@Override
protected CacheableBitmapDrawable doInBackground(String... params) {
try {
// Return early if the ImageView has disappeared.
if (holder.userId != userId) {
return null;
}
final String url = params[0];
// Now we're not on the main thread we can check all caches
CacheableBitmapDrawable result;
try {
result = mCache.get(url, null);
} catch (Exception e) {
result = null;
}
if (null == result) {
Log.d("ImageUrlAsyncTask", "Downloading: " + url);
// The bitmap isn't cached so download from the web
HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
InputStream is = new BufferedInputStream(conn.getInputStream());
Bitmap b = decodeSampledBitmapFromResourceMemOpt(is, 500, 500);
try {
is.close();
} catch (Exception e) {
}
try {
conn.disconnect();
} catch (Exception e) {
}
// Add to cache
try {
result = mCache.put(url, b);
} catch (Exception e) {
result = null;
}
} else {
Log.d("ImageUrlAsyncTask", "Got from Cache: " + url);
}
return result;
} catch (IOException e) {
Log.e("ImageUrlAsyncTask", e.toString());
} catch (OutOfMemoryError e) {
e.printStackTrace();
}
return null;
}
@Override
protected CacheableBitmapDrawable doInBackground(String... params) {
try {
if (holder.userId != id) {
return null;
}
final String url = params[0];
// Now we're not on the main thread we can check all caches
CacheableBitmapDrawable result;
try {
result = mCache.get(url, null);
} catch (Exception e) {
return null;
}
if (null == result) {
// The bitmap isn't cached so download from the web
HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
InputStream is = new BufferedInputStream(conn.getInputStream());
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = false;
Bitmap b = decodeSampledBitmapFromResourceMemOpt(is, 500, 500);
// Add to cache
try {
result = mCache.put(url, b);
} catch (Exception e) {
result = null;
}
try {
is.close();
} catch (Exception e) {
}
try {
conn.disconnect();
} catch (Exception e) {
}
}
return result;
} catch (IOException e) {
Log.e("ImageUrlAsyncTask", e.toString());
} catch (OutOfMemoryError e) {
Log.v("ImageUrlAsyncTask", "Out of memory error here");
}
return null;
}
public void loadImage(
Context context,
final ViewHolder holder,
final String url,
BitmapLruCache mCache,
final long tweetId) {
// First check whether there's already a task running, if so cancel it
/*if (null != mCurrentTask) {
mCurrentTask.cancel(true);
}*/
if (url == null) {
return;
}
BitmapDrawable wrapper = mCache.getFromMemoryCache(url);
if (null != wrapper && holder.picture.getVisibility() != View.GONE) {
// The cache has it, so just display it
holder.picture.setImageDrawable(wrapper);
Animation fadeInAnimation = AnimationUtils.loadAnimation(context, R.anim.fade_in);
holder.picture.startAnimation(fadeInAnimation);
} else {
// Memory Cache doesn't have the URL, do threaded request...
holder.picture.setImageDrawable(null);
mCurrentTask = new ImageUrlAsyncTask(context, holder, mCache, tweetId);
try {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
SDK11.executeOnThreadPool(mCurrentTask, url);
} else {
mCurrentTask.execute(url);
}
} catch (RejectedExecutionException e) {
// This shouldn't happen, but might.
}
}
}
