format("Num of faces %d", faces.size()));
+//
+//                        Toast toast = Toast.makeText(getApplicationContext(),
+//                                "Long detection started...(~1min)", Toast.LENGTH_SHORT);
+//                        toast.show();
+//
+//                        new Thread(new Runnable() {
+//                            @Override
+//                            public void run() {
+//                                String[] array = mFaceRecognizer.recognizeFaces(temp);
+//                                Toaster.toastLong(TextUtils.join(",", array));
+//                            }
+//                        }).start();
+//                    }
+//                });
+//            }
+//        });
     }
 
     /**

FaceTracker/app/src/main/res/layout-land/main.xml

@@ -7,11 +7,11 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:keepScreenOn="true">
-  <Button
-      android:id="@+id/btnDetect"
-      android:layout_width="35dp"
-      android:layout_height="wrap_content"
-      android:text="Identify" />
+  <!--<Button-->
+      <!--android:id="@+id/btnDetect"-->
+      <!--android:layout_width="35dp"-->
+      <!--android:layout_height="wrap_content"-->
+      <!--android:text="Identify" />-->
   <com.google.android.gms.samples.vision.face.facetracker.ui.camera.CameraSourcePreview
       android:id="@+id/preview"
       android:layout_width="match_parent"

FaceTracker/app/src/main/res/layout/main.xml

@@ -9,11 +9,11 @@
     android:keepScreenOn="true">
 
 
-    <Button
-        android:id="@+id/btnDetect"
-        android:layout_width="350dp"
-        android:layout_height="wrap_content"
-        android:text="Identify" />
+    <!--<Button-->
+        <!--android:id="@+id/btnDetect"-->
+        <!--android:layout_width="350dp"-->
+        <!--android:layout_height="wrap_content"-->
+        <!--android:text="Identify" />-->
 
     <com.google.android.gms.samples.vision.face.facetracker.ui.camera.CameraSourcePreview
       android:id="@+id/preview"

README.md

@@ -4,5 +4,11 @@ Facial Recognition on Android using dlib and opencv
 ============
 
 This app demonstrate realtime face detection, tracking and recognition based on predefined face vectors.
-
 ============
+
+Notes:
+1. set env variable OPENCV_ANDROID_SDK 
+export OPENCV_ANDROID_SDK=/Users/hoopoe/Tools/OpenCV-android-sdk
+
+2. dlib adapted to work with -DANDROID_STL=gnustl_shared
+