首先给大家展示下效果图：
public class HomeEduMoreAdapter extends BaseAdapter { private final String TAG = "HomeEduMoreAdapter"; private static final int TYPE_COMMON = ; private static final int TYPE_BL = ; private static final int TYPE_NONE = ; private static final int TYPE_THREE = ; private static final int TYPE_QUESTION = ; private int TYPE_COUNT = ; private LayoutInflater inflater; private List<HomeEdus> list; private Context context; private DisplayImageOptions options; private ImageLoadingListener animateFirstListener = new AnimateFirstDisplayListener(); public HomeEduMoreAdapter(Context context, List<HomeEdus> objects) { this.context = context; // groupUserDao = new GroupUserDao(context); inflater = LayoutInflater.from(context); list = objects; options = new DisplayImageOptions.Builder().cacheInMemory(true) .imageScaleType(ImageScaleType.IN_SAMPLE_INT) .bitmapConfig(Bitmap.Config.RGB_).cacheOnDisk(true) .showImageOnLoading(R.drawable.icon_default)// 设置图片在下载期间显示的图片 .showImageForEmptyUri(R.drawable.icon_default)// 设置图片Uri为空或是错误的时候显示的图片 .showImageOnFail(R.drawable.icon_default)// 设置图片加载/解码过程中错误时候显示的图片 .considerExifParams(true).build(); } @Override public int getCount() { // TODO Auto-generated method stub return list.size(); } @Override public int getViewTypeCount() { // TODO Auto-generated method stub return TYPE_COUNT; } @Override public HomeEdus getItem(int position) { // TODO Auto-generated method stub return list.get(position); } @Override public long getItemId(int postion) { // TODO Auto-generated method stub return postion; } @Override public int getItemViewType(int position) { // TODO Auto-generated method stub HomeEdus edus = getItem(position); String type = edus.getType();// 菜单类型 int result = TYPE_COMMON; switch (type) { case "hx": result = TYPE_COMMON; break; case "wd": if (edus.getPic() == null || edus.getPic().equals("")) { result = TYPE_QUESTION; }else { result = TYPE_COMMON; } break; case "jt": result = TYPE_COMMON; break; case "bl": result = TYPE_BL; break; default: String jx = edus.getType();// 精选内容类型 switch (jx) { default: Integer imgNum = Integer.parseInt(edus.getImgNum()); if (imgNum != null && imgNum > && imgNum < ) { result = TYPE_COMMON; } else if (imgNum != null && imgNum >= ) { result = TYPE_THREE; } else { result = TYPE_NONE; } break; } break; } return result; } @Override public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub final HomeEdus model = getItem(position); int type = getItemViewType(position); final ViewHolder holder; if (convertView == null) { holder = new ViewHolder(); WindowManager manager = (WindowManager) context .getSystemService(Context.WINDOW_SERVICE); int width = manager.getDefaultDisplay().getWidth(); int height = manager.getDefaultDisplay().getWidth() / ; switch (type) { case TYPE_COMMON: convertView = inflater.inflate(R.layout.item_home_edus, null); holder.tv_content = (QSTextView) convertView .findViewById(R.id.tv_content); holder.tv_content.setTextColor(Color.GRAY); holder.tv_title = (QSTextView) convertView .findViewById(R.id.tv_title); holder.tv_name = (TextView) convertView .findViewById(R.id.tv_name); // holder.img_head = (CircleImageView) convertView // .findViewById(R.id.img_head); holder.img_content = (ImageView) convertView .findViewById(R.id.img_content); holder.tv_read = (TextView) convertView .findViewById(R.id.tv_read); holder.tv_comment = (TextView) convertView .findViewById(R.id.tv_comment); holder.tv_thumbupNum = (TextView) convertView .findViewById(R.id.tv_thumbupNum); break; case TYPE_QUESTION: convertView = inflater.inflate(R.layout.item_home_question, null); holder.tv_content = (QSTextView) convertView .findViewById(R.id.tv_content); holder.tv_content.setTextColor(Color.GRAY); holder.tv_title = (QSTextView) convertView .findViewById(R.id.tv_title); holder.tv_name = (TextView) convertView .findViewById(R.id.tv_name); holder.tv_read = (TextView) convertView .findViewById(R.id.tv_read); holder.tv_comment = (TextView) convertView .findViewById(R.id.tv_comment); holder.tv_thumbupNum = (TextView) convertView .findViewById(R.id.tv_thumbupNum); break; case TYPE_BL: case TYPE_NONE: convertView = inflater.inflate(R.layout.item_home_case, null); holder.tv_content = (QSTextView) convertView .findViewById(R.id.tv_content); holder.tv_content.setTextColor(Color.GRAY); holder.tv_title = (QSTextView) convertView .findViewById(R.id.tv_title); holder.tv_name = (TextView) convertView .findViewById(R.id.tv_name); holder.img_content = (ImageView) convertView .findViewById(R.id.img_content); LayoutParams para = holder.img_content.getLayoutParams(); para.height = height; para.width = width; holder.img_content.setLayoutParams(para); holder.tv_read = (TextView) convertView .findViewById(R.id.tv_read); holder.tv_comment = (TextView) convertView .findViewById(R.id.tv_comment); holder.tv_thumbupNum = (TextView) convertView .findViewById(R.id.tv_thumbupNum); break; case TYPE_THREE: convertView = inflater.inflate(R.layout.item_home_three, null); holder.tv_content = (QSTextView) convertView .findViewById(R.id.tv_content); holder.tv_content.setTextColor(Color.GRAY); holder.tv_title = (QSTextView) convertView .findViewById(R.id.tv_title); holder.tv_name = (TextView) convertView .findViewById(R.id.tv_name); holder.img_content = (ImageView) convertView .findViewById(R.id.img_content); holder.img_content = (ImageView) convertView .findViewById(R.id.img_content); holder.img_content = (ImageView) convertView .findViewById(R.id.img_content); int w = width / ; LayoutParams p = holder.img_content.getLayoutParams(); p.height = (int)(w*.f); p.width = w; holder.img_content.setLayoutParams(p); p = holder.img_content.getLayoutParams(); p.height = (int)(w*.f); p.width = w; holder.img_content.setLayoutParams(p); p = holder.img_content.getLayoutParams(); p.height = (int)(w*.f); p.width = w; holder.img_content.setLayoutParams(p); holder.tv_read = (TextView) convertView .findViewById(R.id.tv_read); holder.tv_comment = (TextView) convertView .findViewById(R.id.tv_comment); holder.tv_thumbupNum = (TextView) convertView .findViewById(R.id.tv_thumbupNum); break; } convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } switch (type) { case TYPE_COMMON: case TYPE_BL: setCommon(holder, model); break; case TYPE_QUESTION: setQuestion(holder,model); break; case TYPE_NONE: setCase(holder, model); break; case TYPE_THREE: setThree(holder, model); break; } return convertView; } private void setCommon(ViewHolder holder, HomeEdus entity) { String content = entity.getDesc(); int clength = content.length(); if (clength > ) { content = content.substring(, ) + "..."; } holder.tv_content.setMText(content); String title = entity.getTitle(); int tlength = title.length(); if (tlength > ) { title = title.substring(, ) + "..."; } holder.tv_title.setMText(title); // int height = holder.tv_title.getHeight(); holder.tv_thumbupNum.setText(entity.getThumbupNum()); holder.tv_read.setText(entity.getReadNum()); holder.tv_comment.setText(entity.getCommentNum()); holder.tv_name.setText(entity.getSourceName()); // if (entity.getHead_img() != null && !entity.getHead_img().equals("")) // { // ImageLoader.getInstance().displayImage(entity.getHead_img().trim(), // holder.img_head, options, animateFirstListener); // } else { // holder.img_head.setImageResource(R.drawable.pic_head_none_login); // } if (entity.getPic() != null && !entity.getPic().equals("")) { holder.img_content.setBackground(null); ImageLoader.getInstance().displayImage( entity.getPic().trim(), holder.img_content, options, animateFirstListener); } } private void setCase(ViewHolder holder, HomeEdus entity) { String content = entity.getDesc(); int