@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); TelephonyManager manager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); manager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE); } private PhoneStateListener phoneStateListener = new PhoneStateListener() { public void onCallStateChanged(int state, String incomingNumber) { Log.i("MainActivity.java | onCallStateChanged", "|state:" + state + "(ringing:" + TelephonyManager.CALL_STATE_RINGING + ", offhook:" + TelephonyManager.CALL_STATE_OFFHOOK + ", idle:" + TelephonyManager.CALL_STATE_IDLE + ")" + "|number:" + incomingNumber + "|"); }; };
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
TelephonyManager.CALL_STATE_RINGING : 벨소리 울리는 중 TelephonyManager.CALL_STATE_OFFHOOK : 통화 시작 TelephonyManager.CALL_STATE_IDLE : 통화 끝, 벨소리 울리는 중에 통화 거절