1/*
2 * Copyright 2018 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 androidx.leanback.preference;
18
19import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP;
20
21import android.app.Fragment;
22import android.transition.Transition;
23import android.view.Gravity;
24
25import androidx.annotation.RequiresApi;
26import androidx.annotation.RestrictTo;
27import androidx.leanback.transition.FadeAndShortSlide;
28
29/**
30 * @hide
31 */
32@RequiresApi(21)
33@RestrictTo(LIBRARY_GROUP)
34public class LeanbackPreferenceFragmentTransitionHelperApi21 {
35
36    public static void addTransitions(Fragment f) {
37        final Transition transitionStartEdge = new FadeAndShortSlide(Gravity.START);
38        final Transition transitionEndEdge = new FadeAndShortSlide(Gravity.END);
39
40        f.setEnterTransition(transitionEndEdge);
41        f.setExitTransition(transitionStartEdge);
42        f.setReenterTransition(transitionStartEdge);
43        f.setReturnTransition(transitionEndEdge);
44    }
45
46
47    private LeanbackPreferenceFragmentTransitionHelperApi21() {
48    }
49}
50