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:org.apache.cordova.test.Echo.java

/**
* Executes the request and returns PluginResult.
*
* @param action            The action to execute.
* @param args              JSONArry of arguments for the plugin.
* @param callbackContext   The callback context from which we were invoked.
* @return                  A PluginResult object with a status and message.
*///from   w  w w  .j a v a2 s  .co m
@SuppressLint("NewApi")
public boolean execute(String action, final JSONArray args, final CallbackContext callbackContext)
        throws JSONException {
    try {
        if (action.equals("echo")) {
            callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, args.getString(0)));
            return true;
        } else if (action.equals("echoAsync")) {
            cordova.getActivity().runOnUiThread(new Runnable() {
                public void run() {
                    callbackContext
                            .sendPluginResult(new PluginResult(PluginResult.Status.OK, args.optString(0)));
                }
            });
            return true;
        } else if (action.equals("echoArrayBuffer")) {
            String data = args.optString(0);
            byte[] rawData = Base64.decode(data, Base64.DEFAULT);
            callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, rawData));
            return true;
        } else if (action.equals("echoArrayBufferAsync")) {
            cordova.getThreadPool().execute(new Runnable() {
                public void run() {
                    String data = args.optString(0);
                    byte[] rawData = Base64.decode(data, Base64.DEFAULT);
                    callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, rawData));
                }
            });
            return true;
        } else if (action.equals("echoMultiPart")) {
            callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, args.getJSONObject(0)));
            return true;
        } else if (action.equals("stopEchoBulk")) {
            bulkEchoing = false;
        } else if (action.equals("echoBulk")) {
            if (bulkEchoing) {
                return true;
            }
            final String payload = args.getString(0);
            final int delayMs = args.getInt(1);
            bulkEchoing = true;
            cordova.getThreadPool().execute(new Runnable() {
                public void run() {
                    while (bulkEchoing) {
                        try {
                            Thread.sleep(delayMs);
                        } catch (InterruptedException e) {
                        }
                        PluginResult pr = new PluginResult(PluginResult.Status.OK, payload);
                        pr.setKeepCallback(true);
                        callbackContext.sendPluginResult(pr);
                    }
                    PluginResult pr = new PluginResult(PluginResult.Status.OK, payload);
                    callbackContext.sendPluginResult(pr);
                }
            });
            return true;
        }
        callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.ERROR));
        return false;
    } catch (JSONException e) {
        callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION));
        return false;
    }
}

---

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

public String encrypt(String data, String publickey) throws Exception {
    publickey = publickey.replaceAll("(-+BEGIN PUBLIC KEY-+\\r?\\n|-+END PUBLIC KEY-+\\r?\\n?)", "");

    try {//from   w ww  .j  ava  2s  . c om
        byte[] publickeyRaw = Base64.decode(publickey, Base64.DEFAULT);
        X509EncodedKeySpec keySpec = new X509EncodedKeySpec(publickeyRaw);
        KeyFactory fact = KeyFactory.getInstance("RSA");
        PublicKey pub = fact.generatePublic(keySpec);

        byte[] text = data.getBytes(Charset.forName("UTF-8"));

        Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
        cipher.init(Cipher.ENCRYPT_MODE, pub);
        byte[] cipherString = cipher.doFinal(text);

        return new String(Base64.encode(cipherString, Base64.DEFAULT));

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

---

From source file:com.coodesoft.notee.MyImageGetter.java

@Override
public Drawable getDrawable(String source) {
    Drawable d = null;/*from w  ww. jav  a 2 s  . co m*/

    String strSrcLeft5 = source.substring(0, 5);

    // data
    if (strSrcLeft5.equalsIgnoreCase("data:")) {
        InputStream is = new ByteArrayInputStream(source.getBytes());

        //d = Drawable.createFromStream(is, null);
        //d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());

        //Bitmap dBitmap = BitmapFactory.decodeByteArray(data, 0, length);
        int nPosComma = source.indexOf(',');
        if (nPosComma > 0) {
            byte[] arrBuffer = Base64.decode(source.substring(nPosComma + 1), Base64.DEFAULT);
            //byte[] arrBuffer = Base64Coder.decode(source.substring(nPosComma + 1));
            Bitmap dBitmap = BitmapFactory.decodeByteArray(arrBuffer, 0, arrBuffer.length);
            d = new BitmapDrawable(dBitmap);
            d.setBounds(0, 0, dBitmap.getWidth(), dBitmap.getHeight());
        }

