AnimatorListenerCompat.java revision c39d9c75590eca86a5e7e32a8824ba04a0d42e9b 
1/*
2 * Copyright (C) 2015 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.support.v4.animation;
18
19import android.support.annotation.RestrictTo;
20
21import static android.support.annotation.RestrictTo.Scope.GROUP_ID;
22
23/**
24 * <p>An animation listener that receives notifications from an animation.
25 * Notifications indicate animation related events, such as the end or the
26 * repetition of the animation.</p>
27 *
28 * @hide
29 */
30@RestrictTo(GROUP_ID)
31public interface AnimatorListenerCompat {
32
33    /**
34     * <p>Notifies the start of the animation.</p>
35     *
36     * @param animation The started animation.
37     */
38    void onAnimationStart(ValueAnimatorCompat animation);
39
40    /**
41     * <p>Notifies the end of the animation. This callback is not invoked
42     * for animations with repeat count set to INFINITE.</p>
43     *
44     * @param animation The animation which reached its end.
45     */
46    void onAnimationEnd(ValueAnimatorCompat animation);
47
48    /**
49     * <p>Notifies the cancellation of the animation. This callback is not invoked
50     * for animations with repeat count set to INFINITE.</p>
51     *
52     * @param animation The animation which was canceled.
53     */
54    void onAnimationCancel(ValueAnimatorCompat animation);
55
56    /**
57     * <p>Notifies the repetition of the animation.</p>
58     *
59     * @param animation The animation which was repeated.
60     */
61    void onAnimationRepeat(ValueAnimatorCompat animation);
62}
63