Example usage for android.graphics BitmapFactory decodeByteArray

List of usage examples for android.graphics BitmapFactory decodeByteArray

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Introduction

In this page you can find the example usage for android.graphics BitmapFactory decodeByteArray.

Prototype

public static Bitmap decodeByteArray(byte[] data, int offset, int length)

Source Link

Document

Decode an immutable bitmap from the specified byte array.

Usage

From source file:at.ac.uniklu.mobile.sportal.util.Utils.java

/**
 * Loads a bitmap for the network or from a cached file, if it has already been downloaded before. If the file
 * is loaded for the first time, it is written to the cache to be available next time.
 * //from  w  w w  .  ja va  2  s  .c  om
 * @param context
 * @param sourceUrl
 * @param cacheFileName
 * @return a bitmap or null if something went wrong
 */
public static Bitmap downloadBitmapWithCache(Context context, String sourceUrl, String cacheFileName)
        throws Exception {
    Bitmap bitmap = null;
    File cacheFile = new File(context.getCacheDir(), cacheFileName);

    boolean cached = cacheFile.exists();
    boolean cachedValid = cached && cacheFile.lastModified() > (System.currentTimeMillis() - MILLIS_PER_WEEK);

    if (cached && cachedValid) {
        // the requested file is cached, load it
        Log.d(TAG, "loading cached file: " + cacheFileName);
        bitmap = BitmapFactory.decodeFile(cacheFile.getAbsolutePath());
    } else {
        // the requested file is not cached, download it from the network
        Log.d(TAG, "file " + (cachedValid ? "too old" : "not cached") + ", downloading: " + sourceUrl);
        byte[] data = downloadFile(sourceUrl, 3);
        if (data != null) {
            bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
            if (bitmap != null) {
                // the download succeeded, cache the file so it is available next time
                FileOutputStream out = new FileOutputStream(cacheFile);
                out.write(data, 0, data.length);
                out.flush();
                out.close();
            } else {
                Log.e(TAG, "failed to download bitmap, may be an unsupported format: " + sourceUrl);
            }
        }
    }

    return bitmap;
}

From source file:com.pursuer.reader.easyrss.network.SubscriptionDataSyncer.java

private void syncSubscriptionIcons() throws DataSyncerException {
    final Context context = dataMgr.getContext();
    if (!NetworkUtils.checkSyncingNetworkStatus(context, networkConfig)) {
        return;/*from  ww w . j  a v a  2 s  . c o m*/
    }
    final ContentResolver resolver = context.getContentResolver();
    final Cursor cur = resolver.query(Subscription.CONTENT_URI,
            new String[] { Subscription._UID, Subscription._ICON, Subscription._URL }, null, null, null);
    for (cur.moveToFirst(); !cur.isAfterLast(); cur.moveToNext()) {
        final String uid = cur.getString(0);
        final byte[] data = cur.getBlob(1);
        final String subUrl = cur.getString(2);
        if (subUrl != null && data == null) {
            final SubscriptionIconUrl fetchUrl = new SubscriptionIconUrl(isHttpsConnection, subUrl);
            try {
                final byte[] iconData = httpGetQueryByte(fetchUrl);
                final Bitmap icon = BitmapFactory.decodeByteArray(iconData, 0, iconData.length);
                final int size = icon.getWidth() * icon.getHeight() * 2;
                final ByteArrayOutputStream output = new ByteArrayOutputStream(size);
                icon.compress(Bitmap.CompressFormat.PNG, 100, output);
                output.flush();
                output.close();
                dataMgr.updateSubscriptionIconByUid(uid, output.toByteArray());
            } catch (final IOException exception) {
                cur.close();
                throw new DataSyncerException(exception);
            }
        }
    }
    cur.close();
}

