Example usage for android.graphics BitmapFactory decodeByteArray

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, Options opts) 

Source Link

Document

Decode an immutable bitmap from the specified byte array.

Usage

From source file:com.shafiq.myfeedle.core.BitmapDownloadTask.java

@Override
protected Bitmap doInBackground(String... params) {
    byte[] blob = MyfeedleHttpClient.httpBlobResponse(mHttpClient, new HttpGet(params[0]));
    return BitmapFactory.decodeByteArray(blob, 0, blob.length, sBFOptions);
}

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From source file:Main.java

public static Bitmap loadBitmap(String url, BitmapFactory.Options opt) {
    Bitmap bitmap = null;/*from  ww  w.j a  v  a 2  s.com*/
    InputStream is = null;
    BufferedOutputStream bos = null;
    try {
        is = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE);
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bos = new BufferedOutputStream(baos, IO_BUFFER_SIZE);
        copyStream(is, bos);
        bos.flush();
        final byte[] data = baos.toByteArray();
        bitmap = BitmapFactory.decodeByteArray(data, 0, data.length, opt);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        Log.e(TAG, "IOException in loadBitmap");
        e.printStackTrace();
    } catch (OutOfMemoryError e) {
        // TODO Auto-generated catch block
        Log.e(TAG, "OutOfMemoryError in loadBitmap");
        e.printStackTrace();
    } finally {
        closeStream(is);
        closeStream(bos);
    }
    return bitmap;
}

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From source file:com.truebanana.bitmap.BitmapUtils.java

public static BitmapFactory.Options getBounds(byte[] bytes, BitmapFactory.Options options) {
    options.inJustDecodeBounds = true;//from w ww .  j ava 2s .co  m
    BitmapFactory.decodeByteArray(bytes, 0, bytes.length, options);
    return options;
}

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From source file:Main.java

private static Bitmap getMutableBitmap(byte[] data, int offset, int length) {
    return BitmapFactory.decodeByteArray(data, offset, length, getMutableOption());
}

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From source file:com.kku.apps.pricesearch.util.Utils.java

public static Bitmap getBitmapImage(byte[] image) {

    final BitmapFactory.Options options = new BitmapFactory.Options();

    return BitmapFactory.decodeByteArray(image, 0, image.length, options);
}

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From source file:org.artags.android.app.stackwidget.util.HttpUtils.java

public static Bitmap loadBitmap(String url) {
    try {//from   w w  w . j a  v  a2s.com
        final HttpClient httpClient = getHttpClient();
        final HttpResponse resp = httpClient.execute(new HttpGet(url));
        final HttpEntity entity = resp.getEntity();

        final int statusCode = resp.getStatusLine().getStatusCode();
        if (statusCode != HttpStatus.SC_OK || entity == null) {
            return null;
        }

        final byte[] respBytes = EntityUtils.toByteArray(entity);
        // Decode the bytes and return the bitmap.
        BitmapFactory.Options decodeOptions = new BitmapFactory.Options();
        decodeOptions.inSampleSize = 1;
        return BitmapFactory.decodeByteArray(respBytes, 0, respBytes.length, decodeOptions);
    } catch (Exception e) {
        Log.w(TAG, "Problem while loading image: " + e.toString(), e);
    }
    return null;

}

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From source file:org.artags.android.app.widget.HttpUtils.java

/**
 * Load a bitmap/*from w w  w  .j  a  v  a 2 s . co  m*/
 * @param url The URL
 * @return The bitmap
 */
public static Bitmap loadBitmap(String url) {
    try {
        final HttpClient httpClient = getHttpClient();
        final HttpResponse resp = httpClient.execute(new HttpGet(url));
        final HttpEntity entity = resp.getEntity();

        final int statusCode = resp.getStatusLine().getStatusCode();
        if (statusCode != HttpStatus.SC_OK || entity == null) {
            return null;
        }

        final byte[] respBytes = EntityUtils.toByteArray(entity);
        // Decode the bytes and return the bitmap.
        BitmapFactory.Options decodeOptions = new BitmapFactory.Options();
        decodeOptions.inSampleSize = 1;
        return BitmapFactory.decodeByteArray(respBytes, 0, respBytes.length, decodeOptions);
    } catch (Exception e) {
        Log.w(TAG, "Problem while loading image: " + e.toString(), e);
    }
    return null;

}

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From source file:com.goliathonline.android.kegbot.util.BitmapUtils.java

/**
 * Only call this method from the main (UI) thread. The {@link OnFetchCompleteListener} callback
 * be invoked on the UI thread, but image fetching will be done in an {@link AsyncTask}.
 *
 * @param cookie An arbitrary object that will be passed to the callback.
 *//*from w ww . j a  va2  s . c  o  m*/
public static void fetchImage(final Context context, final String url,
        final BitmapFactory.Options decodeOptions, final Object cookie,
        final OnFetchCompleteListener callback) {
    new AsyncTask<String, Void, Bitmap>() {
        @Override
        protected Bitmap doInBackground(String... params) {
            final String url = params[0];
            if (TextUtils.isEmpty(url)) {
                return null;
            }

