Android实现扫一扫识别数字功能

android {
  defaultConfig {
    ....
    ndk {
      abiFilters 'armeabi' //自行选择添加
    }
  }
}
dependencies {
  compile 'com.rmtheis:tess-two:8.0.0'
}

public String detectText(Bitmap bitmap) {
    TessBaseAPI tessBaseAPI = new TessBaseAPI();
    String path = ""; //训练数据路径
    tessBaseAPI.setDebug(true);
    tessBaseAPI.init(path, "eng"); //eng为识别语言
    tessBaseAPI.setVariable(TessBaseAPI.VAR_CHAR_WHITELIST, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"); // 识别白名单
    tessBaseAPI.setVariable(TessBaseAPI.VAR_CHAR_BLACKLIST, "!@#$%^&*()_+=-[]}{;:'\"\\|~`,./<>?"); // 识别黑名单
    tessBaseAPI.setPageSegMode(TessBaseAPI.PageSegMode.PSM_AUTO_OSD);//设置识别模式
    tessBaseAPI.setImage(bitmap); //设置需要识别图片的bitmap
    String inspection = tessBaseAPI.getHOCRText(0);
    tessBaseAPI.end();
    return inspection ;
  }

 Result rawResult = null;
  MultiFormatReader mMultiFormatReade = new MultiFormatReader();
  try {
    PlanarYUVLuminanceSource source =
          new PlanarYUVLuminanceSource(```, false);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    rawResult = mMultiFormatReader.decode(bitmap, mHints);
  } catch (ReaderException ignored) {

  } finally {
    mMultiFormatReader.reset();
  }

 public static String getTelNum(String sParam){
    if(TextUtils.isEmpty(sParam)){
      return "";
    }
    Pattern pattern = Pattern.compile("(1|861)(3|5|7|8)\\d{9}$*");
    Matcher matcher = pattern.matcher(sParam);
    StringBuilder bf = new StringBuilder();
    while (matcher.find()) {
      bf.append(matcher.group()).append(",");
    }
    int len = bf.length();
    if (len > 0) {
      bf.deleteCharAt(len - 1);
    }
    return bf.toString();
  }