From source file:com.vk.sdk.VKCaptchaDialog.java

private void loadImage() {
    VKHttpOperation imageOperation = new VKHttpOperation(new HttpGet(mCaptchaError.captchaImg));
    imageOperation.setHttpOperationListener(new VKHTTPOperationCompleteListener() {
        @Override// www  .  ja  v  a  2s. c o m
        public void onComplete(VKHttpOperation operation, byte[] response) {
            Bitmap captchaImage = BitmapFactory.decodeByteArray(response, 0, response.length);
            captchaImage = Bitmap.createScaledBitmap(captchaImage, (int) (captchaImage.getWidth() * mDensity),
                    (int) (captchaImage.getHeight() * mDensity), true);
            mCaptchaImage.setImageBitmap(captchaImage);
            mCaptchaImage.setVisibility(View.VISIBLE);
            mProgressBar.setVisibility(View.GONE);
        }

        @Override
        public void onError(VKHttpOperation operation, VKError error) {
            loadImage();
        }
    });
    VKHttpClient.enqueueOperation(imageOperation);
}

From source file:com.andernity.launcher2.InstallShortcutReceiver.java

private static ArrayList<PendingInstallShortcutInfo> getAndClearInstallQueue(SharedPreferences sharedPrefs) {
    synchronized (sLock) {
        Set<String> strings = sharedPrefs.getStringSet(APPS_PENDING_INSTALL, null);
        if (strings == null) {
            return new ArrayList<PendingInstallShortcutInfo>();
        }//from w  w  w  . j  ava 2s.c  om
        ArrayList<PendingInstallShortcutInfo> infos = new ArrayList<PendingInstallShortcutInfo>();
        for (String json : strings) {
            try {
                JSONObject object = (JSONObject) new JSONTokener(json).nextValue();
                Intent data = Intent.parseUri(object.getString(DATA_INTENT_KEY), 0);
                Intent launchIntent = Intent.parseUri(object.getString(LAUNCH_INTENT_KEY), 0);
                String name = object.getString(NAME_KEY);
                String iconBase64 = object.optString(ICON_KEY);
                String iconResourceName = object.optString(ICON_RESOURCE_NAME_KEY);
                String iconResourcePackageName = object.optString(ICON_RESOURCE_PACKAGE_NAME_KEY);
                if (iconBase64 != null && !iconBase64.isEmpty()) {
                    byte[] iconArray = Base64.decode(iconBase64, Base64.DEFAULT);
                    Bitmap b = BitmapFactory.decodeByteArray(iconArray, 0, iconArray.length);
                    data.putExtra(Intent.EXTRA_SHORTCUT_ICON, b);
                } else if (iconResourceName != null && !iconResourceName.isEmpty()) {
                    Intent.ShortcutIconResource iconResource = new Intent.ShortcutIconResource();
                    iconResource.resourceName = iconResourceName;
                    iconResource.packageName = iconResourcePackageName;
                    data.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconResource);
                }
                data.putExtra(Intent.EXTRA_SHORTCUT_INTENT, launchIntent);
                PendingInstallShortcutInfo info = new PendingInstallShortcutInfo(data, name, launchIntent);
                infos.add(info);
            } catch (org.json.JSONException e) {
                Log.d("InstallShortcutReceiver", "Exception reading shortcut to add: " + e);
            } catch (java.net.URISyntaxException e) {
                Log.d("InstallShortcutReceiver", "Exception reading shortcut to add: " + e);
            }
        }
        sharedPrefs.edit().putStringSet(APPS_PENDING_INSTALL, new HashSet<String>()).commit();
        return infos;
    }
}

