com.google.zxing.BarcodeFormat# QR_CODE 源码实例Demo

下面列出了com.google.zxing.BarcodeFormat# QR_CODE 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： bcm-android 文件： QREncoder.java


private boolean encodeContents(String data, Bundle bundle, String type, String formatString) {
    // Default to QR_CODE if no format given.
    format = null;
    if (formatString != null) {
        try {
            format = BarcodeFormat.valueOf(formatString);
        } catch (IllegalArgumentException iae) {
            // Ignore it then
        }
    }
    if (format == null || format == BarcodeFormat.QR_CODE) {
        this.format = BarcodeFormat.QR_CODE;
        encodeQRCodeContents(data, bundle, type);
    } else if (data != null && data.length() > 0) {
        contents = data;
        displayContents = data;
        title = "Text";
    }
    return contents != null && contents.length() > 0;
}

源代码2 项目： reacteu-app 文件： QRCodeReader.java


@Override
public Result decode(BinaryBitmap image, Map<DecodeHintType,?> hints)
    throws NotFoundException, ChecksumException, FormatException {
  DecoderResult decoderResult;
  ResultPoint[] points;
  if (hints != null && hints.containsKey(DecodeHintType.PURE_BARCODE)) {
    BitMatrix bits = extractPureBits(image.getBlackMatrix());
    decoderResult = decoder.decode(bits, hints);
    points = NO_POINTS;
  } else {
    DetectorResult detectorResult = new Detector(image.getBlackMatrix()).detect(hints);
    decoderResult = decoder.decode(detectorResult.getBits(), hints);
    points = detectorResult.getPoints();
  }

  Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points, BarcodeFormat.QR_CODE);
  List<byte[]> byteSegments = decoderResult.getByteSegments();
  if (byteSegments != null) {
    result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
  }
  String ecLevel = decoderResult.getECLevel();
  if (ecLevel != null) {
    result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
  }
  return result;
}

源代码3 项目： letv 文件： QRCodeWriter.java


public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, Map<EncodeHintType, ?> hints) throws WriterException {
    if (contents.length() == 0) {
        throw new IllegalArgumentException("Found empty contents");
    } else if (format != BarcodeFormat.QR_CODE) {
        throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
    } else if (width < 0 || height < 0) {
        throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' + height);
    } else {
        ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
        int quietZone = 4;
        if (hints != null) {
            ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel) hints.get(EncodeHintType.ERROR_CORRECTION);
            if (requestedECLevel != null) {
                errorCorrectionLevel = requestedECLevel;
            }
            Integer quietZoneInt = (Integer) hints.get(EncodeHintType.MARGIN);
            if (quietZoneInt != null) {
                quietZone = quietZoneInt.intValue();
            }
        }
        return renderResult(Encoder.encode(contents, errorCorrectionLevel, hints), width, height, quietZone);
    }
}

源代码4 项目： android-apps 文件： QRCodeEncoder.java


private void encodeContentsFromShareIntentPlainText(Intent intent) throws WriterException {
  // Notice: Google Maps shares both URL and details in one text, bummer!
  String theContents = ContactEncoder.trim(intent.getStringExtra(Intent.EXTRA_TEXT));
  // We only support non-empty and non-blank texts.
  // Trim text to avoid URL breaking.
  if (theContents == null || theContents.length() == 0) {
    throw new WriterException("Empty EXTRA_TEXT");
  }
  contents = theContents;
  // We only do QR code.
  format = BarcodeFormat.QR_CODE;
  if (intent.hasExtra(Intent.EXTRA_SUBJECT)) {
    displayContents = intent.getStringExtra(Intent.EXTRA_SUBJECT);
  } else if (intent.hasExtra(Intent.EXTRA_TITLE)) {
    displayContents = intent.getStringExtra(Intent.EXTRA_TITLE);
  } else {
    displayContents = contents;
  }
  title = activity.getString(R.string.contents_text);
}

源代码5 项目： barterli_android 文件： QRCodeReader.java


@Override
public Result decode(BinaryBitmap image, Map<DecodeHintType, ?> hints) throws NotFoundException, ChecksumException, FormatException {
    DecoderResult decoderResult;
    ResultPoint[] points;
    if (hints != null && hints.containsKey(DecodeHintType.PURE_BARCODE)) {
        BitMatrix bits = extractPureBits(image.getBlackMatrix());
        decoderResult = decoder.decode(bits, hints);
        points = NO_POINTS;
    } else {
        DetectorResult detectorResult = new Detector(image.getBlackMatrix()).detect(hints);
        decoderResult = decoder.decode(detectorResult.getBits(), hints);
        points = detectorResult.getPoints();
    }

    Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points, BarcodeFormat.QR_CODE);
    List<byte[]> byteSegments = decoderResult.getByteSegments();
    if (byteSegments != null) {
        result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
    }
    String ecLevel = decoderResult.getECLevel();
    if (ecLevel != null) {
        result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
    }
    return result;
}

源代码6 项目： android-quick-response-code 文件： QRCodeWriter.java


@Override
public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, Map<EncodeHintType, ?> hints) throws WriterException {

    if (contents.length() == 0) {
        throw new IllegalArgumentException("Found empty contents");
    }

    if (format != BarcodeFormat.QR_CODE) {
        throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
    }

    if (width < 0 || height < 0) {
        throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' + height);
    }

    ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
    if (hints != null) {
        ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel) hints.get(EncodeHintType.ERROR_CORRECTION);
        if (requestedECLevel != null) {
            errorCorrectionLevel = requestedECLevel;
        }
    }

    QRCode code = new QRCode();
    Encoder.encode(contents, errorCorrectionLevel, hints, code);
    return renderResult(code, width, height);
}

源代码7 项目： zxingfragmentlib 文件： QRCodeEncoder.java


private void encodeFromTextExtras(Intent intent) throws WriterException {
  // Notice: Google Maps shares both URL and details in one text, bummer!
  String theContents = ContactEncoder.trim(intent.getStringExtra(Intent.EXTRA_TEXT));
  if (theContents == null) {
    theContents = ContactEncoder.trim(intent.getStringExtra("android.intent.extra.HTML_TEXT"));
    // Intent.EXTRA_HTML_TEXT
    if (theContents == null) {
      theContents = ContactEncoder.trim(intent.getStringExtra(Intent.EXTRA_SUBJECT));
      if (theContents == null) {
        String[] emails = intent.getStringArrayExtra(Intent.EXTRA_EMAIL);
        if (emails != null) {
          theContents = ContactEncoder.trim(emails[0]);
        } else {
          theContents = "?";
        }
      }
    }
  }

  // Trim text to avoid URL breaking.
  if (theContents == null || theContents.isEmpty()) {
    throw new WriterException("Empty EXTRA_TEXT");
  }
  contents = theContents;
  // We only do QR code.
  format = BarcodeFormat.QR_CODE;
  if (intent.hasExtra(Intent.EXTRA_SUBJECT)) {
    displayContents = intent.getStringExtra(Intent.EXTRA_SUBJECT);
  } else if (intent.hasExtra(Intent.EXTRA_TITLE)) {
    displayContents = intent.getStringExtra(Intent.EXTRA_TITLE);
  } else {
    displayContents = contents;
  }
  title = activity.getString(R.string.contents_text);
}

源代码8 项目： analyzer-of-android-for-Apache-Weex 文件： QRCodeMultiReader.java


@Override
public Result[] decodeMultiple(BinaryBitmap image, Map<DecodeHintType,?> hints) throws NotFoundException {
  List<Result> results = new ArrayList<>();
  DetectorResult[] detectorResults = new MultiDetector(image.getBlackMatrix()).detectMulti(hints);
  for (DetectorResult detectorResult : detectorResults) {
    try {
      DecoderResult decoderResult = getDecoder().decode(detectorResult.getBits(), hints);
      ResultPoint[] points = detectorResult.getPoints();
      // If the code was mirrored: swap the bottom-left and the top-right points.
      if (decoderResult.getOther() instanceof QRCodeDecoderMetaData) {
        ((QRCodeDecoderMetaData) decoderResult.getOther()).applyMirroredCorrection(points);
      }
      Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points,
                                 BarcodeFormat.QR_CODE);
      List<byte[]> byteSegments = decoderResult.getByteSegments();
      if (byteSegments != null) {
        result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
      }
      String ecLevel = decoderResult.getECLevel();
      if (ecLevel != null) {
        result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
      }
      if (decoderResult.hasStructuredAppend()) {
        result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_SEQUENCE,
                           decoderResult.getStructuredAppendSequenceNumber());
        result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_PARITY,
                           decoderResult.getStructuredAppendParity());
      }
      results.add(result);
    } catch (ReaderException re) {
      // ignore and continue 
    }
  }
  if (results.isEmpty()) {
    return EMPTY_RESULT_ARRAY;
  } else {
    results = processStructuredAppend(results);
    return results.toArray(new Result[results.size()]);
  }
}

