笔记,listview视图总结

 public class HomeEduMoreAdapter extends BaseAdapter {

     private final String TAG = "HomeEduMoreAdapter";

     private static final int TYPE_COMMON = 0;
private static final int TYPE_BL = 1;
private static final int TYPE_NONE = 2;
private static final int TYPE_THREE = 3;
private static final int TYPE_QUESTION = 4;
private int TYPE_COUNT = 5; 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_565).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.getPic1() == null || edus.getPic1().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 > 0 && imgNum < 3) {
result = TYPE_COMMON;
} else if (imgNum != null && imgNum >= 3) {
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() / 2;
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 para1 = holder.img_content.getLayoutParams();
para1.height = height;
para1.width = width;
holder.img_content.setLayoutParams(para1); 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_content1 = (ImageView) convertView
.findViewById(R.id.img_content1);
holder.img_content2 = (ImageView) convertView
.findViewById(R.id.img_content2);
holder.img_content3 = (ImageView) convertView
.findViewById(R.id.img_content3);
int w = width / 3;
LayoutParams p = holder.img_content1.getLayoutParams();
p.height = (int)(w*0.7f);
p.width = w;
holder.img_content1.setLayoutParams(p); p = holder.img_content2.getLayoutParams();
p.height = (int)(w*0.7f);
p.width = w;
holder.img_content2.setLayoutParams(p); p = holder.img_content3.getLayoutParams();
p.height = (int)(w*0.7f);
p.width = w;
holder.img_content3.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 > 65) {
content = content.substring(0, 65) + "...";
}
holder.tv_content.setMText(content); String title = entity.getTitle();
int tlength = title.length();
if (tlength > 45) {
title = title.substring(0, 45) + "...";
}
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.getPic1() != null
&& !entity.getPic1().equals("")) {
holder.img_content.setBackground(null);
ImageLoader.getInstance().displayImage(
entity.getPic1().trim(), holder.img_content,
options, animateFirstListener);
}
} private void setCase(ViewHolder holder, HomeEdus entity) {
String content = entity.getDesc();
int clength = content.length();
if (clength > 65) {
content = content.substring(0, 65) + "...";
}
holder.tv_content.setMText(content); String title = entity.getTitle();
int tlength = title.length();
if (tlength > 45) {
title = title.substring(0, 45) + "...";
}
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.getPic1() != null
&& !entity.getPic1().equals("")) {
holder.img_content.setBackground(null);
ImageLoader.getInstance().displayImage(
entity.getPic1().trim(), holder.img_content,
options, animateFirstListener);
}
} private void setThree(ViewHolder holder, HomeEdus entity) {
String content = entity.getDesc();
int clength = content.length();
if (clength > 65) {
content = content.substring(0, 65) + "...";
}
holder.tv_content.setMText(content); String title = entity.getTitle();
int tlength = title.length();
if (tlength > 45) {
title = title.substring(0, 45) + "...";
}
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_content1.setImageResource(R.drawable.icon_default);
holder.img_content2.setImageResource(R.drawable.icon_default);
holder.img_content3.setImageResource(R.drawable.icon_default);
if (entity.getPic1() != null
&& !entity.getPic1().equals("")) {
holder.img_content1.setBackground(null);
ImageLoader.getInstance().displayImage(
entity.getPic1().trim(), holder.img_content1,
options, animateFirstListener);
}
if (entity.getPic2() != null
&& !entity.getPic2().equals("")) {
holder.img_content1.setBackground(null);
ImageLoader.getInstance().displayImage(
entity.getPic1().trim(), holder.img_content2,
options, animateFirstListener);
}
if (entity.getPic3() != null
&& !entity.getPic3().equals("")) {
holder.img_content1.setBackground(null);
ImageLoader.getInstance().displayImage(
entity.getPic1().trim(), holder.img_content3,
options, animateFirstListener);
}
} private void setQuestion(ViewHolder holder, HomeEdus entity) {
String content = entity.getDesc();
int clength = content.length();
if (clength > 65) {
content = content.substring(0, 65) + "...";
}
holder.tv_content.setMText(content); String title = entity.getTitle();
int tlength = title.length();
if (tlength > 45) {
title = title.substring(0, 45) + "...";
}
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_content1;
public ImageView img_content2;
public ImageView img_content3;
} 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, 500);
displayedImages.add(imageUri);
}
}
}
} }

    

android listview多视图嵌套多视图的更多相关文章

  1. 详解 anjularjs的ui-route(多视图、视图嵌套、视图传参)

    最近整理了一下anjularjs的第三方插件ui-route,在这就以一个demo的形式讲解一下.整片博客均以开头的demo代码为例.下边是个目录,大家可以酌情直接跳转浏览. 1. demo的代码 2 ...

