BroadcastReceiver mReceiverSms = null;
     mReceiverSms = new BroadcastReceiver()
     {
      @Override 
      public void onReceive(Context context, Intent intent)
      {
          if(intent.getAction().equals("android.provider.Telephony.SMS_RECEIVED"))
       {
                 Object[] pduses=(Object[])intent.getExtras().get("pdus");
                 for(Object pdus: pduses)
                 {
                  byte[] pdusSms=(byte[])pdus;
                  SmsMessage smsMessage=SmsMessage.createFromPdu(pdusSms);
                  String mobile=smsMessage.getOriginatingAddress();//获得发短信手机 
                  String content=smsMessage.getMessageBody();//获得短信内容
                  Date date= new Date(smsMessage.getTimestampMillis());//获得短信发送时间
                  SimpleDateFormat simpleDateFormat=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                  String sendDate=simpleDateFormat.format(date);
                  Toast toast = Toast.makeText(context, "Received SMS: " + content,Toast.LENGTH_LONG);
                  toast.show();
                 }
       }
      }
     };
  
     IntentFilter filterSms = new IntentFilter();
     filterSms.addAction("android.provider.Telephony.SMS_RECEIVED");
     registerReceiver(mReceiverSms, filterSms);
 
     unregisterReceiver(mReceiverSms);//不再接收时调用

<uses-permission android:name="android.permission.RECEIVE_SMS" /><!-- 接收短信权限 -->