源代码9 项目： QrCodeScanner 文件： QRCodeMultiReader.java


@Override
public Result[] decodeMultiple(BinaryBitmap image, Map<DecodeHintType,?> hints) throws NotFoundException {
  List<Result> results = new ArrayList<>();
  DetectorResult[] detectorResults = new MultiDetector(image.getBlackMatrix()).detectMulti(hints);
  for (DetectorResult detectorResult : detectorResults) {
    try {
      DecoderResult decoderResult = getDecoder().decode(detectorResult.getBits(), hints);
      ResultPoint[] points = detectorResult.getPoints();
      // If the code was mirrored: swap the bottom-left and the top-right points.
      if (decoderResult.getOther() instanceof QRCodeDecoderMetaData) {
        ((QRCodeDecoderMetaData) decoderResult.getOther()).applyMirroredCorrection(points);
      }
      Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points,
                                 BarcodeFormat.QR_CODE);
      List<byte[]> byteSegments = decoderResult.getByteSegments();
      if (byteSegments != null) {
        result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
      }
      String ecLevel = decoderResult.getECLevel();
      if (ecLevel != null) {
        result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
      }
      if (decoderResult.hasStructuredAppend()) {
        result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_SEQUENCE,
                           decoderResult.getStructuredAppendSequenceNumber());
        result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_PARITY,
                           decoderResult.getStructuredAppendParity());
      }
      results.add(result);
    } catch (ReaderException re) {
      // ignore and continue 
    }
  }
  if (results.isEmpty()) {
    return EMPTY_RESULT_ARRAY;
  } else {
    results = processStructuredAppend(results);
    return results.toArray(new Result[results.size()]);
  }
}

源代码10 项目： weex 文件： QRCodeMultiReader.java


@Override
public Result[] decodeMultiple(BinaryBitmap image, Map<DecodeHintType,?> hints) throws NotFoundException {
  List<Result> results = new ArrayList<>();
  DetectorResult[] detectorResults = new MultiDetector(image.getBlackMatrix()).detectMulti(hints);
  for (DetectorResult detectorResult : detectorResults) {
    try {
      DecoderResult decoderResult = getDecoder().decode(detectorResult.getBits(), hints);
      ResultPoint[] points = detectorResult.getPoints();
      // If the code was mirrored: swap the bottom-left and the top-right points.
      if (decoderResult.getOther() instanceof QRCodeDecoderMetaData) {
        ((QRCodeDecoderMetaData) decoderResult.getOther()).applyMirroredCorrection(points);
      }
      Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points,
                                 BarcodeFormat.QR_CODE);
      List<byte[]> byteSegments = decoderResult.getByteSegments();
      if (byteSegments != null) {
        result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
      }
      String ecLevel = decoderResult.getECLevel();
      if (ecLevel != null) {
        result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
      }
      if (decoderResult.hasStructuredAppend()) {
        result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_SEQUENCE,
                           decoderResult.getStructuredAppendSequenceNumber());
        result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_PARITY,
                           decoderResult.getStructuredAppendParity());
      }
      results.add(result);
    } catch (ReaderException re) {
      // ignore and continue 
    }
  }
  if (results.isEmpty()) {
    return EMPTY_RESULT_ARRAY;
  } else {
    results = processStructuredAppend(results);
    return results.toArray(new Result[results.size()]);
  }
}

