android适配器的简单使用1. private ListView listView;// 列表组件public static ArrayList<NutritionListViewBean> list = new ArrayList<NutritionListViewBean>();// 数据源private NutritionAdapter adapter;// 适配器2. // 创建适配器对象adapter = new NutritionAdapter(this);// 设定数据源loadData();// 设置数据源adapter.setList(list);// 将适配器设置到ListView中listView.setAdapter(adapter);3.public class NutritionAdapter extends BaseAdapter {// 设置组视图的数据源private ArrayList<NutritionListViewBean> list = new ArrayList<NutritionListViewBean>();// 设置数据源public void setList(ArrayList<NutritionListViewBean> list) {this.list = list;}// 加载布局private LayoutInflater mInflater;public NutritionAdapter(Context context) {mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);}@Overridepublic int getCount() {return list.size();}@Overridepublic Object getItem(int arg0) {return list.get(arg0);}@Overridepublic long getItemId(int arg0) {return arg0;}@Overridepublic View getView(int position, View convertView, ViewGroup arg2) {final GroupViewHolder holder;if (null == convertView) {convertView = mInflater.inflate(R.layout.listview_nutrition, null);holder = new GroupViewHolder();holder.listNutritionImageView = (com.yongting.view.CircleImage) convertView.findViewById(R.id.listNutritionImageView);convertView.setTag(holder);} else {holder = (GroupViewHolder) convertView.getTag();}// 从List中得到一个BeanNutritionListViewBean bean = list.get(position);// 点击分享holder.listNutritionShareImageView.setTag(position);holder.listNutritionShareImageView.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {}});// 职称holder.listNutritionProfessionalRankTextView.setText(bean.getProfessional_rank());｝class GroupViewHolder {com.yongting.view.CircleImage listNutritionImageView;TextViewlistNutritionProfessionalRankTextView;｝｝
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