团队相关博客:https://www.cnblogs.com/yumazemadui/p/12961361.html
今天继续了饮食方面的完善,完善了大体的布局和显示界面,主要代码如下,但是一些食物的搭配类和相关的查询还未完工,明天继续此内容。
package com.example.myapplication.food_list;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.example.myapplication.R;
import com.example.myapplication.bean.FoodBean;
import java.util.List;
public class InfoListAdapter extends BaseAdapter {
Context context;
List<FoodBean> mDatas;
public InfoListAdapter(Context context,List<FoodBean> mDatas){
this.context=context;
this.mDatas=mDatas;
}
//设定了ListView列表展示的行数
@Override
public int getCount() {
return mDatas.size();
}
//返回指定的位置对应的数据
@Override
public Object getItem(int position) {
return mDatas.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder=null;
if(convertView==null){
//将布局转换成view计算的方法
convertView= LayoutInflater.from(context).inflate(R.layout.item_infolist_lv,null);
holder=new ViewHolder(convertView);
convertView.setTag(holder);
}else{
holder=(ViewHolder)convertView.getTag();
}
//加载控件的显示
//获取集合指定位置的数据
FoodBean foodBean=mDatas.get(position);
holder.titleTv.setText(foodBean.getTitle());
holder.notTv.setText("不可匹配:"+foodBean.getNotmatch());
holder.iv.setImageResource(foodBean.getPicId());
return null;
}
class ViewHolder{
ImageView iv;
TextView titleTv,notTv;
public ViewHolder(View view){
iv=view.findViewById(R.id.item_info_iv);
titleTv=view.findViewById(R.id.item_info_tv_title);
notTv=view.findViewById(R.id.item_info_tv_notmatch);
}
}
}
package com.example.myapplication.food_list;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import com.example.myapplication.R;
import com.example.myapplication.bean.FoodBean;
import com.example.myapplication.bean.FoodUtils;
import java.util.ArrayList;
import java.util.List;
public class InfoListActivity extends AppCompatActivity {
EditText searchEt;
ImageView searchIv,flushIv;
ListView showLv;
//ListView内容数据源
List<FoodBean> mDatas;
List<FoodBean> allFoodList;
private InfoListAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_info_list);
//查找空间
initView();
//找到对应的数据源
mDatas=new ArrayList<>();
allFoodList= FoodUtils.getAllFoodList();
mDatas.addAll(allFoodList);
//创建适配器
adapter=new InfoListAdapter(this,mDatas);
//设置适配器
showLv.setAdapter(adapter);
}
private void initView() {
searchEt=findViewById(R.id.info_et_search);
searchIv=findViewById(R.id.info_iv_search);
flushIv=findViewById(R.id.info_iv_flush);
showLv=findViewById(R.id.infolist_lv);
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".food_list.InfoListActivity">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="60dp"
android:padding="10dp"
android:background="#00FFFF">
<ImageView
android:id="@+id/info_iv_flush"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@mipmap/flush"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"/>
<ImageView
android:id="@+id/info_iv_search"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@mipmap/search"
android:layout_toLeftOf="@+id/info_iv_flush"
android:layout_centerVertical="true"
android:layout_marginRight="20dp"
android:layout_marginLeft="20dp"/>
<EditText
android:id="@+id/info_et_search"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_toLeftOf="@+id/info_iv_search"
android:paddingLeft="20dp"
android:background="@drawable/info_et_bg"
android:layout_centerVertical="true"
android:textColor="@color/white"/>
</RelativeLayout>
<ListView
android:id="@+id/infolist_lv"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:divider="@color/dividerColor"
android:dividerHeight="1dp">
</ListView>
</LinearLayout>

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