Example usage for android.util Base64 encodeToString

Introduction

In this page you can find the example usage for android.util Base64 encodeToString.

Prototype

public static String encodeToString(byte[] input, int flags) 

Source Link

Document

Base64-encode the given data and return a newly allocated String with the result.

Usage

From source file:com.appfirst.communication.AFClient.java

/**
 * @param post//w ww.j a va2 s .c o  m
 *            the HttpPost request.
 * @param postContent
 *            the post content.
 * @return a JSONObject for the result
 */
private JSONObject makeHttpPostRequest(HttpPost post, List<NameValuePair> postContent) {
    JSONObject jsonObject = null;
    this.mEncodedAuthString = String.format("Basic %s",
            Base64.encodeToString(this.mAuthString, Base64.DEFAULT).trim());
    post.setHeader(this.mAuthName, this.mEncodedAuthString);

    try {
        post.setEntity(new UrlEncodedFormEntity(postContent));
    } catch (Exception e) {
        return jsonObject;
    }

    try {
        HttpResponse response = this.mClient.execute(post);
        if (Helper.checkStatus(response)) {
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                InputStream instream = entity.getContent();
                String result = Helper.convertStreamToString(instream);
                jsonObject = new JSONObject(result);
                instream.close();
            }
        } else {
            android.util.Log.e(TAG, String.format("Request failed with :%s", response.getStatusLine()));
            return jsonObject;
        }
    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (JSONException e) {
        e.printStackTrace();
    }
    return jsonObject;
}

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From source file:ch.ethz.twimight.net.opportunistic.ScanningService.java

private String getProcessedImage(String photoFileUri) {
    Bitmap bitmap = ImageLoader.getInstance().loadImageSync(photoFileUri);
    String encodedImage = null;//from   w  w  w. j  a  v a2s .c  o  m
    if (bitmap != null) {
        // scale down large images
        if (bitmap.getHeight() > MAX_IMAGE_DIMENSIONS_PX || bitmap.getWidth() > MAX_IMAGE_DIMENSIONS_PX) {
            double shrinkFactor = ((double) MAX_IMAGE_DIMENSIONS_PX)
                    / Math.max(bitmap.getWidth(), bitmap.getHeight());
            bitmap = Bitmap.createScaledBitmap(bitmap, (int) (bitmap.getWidth() * shrinkFactor),
                    (int) (bitmap.getHeight() * shrinkFactor), false);
        }
        ByteArrayOutputStream byteArrayBitmapStream = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayBitmapStream);
        byte[] bytes = byteArrayBitmapStream.toByteArray();
        encodedImage = Base64.encodeToString(bytes, Base64.DEFAULT);
    }
    return encodedImage;
}

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From source file:com.farmerbb.notepad.activity.MainActivity.java

@SuppressLint("SetJavaScriptEnabled")
@TargetApi(Build.VERSION_CODES.KITKAT)/*from  ww  w  .  j a v  a  2s.c o m*/
public void printNote(String contentToPrint) {
    SharedPreferences pref = getSharedPreferences(getPackageName() + "_preferences", MODE_PRIVATE);

    // Create a WebView object specifically for printing
    boolean generateHtml = !(pref.getBoolean("markdown", false)
            && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP);
    WebView webView = generateHtml ? new WebView(this) : new MarkdownView(this);

    // Apply theme
    String theme = pref.getString("theme", "light-sans");
    int textSize = -1;

    String fontFamily = null;

    if (theme.contains("sans")) {
        fontFamily = "sans-serif";
    }

    if (theme.contains("serif")) {
        fontFamily = "serif";
    }

    if (theme.contains("monospace")) {
        fontFamily = "monospace";
    }

    switch (pref.getString("font_size", "normal")) {
    case "smallest":
        textSize = 12;
        break;
    case "small":
        textSize = 14;
        break;
    case "normal":
        textSize = 16;
        break;
    case "large":
        textSize = 18;
        break;
    case "largest":
        textSize = 20;
        break;
    }

    String topBottom = " " + Float.toString(getResources().getDimension(R.dimen.padding_top_bottom_print)
            / getResources().getDisplayMetrics().density) + "px";
    String leftRight = " " + Float.toString(getResources().getDimension(R.dimen.padding_left_right_print)
            / getResources().getDisplayMetrics().density) + "px";
    String fontSize = " " + Integer.toString(textSize) + "px";