源代码11 项目： barcodescanner-lib-aar 文件： QRCodeMultiReader.java


@Override
public Result[] decodeMultiple(BinaryBitmap image, Map<DecodeHintType,?> hints) throws NotFoundException {
  List<Result> results = new ArrayList<>();
  DetectorResult[] detectorResults = new MultiDetector(image.getBlackMatrix()).detectMulti(hints);
  for (DetectorResult detectorResult : detectorResults) {
    try {
      DecoderResult decoderResult = getDecoder().decode(detectorResult.getBits(), hints);
      ResultPoint[] points = detectorResult.getPoints();
      // If the code was mirrored: swap the bottom-left and the top-right points.
      if (decoderResult.getOther() instanceof QRCodeDecoderMetaData) {
        ((QRCodeDecoderMetaData) decoderResult.getOther()).applyMirroredCorrection(points);
      }
      Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points,
                                 BarcodeFormat.QR_CODE);
      List<byte[]> byteSegments = decoderResult.getByteSegments();
      if (byteSegments != null) {
        result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
      }
      String ecLevel = decoderResult.getECLevel();
      if (ecLevel != null) {
        result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
      }
      if (decoderResult.hasStructuredAppend()) {
        result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_SEQUENCE,
                           decoderResult.getStructuredAppendSequenceNumber());
        result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_PARITY,
                           decoderResult.getStructuredAppendParity());
      }
      results.add(result);
    } catch (ReaderException re) {
      // ignore and continue 
    }
  }
  if (results.isEmpty()) {
    return EMPTY_RESULT_ARRAY;
  } else {
    results = processStructuredAppend(results);
    return results.toArray(new Result[results.size()]);
  }
}

源代码12 项目： ZXing-Standalone-library 文件： QRCodeEncoder.java


private void encodeFromTextExtras(Intent intent) throws WriterException {
  // Notice: Google Maps shares both URL and details in one text, bummer!
  String theContents = ContactEncoder.trim(intent.getStringExtra(Intent.EXTRA_TEXT));
  if (theContents == null) {
    theContents = ContactEncoder.trim(intent.getStringExtra("android.intent.extra.HTML_TEXT"));
    // Intent.EXTRA_HTML_TEXT
    if (theContents == null) {
      theContents = ContactEncoder.trim(intent.getStringExtra(Intent.EXTRA_SUBJECT));
      if (theContents == null) {
        String[] emails = intent.getStringArrayExtra(Intent.EXTRA_EMAIL);
        if (emails != null) {
          theContents = ContactEncoder.trim(emails[0]);
        } else {
          theContents = "?";
        }
      }
    }
  }

  // Trim text to avoid URL breaking.
  if (theContents == null || theContents.isEmpty()) {
    throw new WriterException("Empty EXTRA_TEXT");
  }
  contents = theContents;
  // We only do QR code.
  format = BarcodeFormat.QR_CODE;
  if (intent.hasExtra(Intent.EXTRA_SUBJECT)) {
    displayContents = intent.getStringExtra(Intent.EXTRA_SUBJECT);
  } else if (intent.hasExtra(Intent.EXTRA_TITLE)) {
    displayContents = intent.getStringExtra(Intent.EXTRA_TITLE);
  } else {
    displayContents = contents;
  }
  title = activity.getString(R.string.contents_text);
}

源代码13 项目： analyzer-of-android-for-Apache-Weex 文件： QRCodeWriter.java


@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

源代码14 项目： QrCodeScanner 文件： QRCodeReader.java


@Override
public final Result decode(BinaryBitmap image, Map<DecodeHintType,?> hints)
    throws NotFoundException, ChecksumException, FormatException {
  DecoderResult decoderResult;
  ResultPoint[] points;
  if (hints != null && hints.containsKey(DecodeHintType.PURE_BARCODE)) {
    BitMatrix bits = extractPureBits(image.getBlackMatrix());
    decoderResult = decoder.decode(bits, hints);
    points = NO_POINTS;
  } else {
    DetectorResult detectorResult = new Detector(image.getBlackMatrix()).detect(hints);
    decoderResult = decoder.decode(detectorResult.getBits(), hints);
    points = detectorResult.getPoints();
  }

  // If the code was mirrored: swap the bottom-left and the top-right points.
  if (decoderResult.getOther() instanceof QRCodeDecoderMetaData) {
    ((QRCodeDecoderMetaData) decoderResult.getOther()).applyMirroredCorrection(points);
  }

  Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points, BarcodeFormat.QR_CODE);
  List<byte[]> byteSegments = decoderResult.getByteSegments();
  if (byteSegments != null) {
    result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
  }
  String ecLevel = decoderResult.getECLevel();
  if (ecLevel != null) {
    result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
  }
  if (decoderResult.hasStructuredAppend()) {
    result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_SEQUENCE,
                       decoderResult.getStructuredAppendSequenceNumber());
    result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_PARITY,
                       decoderResult.getStructuredAppendParity());
  }
  return result;
}

