Null check for ManagedServiceSetting dialog title

import android.util.Log;

import android.view.View;

import androidx.appcompat.app.AlertDialog;

import androidx.fragment.app.Fragment;

import androidx.preference.PreferenceScreen;

import androidx.preference.SwitchPreference;

import com.android.internal.logging.nano.MetricsProto;

import com.android.settings.R;

import com.android.settings.Utils;

import java.util.List;

import androidx.appcompat.app.AlertDialog;

import androidx.fragment.app.Fragment;

import androidx.preference.PreferenceScreen;

import androidx.preference.SwitchPreference;

public abstract class ManagedServiceSettings extends EmptyTextSettings {

    private static final String TAG = "ManagedServiceSettings";

    private final Config mConfig;

                // unlikely, as we are iterating over live services.

                Log.e(TAG, "can't find package name", e);

            }

            final String finalTitle = title.toString();

            final CharSequence finalTitle = title;

            final String summary = service.loadLabel(mPm).toString();

            final SwitchPreference pref = new AppSwitchPreference(getPrefContext());

            pref.setPersistent(false);

            }

            pref.setOnPreferenceChangeListener((preference, newValue) -> {

                final boolean enable = (boolean) newValue;

                return setEnabled(cn, finalTitle, enable);

                if (finalTitle != null) {

                    return setEnabled(cn, finalTitle.toString(), enable);

                } else {

                    return setEnabled(cn, null, enable);

                }

            });

            pref.setKey(cn.flattenToString());

            screen.addPreference(pref);