zxing生成二维码和条码
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/*** * 生成二维码方法 * @param str 生成内容 * @param widthHeight 宽度和高度 * @return * @throws WriterException */ public static Bitmap Create2DCode(String str,BarcodeFormat barcodeFormat,int widthHeight) throws WriterException { Hashtable<EncodeHintType, String> hints = new Hashtable<>(); hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); //生成二维矩阵,编码时指定大小,不要生成了图片以后再进行缩放,这样会模糊导致识别失败 BitMatrix matrix = new MultiFormatWriter().encode(str, barcodeFormat, widthHeight, widthHeight); int width = matrix.getWidth(); int height = matrix.getHeight(); //二维矩阵转为一维像素数组,也就是一直横着排了 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] = 0xff000000; } } } Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); //通过像素数组生成bitmap,具体参考api bitmap.setPixels(pixels, 0, width, 0, 0, width, height); return bitmap; } public static Bitmap creatEAN13(String str,int paramsWidth,int paramsHeight) throws WriterException{ Hashtable<EncodeHintType, String> hints = new Hashtable<>(); hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); //生成二维矩阵,编码时指定大小,不要生成了图片以后再进行缩放,这样会模糊导致识别失败 BitMatrix matrix = new MultiFormatWriter().encode(str, BarcodeFormat.EAN_13 , paramsWidth, paramsHeight); int width = matrix.getWidth(); int height = matrix.getHeight(); //二维矩阵转为一维像素数组,也就是一直横着排了 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] = 0xff000000; } } } Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); //通过像素数组生成bitmap,具体参考api bitmap.setPixels(pixels, 0, width, 0, 0, width, height); return bitmap; } public static Bitmap creatUPCA(String str,int paramsWidth,int paramsHeight) throws WriterException{ Hashtable<EncodeHintType, String> hints = new Hashtable<>(); hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); //生成二维矩阵,编码时指定大小,不要生成了图片以后再进行缩放,这样会模糊导致识别失败 BitMatrix matrix = new MultiFormatWriter().encode(str, BarcodeFormat.UPC_A, paramsWidth, paramsHeight); int width = matrix.getWidth(); int height = matrix.getHeight(); //二维矩阵转为一维像素数组,也就是一直横着排了 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] = 0xff000000; } } } Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); //通过像素数组生成bitmap,具体参考api bitmap.setPixels(pixels, 0, width, 0, 0, width, height); return bitmap; }
导入zxing包
compile ‘com.google.zxing:core:[email protected]‘
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