From source file:com.cmput301w15t15.travelclaimsapp.activitys.EditExpenseActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.edit_expense);

    sdf = new SimpleDateFormat("MM/dd/yyyy", Locale.CANADA);
    expenseName = this.getIntent().getExtras().getString("expenseName");
    claimName = this.getIntent().getExtras().getString("claimName");

    date = (EditText) findViewById(R.id.Edit_Expense_Date2);
    expenseNameInput = (EditText) findViewById(R.id.Edit_Expense_Name2);
    expenseCostInput = (EditText) findViewById(R.id.Edit_Expense_Cost2);
    expenseDescriptionInput = (EditText) findViewById(R.id.Edit_Expense_Description2);
    currencySpinner = (Spinner) findViewById(R.id.CurrencySpinner2);
    categorySpinner = (Spinner) findViewById(R.id.CategorySpinner2);
    expenseReceiptView = (ImageView) findViewById(R.id.Edit_Expense_Image2);

    claimList = ClaimListController.getClaimList();
    claim = claimList.getClaim(claimName);
    expenseList = claim.getExpenseList();
    expense = expenseList.getExpense(expenseName);

    // show initial image
    if (expense.getPicture() != null) {
        imgShow = expense.getPicture();// w  ww  . j a v a  2s  . c om

        Bitmap bm = BitmapFactory.decodeByteArray(imgShow, 0, imgShow.length);
        sizeNum = imgShow.length;
        size = sizeNum.toString();
        DisplayMetrics dm = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(dm);

        expenseReceiptView.setMinimumHeight(dm.heightPixels);
        expenseReceiptView.setMinimumWidth(dm.widthPixels);
        expenseReceiptView.setImageBitmap(bm);
    }

    expenseReceiptView.setOnLongClickListener(new OnLongClickListener() {
        @Override
        public boolean onLongClick(View v) {
            // Create the Intent for Image Gallery.
            Intent i = new Intent(Intent.ACTION_PICK,
                    android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
            // Start new activity with the LOAD_IMAGE_RESULTS to handle back the results when image is picked from the Image Gallery.
            startActivityForResult(i, 1);
            return true;
        }
    });

    expenseReceiptView.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            loadPhoto((ImageView) v, 100, 100);
        }
    });

    currencySpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
        @Override
        public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
            expense.setCurr(parent.getItemAtPosition(position).toString());

        }

        @Override
        public void onNothingSelected(AdapterView<?> parent) {

        }

    });

    categorySpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
        @Override
        public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
            expense.setCat(parent.getItemAtPosition(position).toString());
        }

        @Override
        public void onNothingSelected(AdapterView<?> parent) {

        }

    });
    set_on_click();
}

From source file:at.florian_lentsch.expirysync.EditProductActivity.java

/**
 * fill all the form fields with {@link #curEntry}'s data
 *//*w ww.  j  a  va 2 s .  c  o  m*/
private void setupEditForm() {
    Bundle bundle = getIntent().getExtras();
    int id = bundle.getInt(ProductListActivity.EXTRA_PRODUCT_ENTRY_ID);
    this.curEntry = DatabaseManager.getInstance().getProductEntryById(id);

    Article article = this.curEntry.article;
    ((EditText) findViewById(R.id.barcode_field)).setText(article.barcode);
    ((EditText) findViewById(R.id.product_name_field)).setText(article.name);
    ((EditText) findViewById(R.id.product_description_field)).setText(this.curEntry.description);
    ((EditText) findViewById(R.id.amount_field)).setText(Integer.toString(this.curEntry.amount));
    if (this.photoPath == null) {
        ArticleImage image = this.curEntry.article.getBestImage();
        if (image != null) {
            if (image.imageData != null) {
                Bitmap bmp = BitmapFactory.decodeByteArray(image.imageData, 0, image.imageData.length);
                ((ImageView) findViewById(R.id.product_img)).setImageBitmap(bmp);
            } else {
                // there is an image, but don't have its data in the local db
                // -> download it from the server:
                final SharedPreferences sharedPref = this.getApplicationContext().getSharedPreferences("main",
                        Context.MODE_PRIVATE);
                String hostStr = sharedPref.getString(SettingsActivity.KEY_HOST, "");
                new DownloadImageTask((ImageView) findViewById(R.id.product_img), image)
                        .execute(hostStr + "article_images/" + image.serverId + "/serve");
            }
        }
    }

