Examples with QRCodeEncoder com.google.zxing.client.android.encode.QRCodeEncoder used on opensource projects

Example 16 with QRCodeEncoder

use of com.google.zxing.client.android.encode.QRCodeEncoder in project samourai-wallet-android by Samourai-Wallet.

the class OpenDimeActivity method generateQRCode.

private Bitmap generateQRCode(String uri) {
    Bitmap bitmap = null;
    QRCodeEncoder qrCodeEncoder = new QRCodeEncoder(uri, null, Contents.Type.TEXT, BarcodeFormat.QR_CODE.toString(), imgWidth);
    try {
        bitmap = qrCodeEncoder.encodeAsBitmap();
    } catch (WriterException e) {
        e.printStackTrace();
    }
    return bitmap;
}

Example 17 with QRCodeEncoder

use of com.google.zxing.client.android.encode.QRCodeEncoder in project samourai-wallet-android by Samourai-Wallet.

the class ManualCahootsActivity method shareCahootsPayload.

private void shareCahootsPayload() {
    String strCahoots = this.payload.toJSON().toString();
    // tx max size in bytes == 2148
    final int QR_ALPHANUM_CHAR_LIMIT = 4296;
    dialog = new AppCompatDialog(this, R.style.stowaway_dialog);
    dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
    dialog.setCancelable(true);
    dialog.setContentView(R.layout.cahoots_qr_dialog_layout);
    ImageView qrCode = dialog.findViewById(R.id.qr_code_imageview);
    Button copy = dialog.findViewById(R.id.cahoots_copy_btn);
    Button share = dialog.findViewById(R.id.cahoots_share);
    TextView qrErrorMessage = dialog.findViewById(R.id.qr_error_stowaway);
    if (strCahoots.length() <= QR_ALPHANUM_CHAR_LIMIT) {
        Display display = this.getWindowManager().getDefaultDisplay();
        Point size = new Point();
        display.getSize(size);
        int imgWidth = Math.max(size.x - 240, 150);
        Bitmap bitmap = null;
        QRCodeEncoder qrCodeEncoder = new QRCodeEncoder(strCahoots, null, Contents.Type.TEXT, BarcodeFormat.QR_CODE.toString(), imgWidth);
        try {
            bitmap = qrCodeEncoder.encodeAsBitmap();
        } catch (WriterException e) {
            qrErrorMessage.setVisibility(View.VISIBLE);
            e.printStackTrace();
        }
        qrCode.setImageBitmap(bitmap);
    } else {
        qrErrorMessage.setVisibility(View.VISIBLE);
        Toast.makeText(getApplicationContext(), R.string.tx_too_large_qr, Toast.LENGTH_SHORT).show();
    }
    share.setOnClickListener(v -> {
        if (!(strCahoots.length() <= QR_ALPHANUM_CHAR_LIMIT)) {
            Intent txtIntent = new Intent(android.content.Intent.ACTION_SEND);
            txtIntent.setType("text/plain");
            txtIntent.putExtra(android.content.Intent.EXTRA_TEXT, strCahoots);
            startActivity(Intent.createChooser(txtIntent, "Share"));
            return;
        }
        String strFileName = AppUtil.getInstance(getApplicationContext()).getReceiveQRFilename();
        File file = new File(strFileName);
        if (!file.exists()) {
            try {
                file.createNewFile();
            } catch (Exception e) {
                Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show();
            }
        }
        file.setReadable(true, false);
        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(file);
        } catch (FileNotFoundException fnfe) {
        }
        if (file != null && fos != null) {
            Bitmap bitmap1 = ((BitmapDrawable) qrCode.getDrawable()).getBitmap();
            bitmap1.compress(Bitmap.CompressFormat.PNG, 0, fos);
            try {
                fos.close();
            } catch (IOException ioe) {
                ;
            }
            Intent intent = new Intent();
            intent.setAction(Intent.ACTION_SEND);
            intent.setType("image/png");
            if (android.os.Build.VERSION.SDK_INT >= 24) {
                // From API 24 sending FIle on intent ,require custom file provider
                intent.putExtra(Intent.EXTRA_STREAM, FileProvider.getUriForFile(getApplicationContext(), getApplicationContext().getApplicationContext().getPackageName() + ".provider", file));
            } else {
                intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file));
            }
            ManualCahootsActivity.this.startActivity(Intent.createChooser(intent, getApplicationContext().getText(R.string.send_tx)));
        }
    });
    copy.setOnClickListener(v -> {
        android.content.ClipboardManager clipboard = (android.content.ClipboardManager) getApplicationContext().getSystemService(android.content.Context.CLIPBOARD_SERVICE);
        android.content.ClipData clip = null;
        clip = android.content.ClipData.newPlainText("Cahoots", strCahoots);
        clipboard.setPrimaryClip(clip);
        Toast.makeText(getApplicationContext(), R.string.copied_to_clipboard, Toast.LENGTH_SHORT).show();
    });
    dialog.show();
}

Example 18 with QRCodeEncoder

use of com.google.zxing.client.android.encode.QRCodeEncoder in project samourai-wallet-android by Samourai-Wallet.

the class BIP47ShowQR method generateQRCode.

private Bitmap generateQRCode(String uri) {
    Bitmap bitmap = null;
    QRCodeEncoder qrCodeEncoder = new QRCodeEncoder(uri, null, Contents.Type.TEXT, BarcodeFormat.QR_CODE.toString(), imgWidth);
    try {
        bitmap = qrCodeEncoder.encodeAsBitmap();
    } catch (WriterException e) {
        e.printStackTrace();
    }
    return bitmap;
}