    } else {
        // url

        try {

            InputStream is = (InputStream) new URL(source).getContent();
            Bitmap dBitmap = BitmapFactory.decodeStream(is);
            if (dBitmap == null) {
                d = Resources.getSystem().getDrawable(android.R.drawable.picture_frame);
            } else {
                d = new BitmapDrawable(dBitmap);
                d.setBounds(0, 0, dBitmap.getWidth(), dBitmap.getHeight());
            }

            d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());

        } catch (MalformedURLException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

        /*
         URLDrawable urlDrawable = new URLDrawable();
                
         // get the actual source
         ImageGetterAsyncTask asyncTask = 
        new ImageGetterAsyncTask( urlDrawable);
                
         asyncTask.execute(source);
                
         // return reference to URLDrawable where I will change with actual image from
         // the src tag
         return urlDrawable;
         */

    }

    return d;
}

---

From source file:com.ferjuarez.androidthingsdemo.PhotoEntryAdapter.java

@Override
protected void populateViewHolder(DoorbellEntryViewHolder viewHolder, PhotoEntry model, int position) {
    // Display the timestamp
    if (model != null && model.getTimestamp() != null) {
        CharSequence prettyTime = DateUtils.getRelativeDateTimeString(mApplicationContext, model.getTimestamp(),
                DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
        viewHolder.time.setText(prettyTime);

        // Display the image
        if (model.getThumbnail() != null) {
            // Decode image data encoded by the Cloud Vision library
            byte[] imageBytes = Base64.decode(model.getThumbnail(), Base64.NO_WRAP | Base64.URL_SAFE);
            Bitmap bitmap = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);
            if (bitmap != null) {
                viewHolder.image.setImageBitmap(bitmap);
            } else {
                Drawable placeholder = ContextCompat.getDrawable(mApplicationContext, R.mipmap.ic_launcher);
                viewHolder.image.setImageDrawable(placeholder);
            }//ww  w. j  a v  a  2 s  .  c o  m
        }
    }

    // Display the metadata
    /*if (model.getAnnotations() != null) {
    ArrayList<String> keywords = new ArrayList<>(model.getAnnotations().keySet());
            
    int limit = Math.min(keywords.size(), 3);
    viewHolder.metadata.setText(TextUtils.join("\n", keywords.subList(0, limit)));
    } else {
    viewHolder.metadata.setText("no annotations yet");
    }*/
}

---

From source file:com.vladstirbu.cordova.CDVInstagramPlugin.java

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

        FileOutputStream os = null;

        File filePath = new File(this.webView.getContext().getExternalFilesDir(null), "instagram.png");

        try {//  ww w . j  av a  2s  . co m
            os = new FileOutputStream(filePath, true);
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            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://" + filePath));
        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:com.owncloud.android.jobs.NotificationJob.java

@NonNull
@Override// ww w  .  j av a  2  s. c  o m
protected Result onRunJob(@NonNull Params params) {

    Context context = getContext();
    PersistableBundleCompat persistableBundleCompat = getParams().getExtras();
    String subject = persistableBundleCompat.getString(KEY_NOTIFICATION_SUBJECT, "");
    String signature = persistableBundleCompat.getString(KEY_NOTIFICATION_SIGNATURE, "");

    if (!TextUtils.isEmpty(subject) && !TextUtils.isEmpty(signature)) {
        try {
            byte[] base64DecodedSubject = Base64.decode(subject, Base64.DEFAULT);
            byte[] base64DecodedSignature = Base64.decode(signature, Base64.DEFAULT);
            PushUtils pushUtils = new PushUtils();
            PrivateKey privateKey = (PrivateKey) PushUtils.readKeyFromFile(false);

            try {
                SignatureVerification signatureVerification = pushUtils.verifySignature(context,
                        base64DecodedSignature, base64DecodedSubject);

                if (signatureVerification.isSignatureValid()) {
                    Cipher cipher = Cipher.getInstance("RSA/None/PKCS1Padding");
                    cipher.init(Cipher.DECRYPT_MODE, privateKey);
                    byte[] decryptedSubject = cipher.doFinal(base64DecodedSubject);

                    Gson gson = new Gson();
                    DecryptedPushMessage decryptedPushMessage = gson.fromJson(new String(decryptedSubject),
                            DecryptedPushMessage.class);

