Null check every ComponentName call inside FolderNameProvider

 */

package com.android.launcher3.folder;

import android.content.ComponentName;

import android.content.Context;

import android.os.Process;

import android.os.UserHandle;

import android.text.TextUtils;

import android.util.Log;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import java.util.Map;

import java.util.Objects;

import java.util.Optional;

import java.util.concurrent.ConcurrentHashMap;

import java.util.function.Function;

import java.util.function.Predicate;

import java.util.Set;

import java.util.stream.Collectors;

/**

        }

        // If all the icons are from work profile,

        // Then, suggest "Work" as the folder name

        List<WorkspaceItemInfo> distinctItemInfos = workspaceItemInfos.stream()

                .filter(distinctByKey(p -> p.user))

                .collect(Collectors.toList());

        if (distinctItemInfos.size() == 1

                && !distinctItemInfos.get(0).user.equals(Process.myUserHandle())) {

            // Place it as last viable suggestion

        Set<UserHandle> users = workspaceItemInfos.stream().map(w -> w.user)

                .collect(Collectors.toSet());

        if (users.size() == 1 && !users.contains(Process.myUserHandle())) {

            setAsLastSuggestion(nameInfos,

                    context.getResources().getString(R.string.work_folder_name));

        }

        // If all the icons are from same package (e.g., main icon, shortcut, shortcut)

        // Then, suggest the package's title as the folder name

        distinctItemInfos = workspaceItemInfos.stream()

                .filter(distinctByKey(p -> p.getTargetComponent() != null

                        ? p.getTargetComponent().getPackageName() : ""))

                .collect(Collectors.toList());

        if (distinctItemInfos.size() == 1) {

            Optional<AppInfo> info = getAppInfoByPackageName(

                    distinctItemInfos.get(0).getTargetComponent().getPackageName());

        Set<String> packageNames = workspaceItemInfos.stream()

                .map(WorkspaceItemInfo::getTargetComponent)

                .filter(Objects::nonNull)

                .map(ComponentName::getPackageName)

                .collect(Collectors.toSet());

        if (packageNames.size() == 1) {

            Optional<AppInfo> info = getAppInfoByPackageName(packageNames.iterator().next());

            // Place it as first viable suggestion and shift everything else

            info.ifPresent(i -> setAsFirstSuggestion(nameInfos, i.title.toString()));

        }

            return Optional.empty();

        }

        return mAppInfos.stream()

                .filter(info -> info.componentName != null)

                .filter(info -> info.componentName.getPackageName().equals(packageName))

                .findAny();

    }

                        label.toString()));

    }

    // This method can be moved to some Utility class location.

    private static <T> Predicate<T> distinctByKey(Function<? super T, Object> keyExtractor) {

        Map<Object, Boolean> map = new ConcurrentHashMap<>();

        return t -> map.putIfAbsent(keyExtractor.apply(t), Boolean.TRUE) == null;

    }

    private class FolderNameWorker extends BaseModelUpdateTask {

        @Override

        public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {