<uses-permission android:name="android.permission.SEND_SMS" /><uses-permission android:name="android.permission.RECEIVE_SMS" /><uses-permission android:name="android.permission.READ_SMS" /><uses-permission android:name="android.permission.WRITE_SMS" />

mContext = context;//獲取短信的bundleBundle bundle = intent.getExtras();//短信對象SmsMessage msg;if (null != bundle) { //獲取pdu編碼的短信數組（接受的短信都是以pdu編碼的16進制數組） Object[] smsObj = (Object[]) bundle.get("pdus"); for (Object object : smsObj) {  //將pdu編碼的短信解析為SmsMessage對象  msg = SmsMessage.createFromPdu((byte[]) object);  //獲取短信內容  String msgBody = msg.getDisplayMessageBody();  //獲取發送短信的號碼  String number = msg.getOriginatingAddress();  //獲取短信時間戳  long time = msg.getTimestampMillis();  //獲取我們在主頁面設置的要回復短信的關鍵字及短信內容的bean  List<SmSBean> smsList = ShareUtil.getInstance(context).getSMS();  for (SmSBean bean : smsList) {   //判斷短信內容是否包含設置的關鍵字   if (!TextUtils.isEmpty(msgBody) && msgBody.contains(bean.key)) {    //如果包含，則自動發送短信    AutoSendSms(bean.content, context, number, time, msgBody);    break;   }  } }}

/** * 發送短信的方法 * @param msg 發送的短信內容 * @param context 上下文對象 * @param number 接受短信的號碼 * @param time 時間戳 * @param msgBody 接受到的短信 */private void AutoSendSms(String msg, Context context, String number, long time, String msgBody) { //獲取短信管理器 SmsManager SM = SmsManager.getDefault(); //通過反射獲取短信管理類 Class SMClass = SmsManager.class; //通過反射查到了SmsManager有個叫做mSubId的屬性 // 創建發送短信意圖 Intent sentIntent = new Intent(SENT_SMS_ACTION); Field field = null; try {  field = SMClass.getDeclaredField("mSubId");  field.setAccessible(true);  try {   //獲取發送短信的卡   int smsType = ShareUtil.getInstance(context).getSMSType();   field.set(SM, smsType);   //1.136   //0.155   sentIntent.putExtra("address", number);   sentIntent.putExtra("msg", msg);   sentIntent.putExtra("time", time);   sentIntent.putExtra("msgBody", msgBody);   PendingIntent sentPI = PendingIntent.getBroadcast(context, 0, sentIntent,0);   //自動發送短信   SM.sendTextMessage(number, null, msg, sentPI, null);   Log.e("TAG", "onCreate: sendTextMessage");  } catch (IllegalAccessException e) {   e.printStackTrace();  } } catch (NoSuchFieldException e) {  e.printStackTrace(); }}

public class SmsService extends Service { private static final String TAG = SendSMSService.class.getSimpleName(); @Nullable @Override public IBinder onBind(Intent intent) {  return null; } @Override public void onCreate() {  super.onCreate();  new Handler().postDelayed(new Runnable() {   @Override   public void run() {    Toast.makeText(SendSMSService.this, "SmsService------------", Toast.LENGTH_SHORT).show();   }  }, 10000); }}

<receiver android:name=".SmsBroadcastReceiver"> <intent-filter android:priority="999">  <action android:name="android.provider.Telephony.SMS_RECEIVED" /> </intent-filter></receiver>

<service android:name=".SmsService" />

mRgSim.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, int checkedId) {  switch (checkedId) {   case R.id.rb_1: simType = 0;    ShareUtil.getInstance(MainActivity.this).saveSMSType(simType);    break;   case R.id.rb_2:    simType = 1;    ShareUtil.getInstance(MainActivity.this).saveSMSType(simType);    break;   default:    ShareUtil.getInstance(MainActivity.this).saveSMSType(simType);    break;  } }});

//保存關鍵字及回復內容mEtSave.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) {  //關鍵字  String key = mEtKey.getText().toString().trim();  //回復的內容  String content = mEtContent.getText().toString().trim();  //保存關鍵字及內容的bean  SmSBean bean = new SmSBean(key, content);  //獲取之前已添加的關鍵字及內容  init();  //添加新的關鍵字及內容  mDataList.add(bean);  //用sharePreference保存關鍵字及內容對象集合  ShareUtil.getInstance(MainActivity.this).saveSMS(mDataList);  //將關鍵字及內容輸入框置空  mEtKey.setText("");  mEtContent.setText(""); }});