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 com.android.camera.ui.motion; 18 19 import android.content.Context; 20 import android.view.animation.AnimationUtils; 21 import android.view.animation.DecelerateInterpolator; 22 import android.view.animation.Interpolator; 23 24 import com.android.camera.util.ApiHelper; 25 26 import javax.annotation.Nonnull; 27 28 public class InterpolatorHelper { 29 private static Interpolator LINEAR_OUT_SLOW_IN = null; 30 31 @Nonnull 32 public static Interpolator getLinearOutSlowInInterpolator(final @Nonnull Context context) { 33 if (LINEAR_OUT_SLOW_IN != null) { 34 return LINEAR_OUT_SLOW_IN; 35 } 36 37 if (ApiHelper.isLOrHigher()) { 38 LINEAR_OUT_SLOW_IN = AnimationUtils.loadInterpolator( 39 context, android.R.interpolator.linear_out_slow_in); 40 } else { 41 LINEAR_OUT_SLOW_IN = new DecelerateInterpolator(); 42 } 43 return LINEAR_OUT_SLOW_IN; 44 } 45 } 46