            // First compute the cache key and cache file path for this URL
            File cacheFile = null;
            try {
                MessageDigest mDigest = MessageDigest.getInstance("SHA-1");
                mDigest.update(url.getBytes());
                final String cacheKey = bytesToHexString(mDigest.digest());
                if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
                    cacheFile = new File(Environment.getExternalStorageDirectory() + File.separator + "Android"
                            + File.separator + "data" + File.separator + context.getPackageName()
                            + File.separator + "cache" + File.separator + "bitmap_" + cacheKey + ".tmp");
                }
            } catch (NoSuchAlgorithmException e) {
                // Oh well, SHA-1 not available (weird), don't cache bitmaps.
            }

            if (cacheFile != null && cacheFile.exists()) {
                Bitmap cachedBitmap = BitmapFactory.decodeFile(cacheFile.toString(), decodeOptions);
                if (cachedBitmap != null) {
                    return cachedBitmap;
                }
            }

            try {
                // TODO: check for HTTP caching headers
                final HttpClient httpClient = SyncService.getHttpClient(context.getApplicationContext());
                final HttpResponse resp = httpClient.execute(new HttpGet(url));
                final HttpEntity entity = resp.getEntity();

                final int statusCode = resp.getStatusLine().getStatusCode();
                if (statusCode != HttpStatus.SC_OK || entity == null) {
                    return null;
                }

                final byte[] respBytes = EntityUtils.toByteArray(entity);

                // Write response bytes to cache.
                if (cacheFile != null) {
                    try {
                        cacheFile.getParentFile().mkdirs();
                        cacheFile.createNewFile();
                        FileOutputStream fos = new FileOutputStream(cacheFile);
                        fos.write(respBytes);
                        fos.close();
                    } catch (FileNotFoundException e) {
                        Log.w(TAG, "Error writing to bitmap cache: " + cacheFile.toString(), e);
                    } catch (IOException e) {
                        Log.w(TAG, "Error writing to bitmap cache: " + cacheFile.toString(), e);
                    }
                }

                // Decode the bytes and return the bitmap.
                return BitmapFactory.decodeByteArray(respBytes, 0, respBytes.length, decodeOptions);
            } catch (Exception e) {
                Log.w(TAG, "Problem while loading image: " + e.toString(), e);
            }
            return null;
        }

        @Override
        protected void onPostExecute(Bitmap result) {
            callback.onFetchComplete(cookie, result);
        }
    }.execute(url);
}

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From source file:tw.idv.gasolin.pycontw2012.util.BitmapUtils.java

/**
 * Only call this method from the main (UI) thread. The
 * {@link OnFetchCompleteListener} callback be invoked on the UI thread, but
 * image fetching will be done in an {@link AsyncTask}.
 * /*from   www  .j  ava 2  s .  c  o m*/
 * @param cookie
 *            An arbitrary object that will be passed to the callback.
 */
public static void fetchImage(final Context context, final String url,
        final BitmapFactory.Options decodeOptions, final Object cookie,
        final OnFetchCompleteListener callback) {
    new AsyncTask<String, Void, Bitmap>() {
        @Override
        protected Bitmap doInBackground(String... params) {
            final String url = params[0];
            if (TextUtils.isEmpty(url)) {
                return null;
            }

            // First compute the cache key and cache file path for this URL
            File cacheFile = null;
            try {
                MessageDigest mDigest = MessageDigest.getInstance("SHA-1");
                mDigest.update(url.getBytes());
                final String cacheKey = bytesToHexString(mDigest.digest());
                if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
                    cacheFile = new File(Environment.getExternalStorageDirectory() + File.separator + "Android"
                            + File.separator + "data" + File.separator + context.getPackageName()
                            + File.separator + "cache" + File.separator + "bitmap_" + cacheKey + ".tmp");
                }
            } catch (NoSuchAlgorithmException e) {
                // Oh well, SHA-1 not available (weird), don't cache
                // bitmaps.
            }

            if (cacheFile != null && cacheFile.exists()) {
                Bitmap cachedBitmap = BitmapFactory.decodeFile(cacheFile.toString(), decodeOptions);
                if (cachedBitmap != null) {
                    return cachedBitmap;
                }
            }

            try {
                // TODO: check for HTTP caching headers
                final HttpClient httpClient = SyncService.getHttpClient(context.getApplicationContext());
                final HttpResponse resp = httpClient.execute(new HttpGet(url));
                final HttpEntity entity = resp.getEntity();

                final int statusCode = resp.getStatusLine().getStatusCode();
                if (statusCode != HttpStatus.SC_OK || entity == null) {
                    return null;
                }

                final byte[] respBytes = EntityUtils.toByteArray(entity);

                // Write response bytes to cache.
                if (cacheFile != null) {
                    try {
                        cacheFile.getParentFile().mkdirs();
                        cacheFile.createNewFile();
                        FileOutputStream fos = new FileOutputStream(cacheFile);
                        fos.write(respBytes);
                        fos.close();
                    } catch (FileNotFoundException e) {
                        Log.w(TAG, "Error writing to bitmap cache: " + cacheFile.toString(), e);
                    } catch (IOException e) {
                        Log.w(TAG, "Error writing to bitmap cache: " + cacheFile.toString(), e);
                    }
                }

                // Decode the bytes and return the bitmap.
                return BitmapFactory.decodeByteArray(respBytes, 0, respBytes.length, decodeOptions);
            } catch (Exception e) {
                Log.w(TAG, "Problem while loading image: " + e.toString(), e);
            }
            return null;
        }

        @Override
        protected void onPostExecute(Bitmap result) {
            callback.onFetchComplete(cookie, result);
        }
    }.execute(url);
}

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From source file:info.guardianproject.otr.app.im.app.DatabaseUtils.java

private static RoundedAvatarDrawable decodeAvatar(byte[] data, int width, int height) {

    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;/* w w w  .j  a v  a2s . co  m*/
    BitmapFactory.decodeByteArray(data, 0, data.length, options);
    options.inSampleSize = calculateInSampleSize(options, width, height);
    options.inJustDecodeBounds = false;
    Bitmap b = BitmapFactory.decodeByteArray(data, 0, data.length, options);
    if (b != null) {
        RoundedAvatarDrawable avatar = new RoundedAvatarDrawable(b);
        return avatar;
    } else
        return null;
}

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