Create ResourceBasedOverride for SearchSessionManager.

/*

 * Copyright (C) 2022 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.android.launcher3.search;

import android.app.search.SearchSession;

import android.content.Context;

import androidx.annotation.IntDef;

import androidx.annotation.UiThread;

import com.android.launcher3.R;

import com.android.launcher3.model.data.ItemInfo;

import com.android.launcher3.util.ResourceBasedOverride;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.util.List;

/** Manages an all apps search session. */

public class SearchSessionManager implements ResourceBasedOverride {

    /** Entry state for the search session (e.g. from all apps). */

    @Retention(RetentionPolicy.SOURCE)

    @IntDef(value = {ZERO_ALLAPPS, ZERO_QSB})

    public @interface ZeroEntryState {}

    public static final int ZERO_ALLAPPS = 1;

    public static final int ZERO_QSB = 2;

    /** Creates a {@link SearchSessionManager} instance. */

    public static SearchSessionManager newInstance(Context context) {

        return Overrides.getObject(

                SearchSessionManager.class, context, R.string.search_session_manager_class);

    }

    /** The current {@link SearchSession}. */

    @UiThread

    public void setSearchSession(SearchSession session) {}

    /** {@code true} if IME is shown. */

    public void setIsImeShown(boolean value) {}

    /** Returns {@code true} if IME is enabled. */

    public boolean getIsImeEnabled() {

        return false;

    }

    /** The current entry state for search. */

    public @ZeroEntryState int getEntryState() {

        return ZERO_ALLAPPS;

    }

    /**

     * When user enters all apps surface via tap on home widget, set the state to

     * {@code #ZERO_QSB}. When user exits, reset to {@code #ZERO_ALLAPPS}

     */

    public void setEntryState(@ZeroEntryState int state) {}

    /** This will be called before opening all apps, to prepare zero state suggestions. */

    public void prepareZeroState() {}

    /** Apply predicted items for the search zero state. */

    public void setZeroStatePredictedItems(List<ItemInfo> items) {}

    /** Returns {@code true} if the session is valid and should be enabled. */

    public boolean isValidSession() {

        return false;

    }

    /** Called when the search session is destroyed. */

    public void onDestroy() {}

}

    <string name="custom_activity_picker" translatable="false">

        com.android.customization.picker.CustomizationPickerActivity</string>

    <string name="local_colors_extraction_class" translatable="false"></string>

    <string name="search_session_manager_class" translatable="false"></string>

    <!-- Accessibility actions -->

    <item type="id" name="action_remove" />