Mark voicemail as read when call details page is opened.

import android.app.ListActivity;

import android.content.ContentResolver;

import android.content.ContentUris;

import android.content.ContentValues;

import android.content.Context;

import android.content.Intent;

import android.content.res.Resources;

import android.database.Cursor;

import android.net.Uri;

import android.os.AsyncTask;

import android.os.Bundle;

import android.provider.CallLog;

import android.provider.CallLog.Calls;

import android.provider.Contacts.Intents.Insert;

import android.provider.ContactsContract.Contacts;

import android.provider.ContactsContract.PhoneLookup;

import android.provider.VoicemailContract.Voicemails;

import android.telephony.PhoneNumberUtils;

import android.telephony.TelephonyManager;

import android.text.TextUtils;

            getFragmentManager().beginTransaction()

                    .add(R.id.voicemail_container, playbackFragment).commit();

            mAsyncQueryHandler.startVoicemailStatusQuery(getVoicemailUri());

            markVoicemailAsRead(getVoicemailUri());

        } else {

            // No voicemail uri: hide the status view.

            mStatusMessageView.setVisibility(View.GONE);

        return getIntent().getParcelableExtra(EXTRA_VOICEMAIL_URI);

    }

    private void markVoicemailAsRead(final Uri voicemailUri) {

        new AsyncTask<Void, Void, Void>() {

            @Override

            protected Void doInBackground(Void... params) {

                ContentValues values = new ContentValues();

                values.put(Voicemails.IS_READ, true);

                getContentResolver().update(voicemailUri, values, null, null);

                return null;

            }

        }.execute();

    }

    /**

     * Returns the list of URIs to show.

     * <p>