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 
17 package android.support.v17.preference;
18 
19 import android.support.v17.leanback.transition.FadeAndShortSlide;
20 import android.app.Fragment;
21 import android.transition.Transition;
22 import android.view.Gravity;
23 
24 /**
25  * @hide
26  */
27 public class LeanbackPreferenceFragmentTransitionHelperApi21 {
28 
addTransitions(Fragment f)29     public static void addTransitions(Fragment f) {
30         final Transition transitionStartEdge = new FadeAndShortSlide(Gravity.START);
31         final Transition transitionEndEdge = new FadeAndShortSlide(Gravity.END);
32 
33         f.setEnterTransition(transitionEndEdge);
34         f.setExitTransition(transitionStartEdge);
35         f.setReenterTransition(transitionStartEdge);
36         f.setReturnTransition(transitionEndEdge);
37     }
38 
39 
40 }
41