下面列出了com.google.zxing.MultiFormatWriter#encode ( ) 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。
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;
}
public Bitmap encodeAsBitmap() throws WriterException {
if (!encoded) return null;
Map<EncodeHintType, Object> hints = null;
String encoding = guessAppropriateEncoding(contents);
if (encoding != null) {
hints = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
hints.put(EncodeHintType.CHARACTER_SET, encoding);
}
MultiFormatWriter writer = new MultiFormatWriter();
BitMatrix result = writer.encode(contents, format, dimension, dimension, 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) ? BLACK : WHITE;
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
/**
* 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);
}
}
/**
* 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(qrcodeFormat);
BitMatrix bitMatrix = multiFormatWriter.encode(qrcode, format, 250,250, hintMap);
BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
bitmap = barcodeEncoder.createBitmap(bitMatrix);
codeImage.setImageBitmap(bitmap);
} catch (Exception e){
codeImage.setVisibility(View.GONE);
}
}
public static Bitmap textToBarCode(String data) {
MultiFormatWriter writer = new MultiFormatWriter();
String finaldata = Uri.encode(data, "utf-8");
BitMatrix bm = null;
try {
bm = writer.encode(finaldata, BarcodeFormat.CODE_128, 150, 150);
} catch (WriterException e) {
e.printStackTrace();
}
Bitmap bitmap = Bitmap.createBitmap(180, 40, Bitmap.Config.ARGB_8888);
for (int i = 0; i < 180; i++) {//width
for (int j = 0; j < 40; j++) {//height
bitmap.setPixel(i, j, bm.get(i, j) ? BLACK : WHITE);
}
}
return bitmap;
}
private void generateQR(Setup setup) throws Exception {
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
int data_length = 0;
try {
JSONObject obj = Settings.toJsonObject(setup);
String data = encodeSetup(obj);
data_length = data.length();
// data has to be a string
BitMatrix bitMatrix = multiFormatWriter.encode(data, BarcodeFormat.QR_CODE, 1080, 1080);
BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
Bitmap bitmap = barcodeEncoder.createBitmap(bitMatrix);
((ImageView) findViewById(R.id.QRView)).setImageBitmap(bitmap);
} catch (WriterException e) {
Toast.makeText(this, e.getMessage() + " (" + data_length + " Bytes)", Toast.LENGTH_LONG).show();
finish();
}
}
/**
* 二维码信息写成JPG BufferedImage
*
* @param content
* @param width
* @param height
* @return
*/
public static BufferedImage writeInfoToJpgBuffImg(String content, int width, int height) {
if (width < 250) {
width = 250;
}
if (height < 250) {
height = 250;
}
BufferedImage re = null;
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
Map hints = new HashMap();
hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
try {
BitMatrix bitMatrix = multiFormatWriter.encode(content,
BarcodeFormat.QR_CODE, width, height, hints);
re = MatrixToImageWriter.toBufferedImage(bitMatrix);
} catch (Exception e) {
e.printStackTrace();
}
return re;
}
public Bitmap encodeAsBitmap() throws WriterException {
if (!encoded) return null;
Map<EncodeHintType, Object> hints = null;
String encoding = guessAppropriateEncoding(contents);
if (encoding != null) {
hints = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
hints.put(EncodeHintType.CHARACTER_SET, encoding);
}
MultiFormatWriter writer = new MultiFormatWriter();
BitMatrix result = writer.encode(contents, format, dimension, dimension, 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) ? BLACK : WHITE;
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
/**
* Encode text content
*
* @param content Text to be encoded
* @param format Result barcode format
* @param width Result image width
* @param height Result image height
* @param hints Encoder hints
* @return Barcode bit matrix, if it was encoded successfully, {@code null} otherwise
* @see EncodeHintType
* @see BitMatrix
*/
@Nullable
public static BitMatrix encodeBitMatrix(@NonNull final String content,
@NonNull final BarcodeFormat format, final int width, final int height,
@Nullable final Map<EncodeHintType, ?> hints) {
Objects.requireNonNull(content);
Objects.requireNonNull(format);
