Android Studio forms the code to scan the QR code

You can use the ZXing library to generate QR codes, for example: public Bitmap encodeAsBitmap(String contents, BarcodeFormat format, int desiredWidth, int desiredHeight) { final int WHITE = 0xFFFFFFFF; final int BLACK = 0xFF000000;

MultiFormatWriter writer = new MultiFormatWriter();
 BitMatrix result = writer.encode(con