下面列出了怎么用com.google.zxing.BarcodeFormat的API类实例代码及写法，或者点击链接到github查看源代码。
public static Bitmap transform(byte[] inputData) {
String encoded;
encoded = Base64.encodeToString(inputData, Base64.DEFAULT);
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
Bitmap bitmap = null;
try {
BitMatrix bitMatrix = multiFormatWriter.encode(encoded, BarcodeFormat.QR_CODE, 1000, 1000);
BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
bitmap = barcodeEncoder.createBitmap(bitMatrix);
} catch (WriterException e) {
Timber.e(e);
}
return bitmap;
}
Result decodeRow(int rowNumber, BitArray row, int[] extensionStartRange) throws NotFoundException {
StringBuilder result = decodeRowStringBuffer;
result.setLength(0);
int end = decodeMiddle(row, extensionStartRange, result);
String resultString = result.toString();
Map<ResultMetadataType,Object> extensionData = parseExtensionString(resultString);
Result extensionResult =
new Result(resultString,
null,
new ResultPoint[] {
new ResultPoint((extensionStartRange[0] + extensionStartRange[1]) / 2.0f, rowNumber),
new ResultPoint(end, rowNumber),
},
BarcodeFormat.UPC_EAN_EXTENSION);
if (extensionData != null) {
extensionResult.putAllMetadata(extensionData);
}
return extensionResult;
}
public Bitmap generateQRCode(String text) {
Bitmap bmp = null;
Hashtable<EncodeHintType, ErrorCorrectionLevel> hintMap = new Hashtable<EncodeHintType, ErrorCorrectionLevel>();
hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H); // H = 30% damage
int size = 256;
BitMatrix bitMatrix = null;
try {
bitMatrix = new QRCodeWriter().encode(text, BarcodeFormat.QR_CODE, size, size, hintMap);
int width = bitMatrix.getWidth();
bmp = Bitmap.createBitmap(width, width, Bitmap.Config.RGB_565);
for (int x = 0; x < width; x++) {
for (int y = 0; y < width; y++) {
bmp.setPixel(y, x, bitMatrix.get(x, y) == true ? Color.BLACK : Color.WHITE);
}
}
} catch (WriterException e) {
e.printStackTrace();
}
return bmp;
}
/**
* 生成包含字符串信息的二维码图片
*
* @param outputStream 文件输出流路径
* @param content 二维码携带信息
* @param qrCodeSize 二维码图片大小
* @param imageFormat 二维码的格式
* @throws WriterException
* @throws IOException
*/
public static boolean createQrCode(OutputStream outputStream, String content, int qrCodeSize, String imageFormat) throws WriterException, IOException {
//设置二维码纠错级别ＭＡＰ
Hashtable<EncodeHintType, ErrorCorrectionLevel> hintMap = new Hashtable<EncodeHintType, ErrorCorrectionLevel>();
hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L); // 矫错级别
QRCodeWriter qrCodeWriter = new QRCodeWriter();
//创建比特矩阵(位矩阵)的QR码编码的字符串
BitMatrix byteMatrix = qrCodeWriter.encode(content, BarcodeFormat.QR_CODE, qrCodeSize, qrCodeSize, hintMap);
// 使BufferedImage勾画QRCode (matrixWidth 是行二维码像素点)
int matrixWidth = byteMatrix.getWidth();
BufferedImage image = new BufferedImage(matrixWidth - 200, matrixWidth - 200, BufferedImage.TYPE_INT_RGB);
image.createGraphics();
Graphics2D graphics = (Graphics2D) image.getGraphics();
graphics.setColor(Color.WHITE);
graphics.fillRect(0, 0, matrixWidth, matrixWidth);
// 使用比特矩阵画并保存图像
graphics.setColor(Color.BLACK);
for (int i = 0; i < matrixWidth; i++) {
for (int j = 0; j < matrixWidth; j++) {
if (byteMatrix.get(i, j)) {
graphics.fillRect(i - 100, j - 100, 1, 1);
}
}
}
return ImageIO.write(image, imageFormat, outputStream);
}
static Result constructResult(List<ExpandedPair> pairs) throws NotFoundException, FormatException {
BitArray binary = BitArrayBuilder.buildBitArray(pairs);
AbstractExpandedDecoder decoder = AbstractExpandedDecoder.createDecoder(binary);
String resultingString = decoder.parseInformation();
ResultPoint[] firstPoints = pairs.get(0).getFinderPattern().getResultPoints();
ResultPoint[] lastPoints = pairs.get(pairs.size() - 1).getFinderPattern().getResultPoints();
return new Result(
resultingString,
null,
new ResultPoint[]{firstPoints[0], firstPoints[1], lastPoints[0], lastPoints[1]},
BarcodeFormat.RSS_EXPANDED
);
}
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;
}
public static Bitmap generateCode(String data, BarcodeFormat format, Map<EncodeHintType,?> hints) {
try {
