java代码：

package com.example.test0123;

import android.app.Activity;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;

/**
 * 通过输入关键字在短信息数据库中查找有关键字的短消息
 * 需要读短消息的权限<uses-permission android:name="android.permission.READ_SMS" />
 * @author ZLQ
 *
 */
public class TestSmsSearch extends Activity {
	Button bu;//查询按钮
	EditText et;//输入框
	ListView lv;//用于显示查询结果的列表
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.sms);
		bu = (Button) findViewById(R.id.button1);
		et = (EditText) findViewById(R.id.editText1);
		lv = (ListView) findViewById(R.id.listView1);
		bu.setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				String key = et.getText().toString();
				//查询sms数据库的address和body两列，即信息发送者和信息内容，使用SimpleCursorAdapter必须要有_id列
				Cursor c = getContentResolver().query(
						Uri.parse("content://sms"), new String[] { "_id", "address", "body" },
						//通过where body like %key%进行模糊查询
						"body like ?", new String[] { "%" + key + "%" }, null);
				//SimpleCursorAdapter适配器
				SimpleCursorAdapter sim = new SimpleCursorAdapter(TestSmsSearch.this,
						android.R.layout.simple_list_item_2, c, new String[] {
								"address", "body" }, new int[] {
								android.R.id.text1, android.R.id.text2 });
				lv.setAdapter(sim);
			}
		});
	}
}

sms.xml代码：

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

    <EditText
        android:id="@+id/editText1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10" />

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button" />

    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</LinearLayout>