Call MyTessOCR class from CameraActivity

CameraActivity.java

//...
//...
//...
//       Mat usedMat;
         MyTessOCR mTessOCR;
         Bitmap bitmap;
//
//       BaseLoaderCallback mLoaderCallBack = new BaseLoaderCallback(this){...}
//...
//...
//       protected void onCreate(Bundle savedInstanceState) {
//...
//          javaCameraView.setCvCameraViewListener(this);

            mTessOCR = new MyTessOCR(this);
//...
//          makeNormal = (Button) findViewById(R.id.normal_mode);
//...
//          makeRead.setOnClickListener(new View.OnClickListener() {
//            @Override
//            public void onClick(View v) {

                // since the computation of the OCR could be process-demanding,
                // we will call it in an extra thread.
                AsyncOcrTask task = new AsyncOcrTask();
                task.execute();

//           }
//       });
//     }
//...

    private class AsyncOcrTask extends AsyncTask<Void, Void, String> {
        @Override
        protected String doInBackground(Void... voids){
            String temp = "not working";
            bitmap = Bitmap.createBitmap(usedMat.cols(),usedMat.rows(), Bitmap.Config.ARGB_4444);
            try {
                bitmap = Bitmap.createBitmap(usedMat.cols(), usedMat.rows(), Bitmap.Config.ARGB_4444);
                Utils.matToBitmap(usedMat, bitmap);

                // Getting width & height of the given image.
                int w = bitmap.getWidth();
                int h = bitmap.getHeight();

                // Setting rotation, according to our changes in OpenCV library,
                // because we only changed the rotation in the preview, not in the actual inputStream
                Matrix mtx = new Matrix();
                mtx.postRotate(90);

                // Rotating Bitmap
                bitmap = Bitmap.createBitmap(bitmap, 0, 0, w, h, mtx, false);

                temp = mTessOCR.getOCRResult(bitmap);
            }catch(Exception ex){
                Log.d("Exception",ex.getMessage());
            }
            return temp;
        }
// }