TransitionListenerAdapter.java

/*
 * Copyright (C) 2017 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 androidx.transition;

import androidx.annotation.NonNull;

/**
 * This adapter class provides empty implementations of the methods from {@link
 * Transition.TransitionListener}.
 * Any custom listener that cares only about a subset of the methods of this listener can
 * simply subclass this adapter class instead of implementing the interface directly.
 */
public class TransitionListenerAdapter implements Transition.TransitionListener {

    @Override
    public void onTransitionStart(@NonNull Transition transition) {
    }

    @Override
    public void onTransitionEnd(@NonNull Transition transition) {
    }

    @Override
    public void onTransitionCancel(@NonNull Transition transition) {
    }

    @Override
    public void onTransitionPause(@NonNull Transition transition) {
    }

    @Override
    public void onTransitionResume(@NonNull Transition transition) {
    }

}