final MultiFormatWriter writer = new MultiFormatWriter();
try {
if (hints != null) {
return writer.encode(content, format, width, height, hints);
} else {
return writer.encode(content, format, width, height);
}
} catch (final WriterException e) {
return null;
}
}
public Bitmap encodeAsBitmap() throws WriterException {
if (!encoded)
return null;
Map<EncodeHintType, Object> hints = null;
String encoding = guessAppropriateEncoding(contents);
if (encoding != null) {
hints = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
hints.put(EncodeHintType.CHARACTER_SET, encoding);
}
MultiFormatWriter writer = new MultiFormatWriter();
BitMatrix result = writer.encode(contents, format, dimension, dimension, 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) ? BLACK : WHITE;
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
public Bitmap encodeAsBitmap() throws WriterException {
if (!encoded) return null;
Map<EncodeHintType, Object> hints = null;
String encoding = guessAppropriateEncoding(contents);
if (encoding != null) {
hints = new EnumMap<>(EncodeHintType.class);
hints.put(EncodeHintType.CHARACTER_SET, encoding);
}
MultiFormatWriter writer = new MultiFormatWriter();
BitMatrix result = writer.encode(contents, format, dimension, dimension, hints);
int width = result.getWidth();
int height = result.getHeight();
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
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) ? BLACK : WHITE;
//bitmap.setPixel(x,y,result.get(x, y) ? BLACK : WHITE);
}
}
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
public void generateBarcode(Product product) {
String text = createRandomInteger(); // Whatever you need to encode in the QR code
product.setBarCode(text);
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
try {
BitMatrix bitMatrix = multiFormatWriter.encode(text, BarcodeFormat.CODABAR, 380, 100);
BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
Bitmap bitmap = barcodeEncoder.createBitmap(bitMatrix);
binding.barCode.setImageBitmap(bitmap);
} catch (WriterException e) {
e.printStackTrace();
}
}
public void setBarcode(String barCodeNumber) {
String text = barCodeNumber + ""; // Whatever you need to encode in the QR code
Log.d(ContentValues.TAG, "generateBarcode: " + text);
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
try {
BitMatrix bitMatrix = multiFormatWriter.encode(text, BarcodeFormat.CODABAR, 380, 100);
BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
Bitmap bitmap = barcodeEncoder.createBitmap(bitMatrix);
binding.barCode.setImageBitmap(bitmap);
} catch (WriterException e) {
e.printStackTrace();
}
}
public static Bitmap strToQR(String str, int width, int height) {
if(str == null || str.equals("")) {
return null;
}
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
try {
BitMatrix bitMatrix = multiFormatWriter.encode(str, BarcodeFormat.QR_CODE,width,height);
BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
return barcodeEncoder.createBitmap(bitMatrix);
} catch (WriterException e) {
e.printStackTrace();
}
return null;
}
public static Bitmap createBarCode(CharSequence content, int BAR_WIDTH, int BAR_HEIGHT, int backgroundColor, int codeColor) {
/**
* 条形码的编码类型
*/
BarcodeFormat barcodeFormat = BarcodeFormat.CODE_128;
final int backColor = backgroundColor;
final int barCodeColor = codeColor;
MultiFormatWriter writer = new MultiFormatWriter();
BitMatrix result = null;
try {
result = writer.encode(content + "", barcodeFormat, BAR_WIDTH, BAR_HEIGHT, null);
} catch (WriterException e) {
e.printStackTrace();
}
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) ? barCodeColor : backColor;
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
GeneralHandler generalHandler = new GeneralHandler(this);
generalHandler.loadTheme();
setContentView(R.layout.activity_generator_result);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
codeImage = (ImageView) findViewById(R.id.resultImage);
btnSave = (Button) findViewById(R.id.btnSave);
Intent intent = getIntent();
Bundle bundle = intent.getExtras();
text2Code = intent.getStringExtra("CODE");
formatInt = bundle.getInt("FORMAT");
format = generalHandler.idToBarcodeFormat(formatInt);