源代码15 项目： RipplePower 文件： QRCodeReader.java


@Override
public final Result decode(BinaryBitmap image, Map<DecodeHintType, ?> hints)
		throws NotFoundException, ChecksumException, FormatException {
	DecoderResult decoderResult;
	ResultPoint[] points;
	if (hints != null && hints.containsKey(DecodeHintType.PURE_BARCODE)) {
		BitMatrix bits = extractPureBits(image.getBlackMatrix());
		decoderResult = decoder.decode(bits, hints);
		points = NO_POINTS;
	} else {
		DetectorResult detectorResult = new Detector(image.getBlackMatrix()).detect(hints);
		decoderResult = decoder.decode(detectorResult.getBits(), hints);
		points = detectorResult.getPoints();
	}

	// If the code was mirrored: swap the bottom-left and the top-right
	// points.
	if (decoderResult.getOther() instanceof QRCodeDecoderMetaData) {
		((QRCodeDecoderMetaData) decoderResult.getOther()).applyMirroredCorrection(points);
	}

	Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points, BarcodeFormat.QR_CODE);
	List<byte[]> byteSegments = decoderResult.getByteSegments();
	if (byteSegments != null) {
		result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
	}
	String ecLevel = decoderResult.getECLevel();
	if (ecLevel != null) {
		result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
	}
	if (decoderResult.hasStructuredAppend()) {
		result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_SEQUENCE,
				decoderResult.getStructuredAppendSequenceNumber());
		result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_PARITY, decoderResult.getStructuredAppendParity());
	}
	return result;
}

源代码16 项目： barterli_android 文件： QRCodeWriter.java


@Override
public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, Map<EncodeHintType, ?> hints) throws WriterException {

    if (contents.length() == 0) {
        throw new IllegalArgumentException("Found empty contents");
    }

    if (format != BarcodeFormat.QR_CODE) {
        throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
    }

    if (width < 0 || height < 0) {
        throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' + height);
    }

    ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
    if (hints != null) {
        ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel) hints.get(EncodeHintType.ERROR_CORRECTION);
        if (requestedECLevel != null) {
            errorCorrectionLevel = requestedECLevel;
        }
    }

    QRCode code = new QRCode();
    Encoder.encode(contents, errorCorrectionLevel, hints, code);
    return renderResult(code, width, height);
}

源代码17 项目： weex 文件： QRCodeEncoder.java


private void encodeFromTextExtras(Intent intent) throws WriterException {
  // Notice: Google Maps shares both URL and details in one text, bummer!
  String theContents = ContactEncoder.trim(intent.getStringExtra(Intent.EXTRA_TEXT));
  if (theContents == null) {
    theContents = ContactEncoder.trim(intent.getStringExtra("android.intent.extra.HTML_TEXT"));
    // Intent.EXTRA_HTML_TEXT
    if (theContents == null) {
      theContents = ContactEncoder.trim(intent.getStringExtra(Intent.EXTRA_SUBJECT));
      if (theContents == null) {
        String[] emails = intent.getStringArrayExtra(Intent.EXTRA_EMAIL);
        if (emails != null) {
          theContents = ContactEncoder.trim(emails[0]);
        } else {
          theContents = "?";
        }
      }
    }
  }

  // Trim text to avoid URL breaking.
  if (theContents == null || theContents.isEmpty()) {
    throw new WriterException("Empty EXTRA_TEXT");
  }
  contents = theContents;
  // We only do QR code.
  format = BarcodeFormat.QR_CODE;
  if (intent.hasExtra(Intent.EXTRA_SUBJECT)) {
    displayContents = intent.getStringExtra(Intent.EXTRA_SUBJECT);
  } else if (intent.hasExtra(Intent.EXTRA_TITLE)) {
    displayContents = intent.getStringExtra(Intent.EXTRA_TITLE);
  } else {
    displayContents = contents;
  }
  title = activity.getString(R.string.contents_text);
}

源代码18 项目： ZXing-Orient 文件： QRCodeEncoder.java


private void encodeFromTextExtras(Intent intent) throws WriterException {
  // Notice: Google Maps shares both URL and details in one text, bummer!
  String theContents = ContactEncoder.trim(intent.getStringExtra(Intent.EXTRA_TEXT));
  if (theContents == null) {
    theContents = ContactEncoder.trim(intent.getStringExtra("android.intent.extra.HTML_TEXT"));
    // Intent.EXTRA_HTML_TEXT
    if (theContents == null) {
      theContents = ContactEncoder.trim(intent.getStringExtra(Intent.EXTRA_SUBJECT));
      if (theContents == null) {
        String[] emails = intent.getStringArrayExtra(Intent.EXTRA_EMAIL);
        if (emails != null) {
          theContents = ContactEncoder.trim(emails[0]);
        } else {
          theContents = "?";
        }
      }
    }
  }

