private String getText(Bitmap bitmap){
    try{
      tessBaseAPI = new TessBaseAPI();
    }catch (Exception e){
      Log.e(TAG, e.getMessage());
    }
    tessBaseAPI.init(DATA_PATH,"eng");
    tessBaseAPI.setImage(bitmap);
    String retStr = "No result";
    try{
      retStr = tessBaseAPI.getUTF8Text();
    }catch (Exception e){
      Log.e(TAG, e.getMessage());
    }
    tessBaseAPI.end();
    return retStr;
}