How to use

setBitmap

method

in

com.google.android.gms.vision.Frame$Builder

Frame frame = new Frame.Builder().setBitmap(bitmap).build();
SparseArray<Face> faces = safeDetector.detect(frame);

/**
 * Calculates a point (focus point) in the bitmap, around which cropping needs to be performed.
 *
 * @param bitmap           Bitmap in which faces are to be detected.
 * @param centerOfAllFaces To store the center point.
 */
private void detectFace(Bitmap bitmap, PointF centerOfAllFaces) {
  FaceDetector faceDetector = GlideFaceDetector.getFaceDetector();
  if (!faceDetector.isOperational()) {
    centerOfAllFaces.set(bitmap.getWidth() / 2, bitmap.getHeight() / 2); // center crop
    return;
  }
  Frame frame = new Frame.Builder().setBitmap(bitmap).build();
  SparseArray<Face> faces = faceDetector.detect(frame);
  final int totalFaces = faces.size();
  if (totalFaces > 0) {
    float sumX = 0f;
    float sumY = 0f;
    for (int i = 0; i < totalFaces; i++) {
      PointF faceCenter = new PointF();
      getFaceCenter(faces.get(faces.keyAt(i)), faceCenter);
      sumX = sumX + faceCenter.x;
      sumY = sumY + faceCenter.y;
    }
    centerOfAllFaces.set(sumX / totalFaces, sumY / totalFaces);
    return;
  }
  centerOfAllFaces.set(bitmap.getWidth() / 2, bitmap.getHeight() / 2); // center crop
}

/**
 * Calculates a point (focus point) in the bitmap, around which cropping needs to be performed.
 *
 * @param bitmap           Bitmap in which faces are to be detected.
 * @param centerOfAllFaces To store the center point.
 */
private void detectFace(Bitmap bitmap, PointF centerOfAllFaces) {
  FaceDetector faceDetector = PicassoFaceDetector.getFaceDetector();
  if (!faceDetector.isOperational()) {
    centerOfAllFaces.set(bitmap.getWidth() / 2, bitmap.getHeight() / 2); // center crop
    return;
  }
  Frame frame = new Frame.Builder().setBitmap(bitmap).build();
  SparseArray<Face> faces = faceDetector.detect(frame);
  final int totalFaces = faces.size();
  if (totalFaces > 0) {
    float sumX = 0f;
    float sumY = 0f;
    for (int i = 0; i < totalFaces; i++) {
      PointF faceCenter = new PointF();
      getFaceCenter(faces.get(faces.keyAt(i)), faceCenter);
      sumX = sumX + faceCenter.x;
      sumY = sumY + faceCenter.y;
    }
    centerOfAllFaces.set(sumX / totalFaces, sumY / totalFaces);
    return;
  }
  centerOfAllFaces.set(bitmap.getWidth() / 2, bitmap.getHeight() / 2); // center crop
}

Frame frame = new Frame.Builder().setBitmap(bitmap).build();
SparseArray<TextBlock> origTextBlocks = textRecognizer.detect(frame);
List<TextBlock> textBlocks = new ArrayList<>();

public void setBitmap( Bitmap bitmap ) {
  mBitmap = bitmap;
  FaceDetector detector = new FaceDetector.Builder( getContext() )
      .setTrackingEnabled(true)
      .setLandmarkType(FaceDetector.ALL_LANDMARKS)
      .setMode(FaceDetector.ACCURATE_MODE)
      .build();
  if (!detector.isOperational()) {
    //Handle contingency
  } else {
    Frame frame = new Frame.Builder().setBitmap(bitmap).build();
    mFaces = detector.detect(frame);
    detector.release();
  }
  logFaceData();
  invalidate();
}