Android生成一维码

/**
        * 用于将给定的内容生成成一维码 注：目前生成内容为中文的话将直接报错，要修改底层jar包的内容
        *
        * @param content 将要生成一维码的内容
        * @return 返回生成好的一维码bitmap
        * @throws WriterException WriterException异常
        */
        public static Bitmap CreateOneDCode(String content) throws WriterException {
            // 生成一维条码,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(content,
                    BarcodeFormat.CODE_128, 500, 200);
            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] = 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;
        }

button1 = (Button) findViewById(R.id.button1);
        button1.setOnClickListener(new OnClickListener() {
            
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                
                //得到输入框的值
                String trim = editText.getText().toString().trim();
                Bitmap bitmap;
                try {
                    //生成一维码
                     bitmap = BitmapUtil.CreateOneDCode(trim);
                        if(bitmap != null){
                            //给image赋值
                            imageView.setImageBitmap(bitmap);
                        }
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                
            }
        });