src/com/android/wallpaper/picker/FragmentTransactionChecker.java

/*
 * Copyright (C) 2020 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.wallpaper.picker;

/**
 * An interface for a class to keep track of whether fragment transactions are safe to commit given
 * the activity's current lifecycle state.
 */
public interface FragmentTransactionChecker {
    /**
     * Checks if the fragment transactions are safe to commit
     *
     * @return {@code true} if it is safe; {@code false} otherwise.
     */
    boolean isSafeToCommitFragmentTransaction();
}