Android编程四大组件之BroadcastReceiver(广播接收者)用法实例

2019-12-10 19:30:54王振洲

5.从SmsMessage对象中即可获取发送者号码、短信内容、发送时间等信息
6.需要接收短信权限:

复制代码 <uses-permission android:name="android.permission.RECEIVE_SMS"/>
7.Android系统中收到短信的通知是一个有序通知,我们如需拦截垃圾短信,可以配置较高的priority,收到信息进行判断是否abortBroadcast()

 

示例:

清单

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://www.easck.com/apk/res/android"
   package="cn.test"
   android:versionCode="1"
   android:versionName="1.0">
  <application android:icon="@drawable/icon" android:label="@string/app_name">
    <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">
      <intent-filter android:priority="999">
        <action android:name="android.provider.Telephony.SMS_RECEIVED" />
      </intent-filter>
    </receiver>
  </application>
  <uses-sdk android:minSdkVersion="8" />
  <!-- 接收短信权限 -->
  <uses-permission android:name="android.permission.RECEIVE_SMS"/>
</manifest>

监听短信广播:

package cn.test;
import java.text.SimpleDateFormat;
import java.util.Date;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.telephony.SmsMessage;
public class SmsReceiver extends BroadcastReceiver {
  public void onReceive(Context context, Intent intent) {
    Object[] pdus = (Object[]) intent.getExtras().get("pdus");
    for (Object pdu : pdus) {
      //创建一个短信
      SmsMessage sms = SmsMessage.createFromPdu((byte[]) pdu);
      //获取发送手机号
      String address = sms.getOriginatingAddress();
      //获取短信的内容
      String body = sms.getMessageBody();
      //获取短信的时间
      String time = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(sms.getTimestampMillis()));
      System.out.println(time);
      System.out.println(address);
      System.out.println(body);
    }
    //中断手机接收操作
    abortBroadcast();
  }
}