    String css = "body { " + "margin:" + topBottom + topBottom + leftRight + leftRight + "; " + "font-family:"
            + fontFamily + "; " + "font-size:" + fontSize + "; " + "}";

    webView.getSettings().setJavaScriptEnabled(false);
    webView.getSettings().setLoadsImagesAutomatically(false);
    webView.setWebViewClient(new WebViewClient() {
        @Override
        public void onPageFinished(final WebView view, String url) {
            createWebPrintJob(view);
        }
    });

    // Load content into WebView
    if (generateHtml) {
        webView.loadDataWithBaseURL(null,
                "<link rel='stylesheet' type='text/css' href='data:text/css;base64,"
                        + Base64.encodeToString(css.getBytes(), Base64.DEFAULT) + "' /><html><body><p>"
                        + StringUtils.replace(contentToPrint, "\n", "<br>") + "</p></body></html>",
                "text/HTML", "UTF-8", null);
    } else
        ((MarkdownView) webView).loadMarkdown(contentToPrint,
                "data:text/css;base64," + Base64.encodeToString(css.getBytes(), Base64.DEFAULT));
}

---

From source file:uk.bowdlerize.API.java

@Deprecated
private String SignHeaders(String dataToSign, boolean isUser) throws NoSuchAlgorithmException,
        InvalidKeySpecException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException,
        BadPaddingException, UnsupportedEncodingException, NoSuchProviderException, SignatureException {
    PKCS8EncodedKeySpec spec;/*from  ww  w  .  j  a  v  a2s.co  m*/
    if (isUser) {
        spec = new PKCS8EncodedKeySpec(
                Base64.decode(settings.getString(SETTINGS_USER_PRIVATE_KEY, "").getBytes(), 0));
    } else {
        spec = new PKCS8EncodedKeySpec(
                Base64.decode(settings.getString(SETTINGS_PROBE_PRIVATE_KEY, "").getBytes(), 0));
    }

    KeyFactory kf = KeyFactory.getInstance("RSA", "BC");
    PrivateKey pk = kf.generatePrivate(spec);
    byte[] signed = null;

    //Log.e("algorithm", pk.getAlgorithm());

    Signature instance = Signature.getInstance("SHA1withRSA");
    instance.initSign(pk);
    instance.update(dataToSign.getBytes());
    signed = instance.sign();

    Log.e("privateKey", settings.getString(SETTINGS_USER_PRIVATE_KEY, ""));
    Log.e("privateKey", settings.getString(SETTINGS_PROBE_PRIVATE_KEY, ""));
    //Log.e("Signature",Base64.encodeToString(signed, Base64.NO_WRAP));

    return Base64.encodeToString(signed, Base64.NO_WRAP);
}

---

From source file:uk.ac.horizon.ubihelper.service.PeerManager.java

private synchronized void sendPeerRequest(PeerRequestInfo pi) {

    // create peer request
    JSONObject msg = new JSONObject();
    try {/*from   www  .  j a va 2  s . c  o m*/
        msg.put(MessageUtils.KEY_TYPE, MessageUtils.MSG_INIT_PEER_REQ);
        // pass key
        byte pbuf[] = new byte[4];
        protocol.getRandom(pbuf);
        StringBuilder pb = new StringBuilder();
        for (int i = 0; i < pbuf.length; i++)
            pb.append((char) ('0' + ((pbuf[i] & 0xff) % 10)));
        pi.pin = pb.toString();
        // pin nonce and digest
        byte nbuf[] = new byte[8];
        protocol.getRandom(nbuf);
        pi.pinnonce = Base64.encodeToString(nbuf, Base64.DEFAULT);
        messageDigest.reset();
        messageDigest.update(nbuf);
        messageDigest.update(pi.pin.getBytes("UTF-8"));
        byte dbuf[] = messageDigest.digest();
        pi.pindigest = Base64.encodeToString(dbuf, Base64.DEFAULT);
        msg.put(MessageUtils.KEY_PINDIGEST, pi.pindigest);

