ch09 Android ListView

--------------------------------------------AndroidManifest.xml-------------------------------

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.ch09"

android:versionCode="1"

android:versionName="1.0" >

<uses-sdk

android:minSdkVersion="10"

android:targetSdkVersion="15" />

<uses-permission android:name="android.permission.READ_CONTACTS" />

<application

android:icon="@drawable/ic_launcher"

android:label="@string/app_name"

android:theme="@style/AppTheme" >

<activity

android:name=".MainActivity"

android:label="@string/title_activity_main" >

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

--------------------------------------------Layout list_items.xml------------------------------

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:id="@+id/RelativeLayout1"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical" >

<TextView

android:id="@+id/title"

android:gravity="top"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentLeft="true"

android:layout_alignParentTop="true"

android:text="title" />

<TextView

android:layout_below="@id/title"

android:id="@+id/content"

android:layout_width="300sp"

android:layout_height="wrap_content"

android:text="content1" />

<ImageView

android:id="@+id/image"

android:layout_toRightOf="@id/content"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:src="@drawable/ic_launcher" />

</RelativeLayout>

--------------------------------------------MainActivity.java-----------------------------------

package com.ch09;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import android.app.Activity;

import android.database.Cursor;

import android.os.Bundle;

import android.provider.Contacts.People;

import android.widget.ListView;

import android.widget.SimpleCursorAdapter;

/**

* 项目名称：com.ch09

* 类名称：MainActivity

* 类描述： ListView、ArrayAdapter、SimpleAdapter、SimpleCursorAdapter

* 创建人：fy

* 创建时间：2012-11-13 下午6:53:15

public class MainActivity extends Activity {

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

init();

}

/* 初始化操作 */

private void init() {

/* 实例化listView */

ListView listView = new ListView(this);

/* 填充数据 */

// listView.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, getData()));

// listView.setAdapter(new SimpleAdapter(this, (List<? extends Map<String, ?>>) getMapData(), R.layout.list_items,

// new String[] { "title", "content", "img" }, new int[] { R.id.title, R.id.content, R.id.image }));

listView.setAdapter(new SimpleCursorAdapter(this, android.R.layout.simple_list_item_2, getCursorData(),

new String[] { People.NAME, People.NUMBER }, new int[] { android.R.id.text1, android.R.id.text2 }));

setContentView(listView);

}

/* 单个数据集合 */

private List<String> getData() {

List<String> list = new ArrayList<String>();

for (int i = 0; i < 5; i++) {

list.add("test_" + i);

}

return list;

}

/* 多个数据集合 */

private List<Map> getMapData() {

List<Map> list = new ArrayList<Map>();

for (int i = 0; i < 5; i++) {

Map<String, Object> map = new HashMap<String, Object>();

map.put("title", "title_" + i);

map.put("content", "content_" + i + ".............................");

map.put("img", R.drawable.ic_launcher);

list.add(map);

}

return list;

}

/* 动态数据 */

private Cursor getCursorData() {

Cursor cursor = getContentResolver().query(People.CONTENT_URI, null, null, null, null);

startManagingCursor(cursor);

return cursor;

}

--------------------------------------------效果图 ArrayAdapter--------------------------------

--------------------------------------------效果图 SimpleAdapter、----------------------------

--------------------------------------------效果图 SimpleCursorAdapter-----------------------

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