Example usage for android.util Base64 decode

Introduction

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

Prototype

public static byte[] decode(byte[] input, int flags) 

Source Link

Document

Decode the Base64-encoded data in input and return the data in a new byte array.

Usage

From source file:com.hackeruproj.android.havatzfit.general_utilities.GenUtils.java

public static Bitmap string2Bitmap(String encodeString) {
    try {//  w  w w. ja  v a  2s.co m
        byte[] encodeByte = Base64.decode(encodeString, Base64.DEFAULT);
        Bitmap mBitmap = BitmapFactory.decodeByteArray(encodeByte, 0, encodeByte.length);
        return mBitmap;
    } catch (Exception e) {
        e.getMessage();
        return null;
    }
}

---

From source file:com.lillicoder.newsblurry.feeds.FeedParser.java

/**
 * Decodes the given base-64 favicon string into a {@link Favicon}.
 * @param encodedFavicon Base-64 encoded favicon to decode.
 * @return Decoded {@link Favicon},//from  w w  w.j a v a 2 s .  c  o m
 *          <code>null</code> if the encoded string could not be decoded.
 */
private Favicon decodeFavicon(String encodedFavicon) {
    Favicon favicon = null;

    if (!TextUtils.isEmpty(encodedFavicon)) {
        try {
            byte[] rawFavicon = Base64.decode(encodedFavicon, Base64.DEFAULT);
            Bitmap faviconImage = BitmapFactory.decodeByteArray(rawFavicon, 0, rawFavicon.length);

            if (faviconImage != null)
                favicon = new Favicon(faviconImage);
        } catch (IllegalArgumentException e) {
            Log.w(TAG, WARNING_FAILED_TO_DECODE_FAVICON, e);
        }
    }

    return favicon;
}

---

From source file:org.openmidaas.app.common.Utils.java

public static String getAttributeDetailsLabel(AbstractAttribute<?> attribute) {
    String message = "Name: " + attribute.getName() + "\n" + "Value: " + attribute.toString() + "\n";
    String[] jwsParams = null;/*from   w w w . j  a  v a  2s.  co  m*/
    JSONObject object = null;
    String audience = "";
    String issuer = "";
    String subject = "";
    if (attribute.getSignedToken() != null) {
        jwsParams = attribute.getSignedToken().split("\\.");
        try {
            object = new JSONObject(new String(Base64.decode(jwsParams[1], Base64.NO_WRAP), "UTF-8"));
            if (object != null) {
                if (object.getString("aud") != null)
                    audience = object.getString("aud");
                message += "Audience: " + audience + "\n";

                if (object.getString("iss") != null)
                    issuer = object.getString("iss");
                message += "Issuer: " + issuer + "\n";

                if (object.getString("sub") != null)
                    subject = object.getString("sub");
                message += "Subject: " + subject + "\n";

                message += "Signature: " + jwsParams[2];
            }
        } catch (Exception e) {
        }
    }
    return message;
}

---

From source file:com.samuelcastro.cordova.InstagramSharePlugin.java

private void shareImage(String imageString, String captionString) {
    if (imageString != null && imageString.length() > 0) {
        byte[] imageData = Base64.decode(imageString, 0);

        File file = null;//w  w w .  j  a  v a2s .  c om
        FileOutputStream os = null;

        File parentDir = this.webView.getContext().getExternalFilesDir(null);
        File[] oldImages = parentDir.listFiles(OLD_IMAGE_FILTER);
        for (File oldImage : oldImages) {
            oldImage.delete();
        }

        try {
            file = File.createTempFile("instagram", ".png", parentDir);
            os = new FileOutputStream(file, true);
        } catch (Exception e) {
            e.printStackTrace();
        }

        try {
            os.write(imageData);
            os.flush();
            os.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        Intent shareIntent = new Intent(Intent.ACTION_SEND);
        shareIntent.setType("image/*");
        shareIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + file));
        shareIntent.putExtra(Intent.EXTRA_TEXT, captionString);
        shareIntent.setPackage("com.instagram.android");

        this.cordova.startActivityForResult((CordovaPlugin) this, shareIntent, 12345);

    } else {
        this.cbContext.error("Expected one non-empty string argument.");
    }
}

