task: add String values

package com.android.calendar.event;

import android.app.Activity;

import android.app.AlertDialog;

import android.app.Dialog;

import androidx.fragment.app.DialogFragment;

import android.content.Context;

import android.content.DialogInterface;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.View;

import android.widget.Spinner;

import ws.xsoh.etar.R;

/**

 * Allows the user to quickly import a multi event cal file.

 */

public class ImportMultiEventDialogFragment extends DialogFragment {

    private static final String TAG = "ImportMultipleEventDialogFragment";

    private AlertDialog mAlertDialog;

    Spinner mCalendarsSpinner;

    public ImportMultiEventDialogFragment() {

        // Empty constructor required for DialogFragment.

    }

    @Override

    public Dialog onCreateDialog(Bundle savedInstanceState) {

        final Activity activity = getActivity();

        final LayoutInflater layoutInflater = (LayoutInflater) activity

                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);

        final View view = layoutInflater.inflate(R.layout.import_multi_event_dialog, null);

        mCalendarsSpinner = (Spinner) view.findViewById(R.id.calendars_spinner);

        mAlertDialog = new AlertDialog.Builder(activity)

                .setTitle(R.string.import_multi_event_dialog_title)

                .setView(view)

                .setPositiveButton(R.string.import_multi_event_dialog_validate,

                        (dialog, which) -> {

                            //todo may be it could be better to have the listener define in importActivity

                            dismiss();

                        })

                .setNegativeButton(android.R.string.cancel, null)

                .create();

        return mAlertDialog;

    }

}

    <!-- Toast message displayed responding to an event from an email as declined

     [CHAR LIMIT=50] -->

    <string name="rsvp_declined">"Responded no."</string>

    <skip/>

    <!-- Pick calendar dialog for import of multi event cal file -->

    <skip/>

    <!-- Positive button text for the pick calendar dialog -->

    <string name="pick_calendar_dialog_validate">Ok</string>

    <!-- Title of the pick calendar dialog -->

    <string name="pick_calendar_dialog_title">Import events</string>

    <!-- Text of the pick calendar dialog -->

    <string name="pick_calendar_dialog_text">In which calendar do you want to import these x events?</string>

    <!-- Toast message when importing multi event succeeded -->

    <string name="import_multi_event_confirmation_toast">The events have been created successfully.</string>

    <!-- Create event dialog -->

    <skip/>