clength = content.length(); if (clength > ) { content = content.substring(, ) + "..."; } holder.tv_content.setMText(content); String title = entity.getTitle(); int tlength = title.length(); if (tlength > ) { title = title.substring(, ) + "..."; } holder.tv_title.setMText(title); // int height = holder.tv_title.getHeight(); holder.tv_thumbupNum.setText(entity.getThumbupNum()); holder.tv_read.setText(entity.getReadNum()); holder.tv_comment.setText(entity.getCommentNum()); holder.tv_name.setText(entity.getSourceName()); if (entity.getPic() != null && !entity.getPic().equals("")) { holder.img_content.setBackground(null); ImageLoader.getInstance().displayImage( entity.getPic().trim(), holder.img_content, options, animateFirstListener); } } private void setThree(ViewHolder holder, HomeEdus entity) { String content = entity.getDesc(); int clength = content.length(); if (clength > ) { content = content.substring(, ) + "..."; } holder.tv_content.setMText(content); String title = entity.getTitle(); int tlength = title.length(); if (tlength > ) { title = title.substring(, ) + "..."; } holder.tv_title.setMText(title); // int height = holder.tv_title.getHeight(); holder.tv_thumbupNum.setText(entity.getThumbupNum()); holder.tv_read.setText(entity.getReadNum()); holder.tv_comment.setText(entity.getCommentNum()); holder.tv_name.setText(entity.getSourceName()); holder.img_content.setImageResource(R.drawable.icon_default); holder.img_content.setImageResource(R.drawable.icon_default); holder.img_content.setImageResource(R.drawable.icon_default); if (entity.getPic() != null && !entity.getPic().equals("")) { holder.img_content.setBackground(null); ImageLoader.getInstance().displayImage( entity.getPic().trim(), holder.img_content, options, animateFirstListener); } if (entity.getPic() != null && !entity.getPic().equals("")) { holder.img_content.setBackground(null); ImageLoader.getInstance().displayImage( entity.getPic().trim(), holder.img_content, options, animateFirstListener); } if (entity.getPic() != null && !entity.getPic().equals("")) { holder.img_content.setBackground(null); ImageLoader.getInstance().displayImage( entity.getPic().trim(), holder.img_content, options, animateFirstListener); } } private void setQuestion(ViewHolder holder, HomeEdus entity) { String content = entity.getDesc(); int clength = content.length(); if (clength > ) { content = content.substring(, ) + "..."; } holder.tv_content.setMText(content); String title = entity.getTitle(); int tlength = title.length(); if (tlength > ) { title = title.substring(, ) + "..."; } holder.tv_title.setMText(title); // int height = holder.tv_title.getHeight(); holder.tv_thumbupNum.setText(entity.getThumbupNum()); holder.tv_read.setText(entity.getReadNum()); holder.tv_comment.setText(entity.getCommentNum()); holder.tv_name.setText(entity.getSourceName()); } public void setList(List<HomeEdus> list) { this.list.clear(); this.list.addAll(list); notifyDataSetChanged(); } static class ViewHolder { public QSTextView tv_title; public QSTextView tv_content; public ImageView img_content; public TextView tv_name; public TextView tv_read; public TextView tv_comment; public TextView tv_thumbupNum; public ImageView img_content; public ImageView img_content; public ImageView img_content; } private static class AnimateFirstDisplayListener extends SimpleImageLoadingListener { static final List<String> displayedImages = Collections .synchronizedList(new LinkedList<String>()); @Override public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) { if (loadedImage != null) { ImageView imageView = (ImageView) view; boolean firstDisplay = !displayedImages.contains(imageUri); if (firstDisplay) { FadeInBitmapDisplayer.animate(imageView, ); displayedImages.add(imageUri); } } } } }
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