MainActivity.java

public class MainActivity extends AppCompatActivity {

    private ActivityMainBinding binding;
    ActivityResultLauncher<String> mChoosePhoto;
  
    protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            binding = ActivityMainBinding.inflate(getLayoutInflater());
            setContentView(binding.getRoot());

            binding.selectFromGallery.setOnClickListener(view -> mChoosePhoto.launch("image/*"));

            mChoosePhoto = registerForActivityResult(new ActivityResultContracts.GetContent(), result -> {
                InputImage image;
                BarcodeScannerOptions options =
                        new BarcodeScannerOptions.Builder()
                                .setBarcodeFormats(Barcode.FORMAT_QR_CODE)
                                .build();
                BarcodeScanner scanner = BarcodeScanning.getClient(options);
                Log.v("myUri", String.valueOf(result));
                try {
                    image = InputImage.fromFilePath(this, result);
                    scanner.process(image)
                        .addOnSuccessListener(new OnSuccessListener<List<Barcode>>() {
                            @Override
                            public void onSuccess(List<Barcode> barcodes) {
                                Log.v("size", String.valueOf(barcodes. Size()));
                                MainActivity.this.processResult(barcodes);
                            }
                        })
                        .addOnFailureListener(e -> {
                            // Task failed with an exception
                            Toast.makeText(MainActivity.this, "Failed to scan.", Toast.LENGTH_SHORT).show();
                            e.printStackTrace();
                        });
                } catch (IOException e) {
                    e.printStackTrace();
                }
            });

        }

        private void processResult(List<Barcode> barcodes){
            for (Barcode barcode: barcodes) {

                Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
                vibrator.vibrate(VibrationEffect.createOneShot(100, 125));

    //            Rect bounds = barcode.getBoundingBox();
    //            Point[] corners = barcode.getCornerPoints();
    //
                String rawValue = barcode.getRawValue();

                int valueType = barcode.getValueType();
                switch (valueType) {
                    case Barcode.TYPE_WIFI:
                        String ssid = barcode.getWifi().getSsid();
                        String password = barcode.getWifi().getPassword();
                        int type = barcode.getWifi().getEncryptionType();
                        Toast.makeText(this, ssid + " " + password, Toast.LENGTH_SHORT).show();
                        break;
                    case Barcode.TYPE_URL:
                        String title = barcode.getUrl().getTitle();
                        String url = barcode.getUrl().getUrl();
                        Toast.makeText(this, title + " " + url, Toast.LENGTH_SHORT).show();
                        break;
                    case Barcode.TYPE_TEXT:
                        String text = barcode.getDisplayValue();
                        Toast.makeText(this, text, Toast.LENGTH_SHORT).show();
                        break;
                    default:
                        Toast.makeText(this, rawValue, Toast.LENGTH_SHORT).show();
                }
            }
        }