---

From source file:ca.uwaterloo.magic.goodhikes.ProfileActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_profile);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);// w w w .j  a v a 2 s .  c  om
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    /** Define variables **/
    userManager = new UserManager(getApplicationContext());
    user = userManager.getUser();
    profile_image = (ImageView) findViewById(R.id.profile_image);
    profile_user_name = (TextView) findViewById(R.id.profile_user_name);
    profile_email = (TextView) findViewById(R.id.profile_email);
    upload_image = (Button) findViewById(R.id.upload_picture);

    profile_user_name.setText(user.getUsername());
    profile_email.setText(user.getEmail());
    image_str = user.getImage();
    if (image_str != "") {
        /** decode image string and set profile image **/
        byte[] image_arr = Base64.decode(image_str, 0);
        profile_image.setImageBitmap(BitmapFactory.decodeByteArray(image_arr, 0, image_arr.length));

    }

    upload_image.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            uploadProfileImage();

        }
    });
}

---

From source file:im.whistle.crypt.Crypt.java

/**
 * Encrypts a message.//from w  w w .  j  a  va2s.  co m
 * @param args Arguments: data, publicKey[, privateKey]
 * @param callback Callback
 */
public static void encrypt(JSONArray args, AsyncCallback<JSONArray> callback) {
    try {
        PRNGProvider.init(); // Ensure OpenSSL fix

        // Get the arguments
        String data = args.getString(0);
        String pub = args.getString(1);
        String priv = null;
        if (args.length() == 3) {
            priv = args.getString(2);
        }
        String sig = null;

        // Convert everything into byte arrays
        byte[] dataRaw = data.getBytes("utf-8");
        byte[] pubRaw = Base64.decode(stripKey(pub), Base64.DEFAULT);

        // Generate random AES key and IV
        byte[] aesKey = new byte[AES_BYTES];
        new SecureRandom().nextBytes(aesKey);
        byte[] aesIv = new byte[16]; // Block size
        new SecureRandom().nextBytes(aesIv);
        Cipher c = Cipher.getInstance("AES/CBC/PKCS7Padding", "BC");
        c.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(aesKey, "AES"), new IvParameterSpec(aesIv));

        // Encrypt data with AES
        byte[] encData = c.doFinal(dataRaw);

        // Encrypt aes data with RSA
        X509EncodedKeySpec publicKeySpec = new X509EncodedKeySpec(pubRaw);
        KeyFactory kf = KeyFactory.getInstance("RSA", "BC");
        c = Cipher.getInstance("RSA/None/OAEPWithSHA-1AndMGF1Padding", "BC");
        c.init(Cipher.ENCRYPT_MODE, kf.generatePublic(publicKeySpec));
        c.update(aesKey);
        c.update(aesIv);
        byte[] encKey = c.doFinal();

        // Concatenate and transform
        byte[] encRaw = new byte[encKey.length + encData.length];
        System.arraycopy(encKey, 0, encRaw, 0, encKey.length);
        System.arraycopy(encData, 0, encRaw, encKey.length, encData.length);
        encKey = null;
        encData = null;
        String enc = new String(Base64.encode(encRaw /* needed for sign */, Base64.NO_WRAP), "utf-8");

        // Sign
        if (priv != null) {
            // Fail on error (no try-catch)
            byte[] privRaw = Base64.decode(stripKey(priv), Base64.DEFAULT);
            PKCS8EncodedKeySpec privateKeySpec = new PKCS8EncodedKeySpec(privRaw);
            Signature s = Signature.getInstance("SHA1withRSA", "BC");
            s.initSign(kf.generatePrivate(privateKeySpec));
            s.update(encRaw);
            sig = new String(Base64.encode(s.sign(), Base64.NO_WRAP), "utf-8");
        }

        JSONArray res = new JSONArray();
        res.put(enc);
        res.put(sig);
        callback.success(res);
    } catch (Exception ex) {
        Log.w("whistle", "Encrypt error: " + ex.getMessage(), ex);
        callback.error(ex);
    }
}

---

From source file:org.apache.cordova.crypt.Crypt.java

public String decrypt(String data, String privatekey) throws IllegalBlockSizeException, BadPaddingException,
        InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException {
    privatekey = privatekey.replaceAll("(-+BEGIN PRIVATE KEY-+\\r?\\n|-+END PRIVATE KEY-+\\r?\\n?)", "");
    byte[] dataCipher = Base64.decode(data, Base64.DEFAULT);

    try {//from   w ww  .  j  a  va2 s . c  om
        byte[] privatekeyRaw = Base64.decode(privatekey, Base64.DEFAULT);
        PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(privatekeyRaw);
        KeyFactory fact = KeyFactory.getInstance("RSA");
        PrivateKey priv = fact.generatePrivate(keySpec);

        Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
        cipher.init(Cipher.DECRYPT_MODE, priv);
        byte[] decrypted = cipher.doFinal(dataCipher);
        Log.w("CRYPT", new String(decrypted, "UTF-8"));

        return new String(decrypted, "UTF-8");

    } catch (Exception e) {
        Log.w("CRYPT", e);
        return null;
    }

}

---

From source file:edu.stanford.mobisocial.dungbeetle.feed.objects.VoiceObj.java

@Override
public Pair<JSONObject, byte[]> splitRaw(JSONObject json) {
    byte[] raw = Base64.decode(json.optString(DATA), Base64.DEFAULT);
    json.remove(DATA);//from   w  w w  .  j  a v  a 2 s  .c om
    return new Pair<JSONObject, byte[]>(json, raw);
}

---

From source file:eu.codeplumbers.cosi.db.models.Contact.java

public Contact(JSONObject contactJson) throws JSONException {
    if (contactJson.has("n"))
        setN(contactJson.getString("n"));
    else/*from  w w w. j av  a2s .  c  om*/
        setN("");

    if (contactJson.has("fn"))
        setFn(contactJson.getString("fn"));
    else
        setFn("");

    if (contactJson.has("revision")) {
        setRevision(contactJson.getString("revision"));
    } else {
        setRevision(DateUtils.formatDate(new Date().getTime()));
    }

    if (contactJson.has("tags") && !contactJson.getString("tags").equalsIgnoreCase("")) {
        setTags(contactJson.getJSONArray("tags").toString());
    } else {
        setTags(new JSONArray().toString());
    }

    setPhotoBase64("");
    setAnniversary("");

    if (contactJson.has("deviceId")) {
        setDeviceId(contactJson.getString("deviceId"));
    }

    if (contactJson.has("systemId")) {
        setSystemId(contactJson.getString("systemId"));
    }

    setRemoteId(contactJson.getString("_id"));

    if (contactJson.has("_attachments")) {
        JSONObject attachment = contactJson.getJSONObject("_attachments");

        setAttachments(attachment.toString());

        if (attachment.has("picture")) {
            JSONObject picture = attachment.getJSONObject("picture");
            String attachmentName = new String(
                    Base64.decode(picture.getString("digest").replace("md5-", ""), Base64.DEFAULT));
            Log.d("Contact", attachmentName);
        }
    }

    save();

    if (contactJson.has("datapoints")) {
        JSONArray datapoints = contactJson.getJSONArray("datapoints");

        for (int i = 0; i < datapoints.length(); i++) {
            JSONObject datapoint = datapoints.getJSONObject(i);
            String value = datapoint.getString("value");
            ContactDataPoint contactDataPoint = ContactDataPoint.getByValue(this, value);

            if (contactDataPoint == null && !value.isEmpty()) {
                contactDataPoint = new ContactDataPoint();
                contactDataPoint.setPref(false);
                contactDataPoint.setType(datapoint.getString("type"));
                contactDataPoint.setValue(value);
                contactDataPoint.setName(datapoint.getString("name"));
                contactDataPoint.setContact(this);
                contactDataPoint.save();
            }
        }
    }

}

---

From source file:fragments.ContextFragment.java

@Override
public void onSharedPreferenceChanged(final SharedPreferences sharedPreference, final String key) {
    if (key.equals(App.SETTINGS_FIRST_NAME) || key.equals(App.SETTINGS_LAST_NAME)) {
        mFirstLastView/*from w  ww  .  j  a va2s .c  om*/
                .setText(getString(R.string.welcome, App.getPrefs().getString(App.SETTINGS_FIRST_NAME, ""),
                        App.getPrefs().getString(App.SETTINGS_LAST_NAME, "")));
    } else if (key.equals(App.SETTINGS_PLATFORM_NAME)) {
        ((AppActivity) getActivity()).refreshUI();
    } else if (key.equals(App.SETTINGS_OFFICIAL_CODE)) {
        mNomaView.setText(App.getPrefs().getString(key, ""));
    } else if (key.equals(App.SETTINGS_INSTITUTION_NAME)) {
        ((AppActivity) getActivity()).refreshUI();
    } else if (key.equals(App.SETTINGS_USER_IMAGE)) {
        String pic64 = App.getPrefs().getString(App.SETTINGS_USER_IMAGE, "");
        if (!pic64.equals("")) {
            byte[] pic = Base64.decode(pic64, Base64.DEFAULT);
            mUserPicture.setImageBitmap(BitmapFactory.decodeByteArray(pic, 0, pic.length));
        } else {
            mUserPicture.setImageResource(R.drawable.nopicture);
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• »