MultiFormatWriter writer = new MultiFormatWriter();
BitMatrix result = writer.encode(data, format, 100, 100, hints);
int width = result.getWidth();
int height = result.getHeight();
int[] pixels = new int[width * height];
// All are 0, or black, by default
for (int y = 0; y < height; y++) {
int offset = y * width;
for (int x = 0; x < width; x++) {
pixels[offset + x] = result.get(x, y) ? Color.BLACK : Color.WHITE;
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
} catch (WriterException e) {
return null;
}
}
/**
* 根据url生成二位图片对象
*
* @param codeUrl
* @return
* @throws WriterException
*/
public static BufferedImage getQRCodeImge(String codeUrl) throws WriterException {
Map<EncodeHintType, Object> hints = new Hashtable();
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
hints.put(EncodeHintType.CHARACTER_SET, "UTF8");
int width = 256;
BitMatrix bitMatrix = (new MultiFormatWriter()).encode(codeUrl, BarcodeFormat.QR_CODE, width, width, hints);
BufferedImage image = new BufferedImage(width, width, 1);
for(int x = 0; x < width; ++x) {
for(int y = 0; y < width; ++y) {
image.setRGB(x, y, bitMatrix.get(x, y) ? -16777216 : -1);
}
}
return image;
}
/**
*二维码实现
* @param msg /二维码包含的信息
* @param path /二维码存放路径
*/
public static void getBarCode(String msg,String path){
try {
File file=new File(path);
OutputStream ous=new FileOutputStream(file);
if(StringUtils.isEmpty(msg) || ous==null)
return;
String format = "png";
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
Map<EncodeHintType,String> map =new HashMap<EncodeHintType, String>();
//设置编码 EncodeHintType类中可以设置MAX_SIZE， ERROR_CORRECTION，CHARACTER_SET，DATA_MATRIX_SHAPE，AZTEC_LAYERS等参数
map.put(EncodeHintType.CHARACTER_SET,"UTF-8");
map.put(EncodeHintType.MARGIN,"1");
//生成二维码
BitMatrix bitMatrix = new MultiFormatWriter().encode(msg, BarcodeFormat.QR_CODE,300,300,map);
MatrixToImageWriter.writeToStream(bitMatrix,format,ous);
}catch (Exception e) {
e.printStackTrace();
}
}
public CaptureActivityHandler(QrCodeScanActivity activity,
Collection<BarcodeFormat> decodeFormats,
Map<DecodeHintType, ?> baseHints,
String characterSet,
CameraManager cameraManager) {
this.activity = activity;
decodeThread = new DecodeThread(activity, decodeFormats, baseHints, characterSet,
new ViewfinderResultPointCallback(activity.getViewfinderView()));
decodeThread.start();
state = State.SUCCESS;
// Start ourselves capturing previews and decoding.
this.cameraManager = cameraManager;
cameraManager.startPreview();
restartPreviewAndDecode();
}
Result decodeRow(int rowNumber, BitArray row, int[] extensionStartRange) throws NotFoundException {
StringBuilder result = decodeRowStringBuffer;
result.setLength(0);
int end = decodeMiddle(row, extensionStartRange, result);
String resultString = result.toString();
Map<ResultMetadataType,Object> extensionData = parseExtensionString(resultString);
Result extensionResult =
new Result(resultString,
null,
new ResultPoint[] {
new ResultPoint((extensionStartRange[0] + extensionStartRange[1]) / 2.0f, (float) rowNumber),
new ResultPoint((float) end, (float) rowNumber),
},
BarcodeFormat.UPC_EAN_EXTENSION);
if (extensionData != null) {
extensionResult.putAllMetadata(extensionData);
}
return extensionResult;
}
private static Result[] decode(BinaryBitmap image, Map<DecodeHintType, ?> hints, boolean multiple)
throws NotFoundException, FormatException, ChecksumException {
List<Result> results = new ArrayList<>();
PDF417DetectorResult detectorResult = Detector.detect(image, hints, multiple);
for (ResultPoint[] points : detectorResult.getPoints()) {
DecoderResult decoderResult = PDF417ScanningDecoder.decode(detectorResult.getBits(), points[4], points[5],
points[6], points[7], getMinCodewordWidth(points), getMaxCodewordWidth(points));
Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points, BarcodeFormat.PDF_417);
result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, decoderResult.getECLevel());
PDF417ResultMetadata pdf417ResultMetadata = (PDF417ResultMetadata) decoderResult.getOther();
if (pdf417ResultMetadata != null) {
