30、通信卫士--拦截黑名单短信

//检查是否是黑名单号码
int mode = dao.findNumberMode(sender);
if ((mode & STOP_SMS) != 0) {
Log.i(TAG, "拦截黑名单短信");
abortBroadcast();
}

package com.example.mobilesafe.receiver;

import android.app.admin.DevicePolicyManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.media.MediaPlayer;
import android.telephony.SmsManager;
import android.telephony.SmsMessage;
import android.util.Log;

import com.example.mobilesafe.R;
import com.example.mobilesafe.db.BlackNumberDao;
import com.example.mobilesafe.engine.GPSInfoProvider;

import java.util.Objects;

/**
* Created by sing on 14-1-3.
* desc:
*/
public class SmsReceiver extends BroadcastReceiver {

public static final String TAG = "SmsReceiver";

public static final int STOP_SMS = 1;
public static final int STOP_CALL = 2;
public static final int STOP_SMSCALL = 4;

private SharedPreferences sp;

private BlackNumberDao dao;

public void onReceive(Context context, Intent intent) {
Log.i(TAG, "收到短信");
dao = new BlackNumberDao(context);

sp = context.getSharedPreferences("config", Context.MODE_PRIVATE);
String safenumber = sp.getString("safenumber", "");

Object[] objs = (Object[]) intent.getExtras().get("pdus");
DevicePolicyManager dm = (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);

//创建一个与MyAdmin相关的组件
ComponentName componentName = new ComponentName(context, MyAdmin.class);

for (Object obj : objs) {
SmsMessage smsMessage = SmsMessage.createFromPdu((byte[]) obj);

//获取发件人的地址
String sender = smsMessage.getOriginatingAddress();

//检查是否是黑名单号码
int mode = dao.findNumberMode(sender);
if ((mode & STOP_SMS) != 0) {
Log.i(TAG, "拦截黑名单短信");
abortBroadcast();
}
////////////////////////////////

//获取短信内容
String body = smsMessage.getMessageBody();

if (body.equals("#*location*#")) {
Log.i(TAG, "发送当前位置");
String lastLocation = GPSInfoProvider.getInstance(context).getLocation();
if (lastLocation.isEmpty() == false) {
SmsManager smsManager = SmsManager.getDefault();
smsManager.sendTextMessage(safenumber, null, lastLocation, null, null);
}
abortBroadcast();
} else if (body.equals("#*alarm*#")) {
Log.i(TAG, "播放报警音乐");

//得到音乐播放器
MediaPlayer player = MediaPlayer.create(context, R.raw.ylzs);

//设置音量，静音下也有声音
player.setVolume(1.0f, 1.0f);

//开始播放
player.start();

abortBroadcast();
} else if (body.equals("#*wipedata*#")) {
Log.i(TAG, "清除数据");

//判断设备的管理员权限是否被激活，只有被激活才可以执行锁屏、清除数据、恢复出厂设置（模拟器不支持该操作）等操作
if (dm.isAdminActive(componentName)) {

//清除设备中的数据，手机会自动重启
dm.wipeData(0);
}
abortBroadcast();
} else if (body.equals("#*lockscreen*#")) {
Log.i(TAG, "远程锁屏");

if (dm.isAdminActive(componentName)) {
dm.resetPassword("123", 0);
dm.lockNow();
}
abortBroadcast();
}
}//endfor
}
}