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来源：互联网发布：网络用语薯片什么意思编辑：程序博客网时间：2024/06/06 07:20

这里写图片描述
第一步修改代码如下

<?xml version="1.0" encoding="utf-8"?><resources xmlns:android="http://schemas.android.com/apk/res/android">    <style name="myTitleBg">        <item name="android:background">#FF0000</item>    </style>    <style name="myTheme" parent="android:Theme">        <item name="android:windowNoTitle">false</item>        <item name="android:windowTitleSize">30dp</item>        <item name="android:windowTitleBackgroundStyle">@style/myTitleBg</item>    </style></resources>第二步修改代码如下

import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.view.View;import android.widget.AdapterView;import android.widget.ListView;import android.widget.SimpleAdapter;import android.widget.AdapterView.OnItemClickListener;import android.widget.Toast;//第一步：extends Activitypublic class MainActivity extends Activity {    // 第二步：定义数据集合    List<Map<String, ?>> data;    ListView listView;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        data = getData();        // 第三步：创建SimpleAdapter绑定数据        SimpleAdapter adapter = new SimpleAdapter(this, data,                R.layout.list_item, new String[] { "photo", "name", "publish",                        "content" }, new int[] { R.id.photo, R.id.name,                        R.id.publish, R.id.content });        listView=(ListView) this.findViewById(R.id.listView);        listView.setAdapter(adapter);        listView.setOnItemClickListener(new ListClickHandler());    }    //第四步：添加单击事件    private class ListClickHandler implements OnItemClickListener{        @Override        public void onItemClick(AdapterView<?> adapterView, View view, int position,                long id) {            Map<String, String> item=(Map<String, String>) data.get(position);            Toast.makeText(MainActivity.this, item.get("name").toString(), Toast.LENGTH_LONG).show();        }    }    private List<Map<String, ?>> getData() {        List<Map<String, ?>> data = new ArrayList<Map<String, ?>>();        Map<String, Object> item = new HashMap<String, Object>();        item.put("photo", R.drawable.p1);        item.put("name", "想想");        item.put("publish", "1分钟前");        item.put("content", "正在学习AndroidListView,嘎嘎嘎嘎嘎嘎嘎嘎嘎");        data.add(item);        item = new HashMap<String, Object>();        item.put("photo", R.drawable.p2);        item.put("name", "嘻嘻");        item.put("publish", "10分钟前");        item.put("content", "今天真高兴啊！");        data.add(item);        item = new HashMap<String, Object>();        item.put("photo", R.drawable.p3);        item.put("name", "米粒");        item.put("publish", "5分钟前");        item.put("content", "今天糗大了！");        data.add(item);        item = new HashMap<String, Object>();        item.put("photo", R.drawable.p4);        item.put("name", "丽丽");        item.put("publish", "1分钟前");        item.put("content", "今天遇到一件好玩的事情！");        data.add(item);        item = new HashMap<String, Object>();        item.put("photo", R.drawable.p5);        item.put("name", "西西");        item.put("publish", "2分钟前");        item.put("content", "今天天气真好哈！");        data.add(item);        item = new HashMap<String, Object>();        item.put("photo", R.drawable.p6);        item.put("name", "露露");        item.put("publish", "10分钟前");        item.put("content", "今天真高兴啊！");        data.add(item);        item = new HashMap<String, Object>();        item.put("photo", R.drawable.p7);        item.put("name", "美美");        item.put("publish", "2分钟前");        item.put("content", "今天真高兴啊！");        data.add(item);        item = new HashMap<String, Object>();        item.put("photo", R.drawable.p8);        item.put("name", "晕晕");        item.put("publish", "5分钟前");        item.put("content", "今天真高兴啊！");        data.add(item);        item = new HashMap<String, Object>();        item.put("photo", R.drawable.p9);        item.put("name", "嘻嘻");        item.put("publish", "4分钟前");        item.put("content", "今天真高兴啊！");        data.add(item);        item = new HashMap<String, Object>();        item.put("photo", R.drawable.p10);        item.put("name", "嘻嘻");        item.put("publish", "1分钟前");        item.put("content", "今天真高兴啊！");        data.add(item);        return data;    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        getMenuInflater().inflate(R.menu.activity_main, menu);        return true;    }}

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