14.不同条目的listview

public class CategoryInfo {
 private String title;
 private String url1;
 private String url2;
 private String url3;
 private String name1;
 private String name2;
 private String name3;
 private boolean  isTitle;// 是否是标题，指的是游戏，应用这些标题，下面的字段也是也是叫title，所以也这样写
 public boolean isTitle() {
 return isTitle;
 }
 public void setIsTitle(boolean isTitle) {
 this.isTitle = isTitle;
 }

public class CategoryProtocol extends BaseProtocol<List<CategoryInfo>> {
 @Override
 public List<CategoryInfo> paserJson(String json) {
 List<CategoryInfo> categoryInfos=new ArrayList<CategoryInfo>();
 try {
 JSONArray array=new JSONArray(json);
 for(int i=0;i<array.length();i++){
 JSONObject jsonObject = array.getJSONObject(i);
 String title=jsonObject.getString("title");
 CategoryInfo categoryInfo=new CategoryInfo();
				categoryInfo.setTitle(title);
				categoryInfo.setIsTitle(true);
				categoryInfos.add(categoryInfo);
 JSONArray jsonArray = jsonObject.getJSONArray("infos");
 for(int j=0;j<jsonArray.length();j++){
 JSONObject jsonObject2 = jsonArray.getJSONObject(j);
 String url1=jsonObject2.getString("url1");
 String url2=jsonObject2.getString("url2");
 String url3=jsonObject2.getString("url3");
 String name1=jsonObject2.getString("name1");
 String name2=jsonObject2.getString("name2");
 String name3=jsonObject2.getString("name3");
 CategoryInfo categoryInfo2=new CategoryInfo(title, url1, url2, url3, name1, name2, name3,false);
					categoryInfos.add(categoryInfo2);
 }
 }
 return categoryInfos;
 } catch (JSONException e) {
			e.printStackTrace();
 return null;
 }
 }
 @Override
 public String getKey() {
 return "category";
 }
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:clickable="false"
    android:orientation="horizontal"
    android:paddingLeft="5dp"
    android:paddingRight="5dp" >
 <RelativeLayout
        android:id="@+id/rl_1"
        android:layout_width="0dip"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:background="@drawable/grid_item_bg"
        android:clickable="true"
        android:paddingBottom="10dp"
        android:paddingTop="10dp" >
 <ImageView
            android:id="@+id/iv_1"
            android:layout_width="55dp"
            android:layout_height="55dp"
            android:layout_centerHorizontal="true"
            android:scaleType="fitXY"
            android:src="@drawable/ic_default" />
 <TextView
            android:id="@+id/tv_1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@id/iv_1"
            android:layout_centerHorizontal="true"
            android:textColor="#ff7a7a7a" />
 </RelativeLayout>

public class CategoryContentHolder extends BaseHolder<CategoryInfo> {
 ImageView [] ivs;
 TextView [] tvs;
 @Override
 public View initView() {
 View view=UiUtils.inflate(R.layout.item_category_content);
		ivs=new ImageView[3];
		ivs[0]=(ImageView) view.findViewById(R.id.iv_1);
		ivs[1]=(ImageView) view.findViewById(R.id.iv_2);
		ivs[2]=(ImageView) view.findViewById(R.id.iv_3);
		tvs=new TextView[3];
		tvs[0]=(TextView) view.findViewById(R.id.tv_1);
		tvs[1]=(TextView) view.findViewById(R.id.tv_2);
		tvs[2]=(TextView) view.findViewById(R.id.tv_3);
 return view;
 }
 @Override
 public void refreshView(CategoryInfo data) {
 // 第一块 
 if(!TextUtils.isEmpty(data.getName1())&&!TextUtils.isEmpty(data.getUrl1())){
			tvs[0].setText(data.getName1());
			bitmapUtils.display(ivs[0], HttpHelper.URL+"image?name="+data.getUrl1());
			tvs[0].setVisibility(View.VISIBLE);
			ivs[0].setVisibility(View.VISIBLE);
 }else{
			tvs[0].setVisibility(View.INVISIBLE);
			ivs[0].setVisibility(View.INVISIBLE);
 }
 // 第二块
 if(!TextUtils.isEmpty(data.getName2())&&!TextUtils.isEmpty(data.getUrl2())){
			tvs[1].setText(data.getName2());
			bitmapUtils.display(ivs[1], HttpHelper.URL+"image?name="+data.getUrl2());
			tvs[1].setVisibility(View.VISIBLE);
			ivs[1].setVisibility(View.VISIBLE);
 }else{
			tvs[1].setVisibility(View.INVISIBLE);
			ivs[1].setVisibility(View.INVISIBLE);
 }
 //第三块
 if(!TextUtils.isEmpty(data.getName3())&&!TextUtils.isEmpty(data.getUrl3())){
			tvs[2].setText(data.getName3());
			bitmapUtils.display(ivs[2], HttpHelper.URL+"image?name="+data.getUrl3());
			tvs[2].setVisibility(View.VISIBLE);
			ivs[2].setVisibility(View.VISIBLE);
 }else{
			tvs[2].setVisibility(View.INVISIBLE);
			ivs[2].setVisibility(View.INVISIBLE);
 }
 }
}

