Android开发使用SimpleAdapter与ListView列表展示增加头和尾

SimpleAdapterActivity.java

package com.mw.app.view.activity;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import com.mw.app.R;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class SimpleAdapterActivity extends AppCompatActivity {
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.simple_adapter_layout);
        ListView listView = findViewById(R.id.simple_adapter_layout_list_view);
        List<Map<String,String>> list = new ArrayList<Map<String,String>>();
        for(int i=0;i<30;i++){
            Map<String,String> map = new HashMap<String,String>();
            map.put("imgText","客服"+i);
            map.put("text1","电话"+i);
            map.put("text2","邮件地址"+i);
            list.add(map);
        }
        String[] form = {"imgText","text1","text2"};
        int[] idArr = {R.id.simple_adapter_layout_img_text,R.id.simple_adapter_layout_text1,R.id.simple_adapter_layout_text2};
        SimpleAdapter simpleAdapter = new SimpleAdapter(this,list,R.layout.simple_adapter_item_layout,form,idArr);
        listView.setAdapter(simpleAdapter);

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener(){
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Map<String,String> map = (Map<String, String>) parent.getItemAtPosition(position);
                Log.i("mw",map.toString());
            }
        });
    }
} 

simple_adapter_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent"
    >
<ListView
    android:id="@+id/simple_adapter_layout_list_view"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"></ListView>

</LinearLayout>

simple_adapter_item_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal" android:layout_width="match_parent"
    android:layout_height="match_parent"
    >

    <TextView
        android:id="@+id/simple_adapter_layout_img_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:drawableTop="@drawable/kf"
        android:layout_weight="1"
        android:gravity="center_horizontal"
        android:textSize="20sp"
        >
    </TextView>

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="168dp"
        android:layout_weight="3"
        android:orientation="vertical">

        <TextView
            android:id="@+id/simple_adapter_layout_text1"
            android:layout_width="wrap_content"
            android:layout_height="65dp"
            android:layout_weight="1"
            android:gravity="center_vertical"
            android:textSize="30sp"></TextView>

        <TextView
            android:id="@+id/simple_adapter_layout_text2"
            android:layout_width="wrap_content"
            android:layout_height="65dp"
            android:layout_weight="1"
            android:gravity="center_vertical"
            android:textSize="30sp"></TextView>
    </LinearLayout>

</LinearLayout>

增加l列表头和尾

/**增加头和尾  最好在listView.setAdapter 之前新增 */
listView.addHeaderView(LayoutInflater.from(this).inflate(R.layout.simple_adapter_head_layout,null));
Button buttonFoot = new Button(this);
buttonFoot.setText("加载更多");
//buttonFoot.setWidth(getWindowManager().getDefaultDisplay().getWidth());
buttonFoot.setWidth(this.getApplicationContext().getResources().getDisplayMetrics().widthPixels);
listView.addFooterView(buttonFoot);

SimpleAdapterActivity.java

package com.mw.app.view.activity;

import android.content.Intent;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SimpleAdapter;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import com.mw.app.R;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class SimpleAdapterActivity extends AppCompatActivity {
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.simple_adapter_layout);
        ListView listView = findViewById(R.id.simple_adapter_layout_list_view);
        List<Map<String,String>> list = new ArrayList<Map<String,String>>();
        for(int i=0;i<30;i++){
            Map<String,String> map = new HashMap<String,String>();
            map.put("imgText","客服"+i);
            map.put("text1","电话"+i);
            map.put("text2","邮件地址"+i);
            list.add(map);
        }
        String[] form = {"imgText","text1","text2"};
        int[] idArr = {R.id.simple_adapter_layout_img_text,R.id.simple_adapter_layout_text1,R.id.simple_adapter_layout_text2};
        SimpleAdapter simpleAdapter = new SimpleAdapter(this,list,R.layout.simple_adapter_item_layout,form,idArr);
        /**增加头和尾  最好在listView.setAdapter 之前新增 */
        listView.addHeaderView(LayoutInflater.from(this).inflate(R.layout.simple_adapter_head_layout,null));
        Button buttonFoot = new Button(this);
        buttonFoot.setText("加载更多");
        //buttonFoot.setWidth(getWindowManager().getDefaultDisplay().getWidth());
        buttonFoot.setWidth(this.getApplicationContext().getResources().getDisplayMetrics().widthPixels);
        listView.addFooterView(buttonFoot);

        listView.setAdapter(simpleAdapter);

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener(){
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Map<String,String> map = (Map<String, String>) parent.getItemAtPosition(position);
                Log.i("mw",map.toString());
            }
        });
    }
} 

simple_adapter_head_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="wrap_content">
    <ImageView
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:scaleType="fitXY"
        android:src="@drawable/bg"></ImageView>
</LinearLayout>

头

尾

本文地址：https://blog.csdn.net/m0_37622302/article/details/107784297