android 短信拦截

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.smslistener"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="17" />
    <uses-permission android:name="android.permission.RECEIVE_SMS"/>
 

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        
        
        <receiver android:name=".SmsReceiver">
            <!-- priority 优先级      最高：1000  最低 ： -1000 -->
            <intent-filter  android:priority="1000">
                <action android:name="android.provider.Telephony.SMS_RECEIVED"/>
            </intent-filter>
        </receiver>
        
    </application>

</manifest>

package com.example.smslistener;

import android.app.Activity;
import android.os.Bundle;

public class MainActivity extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        
        super.onCreate(savedInstanceState);
        finish();
    }
}

package com.example.smslistener;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.telephony.SmsMessage;


public class SmsReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        
        System.out.println("短信来了...");
        
        //获取短信
        Object[] pdus = (Object[])intent.getExtras().get("pdus");
        
        for(Object pdu:pdus)
        {
            SmsMessage sms = SmsMessage.createFromPdu((byte[])pdu);
            String body = sms.getMessageBody();
            String address = sms.getOriginatingAddress();
            System.out.println("body:"+body);
            System.out.println("address:"+address);
            
            if("4444".equals(address))
            {
                //拦截短信
                abortBroadcast();
                
            }
            
        }
        
    }

}