Android ListView用法（简洁新手专用）

最新推荐文章于 2025-05-15 12:43:38 发布

原创最新推荐文章于 2025-05-15 12:43:38 发布 · 1.1k 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#Android

本文介绍了一个简单的Android应用开发实例，通过展示如何使用ListView组件展示字符串数组，并详细解析了自定义适配器BaseAdapter的实现过程。代码段简洁明了，适合初学者快速上手。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

前言
         欢迎大家我分享和推荐好用的代码段~~
声明
         欢迎转载，但请保留文章原始出处：
         优快云：http://www.youkuaiyun.com
         雨季o莫忧离：http://blog.youkuaiyun.com/luckkof

正文

package com.ListToShowDatasource;

import android.app.Activity;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.*;

public class ListToShowDatasource extends Activity {
    ListView lvShowArray;
    String [] myArray = new String[]{"Andy", "Berry", "Tony", "Jerry", "Merry"};
    int cnt = myArray.length;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        lvShowArray = (ListView) findViewById(R.id.main_lv_showarray);
        lvShowArray.setAdapter(myBaseAdapter);
    }
    BaseAdapter myBaseAdapter = new BaseAdapter(){

        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return cnt;
        }

        @Override
        public Object getItem(int position) {
            // TODO Auto-generated method stub
            return null;
        }

        @Override
        public long getItemId(int position) {
            // TODO Auto-generated method stub
            return 0;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            // TODO Auto-generated method stub
            LinearLayout ll = new LinearLayout(ListToShowDatasource.this);
            ll.setOrientation(LinearLayout.HORIZONTAL);
            ll.setBackgroundColor(R.color.white);
            TextView tvShowData = new TextView(ListToShowDatasource.this);
            tvShowData.setLayoutParams(new LayoutParams(80, LayoutParams.WRAP_CONTENT));
            tvShowData.setText(myArray[position]);
            
            TextView tv2 = new TextView(ListToShowDatasource.this);
            tv2.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
            tv2.setText("          Hello, world");
            
            ll.addView(tvShowData);
            ll.addView(tv2);
            return ll;
        }
        
    };
    @Override
    protected void onResume() {
        myBaseAdapter.notifyDataSetChanged();
        super.onResume();
    } 
}