2 * Copyright (C) 2015 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.camera.ui.motion;
19 import android.content.Context;
20 import android.view.animation.AnimationUtils;
21 import android.view.animation.DecelerateInterpolator;
22 import android.view.animation.Interpolator;
24 import com.android.camera.util.ApiHelper;
26 import javax.annotation.Nonnull;
28 public class InterpolatorHelper {
29 private static Interpolator LINEAR_OUT_SLOW_IN = null;
32 public static Interpolator getLinearOutSlowInInterpolator(final @Nonnull Context context) {
33 if (LINEAR_OUT_SLOW_IN != null) {
34 return LINEAR_OUT_SLOW_IN;
37 if (ApiHelper.isLOrHigher()) {
38 LINEAR_OUT_SLOW_IN = AnimationUtils.loadInterpolator(
39 context, android.R.interpolator.linear_out_slow_in);
41 LINEAR_OUT_SLOW_IN = new DecelerateInterpolator();
43 return LINEAR_OUT_SLOW_IN;