                    // We ignore Spreed messages for now
                    if (!decryptedPushMessage.getApp().equals("spreed")) {
                        sendNotification(decryptedPushMessage.getSubject(), signatureVerification.getAccount());
                    }
                }
            } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException e1) {
                Log.d(TAG,
                        "Error decrypting message " + e1.getClass().getName() + " " + e1.getLocalizedMessage());
            }
        } catch (Exception exception) {
            Log.d(TAG, "Something went very wrong" + exception.getLocalizedMessage());
        }
    }
    return Result.SUCCESS;
}

---

From source file:de.audioattack.yacy32c3search.activity.SettingsDialog.java

public static String load(final Context context, final String key, String dflt) {
    final SharedPreferences sharedPreferences = context.getSharedPreferences("settings", Context.MODE_PRIVATE);
    final String base64Value = sharedPreferences.getString(key, "");

    final String value;
    if (base64Value.length() == 0) {
        value = dflt;/*from  www.  ja  v a 2 s  .  c  om*/
    } else {
        value = new String(Base64.decode(base64Value, Base64.NO_WRAP));
    }

    return value;
}

---

From source file:com.example.androidthings.doorbell.DoorbellEntryAdapter.java

@Override
protected void populateViewHolder(DoorbellEntryViewHolder viewHolder, DoorbellEntry model, int position) {
    // Display the timestamp
    CharSequence prettyTime = DateUtils.getRelativeDateTimeString(mApplicationContext, model.getTimestamp(),
            DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
    viewHolder.time.setText(prettyTime);

    // Display the image
    if (model.getImage() != null) {
        // Decode image data encoded by the Cloud Vision library
        byte[] imageBytes = Base64.decode(model.getImage(), Base64.NO_WRAP | Base64.URL_SAFE);
        Bitmap bitmap = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);
        if (bitmap != null) {
            viewHolder.image.setImageBitmap(bitmap);
        } else {/* w ww. j a va2 s  .  c  o  m*/
            Drawable placeholder = ContextCompat.getDrawable(mApplicationContext, R.drawable.ic_image);
            viewHolder.image.setImageDrawable(placeholder);
        }
    }

    // Display the metadata
    if (model.getAnnotations() != null) {
        ArrayList<String> keywords = new ArrayList<>(model.getAnnotations().keySet());

        int limit = Math.min(keywords.size(), 3);
        viewHolder.metadata.setText(TextUtils.join("\n", keywords.subList(0, limit)));
    } else {
        viewHolder.metadata.setText("no annotations yet");
    }
}

---

From source file:com.example.administrator.winsoftsalesproject.activity.NavHomeActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_nav_home);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);/*from   ww  w  .jav a 2  s .c o m*/
    sessionManger = new SessionManger(this);
    sessionManger.checkLogin();
    HashMap<String, String> user = sessionManger.getUserDetails();
    home = new Home();
    fragmentTransaction(home);

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar,
            R.string.navigation_drawer_open, R.string.navigation_drawer_close);
    drawer.setDrawerListener(toggle);
    toggle.syncState();

    NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
    navigationView.setNavigationItemSelectedListener(this);

    View header = navigationView.getHeaderView(0);
    TextView headerName = (TextView) header.findViewById(R.id.nav_name);
    TextView designation = (TextView) header.findViewById(R.id.nav_designation);
    ImageView headerImage = (ImageView) header.findViewById(R.id.nav_image);

    headerName.setText(user.get(sessionManger.KEY_EMPLOYEE_NAME).toUpperCase());
    designation.setText(user.get(sessionManger.KEY_DEPARTMENT).toUpperCase());

    byte[] decodeString = Base64.decode(user.get(sessionManger.KEY_EMPLOYEE_PHOTO).getBytes(), Base64.DEFAULT);
    Bitmap bitmap = BitmapFactory.decodeByteArray(decodeString, 0, decodeString.length);
    headerImage.setImageBitmap(bitmap);
}

---

From source file:hochschuledarmstadt.photostream_tools.ImageCacher.java

boolean cacheImage(Photo photo) throws IOException {
    int photoId = photo.getId();
    if (isCached(photoId)) {
        File filePath = getImageFilePathForPhotoId(photoId);
        String imageFilePath = filePath.getAbsolutePath();
        injectImageFilePath(photo, imageFilePath);
        return true;
    } else {/*from   ww  w.ja v a 2s. c  o  m*/
        String imageFilePath = photo.getImageFilePath();
        return cacheImage(photo, Base64.decode(imageFilePath, Base64.DEFAULT));
    }
}

---

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