Beranda Android Java android studio generate qr

Java android studio generate qr

Penulis

April 4, 2023

Java

build.gradle

implementation 'me.dm7.barcodescanner:zxing:1.9'

Java

Generate_qr

import com.google.zxing.BarcodeFormat;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;

//sample GenerateQr(ImageView, "Value Qr");
public void GenerateQr(ImageView imageview,String content){
        QRCodeWriter writer = new QRCodeWriter();
        try {

            Map<EncodeHintType, Object> hints = new EnumMap<>(EncodeHintType.class);
            hints.put(EncodeHintType.MARGIN, 1); //1=margin 

            BitMatrix bitMatrix = writer.encode(content, BarcodeFormat.QR_CODE, 1000, 1000, hints);
            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) ? ContextCompat.getColor(TopupDetailQris.this, R.color.black) : Color.WHITE);
                }
            }
            BitmapDrawable ob = new BitmapDrawable(getResources(), bmp);
            imageview.setBackground(ob);

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

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