Get bitmap from url, scale down by set BitmapOptions.

GetUrlBitmap.java

private Bitmap getBitmapFromUrl(String src) {
        if (!TextUtils.isEmpty(src)) {
            try {
                URL url = new URL(src);
                HttpURLConnection connection = (HttpURLConnection) url.openConnection();
                connection.setDoInput(true);
                connection.connect();
                InputStream inputStream = connection.getInputStream();

                BitmapFactory.Options options = new BitmapFactory.Options();
                options.inJustDecodeBounds = true;

                Bitmap bitmap;
                if (inputStream.markSupported()) {
                    Log.d(TAG, "getBitmapFromUrl: markSuported = true, mark and reset stream to reuse");
                    inputStream.mark(inputStream.available());

                    BitmapFactory.decodeStream(inputStream, null, options);
                    options.inSampleSize = calculateInSampleSize(options, ScreenUtils.getPx(140), ScreenUtils.getPx(200));
                    options.inJustDecodeBounds = false;

                    inputStream.reset();

                    bitmap = BitmapFactory.decodeStream(inputStream, null, options);
                } else {
                    Log.d(TAG, "getBitmapFromUrl: markSuported = false");
                    ByteArrayOutputStream buffer = new ByteArrayOutputStream();

                    int nRead;
                    byte[] data = new byte[16384];
                    while ((nRead = inputStream.read(data, 0, data.length)) != -1) {
                        buffer.write(data, 0, nRead);
                    }

                    data = buffer.toByteArray();
                    buffer.flush();
                    Log.d(TAG, "getBitmapFromUrl: byte array size = " + data.length);

                    BitmapFactory.decodeByteArray(data, 0, data.length, options);
                    options.inSampleSize = calculateInSampleSize(options, ScreenUtils.getPx(140), ScreenUtils.getPx(200));
                    options.inJustDecodeBounds = false;

                    bitmap = BitmapFactory.decodeByteArray(data, 0, data.length, options);
                }

                inputStream.close();

                return bitmap;
            } catch (MalformedURLException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        return null;
    }

    private int calculateInSampleSize(BitmapFactory.Options options, int reqHeight, int reqWidth) {
        Log.d(TAG, "calculateInSampleSize: options: " + options.outWidth + ", " + options.outHeight + " req: " + reqWidth + ", " + reqHeight);
        final int height = options.outHeight;
        final int width = options.outWidth;
        int sampleSize = 1;

        if (height > reqHeight || width > reqWidth) {
            final int halfHeight = height / 2;
            final int halfWidth = width / 2;

            while ((halfHeight / sampleSize) >= reqHeight
                    && (halfWidth / sampleSize) >= reqWidth) {
                sampleSize *= 2;
            }
        }

        Log.d(TAG, "calculateInSampleSize: " + sampleSize);
        return sampleSize;
    }