Telephony, Notification & Alarm

TelephonyManager가 전화통신A PI로의 접근을 관리

String srvcName= Context.TELEPHONY_SERVICE;

TelephonyManager telephonyMgr= (TelephonyManager)getSystemService(srvcName);

READ_PHONE_STATE권한을얻어야한다.

<uses-permission android:name=“android:permission.READ_PHONE_STATE” />

폰상태변화는PhoneStateLinster클래스를이용해다른컴포넌트로알려짐

◦통화상태(벨울림,오프후크등),셀위치변경,음성메읷및통화젂달상태,폰서비스변경,모바일신호세기변화등을포함