1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.view.animation;
18
19import android.animation.TimeInterpolator;
20
21/**
22 * An interpolator defines the rate of change of an animation. This allows
23 * the basic animation effects (alpha, scale, translate, rotate) to be
24 * accelerated, decelerated, repeated, etc.
25 */
26public interface Interpolator extends TimeInterpolator {
27    // A new interface, TimeInterpolator, was introduced for the new android.animation
28    // package. This older Interpolator interface extends TimeInterpolator so that users of
29    // the new Animator-based animations can use either the old Interpolator implementations or
30    // new classes that implement TimeInterpolator directly.
31}
32