Android--通过关键字查找短消息数据库并将匹配的信息显示

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>

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