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package com.example.health.food_grid;
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import android.content.Context;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.BaseAdapter;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.example.health.Bean.FoodBean;
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import com.example.health.R;
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import java.util.List;
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public class FoodGridAdapter extends BaseAdapter {
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Context context;
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public FoodGridAdapter(Context context, List<FoodBean> mDates) {
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this.context = context;
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this.mDates = mDates;
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}
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List<FoodBean>mDates;
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@Override
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public int getCount() {
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return mDates.size();
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}
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@Override
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public Object getItem(int position) {
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return mDates.get(position);
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}
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@Override
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public long getItemId(int position) {
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return position;
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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//声明ViewHolder
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ViewHolder holder = null;
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if (convertView == null) {//判断是否有复用的view，如果没有就创建
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convertView = LayoutInflater.from(context).inflate(R.layout.item_foodgrid,null);
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holder = new ViewHolder(convertView);
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convertView.setTag(holder);
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}else{
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holder = (ViewHolder) convertView.getTag();
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}
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//获取指定位置的数据
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FoodBean foodBean = mDates.get(position);
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holder.iv.setImageResource(foodBean.getPicID());
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holder.tv.setText(foodBean.getFoodName());
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return convertView;
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}
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class ViewHolder{
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ImageView iv;
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TextView tv;
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public ViewHolder(View view){
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iv=view.findViewById(R.id.item_grid_iv);
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tv=view.findViewById(R.id.item_grid_tv);
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}
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}
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}
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