    Date expirationDate = this.curEntry.expiration_date;
    Calendar cal = Calendar.getInstance();
    cal.setTime(expirationDate);
    int year = cal.get(Calendar.YEAR), month = cal.get(Calendar.MONTH), day = cal.get(Calendar.DAY_OF_MONTH);
    ((DatePicker) findViewById(R.id.expiration_date_field)).updateDate(year, month, day);
}

From source file:com.trail.octo.Identity.java

public void loaddata() {
    byte[] decodedString;
    String encodedmessage = "";

    encodedmessage = sharedPreferences.getString("pancard", "Empty");
    if (!(encodedmessage.equals("Empty") || encodedmessage.isEmpty())) {
        decodedString = Base64.decode(encodedmessage, Base64.DEFAULT);
        pan_card = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
    }/*w w w . jav a2s  . c  o m*/

    encodedmessage = sharedPreferences.getString("drivinglicense", "Empty");
    if (!(encodedmessage.equals("Empty") || encodedmessage.isEmpty())) {
        decodedString = Base64.decode(encodedmessage, Base64.DEFAULT);
        driving_license = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
    }

    encodedmessage = sharedPreferences.getString("voterid", "Empty");
    if (!(encodedmessage.equals("Empty") || encodedmessage.isEmpty())) {
        decodedString = Base64.decode(encodedmessage, Base64.DEFAULT);
        voter_id = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
    }

    encodedmessage = sharedPreferences.getString("aadharcard", "Empty");
    if (!(encodedmessage.equals("Empty") || encodedmessage.isEmpty())) {
        decodedString = Base64.decode(encodedmessage, Base64.DEFAULT);
        aadhar_card = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
    }

    encodedmessage = sharedPreferences.getString("passport", "Empty");
    if (!(encodedmessage.equals("Empty") || encodedmessage.isEmpty())) {
        decodedString = Base64.decode(encodedmessage, Base64.DEFAULT);
        passport = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
    }
}

From source file:fr.outadev.skinswitch.MojangAccountSkin.java

@Override
public void downloadSkinFromSource(Context context) throws HttpRequest.HttpRequestException, IOException {
    if (getUuid() == null) {
        return;/*from w  w  w .ja  va  2  s .com*/
    }

    //we have to request a file on Mojang's server if we wanna retrieve the player's skin from his UUID.
    String body = HttpRequest.get(SESSION_API_URL + getUuid()).useCaches(false).body();

    if (body == null) {
        throw new HttpRequest.HttpRequestException(new IOException("Response to get the skin URL was empty."));
    }

    //we're expecting a JSON document that looks like this:
    /*
       {
     ...
     "properties": [
         {
             "name": "textures",
             "value": "<base64 string>"
         }
     ]
       }
     */

    try {
        //trying to reach the properties.value string
        JSONObject obj = new JSONObject(body);
        JSONArray properties = obj.getJSONArray("properties");

        if (properties != null) {
            for (int i = 0; i < properties.length(); i++) {
                if (properties.getJSONObject(i).getString("name").equals("textures")) {
                    //once that string is reached, we have to decode it: it's in base64
                    String base64info = properties.getJSONObject(i).getString("value");
                    JSONObject textureInfo = new JSONObject(
                            new String(Base64.decode(base64info, Base64.DEFAULT)));

                    //the decoded string is also a JSON document, so we parse that. should look like this:
                    /*
                       {
                           ...
                           "textures": {
                     "SKIN": {
                         "url": "<player skin URL>"
                     },
                     ...
                           }
                       }
                     */

                    //we want to retrieve the textures.SKIN.url string. that's the skin's URL. /FINALLY/.
                    String url = textureInfo.getJSONObject("textures").getJSONObject("SKIN").getString("url");

                    if (url != null) {
                        //download the skin from the provided URL
                        byte[] response = HttpRequest.get(url).useCaches(true).bytes();

                        if (response == null) {
                            throw new HttpRequest.HttpRequestException(
                                    new IOException("Couldn't download " + this));
                        }