result.putMetadata(ResultMetadataType.PDF417_EXTRA_METADATA, pdf417ResultMetadata);
}
results.add(result);
}
return results.toArray(new Result[results.size()]);
}
DecodeThread(CaptureActivity activity,
Vector<BarcodeFormat> decodeFormats,
String characterSet,
ResultPointCallback resultPointCallback) {
this.activity = activity;
handlerInitLatch = new CountDownLatch(1);
hints = new Hashtable<DecodeHintType, Object>(3);
if (decodeFormats == null || decodeFormats.isEmpty()) {
decodeFormats = new Vector<BarcodeFormat>();
decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS);
decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS);
decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS);
}
hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
if (characterSet != null) {
hints.put(DecodeHintType.CHARACTER_SET, characterSet);
}
hints.put(DecodeHintType.NEED_RESULT_POINT_CALLBACK, resultPointCallback);
}
public static Bitmap createQRCode(String str, int widthAndHeight) throws WriterException {
Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
BitMatrix matrix = new MultiFormatWriter().encode(str,
BarcodeFormat.QR_CODE, widthAndHeight, widthAndHeight);
int width = matrix.getWidth();
int height = matrix.getHeight();
int[] pixels = new int[width * height];
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
if (matrix.get(x, y)) {
pixels[y * width + x] = BLACK;
}
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height,
Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
public MultiFormatUPCEANReader(Map<DecodeHintType,?> hints) {
@SuppressWarnings("unchecked")
Collection<BarcodeFormat> possibleFormats = hints == null ? null :
(Collection<BarcodeFormat>) hints.get(DecodeHintType.POSSIBLE_FORMATS);
Collection<UPCEANReader> readers = new ArrayList<>();
if (possibleFormats != null) {
if (possibleFormats.contains(BarcodeFormat.EAN_13)) {
readers.add(new EAN13Reader());
} else if (possibleFormats.contains(BarcodeFormat.UPC_A)) {
readers.add(new UPCAReader());
}
if (possibleFormats.contains(BarcodeFormat.EAN_8)) {
readers.add(new EAN8Reader());
}
if (possibleFormats.contains(BarcodeFormat.UPC_E)) {
readers.add(new UPCEReader());
}
}
if (readers.isEmpty()) {
readers.add(new EAN13Reader());
// UPC-A is covered by EAN-13
readers.add(new EAN8Reader());
readers.add(new UPCEReader());
}
this.readers = readers.toArray(new UPCEANReader[readers.size()]);
}
Bitmap encodeAsBitmap(String str, String qrColor) throws WriterException {
BitMatrix result;
try {
Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>();
hints.put(EncodeHintType.MARGIN, 0);
result = new MultiFormatWriter().encode(str,
BarcodeFormat.QR_CODE, qrimage.getWidth(), qrimage.getHeight(), hints);
} catch (IllegalArgumentException iae) {
// Unsupported format
return null;
}
int w = qrimage.getWidth();
int h = qrimage.getHeight();
int[] pixels = new int[w * h];
for (int y = 0; y < h; y++) {
int offset = y * (w);
for (int x = 0; x < w; x++) {
pixels[offset + x] = result.get(x, y) ? Color.parseColor(qrColor) : Color.WHITE;
}
}
Bitmap bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, w, 0, 0, w, h);
return bitmap;
}
public List<HistoryItem> buildHistoryItems() {
SQLiteOpenHelper helper = new DBHelper(activity);
List<HistoryItem> items = new ArrayList<HistoryItem>();
SQLiteDatabase db = null;
Cursor cursor = null;
try {
db = helper.getReadableDatabase();
cursor = db.query(DBHelper.TABLE_NAME, COLUMNS, null, null, null, null, DBHelper.TIMESTAMP_COL + " DESC");
while (cursor.moveToNext()) {
String text = cursor.getString(0);
String display = cursor.getString(1);
String format = cursor.getString(2);
long timestamp = cursor.getLong(3);
String details = cursor.getString(4);
Result result = new Result(text, null, null, BarcodeFormat.valueOf(format), timestamp);
items.add(new HistoryItem(result, display, details));
}
} finally {
close(cursor, db);
}
return items;
}
public MultiFormatUPCEANReader(Map<DecodeHintType,?> hints) {
@SuppressWarnings("unchecked")
Collection<BarcodeFormat> possibleFormats = hints == null ? null :
(Collection<BarcodeFormat>) hints.get(DecodeHintType.POSSIBLE_FORMATS);