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{
BitMatrix bitMatrix = multiFormatWriter.encode(text2Code, format, 1000,1000, hintMap);
BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
bitmap = barcodeEncoder.createBitmap(bitMatrix);
codeImage.setImageBitmap(bitmap);
} catch (Exception e){
Toast.makeText(getApplicationContext(), getResources().getText(R.string.error_generate), Toast.LENGTH_SHORT).show();
finish();
}
btnSave.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
requestPermission();
}
});
}
/**
* 绘制条形码
*
* @param content 要生成条形码包含的内容
* @param widthPix 条形码的宽度
* @param heightPix 条形码的高度
* @param isShowContent 否则显示条形码包含的内容
* @return 返回生成条形的位图
*/
public static Bitmap createBarcode(String content, int widthPix, int heightPix, boolean isShowContent) {
if (TextUtils.isEmpty(content)) {
return null;
}
//配置参数
Map<EncodeHintType, Object> hints = new HashMap<>();
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
// 容错级别 这里选择最高H级别
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
MultiFormatWriter writer = new MultiFormatWriter();
try {
// 图像数据转换，使用了矩阵转换 参数顺序分别为：编码内容，编码类型，生成图片宽度，生成图片高度，设置参数
BitMatrix bitMatrix = writer.encode(content, BarcodeFormat.CODE_128, widthPix, heightPix, hints);
//增加：把宽度修改我们修改过后的真实的宽度
widthPix = bitMatrix.getWidth();
// Log.e("zmm", "---------->" + widthPix + "--->" + height);
int[] pixels = new int[widthPix * heightPix];
// 下面这里按照条形码的算法，逐个生成条形码的图片，
// 两个for循环是图片横列扫描的结果
for (int y = 0; y < heightPix; y++) {
for (int x = 0; x < widthPix; x++) {
if (bitMatrix.get(x, y)) {
pixels[y * widthPix + x] = 0xff000000; // 黑色
} else {
pixels[y * widthPix + x] = 0xffffffff;// 白色
}
}
}
Bitmap bitmap = Bitmap.createBitmap(widthPix, heightPix, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, widthPix, 0, 0, widthPix, heightPix);
if (isShowContent) {
bitmap = showContent(bitmap, content);
}
return bitmap;
} catch (WriterException e) {
e.printStackTrace();
}
return null;
}
/**
*生成带logo的二维码图片
* @param logoFile /logo图片文件
* @param codeFile /二维码图片
* @param qrUrl /二维码存储的信息：vcard格式
* @param note /二维码描述信息
*/
public static void drawLogoQRCode(File logoFile, File codeFile, String qrUrl, String note) {
try {
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
// 参数顺序分别为：编码内容，编码类型，生成图片宽度，生成图片高度，设置参数
BitMatrix bm = multiFormatWriter.encode(qrUrl, BarcodeFormat.QR_CODE, WIDTH, HEIGHT, hints);
BufferedImage image = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);
// 开始利用二维码数据创建Bitmap图片，分别设为黑（0xFFFFFFFF）白（0xFF000000）两色
for (int x = 0; x < WIDTH; x++) {
for (int y = 0; y < HEIGHT; y++) {
image.setRGB(x, y, bm.get(x, y) ? QRCOLOR : BGWHITE);
}
}
int width = image.getWidth();
int height = image.getHeight();
if (Objects.nonNull(logoFile) && logoFile.exists()) {
// 构建绘图对象
Graphics2D g = image.createGraphics();
// 读取Logo图片
BufferedImage logo = ImageIO.read(logoFile);
// 开始绘制logo图片
g.drawImage(logo, width * 2 / 5, height * 2 / 5, width * 2 / 10, height * 2 / 10, null);
g.dispose();
logo.flush();
}
// 自定义文本描述
if (StringUtils.isNotEmpty(note)) {
// 新的图片，把带logo的二维码下面加上文字
BufferedImage outImage = new BufferedImage(400, 445, BufferedImage.TYPE_4BYTE_ABGR);
Graphics2D outg = outImage.createGraphics();
// 画二维码到新的面板
outg.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
// 画文字到新的面板
outg.setColor(Color.BLACK);
outg.setFont(new Font("楷体", Font.BOLD, 30)); // 字体、字型、字号
int strWidth = outg.getFontMetrics().stringWidth(note);
if (strWidth > WIDTH) {
// //长度过长就截取前面部分
// 长度过长就换行
String note1 = note.substring(0, note.length() / 2);
String note2 = note.substring(note.length() / 2, note.length());
int strWidth1 = outg.getFontMetrics().stringWidth(note1);
int strWidth2 = outg.getFontMetrics().stringWidth(note2);
outg.drawString(note1, 200 - strWidth1 / 2, height + (outImage.getHeight() - height) / 2 + 12);
BufferedImage outImage2 = new BufferedImage(400, 485, BufferedImage.TYPE_4BYTE_ABGR);
Graphics2D outg2 = outImage2.createGraphics();
outg2.drawImage(outImage, 0, 0, outImage.getWidth(), outImage.getHeight(), null);
outg2.setColor(Color.BLACK);
outg2.setFont(new Font("宋体", Font.BOLD, 30)); // 字体、字型、字号