  2. Android使用Mono c#分段列表视图

    下载source code - 21.7 KB 你想知道如何把多个ListView控件放到一个布局中,但是让它们在显示时表现正确吗 多个列表项?你对它们正确滚动有问题吗?这个例子将向你展示如何组合单独 ...

  3. Android应用开发学习之列表视图

    作者:刘昊昱 博客:http://blog.csdn.net/liuhaoyutz 列表视图我们会经常用到,可以通过两种方式来创建列表视图,一种方式是直接使用ListView组件创建,另一种方式是通过 ...

  4. <Android>列表、网格、画廊视图及适配器的绑定

    列表视图和适配器的绑定 列表视图既可以使用ListView组件,也可以继承ListActivity.显示可以是ArrayAdapter,也可以是游标SimpleCursorAdapter,还可以是继承 ...

  5. asp.net mvc视图中嵌套分部视图

    asp.net mvc中Layout相当于webForm中母版页,分部视图相当于webForm中的用户控件. 下面例子是一个视图如何嵌套分部视图: A是分部视图,B是一般视图(A,B中的代码省略) 我 ...

  6. Android应用开发学习之表格视图

    作者:刘昊昱 博客:http://blog.csdn.net/liuhaoyutz 本文我们来学习一个使用表格视图的程序,下图是该程序的运行效果: 该程序主Activity文件内容如下: packag ...

  7. Android 学习手札(三) 视图(View)

    在Android 系统红,任何可视化组件都需要从android.view.View类继承.可以使用两种方式创建View对象. · 一种方式是使用XML来配置View的相关属性,然后使用相应的方法来装载 ...

  8. ui-router多视图+嵌套视图+传参综合练习

    ui-router多视图:页面上存在的多个ui-view,它们以名字区分: 嵌套视图:一个ui-view的一个状态下对应了一个html,这个html里面又有一个ui-view. 视图之间传参:用ui. ...

  9. 使用XIB实现嵌套自定义视图

    在进行iOS开发的过程中,对于一些复杂的界面,我们可以通过Interface Builder这个Xcode集成的可视化界面编辑工具在完成,这回节省大部分时间以及代码量.它的使用方法这里不做介绍了,这次 ...

随机推荐

  1. iOS_UIImage_图片剪切

    - (UIImage *)imagecutWithRect:(CGRect)rect { CGImageRef subImageRef = CGImageCreateWithImageInRect(s ...

  2. java并发编程实践学习(2)--对象的组合

    先验条件(Precondition):某些方法包含基于状态的先验条件.例如,不能从空队列中移除一个元素,在删除元素前队列必须处于非空状态.基于状态的先验条件的操作成为依赖状态操作. 在单线程中,如果某 ...

  3. MFC抓网页

    CString chinachar_str("读取的东西:"); CInternetSession sion(NULL,); CHttpFile *http=NULL; CStri ...

  4. 200、301、302、304、404等HTTP状态码

    在网站建设的实际应用中,容易出现很多小小的失误,就像mysql当初优化不到位,影响整体网站的浏览效果一样,其实,网站的常规http状态码的表现也是一样,Google无法验证网站几种解决办法,提及到由于 ...

  5. JavaScript最佳实践

    作者:Grey 原文地址: http://www.cnblogs.com/greyzeng/p/5540469.html 举个例子:用户在点击某个链接的时候弹出一个新窗口 弹出窗口的方法采用:wind ...

  6. PHPcms 系统简单使用

    1.站点/发布点的新建 1.1 发布点的新建: 发布点是设置站点与服务器之间的链接配置. 设置 - 发布点管理 - 添加发布点 发布点名:可以与接下来的站点名称相同 ftp服务器:用于设置PHPcms ...

  7. LeetCode - Flatten Binary Tree to Linked List

    题目: Given a binary tree, flatten it to a linked list in-place. For example, Given 1 / \ 2 5 / \ \ 3 ...

  8. javascript日期验证:填写的日期大于等于当前日期

    <script> $(function () { var d = new Date(); var strDate = getDateStr(d); $("#beginTime&q ...

  9. PHP条件语句语法与示例

    一.if…else语句 语法: 1 if(条件){ …… } else{ …… } 2 if(条件){ …… } elseif(条件){ …… } else{ …… } 示例1: <?php & ...

  10. [水煮 ReSharper] 高效开发—十个实用的快捷键

    所有 ReSherper 的功能都可以使用快捷键.大部分功能都有默认快捷键,剩下的少数功能可以自定义快捷键. ReSharper 提供了两种快捷键的方式 Visual Studio:这种方式可以减少与 ...