AndroidManifest:
<receiver android:name=".PhoneStateBroadcastReceiver">
<intent-filter>
<action android:name="android.intent.action.PHONE_STATE">
</action></intent-filter>
</receiver>
Agregar permiso siguiente:
<uses-permission android:name="android.permission.READ_PHONE_STATE">
</uses-permission>
PhoneStateBroadcastReceiver.java (refactorizado el código un poco)
package com.mobisys.android.salesbooster;
import com.mobisys.android.salesbooster.database.HelperDatabase;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.provider.ContactsContract.PhoneLookup;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.util.Log;
public class PhoneStateBroadcastReceiver extends BroadcastReceiver {
private static final String TAG = "PhoneStateBroadcastReceiver";
Context mContext;
String incoming_number;
private int prev_state;
@Override
public void onReceive(Context context, Intent intent) {
TelephonyManager telephony = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE); //TelephonyManager object
CustomPhoneStateListener customPhoneListener = new CustomPhoneStateListener();
telephony.listen(customPhoneListener, PhoneStateListener.LISTEN_CALL_STATE); //Register our listener with TelephonyManager
Bundle bundle = intent.getExtras();
String phoneNr = bundle.getString("incoming_number");
Log.v(TAG, "phoneNr: "+phoneNr);
mContext = context;
}
/* Custom PhoneStateListener */
public class CustomPhoneStateListener extends PhoneStateListener {
private static final String TAG = "CustomPhoneStateListener";
@Override
public void onCallStateChanged(int state, String incomingNumber){
if(incomingNumber != null && incomingNumber.length() > 0)
incoming_number = incomingNumber;
switch(state){
case TelephonyManager.CALL_STATE_RINGING:
Log.d(TAG, "CALL_STATE_RINGING");
prev_state=state;
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
Log.d(TAG, "CALL_STATE_OFFHOOK");
prev_state=state;
break;
case TelephonyManager.CALL_STATE_IDLE:
Log.d(TAG, "CALL_STATE_IDLE==>"+incoming_number);
if((prev_state == TelephonyManager.CALL_STATE_OFFHOOK)){
prev_state=state;
//Answered Call which is ended
}
if((prev_state == TelephonyManager.CALL_STATE_RINGING)){
prev_state=state;
//Rejected or Missed call
}
break;
}
}
}
}
Lea más aquí, Fuente: http://mobisys.in/blog/2011/09/is-your-call-ended-on-android-phone/