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;
}
