VolleyAdapter.java

/*
 * This file provided by Facebook is for non-commercial testing and evaluation
 * purposes only.  Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.facebook.fresco.sample.adapters;

import android.content.Context;

import com.android.volley.toolbox.ImageLoader;

import com.facebook.fresco.sample.R;
import com.facebook.fresco.sample.configs.volley.SampleVolleyFactory;
import com.facebook.fresco.sample.instrumentation.InstrumentedNetworkImageView;
import com.facebook.fresco.sample.instrumentation.PerfListener;

/** Populate the list view with images using the Volley library's ImageLoader. */
public class VolleyAdapter extends ImageListAdapter<InstrumentedNetworkImageView> {

  private final ImageLoader mImageLoader;

  public VolleyAdapter(Context context, int resourceId, PerfListener perfListener) {
    super(context, resourceId, perfListener);
    mImageLoader = SampleVolleyFactory.getImageLoader(context);
  }

  @Override
  protected Class<InstrumentedNetworkImageView> getViewClass() {
    return InstrumentedNetworkImageView.class;
  }

  protected InstrumentedNetworkImageView createView() {
    InstrumentedNetworkImageView view = new InstrumentedNetworkImageView(getContext());
    view.setDefaultImageResId(R.color.placeholder);
    view.setErrorImageResId(R.color.error);
    return view;
  }

  protected void bind(InstrumentedNetworkImageView view, String uri) {
    view.setImageUrl(uri, mImageLoader);
  }

  @Override
  public void shutDown() {
    super.clear();
    SampleVolleyFactory.getMemoryCache().clear();
  }
}