  // Trim text to avoid URL breaking.
  if (theContents == null || theContents.isEmpty()) {
    throw new WriterException("Empty EXTRA_TEXT");
  }
  contents = theContents;
  // We only do QR code.
  format = BarcodeFormat.QR_CODE;
  if (intent.hasExtra(Intent.EXTRA_SUBJECT)) {
    displayContents = intent.getStringExtra(Intent.EXTRA_SUBJECT);
  } else if (intent.hasExtra(Intent.EXTRA_TITLE)) {
    displayContents = intent.getStringExtra(Intent.EXTRA_TITLE);
  } else {
    displayContents = contents;
  }
  title = activity.getString(R.string.contents_text);
}

源代码19 项目： Tesseract-OCR-Scanner 文件： QRCodeMultiReader.java


@Override
public Result[] decodeMultiple(BinaryBitmap image, Map<DecodeHintType,?> hints) throws NotFoundException {
  List<Result> results = new ArrayList<>();
  DetectorResult[] detectorResults = new MultiDetector(image.getBlackMatrix()).detectMulti(hints);
  for (DetectorResult detectorResult : detectorResults) {
    try {
      DecoderResult decoderResult = getDecoder().decode(detectorResult.getBits(), hints);
      ResultPoint[] points = detectorResult.getPoints();
      // If the code was mirrored: swap the bottom-left and the top-right points.
      if (decoderResult.getOther() instanceof QRCodeDecoderMetaData) {
        ((QRCodeDecoderMetaData) decoderResult.getOther()).applyMirroredCorrection(points);
      }
      Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points,
                                 BarcodeFormat.QR_CODE);
      List<byte[]> byteSegments = decoderResult.getByteSegments();
      if (byteSegments != null) {
        result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
      }
      String ecLevel = decoderResult.getECLevel();
      if (ecLevel != null) {
        result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
      }
      if (decoderResult.hasStructuredAppend()) {
        result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_SEQUENCE,
                           decoderResult.getStructuredAppendSequenceNumber());
        result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_PARITY,
                           decoderResult.getStructuredAppendParity());
      }
      results.add(result);
    } catch (ReaderException re) {
      // ignore and continue 
    }
  }
  if (results.isEmpty()) {
    return EMPTY_RESULT_ARRAY;
  } else {
    results = processStructuredAppend(results);
    return results.toArray(new Result[results.size()]);
  }
}

源代码20 项目： analyzer-of-android-for-Apache-Weex 文件： QRCodeEncoder.java


private void encodeFromStreamExtra(Intent intent) throws WriterException {
  format = BarcodeFormat.QR_CODE;
  Bundle bundle = intent.getExtras();
  if (bundle == null) {
    throw new WriterException("No extras");
  }
  Uri uri = bundle.getParcelable(Intent.EXTRA_STREAM);
  if (uri == null) {
    throw new WriterException("No EXTRA_STREAM");
  }
  byte[] vcard;
  String vcardString;
  InputStream stream = null;
  try {
    stream = activity.getContentResolver().openInputStream(uri);
    if (stream == null) {
      throw new WriterException("Can't open stream for " + uri);
    }
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[2048];
    int bytesRead;
    while ((bytesRead = stream.read(buffer)) > 0) {
      baos.write(buffer, 0, bytesRead);
    }
    vcard = baos.toByteArray();
    vcardString = new String(vcard, 0, vcard.length, "UTF-8");
  } catch (IOException ioe) {
    throw new WriterException(ioe);
  } finally {
    if (stream != null) {
      try {
        stream.close();
      } catch (IOException e) {
        // continue
      }
    }
  }
  Log.d(TAG, "Encoding share intent content:");
  Log.d(TAG, vcardString);
  Result result = new Result(vcardString, vcard, null, BarcodeFormat.QR_CODE);
  ParsedResult parsedResult = ResultParser.parseResult(result);
  if (!(parsedResult instanceof AddressBookParsedResult)) {
    throw new WriterException("Result was not an address");
  }
  encodeQRCodeContents((AddressBookParsedResult) parsedResult);
  if (contents == null || contents.isEmpty()) {
    throw new WriterException("No content to encode");
  }
}

方法所在类

com.google.zxing.BarcodeFormat