Collection<UPCEANReader> readers = new ArrayList<>();
if (possibleFormats != null) {
if (possibleFormats.contains(BarcodeFormat.EAN_13)) {
readers.add(new EAN13Reader());
} else if (possibleFormats.contains(BarcodeFormat.UPC_A)) {
readers.add(new UPCAReader());
}
if (possibleFormats.contains(BarcodeFormat.EAN_8)) {
readers.add(new EAN8Reader());
}
if (possibleFormats.contains(BarcodeFormat.UPC_E)) {
readers.add(new UPCEReader());
}
}
if (readers.isEmpty()) {
readers.add(new EAN13Reader());
// UPC-A is covered by EAN-13
readers.add(new EAN8Reader());
readers.add(new UPCEReader());
}
this.readers = readers.toArray(new UPCEANReader[readers.size()]);
}
DecodeThread(MainActivity activity,
Vector<BarcodeFormat> decodeFormats,
String characterSet,
ResultPointCallback resultPointCallback) {
this.activity = activity;
handlerInitLatch = new CountDownLatch(1);
hints = new Hashtable<DecodeHintType, Object>(3);
if (decodeFormats == null || decodeFormats.isEmpty()) {
decodeFormats = new Vector<BarcodeFormat>();
decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS);
decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS);
decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS);
}
hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
if (characterSet != null) {
hints.put(DecodeHintType.CHARACTER_SET, characterSet);
}
hints.put(DecodeHintType.NEED_RESULT_POINT_CALLBACK, resultPointCallback);
}
public List<HistoryItem> buildHistoryItems() {
SQLiteOpenHelper helper = new DBHelper(activity);
List<HistoryItem> items = new ArrayList<>();
SQLiteDatabase db = null;
Cursor cursor = null;
try {
db = helper.getReadableDatabase();
cursor = db.query(DBHelper.TABLE_NAME, COLUMNS, null, null, null, null, DBHelper.TIMESTAMP_COL + " DESC");
while (cursor.moveToNext()) {
String text = cursor.getString(0);
String display = cursor.getString(1);
String format = cursor.getString(2);
long timestamp = cursor.getLong(3);
String details = cursor.getString(4);
Result result = new Result(text, null, null, BarcodeFormat.valueOf(format), timestamp);
items.add(new HistoryItem(result, display, details));
}
} finally {
close(cursor, db);
}
return items;
}
/**
* Encode the contents following specified format. {@code width} and
* {@code height} are required size. This method may return bigger size
* {@code BitMatrix} when specified size is too small. The user can set both
* {@code width} and {@code height} to zero to get minimum size barcode. If
* negative value is set to {@code width} or {@code height},
* {@code IllegalArgumentException} is thrown.
*/
@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 (width < 0 || height < 0) {
throw new IllegalArgumentException("Negative size is not allowed. Input: " + width + 'x' + height);
}
int sidesMargin = getDefaultMargin();
if (hints != null) {
Integer sidesMarginInt = (Integer) hints.get(EncodeHintType.MARGIN);
if (sidesMarginInt != null) {
sidesMargin = sidesMarginInt;
}
}
boolean[] code = encode(contents);
return renderResult(code, width, height, sidesMargin);
}
/**
* This method creates a picture of the scanned qr code
*/
private void showQrImage() {
multiFormatWriter = new MultiFormatWriter();
Map<EncodeHintType, Object> hintMap = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
hintMap.put(EncodeHintType.CHARACTER_SET, "UTF-8");
hintMap.put(EncodeHintType.MARGIN, 1); /* default = 4 */
hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
try{
BarcodeFormat format = generalHandler.StringToBarcodeFormat(selectedFormat);
BitMatrix bitMatrix = multiFormatWriter.encode(selectedCode, format, 250,250, hintMap);
BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
bitmap = barcodeEncoder.createBitmap(bitMatrix);
codeImage.setImageBitmap(bitmap);
} catch (Exception e){
codeImage.setVisibility(View.GONE);
}
}
/**
* 将内容contents生成长为width，宽为width的图片,返回刘文静
*/
public static ServletOutputStream getQRCodeImge(String contents, int width, int height) throws IOException {
ServletOutputStream stream = null;
try {
Map<EncodeHintType, Object> hints = Maps.newHashMap();