        msg.put(MessageUtils.KEY_ID, getDeviceId());
        msg.put(MessageUtils.KEY_NAME, service.getDeviceName());
        msg.put(MessageUtils.KEY_PORT, this.serverPort);
        Message m = new Message(Message.Type.MANAGEMENT, null, null, msg.toString());
        pi.pc.sendMessage(m);

        pi.state = PeerRequestState.STATE_PEER_REQ;
        pi.detail = "Pin is " + pi.pin;
        broadcastPeerState(pi);
    } catch (JSONException e) {
        // shouldn't happen!
        Log.e(TAG, "JSON error (shoulnd't be): " + e);
    } catch (UnsupportedEncodingException e) {
        // shouldn't happen!
        Log.e(TAG, "Unsupported encoding (shoulnd't be): " + e);
    }
}

---

From source file:ch.ethz.twimight.net.opportunistic.ScanningService.java

private JSONObject getJSONFromXml(File xml) {
    try {/*from   ww w .  j  a  v a 2  s  . c o m*/

        JSONObject jsonObj = new JSONObject();
        FileInputStream xmlStream = null;
        try {
            xmlStream = new FileInputStream(xml);
            ByteArrayOutputStream bos = new ByteArrayOutputStream();

            byte[] buffer = new byte[1024];
            int length;
            while ((length = xmlStream.read(buffer)) != -1) {
                bos.write(buffer, 0, length);
            }
            byte[] b = bos.toByteArray();
            String xmlString = Base64.encodeToString(b, Base64.DEFAULT);
            jsonObj.put(HtmlPage.COL_HTML, xmlString);

        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally {
            if (xmlStream != null) {
                try {
                    xmlStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        jsonObj.put(TYPE, MESSAGE_TYPE_HTML);
        return jsonObj;
    } catch (JSONException e) {
        // TODO Auto-generated catch block
        Log.d(TAG, "exception:" + e.getMessage());
        return null;
    }
}

---

From source file:ch.bfh.evoting.alljoyn.BusHandler.java

/**
 * Helper method send my identity to the other peers
 *//*  w w w  . ja  v a2  s  . co m*/
private void sendMyIdentity() {
    Log.d(TAG, "Sending my identity");

    String myName = userDetails.getString("identification", "");

    //save my own identity in identityMap
    Identity myIdentity = new Identity(myName, messageAuthenticater.getMyPublicKey());
    identityMap.put(this.getIdentification(), myIdentity);

    byte[] publicKeyBytes = messageAuthenticater.getMyPublicKey().getEncoded();
    if (publicKeyBytes == null) {
        Log.e(TAG, "Key encoding not supported");
    }
    String myKey = Base64.encodeToString(publicKeyBytes, Base64.DEFAULT);
    String identity = myName + MESSAGE_PARTS_SEPARATOR + myKey;
    Log.d(TAG, "Send my identity");

    //send my identity
    Message msg = obtainMessage(BusHandler.PING);
    Bundle data = new Bundle();
    data.putString("groupName", lastJoinedNetwork);
    data.putString("pingString", identity);
    data.putSerializable("type", Type.IDENTITY);
    msg.setData(data);
    sendMessage(msg);
}

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From source file:com.imaginamos.taxisya.taxista.activities.RegisterDriverActivity.java

public static String convertImageToStringForServer(Bitmap imageBitmap) {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    if (imageBitmap != null) {
        imageBitmap.compress(Bitmap.CompressFormat.JPEG, 15, stream);
        byte[] byteArray = stream.toByteArray();
        return Base64.encodeToString(byteArray, Base64.DEFAULT);
    } else {/*from w w w  . j  av  a 2  s  . com*/
        return null;
    }
}

---

From source file:com.imaginamos.taxisya.taxista.activities.RegisterDriverActivity.java

public static String encodeTobase64(Bitmap image) {
    Bitmap immage = image;//w w w . ja va  2s.co m
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    immage.compress(Bitmap.CompressFormat.PNG, 100, baos);
    byte[] b = baos.toByteArray();
    String imageEncoded = Base64.encodeToString(b, Base64.DEFAULT);

    Log.d("Image Log:", imageEncoded);
    return imageEncoded;

}

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