Merge "Add fallback holder for home role behavior."

        behavior="HomeRoleBehavior"

        exclusive="true"

        label="@string/role_label_home">

        <!-- Also used by HomeRoleBehavior.getFallbackHolder(). -->

        <required-components>

            <activity>

                <intent-filter>

import android.provider.Settings;

import androidx.annotation.NonNull;

import androidx.annotation.Nullable;

import androidx.preference.Preference;

import com.android.packageinstaller.role.utils.UserUtils;

import com.android.permissioncontroller.R;

import java.util.List;

import java.util.Objects;

/**

        return !UserUtils.isWorkProfile(user, context);

    }

    /**

     * @see com.android.server.pm.PackageManagerService#getDefaultHomeActivity(int)

     */

    @Nullable

    @Override

    public String getFallbackHolder(@NonNull Role role, @NonNull Context context) {

        PackageManager packageManager = context.getPackageManager();

        Intent intent = role.getRequiredComponents().get(0).getIntentFilterData().createIntent();

        List<ResolveInfo> resolveInfos = packageManager.queryIntentActivities(intent,

                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.MATCH_DIRECT_BOOT_AWARE

                | PackageManager.MATCH_DIRECT_BOOT_UNAWARE);

        String packageName = null;

        int priority = Integer.MIN_VALUE;

        int resolveInfosSize = resolveInfos.size();

        for (int i = 0; i < resolveInfosSize; i++) {

            ResolveInfo resolveInfo = resolveInfos.get(i);

            // Leave the fallback to PackageManagerService if there is only the fallback home in

            // Settings, because if we fallback to it here, we cannot fallback to a normal home

            // later, and user cannot see the fallback home in the UI anyway.

            if (isSettingsApplication(resolveInfo.activityInfo.applicationInfo, context)) {

                continue;

            }

            if (resolveInfo.priority > priority) {

                packageName = resolveInfo.activityInfo.packageName;

                priority = resolveInfo.priority;

            } else if (resolveInfo.priority == priority) {

                packageName = null;

            }

        }

        return packageName;

    }

    @Override

    public void prepareApplicationPreferenceAsUser(@NonNull Role role,

            @NonNull Preference preference, @NonNull ApplicationInfo applicationInfo,