btw, i know this isn't directly connected to the issue at hand, but
i'd recommend closing the FileInputStream in a finally block so you
don't leak file descriptors.
Here's the code:
public class ProcessFiles extends AsyncTask<Void, String,Void> {
protected Void doInBackground(Void unused) {
File sdcard = new File("/sdcard");
for (int i = 0; i < sdcard.list().length; i++) {
File file = new File(sdcard,sdcard.list()[i]);
try {
FileInputStream is = new FileInputStream(file);
String artUrl= artFinder.findArtwork(is, this,
context);
publishProgress(artUrl);
if (fingerprinter.getError() != null) {
break; // Error occurred so quit
}
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
return null;
}
public void onProgressUpdate(String artUrl) {
ArtRetrievalTask task = new ArtRetrievalTask();
task.execute(artUrl);
}
}
}
public class ArtRetrievalTask extends AsyncTask<String ,
Void,Drawable> {
protected Drawable doInBackground(String artUrl) {
Drawable art = null;
if (artUrl != null && artUrl!= null) {
try {
HttpClient client = new DefaultHttpClient();
HttpParams params = client.getParams();
HttpConnectionParams.setConnectionTimeout(params, 15000);
HttpGet httpGet = new HttpGet(artUrl);
HttpResponse httpResponse = client.execute(httpGet);
HttpEntity responseEntity = httpResponse.getEntity();
byte[] artData =
EntityUtils.toByteArray(responseEntity);
if ( artData != null && artData .length > 0) {
// We could store the cover
art onto the hard drive. For this
demo however, we simply load directly into
// a Drawable for display by the UI.
ByteArrayInputStream is = new
ByteArrayInputStream(artData );
art =
Drawable.createFromStream(is, "src");
}
} catch (SocketTimeoutException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
return coverArt;
}
protected void onPostExecute(Drawable coverArt) {
imageView.setImageDrawable(coverArt);
}
}
}
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