Java tutorial
/* Copyright (c) 2013 Roman Truba Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 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 THE AUTHORS OR COPYRIGHT HOLDERS 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.zhongsou.souyue.adapter; import android.animation.Animator; import android.content.Context; import android.graphics.Bitmap; import android.support.v4.view.PagerAdapter; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; import com.nostra13.universalimageloader.core.assist.FailReason; import com.nostra13.universalimageloader.core.listener.ImageLoadingListener; import com.zhongsou.souyue.R; import com.zhongsou.souyue.activity.GalleryNewsActivity; import com.zhongsou.souyue.im.util.MyDisplayImageOption; import com.zhongsou.souyue.im.util.PhotoUtils; import com.zhongsou.souyue.module.GalleryNewsItem; import com.zhongsou.souyue.module.GalleryNewsList; import com.zhongsou.souyue.module.GalleryRecommendItem; import com.zhongsou.souyue.ui.gallery.touchview.UrlTouchImageView; import com.zhongsou.souyue.ui.gallery.touchview.UrlTouchImageView.DownLoadLinstener; import java.util.ArrayList; import java.util.List; /** * ?adapter,? */ public class GalleryNewsPagerAdapter extends PagerAdapter implements ImageLoadingListener { private GalleryNewsList mNewsList; private Context mContext; private Animator mCurrentAnimator; private int mShortAnimationDuration; public static final String RELATE_TAG = "relate"; //adapter private final GalleryRecommendAdapter mAdapter; /** * ??????? * * @param context * @param mNewsList */ public GalleryNewsPagerAdapter(Context context, GalleryNewsList mNewsList) { this.mContext = context; mShortAnimationDuration = mContext.getResources().getInteger(android.R.integer.config_shortAnimTime); this.mNewsList = mNewsList; mAdapter = new GalleryRecommendAdapter(mContext, mNewsList.getRelate(), (GalleryNewsActivity) mContext); } @Override public Object instantiateItem(ViewGroup collection, int position) { if (RELATE_TAG.equals(getItem(position))) { //?? View lastPage = View.inflate(mContext, R.layout.gallerynews_activity_recommend, null); initRecommendView(lastPage); collection.addView(lastPage); return lastPage; } else { //??? UrlTouchImageView iv = new UrlTouchImageView(mContext); iv.setDownLoadLinstener((DownLoadLinstener) mContext); iv.setBgUrl(mNewsList.getContent().get(position).getUrl()); collection.addView(iv, 0); return iv; } } private void initRecommendView(View lastPage) { ListView listView = (ListView) lastPage.findViewById(R.id.gallery_recommend_list); listView.setAdapter(mAdapter); } @Override public int getCount() { //recommendlist ??+1; return mNewsList.getContent().size() + (mNewsList.getRelate() == null ? 0 : 1); } @Override public boolean isViewFromObject(View arg0, Object arg1) { return arg0.equals(arg1); } @Override public void destroyItem(ViewGroup container, int position, Object object) { container.removeView((View) object); } public Object getItem(int pos) { if (pos < mNewsList.getContent().size()) { return mNewsList.getContent().get(pos).getUrl(); } return RELATE_TAG; } /** * ???apapter */ private class GalleryRecommendAdapter extends BaseAdapter { private final List<GalleryRecommendItem> mList; private final Context mContext; private final OnItemClickListener mListener; public GalleryRecommendAdapter(Context mContext, List<GalleryNewsItem> relate, OnItemClickListener listener) { this.mList = new ArrayList<GalleryRecommendItem>(); this.mContext = mContext; mListener = listener; initmList(relate); } private void initmList(List<GalleryNewsItem> relate) { //relate?5com.zhongsou.souyue.module.GalleryNewsList.getRelate(), // if (relate == null) return; //???? //line 1 mList.add(new GalleryRecommendItem(GalleryRecommendItem.TYPE_RECOMMENDLIST_DOUBLE, relate.get(0), relate.get(1))); //line 2 mList.add(new GalleryRecommendItem(GalleryRecommendItem.TYPE_RECOMMEND_LIST_SINGLE, relate.get(2))); //line 3 mList.add(new GalleryRecommendItem(GalleryRecommendItem.TYPE_RECOMMENDLIST_DOUBLE, relate.get(3), relate.get(4))); } @Override public int getCount() { return mList.size(); } @Override public Object getItem(int position) { return mList.get(position); } @Override public long getItemId(int position) { return position; } /** * getview ?viewholder.???listview * @param position * @param convertView * @param parent * @return */ @Override public View getView(int position, View convertView, ViewGroup parent) { View view = null; if (mList.get(position).type == GalleryNewsItem.TYPE_RECOMMEND_LIST_SINGLE) { view = View.inflate(mContext, R.layout.gallerynews_recommend_item_singleline, null); } else { view = View.inflate(mContext, R.layout.gallerynews_recommend_item, null); } setViewData(view, mList.get(position)); return view; } /** * view? * * @param convertView * @param galleryRecommendInfo */ private void setViewData(View convertView, final GalleryRecommendItem galleryRecommendInfo) { //findView ImageView iv_recommend_1 = (ImageView) convertView.findViewById(R.id.gallery_recommend_image1); TextView tv_recommend_1 = (TextView) convertView.findViewById(R.id.gallery_recommend_text1); ImageView iv_recommend_2 = (ImageView) convertView.findViewById(R.id.gallery_recommend_image2); TextView tv_recommend_2 = (TextView) convertView.findViewById(R.id.gallery_recommend_text2); //set listener convertView.findViewById(R.id.gallery_recommend_item_1).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onItemClick(galleryRecommendInfo.items.get(0)); } }); View rightItem = convertView.findViewById(R.id.gallery_recommend_item_2); if (rightItem != null) { rightItem.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onItemClick(galleryRecommendInfo.items.get(1)); } }); } //set data if (galleryRecommendInfo.type == GalleryNewsItem.TYPE_RECOMMEND_LIST_SINGLE) { //?? PhotoUtils.showCard(PhotoUtils.UriType.HTTP, galleryRecommendInfo.items.get(0).getImg(), iv_recommend_1, MyDisplayImageOption.getOptions(R.drawable.pic_default), GalleryNewsPagerAdapter.this); tv_recommend_1.setText(galleryRecommendInfo.items.get(0).getTitle()); } else if (galleryRecommendInfo.type == GalleryNewsItem.TYPE_RECOMMENDLIST_DOUBLE) { //?? // PhotoUtils.showCard(PhotoUtils.UriType.HTTP, galleryRecommendInfo.items.get(0).getImg(), iv_recommend_1, MyDisplayImageOption.getOptions(R.drawable.pic_default), GalleryNewsPagerAdapter.this); tv_recommend_1.setText(galleryRecommendInfo.items.get(0).getTitle()); // PhotoUtils.showCard(PhotoUtils.UriType.HTTP, galleryRecommendInfo.items.get(1).getImg(), iv_recommend_2, MyDisplayImageOption.getOptions(R.drawable.pic_default), GalleryNewsPagerAdapter.this); tv_recommend_2.setText(galleryRecommendInfo.items.get(1).getTitle()); } } } @Override public void onLoadingFailed(String imageUri, View view, FailReason failReason) { ImageView v = (ImageView) view; v.setScaleType(ImageView.ScaleType.CENTER); } @Override public void onLoadingCancelled(String imageUri, View view) { } @Override public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) { ImageView v = (ImageView) view; v.setScaleType(ImageView.ScaleType.CENTER_CROP); } @Override public void onLoadingStarted(String imageUri, View view) { ImageView v = (ImageView) view; v.setScaleType(ImageView.ScaleType.CENTER); } /** * */ public interface OnItemClickListener { void onItemClick(GalleryNewsItem item); } }