Android监听来电和去电的实现方法

import android.app.Service;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.telephony.TelephonyManager;import android.util.Log;public class PhoneStateBroadCastReceiver extends BroadcastReceiver{ private static final String TAG = "PhoneStateBroadCastReceiver"; private static boolean mIncomingFlag = false; private static String mIncomingNumber = null; @Override public void onReceive(Context context, Intent intent) { // 如果是拨打电话 if (intent.getAction().equals(Intent.ACTION_NEW_OUTGOING_CALL)) {  mIncomingFlag = false;  String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);  Log.i(TAG, "call OUT:" + phoneNumber); } else {  // 如果是来电  TelephonyManager tManager =  (TelephonyManager) context.getSystemService(Service.TELEPHONY_SERVICE);  switch (tManager.getCallState())  {  case TelephonyManager.CALL_STATE_RINGING:  mIncomingNumber = intent.getStringExtra("incoming_number");  Log.i(TAG, "RINGING :" + mIncomingNumber);  break;  case TelephonyManager.CALL_STATE_OFFHOOK:  if (mIncomingFlag)  {   Log.i(TAG, "incoming ACCEPT :" + mIncomingNumber);  }  break;  case TelephonyManager.CALL_STATE_IDLE:  if (mIncomingFlag)  {   Log.i(TAG, "incoming IDLE");  }  break;  } } }}

<receiver android:name=".broadcase.PhoneStateBroadCastReceiver">   <intent-filter>    <action android:name="android.intent.action.PHONE_STATE"/>    <action android:name="android.intent.action.NEW_OUTGOING_CALL" />   </intent-filter> </receiver><uses-permission android:name="android.permission.READ_PHONE_STATE" /><uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" />