Android来电监听和去电监听

2019-04-13 14:33发布

http://www.cnblogs.com/popfisher/p/5650969.html

我觉得写文章就得写得有用一些的,必须要有自己的思想,关于来电去电监听将按照下面三个问题展开 1、监听来电去电有什么用? 2、怎么监听,来电去电监听方式一样吗? 3、实战,有什么需要特别注意地方?   监听来电去电能干什么 1、能够对监听到的电话做个标识,告诉用户这个电话是诈骗、推销、广告什么的 2、能够针对那些特殊的电话进行自动挂断,避免打扰到用户   来电去电的监听方式(不一样的方式) 1、来电监听(PhoneStateListener)   来电监听是使用PhoneStateListener类,使用方式是,将PhoneStateListener对象(一般是自己继承PhoneStateListener类完成一些封装)注册到系统电话管理服务中去(TelephonyManager 然后通过PhoneStateListener的回调方法onCallStateChanged(int state, String incomingNumber) 实现来电的监听 (详细实现可以参考后面给出的拓展阅读部分)   注册监听 复制代码 // phoneServiceName是服务名,一般是 "phone" --> Context.TELEPHONY_SERVICE TelephonyManager telephonyManager = (TelephonyManager) mContext.getSystemService(phoneServiceName); if(telephonyManager != null) { try { // 注册来电监听 telephonyManager.listen(mTelephonyListener, PhoneStateListener.LISTEN_CALL_STATE); } catch(Exception e) { // 异常捕捉 } } 复制代码   PhoneStateListener的onCallStateChanged方法监听来电状态 复制代码 @Override public void onCallStateChanged(int state, String incomingNumber) { switch (state) { case TelephonyManager.CALL_STATE_IDLE: // 电话挂断 break; case TelephonyManager.CALL_STATE_OFFHOOK: // 来电响铃 break; case TelephonyManager.CALL_STATE_RINGING: // 来电接通 break; default: break; } mCallState = state; } 复制代码   三种状态源码解释 复制代码 /** Device call state: No activity. */ public static final int CALL_STATE_IDLE = 0; // 电话挂断 /** Device call state: Ringing. A new call arrived and is * ringing or waiting. In the latter case, another call is * already active. */ public static final int CALL_STATE_RINGING = 1; // 来电响铃 /** Device call state: Off-hook. At least one call exists * that is dialing, active, or on hold, and no calls are ringing * or waiting. */ public static final int CALL_STATE_OFFHOOK = 2; // 来电接通 复制代码   2、去电监听(通过广播来实现) 复制代码 // OutgoingCallListener继承一个BroadcastReceiver "com.test.OutgoingCallListener" > "android.intent.action.PHONE_STATE"/> "android.intent.action.NEW_OUTGOING_CALL" /> 复制代码   实战,有什么需要特别注意地方 1、双卡双待的手机怎么获取   对于双卡手机,每张卡都对应一个Service和一个FirewallPhoneStateListener,需要给每个服务注册自己的FirewallPhoneStateListener,服务的名称还会有点变化,厂商可能会修改 复制代码 public ArrayList getMultSimCardInfo() { // 获取双卡的信息,这个也是经验尝试出来的,不知道其他厂商有什么坑 ArrayList phoneServerList = new ArrayList(); for(int i = 1; i < 3; i++) { try { String phoneServiceName; if (MiuiUtils.isMiuiV6()) { phoneServiceName = "phone." + String.valueOf(i-1); } else { phoneServiceName = "phone" + String.valueOf(i); } // 尝试获取服务看是否能获取到 IBinder iBinder = ServiceManager.getService(phoneServiceName); if(iBinder == null) continue; ITelephony iTelephony = ITelephony.Stub.asInterface(iBinder); if(iTelephony == null) continue; phoneServerList.add(phoneServiceName); } catch(Exception e) { e.printStackTrace(); } } // 这个是默认的 phoneServerList.add(Context.TELEPHONY_SERVICE); return phoneServerList; } 复制代码 2、挂断电话   挂断电话使用系统服务提供的接口去挂断,但是挂断电话是个并不能保证成功的方法,所以会有多种方式挂断同时使用,下面提供 复制代码 public boolean endCall() { boolean callSuccess = false; ITelephony telephonyService = getTelephonyService(); try { if (telephonyService != null) { callSuccess = telephonyService.endCall(); } } catch (RemoteException e) { e.printStackTrace(); } catch (Exception e){ e.printStackTrace(); } if (callSuccess == false) { Executor eS = Executors.newSingleThreadExecutor(); eS.execute(new Runnable() { @Override public void run() { disconnectCall(); } }); callSuccess = true; } return callSuccess; } private boolean disconnectCall() { Runtime runtime = Runtime.getRuntime(); try { runtime.exec("service call phone 5 "); } catch (Exception exc) { exc.printStackTrace(); return false; } return true; } // 使用endCall挂断不了,再使用killCall反射调用再挂一次 public static boolean killCall(Context context) { try { // Get the boring old TelephonyManager TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); // Get the getITelephony() method Class classTelephony = Class.forName(telephonyManager.getClass().getName()); Method methodGetITelephony = classTelephony.getDeclaredMethod("getITelephony"); // Ignore that the method is supposed to be private methodGetITelephony.setAccessible(true); // Invoke getITelephony() to get the ITelephony interface Object telephonyInterface = methodGetITelephony.invoke(telephonyManager); // Get the endCall method from ITelephony Class telephonyInterfaceClass = Class.forName(telephonyInterface.getClass().getName()); Method methodEndCall = telephonyInterfaceClass.getDeclaredMethod("endCall"); // Invoke endCall() methodEndCall.invoke(telephonyInterface); } catch (Exception ex) { // Many things can go wrong with reflection calls return false; } return true; } 复制代码   3、挂断电话需要权限 <uses-permission android:name="android.permission.CALL_PHONE" />   拓展阅读: 这篇文章重点从整体框架机制方面来介绍电话监听 http://www.cnblogs.com/bastard/archive/2012/11/23/2784559.html 这篇文章重点介绍一些api方法已经变量的含义 http://blog.csdn.net/skiffloveblue/article/details/7491618