首先给大家展示下效果图：
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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();}@overridepublic int getcount() {// todo auto-generated method stubreturn list.size();}@overridepublic int getviewtypecount() {// todo auto-generated method stubreturn type_count;}@overridepublic homeedus getitem(int position) {// todo auto-generated method stubreturn list.get(position);}@overridepublic long getitemid(int postion) {// todo auto-generated method stubreturn postion;}@overridepublic int getitemviewtype(int position) {// todo auto-generated method stubhomeedus 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;}@overridepublic view getview(int position, view convertview, viewgroup parent) {// todo auto-generated method stubfinal 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 extendssimpleimageloadinglistener {static final list<string> displayedimages = collections.synchronizedlist(new linkedlist<string>());@overridepublic 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);}}}}} |