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
hints.put(EncodeHintType.CHARACTER_SET, "UTF8");
BitMatrix bitMatrix = new MultiFormatWriter().encode(contents, BarcodeFormat.QR_CODE, width, height, hints);
MatrixToImageWriter.writeToStream(bitMatrix, "png", stream);
return stream;
} catch (Exception e) {
log.error("create QR code error!", e);
return null;
} finally {
if (stream != null) {
stream.close();
}
}
}
Result decodeRow(int rowNumber, BitArray row, int[] extensionStartRange) throws NotFoundException {
StringBuilder result = decodeRowStringBuffer;
result.setLength(0);
int end = decodeMiddle(row, extensionStartRange, result);
String resultString = result.toString();
Map<ResultMetadataType,Object> extensionData = parseExtensionString(resultString);
Result extensionResult =
new Result(resultString,
null,
new ResultPoint[] {
new ResultPoint((extensionStartRange[0] + extensionStartRange[1]) / 2.0f, rowNumber),
new ResultPoint(end, rowNumber),
},
BarcodeFormat.UPC_EAN_EXTENSION);
if (extensionData != null) {
extensionResult.putAllMetadata(extensionData);
}
return extensionResult;
}
public List<HistoryItem> buildHistoryItems() {
SQLiteOpenHelper helper = new DBHelper(activity);
List<HistoryItem> items = new ArrayList<HistoryItem>();
SQLiteDatabase db = null;
Cursor cursor = null;
try {
db = helper.getReadableDatabase();
cursor = db.query(DBHelper.TABLE_NAME, COLUMNS, null, null, null, null, DBHelper.TIMESTAMP_COL + " DESC");
while (cursor.moveToNext()) {
String text = cursor.getString(0);
String display = cursor.getString(1);
String format = cursor.getString(2);
long timestamp = cursor.getLong(3);
String details = cursor.getString(4);
Result result = new Result(text, null, null, BarcodeFormat.valueOf(format), timestamp);
items.add(new HistoryItem(result, display, details));
}
} finally {
close(cursor, db);
}
return items;
}
DecodeHandler(QrCodeActivity activity) {
this.mActivity = activity;
mMultiFormatReader = new MultiFormatReader();
mHints = new Hashtable<>();
mHints.put(DecodeHintType.CHARACTER_SET, "utf-8");
mHints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
Collection<BarcodeFormat> barcodeFormats = new ArrayList<>();
barcodeFormats.add(BarcodeFormat.QR_CODE);
barcodeFormats.add(BarcodeFormat.CODE_39);
barcodeFormats.add(BarcodeFormat.CODE_93);
barcodeFormats.add(BarcodeFormat.CODE_128);
mHints.put(DecodeHintType.POSSIBLE_FORMATS, barcodeFormats);
}
private void generateQR() {
mQrPath = StorageUtil.getShareQrCodeFile();
String qrContent = StringUtils.formatTxFromResId(R.string.share_qr_content, mSelfAddress);
LogUtil.i(TAG, "share qr content:" + qrContent);
int qrCodeSize = 800;
QRCodeEncode qrCodeEncoder =
new QRCodeEncode(qrContent, null, Contents.Type.TEXT, BarcodeFormat.QR_CODE.toString(),
qrCodeSize);
try {
ImageUtils.compressBitmap(qrCodeEncoder.encodeAsBitmap(), mQrPath);
} catch (WriterException e) {
e.printStackTrace();
}
mShareView.showQr(mQrPath);
}
private String generateQR(String tokId) {
String outPath = StorageUtil.getQrCodeFile();
int qrCodeSize = 800;
QRCodeEncode qrCodeEncoder =
new QRCodeEncode(tokId, null, Contents.Type.TEXT, BarcodeFormat.QR_CODE.toString(),
qrCodeSize);
try {
ImageUtils.compressBitmap(qrCodeEncoder.encodeAsBitmap(), outPath);
} catch (WriterException e) {
e.printStackTrace();
}
return outPath;
}
static Vector<BarcodeFormat> parseDecodeFormats(Uri inputUri) {
List<String> formats = inputUri.getQueryParameters(Intents.Scan.SCAN_FORMATS);
if (formats != null && formats.size() == 1 && formats.get(0) != null){
formats = Arrays.asList(COMMA_PATTERN.split(formats.get(0)));
}
return parseDecodeFormats(formats, inputUri.getQueryParameter(Intents.Scan.MODE));
}
public static Collection<BarcodeFormat> parseDecodeFormats(Uri inputUri) {
List<String> formats = inputUri.getQueryParameters(Intents.Scan.FORMATS);
if (formats != null && formats.size() == 1 && formats.get(0) != null){
formats = Arrays.asList(COMMA_PATTERN.split(formats.get(0)));
}
return parseDecodeFormats(formats, inputUri.getQueryParameter(Intents.Scan.MODE));
}