1/* 2 * Copyright (C) 2016 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 17package android.support.design.internal; 18 19import android.support.transition.AutoTransition; 20import android.support.transition.TransitionManager; 21import android.support.transition.TransitionSet; 22import android.support.v4.view.animation.FastOutSlowInInterpolator; 23import android.view.ViewGroup; 24 25class BottomNavigationAnimationHelperIcs extends BottomNavigationAnimationHelperBase { 26 private static final long ACTIVE_ANIMATION_DURATION_MS = 115L; 27 28 private final TransitionSet mSet; 29 30 BottomNavigationAnimationHelperIcs() { 31 mSet = new AutoTransition(); 32 mSet.setOrdering(TransitionSet.ORDERING_TOGETHER); 33 mSet.setDuration(ACTIVE_ANIMATION_DURATION_MS); 34 mSet.setInterpolator(new FastOutSlowInInterpolator()); 35 TextScale textScale = new TextScale(); 36 mSet.addTransition(textScale); 37 } 38 39 void beginDelayedTransition(ViewGroup view) { 40 TransitionManager.beginDelayedTransition(view, mSet); 41 } 42} 43