enable auto focus

Author: vkocheryzhkin

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

@@ -43,7 +43,7 @@ class FaceGraphic extends GraphicOverlay.Graphic implements RecognitionInterface
     private static final String TAG = "FaceGraphic";
 
     private static final float FACE_POSITION_RADIUS = 10.0f;
-    private static final float ID_TEXT_SIZE = 80.0f;
+    private static final float ID_TEXT_SIZE = 50.0f;
     private static final float ID_Y_OFFSET = 50.0f;
     private static final float ID_X_OFFSET = -50.0f;
     private static final float BOX_STROKE_WIDTH = 5.0f;
@@ -145,7 +145,7 @@ public void draw(Canvas canvas) {
         //canvas.drawCircle(x, y, FACE_POSITION_RADIUS, mFacePositionPaint);
         //canvas.drawText("id: " + mFaceId, x + ID_X_OFFSET, y + ID_Y_OFFSET, mIdPaint);
         if(mIdentity != ""){
-            canvas.drawText(":) " + mIdentity, x - ID_X_OFFSET, y - ID_Y_OFFSET, mIdPaint);
+            canvas.drawText(mIdentity, x - ID_X_OFFSET, y - ID_Y_OFFSET, mIdPaint);
         }
 
         // Draws a bounding box around the face.

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

@@ -225,7 +225,8 @@ private void createCameraSource() {
         mCameraSource = new CameraSource.Builder(context, customDetector)
                 .setRequestedPreviewSize(1920, 1080)
                 .setFacing(CameraSource.CAMERA_FACING_BACK)
-                .setRequestedFps(10)
+                .setAutoFocusEnabled(true)
+                .setRequestedFps(20)
                 .build();
 
 //        mBtnDetect.setOnClickListener(new View.OnClickListener() {

README.md

@@ -3,11 +3,13 @@
 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 
+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