问QR扫描器无法读取由库生成的QR代码--寻找生成QR代码的可靠方法。

EN

 QRCodeWriter writer = new QRCodeWriter();
try {
    BitMatrix bitMatrix = writer.encode(content, BarcodeFormat.QR_CODE, 512, 512);
    int width = bitMatrix.getWidth();
    int height = bitMatrix.getHeight();
    Bitmap bmp = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    for (int x = 0; x < width; x++) {
        for (int y = 0; y < height; y++) {
            bmp.setPixel(x, y, bitMatrix.get(x, y) ? Color.BLACK : Color.WHITE);
        }
    }
    ((ImageView) findViewById(R.id.img_result_qr)).setImageBitmap(bmp);

} catch (WriterException e) {
    e.printStackTrace();
}

repositories {
    jcenter()
}

dependencies {
    implementation 'com.google.zxing:core:3.3.0'
}