package com.tomer.alwayson.receivers; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.telephony.TelephonyManager; import java.util.Date; /* * Created by Gabe Sechan user on stackoverflow * http://stackoverflow.com/a/15564021/3057931 */ public abstract class PhonecallReceiver extends BroadcastReceiver { //The receiver will be recreated whenever android feels like it. We need a static variable to remember data between instantiations private static int lastState = TelephonyManager.CALL_STATE_IDLE; private static Date callStartTime; private static boolean isIncoming; private static String savedNumber; //because the passed incoming is only valid in ringing @Override public void onReceive(Context context, Intent intent) { //We listen to two intents. The new outgoing call only tells us of an outgoing call. We use it to get the number. if (intent.getAction().equals("android.intent.action.NEW_OUTGOING_CALL")) { savedNumber = intent.getExtras().getString("android.intent.extra.PHONE_NUMBER"); } else { String stateStr = intent.getExtras().getString(TelephonyManager.EXTRA_STATE); String number = intent.getExtras().getString(TelephonyManager.EXTRA_INCOMING_NUMBER); int state = 0; if (stateStr.equals(TelephonyManager.EXTRA_STATE_IDLE)) { state = TelephonyManager.CALL_STATE_IDLE; } else if (stateStr.equals(TelephonyManager.EXTRA_STATE_OFFHOOK)) { state = TelephonyManager.CALL_STATE_OFFHOOK; } else if (stateStr.equals(TelephonyManager.EXTRA_STATE_RINGING)) { state = TelephonyManager.CALL_STATE_RINGING; } onCallStateChanged(context, state, number); } } //Derived classes should override these to respond to specific events of interest protected abstract void onIncomingCallReceived(Context ctx, String number, Date start); protected abstract void onIncomingCallAnswered(Context ctx, String number, Date start); protected abstract void onIncomingCallEnded(Context ctx, String number, Date start, Date end); protected abstract void onOutgoingCallStarted(Context ctx, String number, Date start); protected abstract void onOutgoingCallEnded(Context ctx, String number, Date start, Date end); protected abstract void onMissedCall(Context ctx, String number, Date start); public void onCallStateChanged(Context context, int state, String number) { if (lastState == state) { return; } switch (state) { case TelephonyManager.CALL_STATE_RINGING: isIncoming = true; callStartTime = new Date(); savedNumber = number; onIncomingCallReceived(context, number, callStartTime); break; case TelephonyManager.CALL_STATE_OFFHOOK: if (lastState != TelephonyManager.CALL_STATE_RINGING) { isIncoming = false; callStartTime = new Date(); onOutgoingCallStarted(context, savedNumber, callStartTime); } else { isIncoming = true; callStartTime = new Date(); onIncomingCallAnswered(context, savedNumber, callStartTime); } break; case TelephonyManager.CALL_STATE_IDLE: if (lastState == TelephonyManager.CALL_STATE_RINGING) { onMissedCall(context, savedNumber, callStartTime); } else if (isIncoming) { onIncomingCallEnded(context, savedNumber, callStartTime, new Date()); } else { onOutgoingCallEnded(context, savedNumber, callStartTime, new Date()); } break; } lastState = state; } }