Android 监听来去电 弹出悬浮窗提示(2)

} else {
   
   String comeInNum = intent
     .getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER);
   
   System.out.println("来电号码:" + comeInNum);

TelephonyManager telM = (TelephonyManager) context
     .getSystemService(Context.TELEPHONY_SERVICE);

// 设置一个监听器
   telM.listen(new TelListener(context),
     PhoneStateListener.LISTEN_CALL_STATE);
  }
 }

}