outg2.drawString(note2, 200 - strWidth2 / 2,outImage.getHeight() + (outImage2.getHeight() - outImage.getHeight()) / 2 + 5);
outg2.dispose();
outImage2.flush();
outImage = outImage2;
} else {
outg.drawString(note, 200 - strWidth / 2, height + (outImage.getHeight() - height) / 2 + 12); // 画文字
}
outg.dispose();
outImage.flush();
image = outImage;
}
image.flush();
ImageIO.write(image, "png", codeFile); // TODO
if (Objects.nonNull(logoFile) && logoFile.exists()) {
logoFile.delete();
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
*生成带logo的二维码图片
* @param logoFile /logo图片文件
* @param codeFile /二维码图片
* @param qrUrl /二维码存储的信息：vcard格式
* @param note /二维码描述信息
*/
public static byte[] drawLogoQRCodeByte(BufferedImage logo, ByteArrayOutputStream codeFile, String qrUrl, String note) {
byte[] bs = null;
try {
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
// 参数顺序分别为：编码内容，编码类型，生成图片宽度，生成图片高度，设置参数
BitMatrix bm = multiFormatWriter.encode(qrUrl, BarcodeFormat.QR_CODE, WIDTH, HEIGHT, hints);
BufferedImage image = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);
// 开始利用二维码数据创建Bitmap图片，分别设为黑（0xFFFFFFFF）白（0xFF000000）两色
for (int x = 0; x < WIDTH; x++) {
for (int y = 0; y < HEIGHT; y++) {
image.setRGB(x, y, bm.get(x, y) ? QRCOLOR : BGWHITE);
}
}
int width = image.getWidth();
int height = image.getHeight();
if (Objects.nonNull(logo)) {
// 构建绘图对象
Graphics2D g = image.createGraphics();
// 读取Logo图片
//BufferedImage logo = ImageIO.read(logoFile);
// 开始绘制logo图片
g.drawImage(logo, width * 2 / 5, height * 2 / 5, width * 2 / 10, height * 2 / 10, null);
g.dispose();
logo.flush();
}
// 自定义文本描述
if (StringUtils.isNotEmpty(note)) {
// 新的图片，把带logo的二维码下面加上文字
BufferedImage outImage = new BufferedImage(400, 445, BufferedImage.TYPE_4BYTE_ABGR);
Graphics2D outg = outImage.createGraphics();
// 画二维码到新的面板
outg.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
// 画文字到新的面板
outg.setColor(Color.BLACK);
outg.setFont(new Font("楷体", Font.BOLD, 30)); // 字体、字型、字号
int strWidth = outg.getFontMetrics().stringWidth(note);
if (strWidth > WIDTH) {
// //长度过长就截取前面部分
// 长度过长就换行
String note1 = note.substring(0, note.length() / 2);
String note2 = note.substring(note.length() / 2, note.length());
int strWidth1 = outg.getFontMetrics().stringWidth(note1);
int strWidth2 = outg.getFontMetrics().stringWidth(note2);
outg.drawString(note1, 200 - strWidth1 / 2, height + (outImage.getHeight() - height) / 2 + 12);
BufferedImage outImage2 = new BufferedImage(400, 485, BufferedImage.TYPE_4BYTE_ABGR);
Graphics2D outg2 = outImage2.createGraphics();
outg2.drawImage(outImage, 0, 0, outImage.getWidth(), outImage.getHeight(), null);
outg2.setColor(Color.BLACK);
outg2.setFont(new Font("宋体", Font.BOLD, 30)); // 字体、字型、字号
outg2.drawString(note2, 200 - strWidth2 / 2,outImage.getHeight() + (outImage2.getHeight() - outImage.getHeight()) / 2 + 5);
outg2.dispose();
outImage2.flush();
outImage = outImage2;
} else {
outg.drawString(note, 200 - strWidth / 2, height + (outImage.getHeight() - height) / 2 + 12); // 画文字
}
outg.dispose();
outImage.flush();
image = outImage;
}
image.flush();
ImageIO.write(image, "png", codeFile); // TODO
bs = codeFile.toByteArray();
} catch (Exception e) {
e.printStackTrace();
}
return bs;
}
@Override
protected Bitmap doInBackground(Void... params) {
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
try {
int width = 1024;
int height = 1024;
switch (format) {
case AZTEC:
break;
case CODABAR:
height = (int) (width * 0.4f);
break;
case CODE_39:
height = (int) (width * 0.4f);
break;
case CODE_93:
break;
case CODE_128:
height = (int) (width * 0.4f);
break;
case DATA_MATRIX:
break;
case EAN_8:
height = (int) (width * 0.4f);
break;
case EAN_13:
height = (int) (width * 0.4f);
break;
case ITF:
height = (int) (width * 0.4f);
break;
case MAXICODE:
break;
case PDF_417:
height = (int) (width * 0.4f);
break;
case QR_CODE:
break;
case RSS_14:
break;
case RSS_EXPANDED:
break;
case UPC_A:
break;
case UPC_E:
break;
case UPC_EAN_EXTENSION:
break;
}
BitMatrix bitMatrix = multiFormatWriter.encode(data, format, width, height);
BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
return barcodeEncoder.createBitmap(bitMatrix);
} catch (Exception e) {
e.printStackTrace();
this.error = e;
}
return null;
}