Java tutorial
/* * Copyright (C) 2015 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 * * http://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.android.contacts.compat; import android.widget.EdgeEffect; import com.android.contacts.common.compat.CompatUtils; /** * Compatibility class for {@link android.widget.EdgeEffect} * The android.support.v4.widget.EdgeEffectCompat doesn't support customized color, so we write * our own and keep using EdgeEffect to customize color. */ public class EdgeEffectCompat { /** * Compatibility method for {@link EdgeEffect#onPull(float, float)}, which is only available * on Lollipop+. */ public static void onPull(EdgeEffect edgeEffect, float deltaDistance, float displacement) { if (CompatUtils.isLollipopCompatible()) { edgeEffect.onPull(deltaDistance, displacement); } else { edgeEffect.onPull(deltaDistance); } } }