Use entrySet instead of keySet as a workaround to avoid NoSuchMethodException

import java.net.URL;

import java.util.Iterator;

import java.util.List;

import java.util.Map.Entry;

import java.util.Set;

import java.util.concurrent.ConcurrentHashMap;

import java.util.concurrent.atomic.AtomicInteger;

            mPendingRequests.clear();

            return;

        }

        ImageView[] requestSetCopy = mPendingRequests.keySet().toArray(new ImageView[

                mPendingRequests.size()]);

        for (ImageView imageView : requestSetCopy) {

        final Iterator<Entry<ImageView, Request>> iterator = mPendingRequests.entrySet().iterator();

        while (iterator.hasNext()) {

            final ImageView imageView = iterator.next().getKey();

            // If an ImageView is orphaned (currently scrap) or a child of fragmentRootView, then

            // we can safely remove its request.

            if (imageView.getParent() == null || isChildView(fragmentRootView, imageView)) {

                mPendingRequests.remove(imageView);

                iterator.remove();

            }

        }

    }

     * photos still haven't been loaded, sends another request for image loading.

     */

    private void processLoadedImages() {

        Iterator<ImageView> iterator = mPendingRequests.keySet().iterator();

        final Iterator<Entry<ImageView, Request>> iterator = mPendingRequests.entrySet().iterator();

        while (iterator.hasNext()) {

            ImageView view = iterator.next();

            Request key = mPendingRequests.get(view);

            final Entry<ImageView, Request> entry = iterator.next();

            // TODO: Temporarily disable contact photo fading in, until issues with

            // RoundedBitmapDrawables overlapping the default image drawables are resolved.

            boolean loaded = loadCachedPhoto(view, key, false);

            final boolean loaded = loadCachedPhoto(entry.getKey(), entry.getValue(), false);

            if (loaded) {

                iterator.remove();

            }