1 /* 2 * Copyright (C) 2014 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.keyguard; 18 19 import android.content.Context; 20 import android.view.View; 21 import android.view.animation.AnimationUtils; 22 import android.view.animation.Interpolator; 23 24 /** 25 * A class to make nice disappear transitions for views in a tabular layout. 26 */ 27 public class DisappearAnimationUtils extends AppearAnimationUtils { 28 29 public DisappearAnimationUtils(Context ctx) { 30 this(ctx, DEFAULT_APPEAR_DURATION, 31 1.0f, 1.0f, 32 AnimationUtils.loadInterpolator(ctx, android.R.interpolator.linear_out_slow_in)); 33 } 34 35 public DisappearAnimationUtils(Context ctx, long duration, float translationScaleFactor, 36 float delayScaleFactor, Interpolator interpolator) { 37 super(ctx, duration, translationScaleFactor, delayScaleFactor, interpolator); 38 mScaleTranslationWithRow = true; 39 mAppearing = false; 40 } 41 42 protected long calculateDelay(int row, int col) { 43 return (long) ((row * 60 + col * (Math.pow(row, 0.4) + 0.4) * 10) * mDelayScale); 44 } 45 } 46
