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Created January 28, 2013 13:38
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Android's AsyncTask for download asynchronously an image from an URL and assign it to an ImageView
import java.lang.ref.WeakReference;
import android.os.AsyncTask;
import android.util.Log;
import android.widget.ImageView;
public class DownloadImageTask extends AsyncTask<URL, Void, Bitmap> {
private static final String LOG_E_TAG = "DownloadImageTask";
private final WeakReference<ImageView> containerImageView;
public DownloadImageTask(ImageView imageView) {
this.containerImageView = new WeakReference<ImageView>(imageView);
protected Bitmap doInBackground(URL... params) {
URL imageURL = params[0];
Bitmap downloadedBitmap = null;
try {
InputStream inputStream = imageURL.openStream();
downloadedBitmap = BitmapFactory.decodeStream(inputStream);
} catch (Exception e) {
Log.e(LOG_E_TAG, e.getMessage());
return downloadedBitmap;
protected void onPostExecute(Bitmap result) {
ImageView imageView = this.containerImageView.get();
if (imageView != null) {
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when i make use of this.It is resulting the out of memory error and While Scrolling Images are reloading .There by it shows "Unfortunately app has beeen stopped"

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My stream returns an empty string to the bitmap, what might be the reason?

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