                        //decode the bitmap and store it
                        Bitmap bmp = BitmapFactory.decodeByteArray(response, 0, response.length);

                        if (bmp != null) {
                            deleteAllCacheFilesFromFilesystem(context);
                            saveRawSkinBitmap(context, bmp);
                            bmp.recycle();
                        }
                    }
                }
            }
        }
    } catch (JSONException e) {
        throw new HttpRequest.HttpRequestException(
                new IOException("The response from Mojang was invalid. Woops."));
    }
}

From source file:com.rastating.droidbeard.net.SickbeardAsyncTask.java

protected Bitmap getBitmap(String cmd, List<Pair<String, Object>> params) {
    Bitmap bitmap = null;//from w w  w  .jav a2s.  c o  m
    Preferences preferences = new Preferences(mContext);
    String format = "%sapi/%s/?cmd=%s";

    String uri = String.format(format, preferences.getSickbeardUrl(), preferences.getApiKey(), cmd);
    if (params != null) {
        for (Pair<String, Object> pair : params) {
            uri += "&" + pair.first + "=" + pair.second.toString();
        }
    }

    try {
        HttpClient client = HttpClientManager.INSTANCE.getClient();
        HttpGet request = new HttpGet(uri);
        HttpResponse response = client.execute(request);
        StatusLine status = response.getStatusLine();

        if (status.getStatusCode() == 200) {
            HttpEntity entity = response.getEntity();
            byte[] bytes = EntityUtils.toByteArray(entity);
            bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
        }
    } catch (MalformedURLException e) {
        mLastException = new SickBeardException("", e);
        e.printStackTrace();
    } catch (IOException e) {
        mLastException = new SickBeardException("", e);
        e.printStackTrace();
    }

    return bitmap;
}

From source file:com.mobicage.rogerthat.FriendDetailOrInviteActivity.java

private void updateView() {
    final ImageView image = (ImageView) findViewById(R.id.friend_avatar);

    if (mFriend == null) {
        image.setVisibility(View.INVISIBLE);
        return;//w w  w. j  a v  a 2 s  .c om
    }
    image.setVisibility(View.VISIBLE);
    final TextView nameView = (TextView) findViewById(R.id.friend_name);

    if (mFriend.avatar == null) {
        image.setImageBitmap(mFriendsPlugin.getMissingFriendAvatarBitmap());
    } else {
        final Bitmap avatarBitmap = BitmapFactory.decodeByteArray(mFriend.avatar, 0, mFriend.avatar.length);
        image.setImageBitmap(ImageHelper.getRoundedCornerAvatar(avatarBitmap));
    }

    setTitle(mFriend.getDisplayName());
    nameView.setText(mFriend.getDisplayName());
    nameView.setTextColor(ContextCompat.getColor(this, android.R.color.primary_text_light));

    final LinearLayout profileDataContainer = (LinearLayout) findViewById(R.id.profile_data);
    if (AppConstants.PROFILE_DATA_FIELDS.length > 0) {
        profileDataContainer.removeAllViews();
        profileDataContainer.setVisibility(View.VISIBLE);
        Map<String, String> profileData = mFriend.getProfileDataDict();
        for (String k : AppConstants.PROFILE_DATA_FIELDS) {
            final LinearLayout ll = (LinearLayout) View.inflate(this, R.layout.profile_data_detail, null);
            final TextView tvKey = (TextView) ll.findViewById(R.id.profile_data_detail_key);
            final TextView tvVal = (TextView) ll.findViewById(R.id.profile_data_detail_value);

            String v = profileData == null ? null : profileData.get(k);
            if (v == null) {
                v = getString(R.string.unknown);
            }
            tvKey.setText(k);
            tvKey.setTextColor(LookAndFeelConstants.getPrimaryColor(this));
            tvVal.setText(v);

            profileDataContainer.addView(ll);
        }
    } else {
        profileDataContainer.setVisibility(View.GONE);
    }
}