/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.volley.demo;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import com.android.volley.cache.SimpleImageLoader;
import com.android.volley.ui.PhotoView;
import com.volley.demo.util.Utils;
/**
* This fragment will populate the children of the ViewPager from {@link ImageDetailActivity}.
*/
public class ImageDetailFragment extends Fragment {
private static final String IMAGE_DATA_EXTRA = "extra_image_data";
private String mImageUrl;
private PhotoView mImageView;
private SimpleImageLoader mImageLoader;
/**
* Factory method to generate a new instance of the fragment given an image number.
*
* @param imageUrl The image url to load
* @return A new instance of ImageDetailFragment with imageNum extras
*/
public static ImageDetailFragment newInstance(String imageUrl) {
final ImageDetailFragment f = new ImageDetailFragment();
final Bundle args = new Bundle();
args.putString(IMAGE_DATA_EXTRA, imageUrl);
f.setArguments(args);
return f;
}
/**
* Empty constructor as per the Fragment documentation
*/
public ImageDetailFragment() {}
/**
* Populate image using a url from extras, use the convenience factory method
* {@link ImageDetailFragment#newInstance(String)} to create this fragment.
*/
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mImageUrl = getArguments() != null ? getArguments().getString(IMAGE_DATA_EXTRA) : null;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate and locate the main ImageView
final View v = inflater.inflate(R.layout.image_detail_fragment, container, false);
mImageView = (PhotoView) v.findViewById(R.id.imageView);
mImageView.setFullScreen(true, true);
mImageView.enableImageTransforms(true);
return v;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// Use the parent activity to load the image asynchronously into the ImageView (so a single
// cache can be used over all pages in the ViewPager
if (ImageDetailActivity.class.isInstance(getActivity())) {
mImageLoader = ((ImageDetailActivity) getActivity()).getImageFetcher();
mImageLoader.get(mImageUrl, mImageView);
//mImageView.setImageUrl(mImageUrl, mImageFetcher);
}
// Pass clicks on the ImageView to the parent activity to handle
if (OnClickListener.class.isInstance(getActivity()) && Utils.hasHoneycomb()) {
mImageView.setOnClickListener((OnClickListener) getActivity());
}
}
@Override
public void onDestroy() {
super.onDestroy();
if (mImageView != null) {
mImageView.setImageDrawable(null);
}
}
}