/* * Copyright 2019 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.google.android.material.transition; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import com.google.android.material.animation.AnimationUtils; /** * A {@link androidx.transition.Visibility} transition that, by default, provides a fade in and * scale out when appearing and a fade out and scale out when disappearing. */ public final class MaterialFadeThrough extends MaterialVisibility { private static final float DEFAULT_START_SCALE = 0.92f; @NonNull public static MaterialFadeThrough create() { return new MaterialFadeThrough(); } private MaterialFadeThrough() { setInterpolator(AnimationUtils.FAST_OUT_SLOW_IN_INTERPOLATOR); } @NonNull @Override FadeThroughProvider getDefaultPrimaryAnimatorProvider() { return new FadeThroughProvider(); } @Nullable @Override VisibilityAnimatorProvider getDefaultSecondaryAnimatorProvider() { ScaleProvider scaleProvider = new ScaleProvider(); scaleProvider.setScaleOnDisappear(false); scaleProvider.setIncomingStartScale(DEFAULT_START_SCALE); return scaleProvider; } }