public class CategoryTitleHolder extends BaseHolder<CategoryInfo> {
 private TextView tv;
 @Override
 public View initView() {
		tv = new TextView(UiUtils.getContext());
		tv.setTextColor(Color.BLACK);
		tv.setBackgroundDrawable(UiUtils.getDrawalbe(R.drawable.grid_item_bg));
 return tv;
 }
 @Override
 public void refreshView(CategoryInfo data) {
		tv.setText(data.getTitle());
 }
}

public class CategoryFragment extends BaseFragment {
 private List<CategoryInfo> datas;
 public static int ITEM_TITLE =2;
 // 创建成功的界面
 @Override
 public View createSuccessView() {
 BaseListView listView = new BaseListView(UiUtils.getContext());
		listView.setAdapter(new CategoryAdapter(datas, listView));
 return listView;
 }
 private class CategoryAdapter extends DefaultAdapter<CategoryInfo> {
 private int position;// 当前条目位置记录
 public CategoryAdapter(List<CategoryInfo> datas, ListView lv) {
 super(datas, lv);
 }
 // 实现每个条目的界面
 @Override
 protected BaseHolder<CategoryInfo> getHolder() {
 if (!datas.get(position).isTitle()) {
 return new CategoryContentHolder();
 }else{
 return new CategoryTitleHolder();
 }
 }
 @Override
 public View getView(int position, View convertView, ViewGroup parent) {
 this.position = position;
 return super.getView(position, convertView, parent);
 }
 @Override
 protected boolean hasMore() { // 当前方法 如果为false onload就不会被调用了
 return false;
 }
 @Override
 protected int getInnerItemViewType(int position) {
 if (datas.get(position).isTitle()) {
 return ITEM_TITLE;
 } else {
 return super.getInnerItemViewType(position);
 }
 }
 @Override
 protected List<CategoryInfo> onload() {
 return null;
 }
 //  集合 管理三个convertView   
 @Override
 public int getViewTypeCount() {
 return super.getViewTypeCount() + 1; // 又额外多了一种条目类型  现在又三种  1 标题 2 内容 3 加载更多(没有显示)
 }
 }
 // 请求服务器
 @Override
 protected LoadResult load() {
 CategoryProtocol protocol = new CategoryProtocol();
		datas = protocol.load(0);
 return checkData(datas);
 }
}

public View getView(int position, View convertView, ViewGroup parent) {
 BaseHolder holder = null;
 switch (getItemViewType(position)) { // 判断当前条目时什么类型
 case MORE_ITEM:
 if(convertView==null){
				holder=getMoreHolder();
 }else{
				holder=(BaseHolder) convertView.getTag();
 }
 break;
 default:
 if (convertView == null) {
				holder = getHolder();
 } else {
 System.out.println("aaa");
				holder = (BaseHolder) convertView.getTag();
 }
 if (position < datas.size()) {
				holder.setData(datas.get(position));
 }
 break;
 }
 return holder.getContentView(); //  如果当前Holder 恰好是MoreHolder  证明MoreHOlder已经显示
 }
 private MoreHolder holder;
 private BaseHolder getMoreHolder() {
 if(holder!=null){
 return holder;
 }else{
			holder=new MoreHolder(this,hasMore());
 return holder;
 }
 }
 /**
	 * 是否有额外的数据
	 * @return
	 */
 protected boolean hasMore() {
 return true;
 }