1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 package android.support.v17.leanback.widget; 15 16 import android.animation.Animator; 17 import android.support.annotation.NonNull; 18 19 import java.util.List; 20 21 /** 22 * FragmentAnimationProvider supplies animations for use during a fragment's onCreateAnimator 23 * callback. Animators added here will be added to an animation set and played together. This 24 * allows presenters used by a fragment to control their own fragment lifecycle animations. 25 */ 26 public interface FragmentAnimationProvider { 27 28 /** 29 * Animates the fragment in response to the IME appearing. 30 * @param animators A list of animations to which this provider's animations should be added. 31 */ onImeAppearing(@onNull List<Animator> animators)32 public abstract void onImeAppearing(@NonNull List<Animator> animators); 33 34 /** 35 * Animates the fragment in response to the IME disappearing. 36 * @param animators A list of animations to which this provider's animations should be added. 37 */ onImeDisappearing(@onNull List<Animator> animators)38 public abstract void onImeDisappearing(@NonNull List<Animator> animators); 39 40 } 41