public Bitmap getBitmap(String fileId, String size, boolean fromUrl) { File file = fileCache.getFile(fileId + size); // from SD cache Bitmap bitmap = decodeFile(file, size); if (bitmap != null) { return bitmap; } // from web try { bitmap = null; if (fromUrl) { InputStream is = ConnectionHandler.httpGetRequest(fileId, UsersManagement.getLoginUser().getId()); OutputStream os = new FileOutputStream(file); Utils.copyStream(is, os); os.close(); is.close(); } else { CouchDB.downloadFile(fileId, file); } bitmap = decodeFile(file, size); return bitmap; // return ConnectionHandler.getBitmapObject(url); } catch (Throwable ex) { ex.printStackTrace(); if (ex instanceof OutOfMemoryError) memoryCache.clear(); return null; } }
public Bitmap getBitmap(String url) { File f = fileCache.getFile(url); // from SD cache Bitmap bitmap = decodeFile(f); if (bitmap != null) { Logger.error("ImageLoader", "fileCache.returnBitmap : " + url); return bitmap; } // from web try { bitmap = null; InputStream is = ConnectionHandler.httpGetRequest(url, UsersManagement.getLoginUser().getId()); OutputStream os = new FileOutputStream(f); Utils.copyStream(is, os); os.close(); is.close(); // conn.disconnect(); bitmap = decodeFile(f); return bitmap; // return ConnectionHandler.getBitmapObject(url); } catch (Throwable ex) { ex.printStackTrace(); if (ex instanceof OutOfMemoryError) memoryCache.clear(); return null; } }
// decodes image and scales it to reduce memory consumption private Bitmap decodeFile(File f, String size) { try { // decode image size BitmapFactory.Options o = new BitmapFactory.Options(); o.inJustDecodeBounds = true; FileInputStream stream1 = new FileInputStream(f); BitmapFactory.decodeStream(stream1, null, o); stream1.close(); int REQUIRED_SIZE = 200; // Find the correct scale value. It should be the power of 2. if (size.equals(SMALL)) { REQUIRED_SIZE = SIZE_SMALL; } else if (size.equals(LARGE)) { REQUIRED_SIZE = SIZE_LARGE; } int width_tmp = o.outWidth, height_tmp = o.outHeight; int scale = 1; while (true) { if (width_tmp / 2 < REQUIRED_SIZE || height_tmp / 2 < REQUIRED_SIZE) break; width_tmp /= 2; height_tmp /= 2; scale *= 2; } // scale=4; // decode with inSampleSize BitmapFactory.Options o2 = new BitmapFactory.Options(); o2.inSampleSize = scale; if (Utils.isOsVersionHigherThenGingerbread()) { o2.inPreferredConfig = Bitmap.Config.ARGB_8888; } else { o2.inPreferredConfig = Bitmap.Config.RGB_565; } FileInputStream stream2 = new FileInputStream(f); Bitmap bitmap = BitmapFactory.decodeStream(stream2, null, o2); stream2.close(); return bitmap; } catch (FileNotFoundException e) { } catch (IOException e) { e.printStackTrace(); } return null; }