19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.view.animation; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Random; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A layout animation controller is used to animated a layout's, or a view 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * group's, children. Each child uses the same animation but for every one of 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * them, the animation starts at a different time. A layout animation controller 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is used by {@link android.view.ViewGroup} to compute the delay by which each 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * child's animation start must be offset. The delay is computed by using 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * characteristics of each child, like its index in the view group. 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This standard implementation computes the delay by multiplying a fixed 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * amount of miliseconds by the index of the child in its parent view group. 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses are supposed to override 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getDelayForView(android.view.View)} to implement a different way 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of computing the delay. For instance, a 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation.GridLayoutAnimationController} will compute the 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * delay based on the column and row indices of the child in its parent view 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * group. 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Information used to compute the animation delay of each child are stored 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in an instance of 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation.LayoutAnimationController.AnimationParameters}, 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * itself stored in the {@link android.view.ViewGroup.LayoutParams} of the view. 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LayoutAnimation_delay 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LayoutAnimation_animationOrder 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LayoutAnimation_interpolator 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LayoutAnimation_animation 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class LayoutAnimationController { 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Distributes the animation delays in the order in which view were added 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to their view group. 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ORDER_NORMAL = 0; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Distributes the animation delays in the reverse order in which view were 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * added to their view group. 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ORDER_REVERSE = 1; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Randomly distributes the animation delays. 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ORDER_RANDOM = 2; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The animation applied on each child of the view group on which this 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout animation controller is set. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Animation mAnimation; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The randomizer used when the order is set to random. Subclasses should 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * use this object to avoid creating their own. 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Random mRandomizer; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The interpolator used to interpolate the delays. 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Interpolator mInterpolator; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mDelay; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mOrder; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mDuration; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mMaxDelay; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new layout animation controller from external resources. 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context the Context the view group is running in, through which 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it can access the resources 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs the attributes of the XML tag that is inflating the 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout animation controller 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutAnimationController(Context context, AttributeSet attrs) { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, com.android.internal.R.styleable.LayoutAnimation); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Animation.Description d = Animation.Description.parseValue( 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.peekValue(com.android.internal.R.styleable.LayoutAnimation_delay)); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDelay = d.value; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOrder = a.getInt(com.android.internal.R.styleable.LayoutAnimation_animationOrder, ORDER_NORMAL); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int resource = a.getResourceId(com.android.internal.R.styleable.LayoutAnimation_animation, 0); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (resource > 0) { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAnimation(context, resource); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resource = a.getResourceId(com.android.internal.R.styleable.LayoutAnimation_interpolator, 0); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (resource > 0) { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setInterpolator(context, resource); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new layout animation controller with a delay of 50% 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and the specified animation. 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animation the animation to use on each child of the view group 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutAnimationController(Animation animation) { 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(animation, 0.5f); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new layout animation controller with the specified delay 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and the specified animation. 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animation the animation to use on each child of the view group 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param delay the delay by which each child's animation must be offset 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutAnimationController(Animation animation, float delay) { 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDelay = delay; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAnimation(animation); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the order used to compute the delay of each child's animation. 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return one of {@link #ORDER_NORMAL}, {@link #ORDER_REVERSE} or 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ORDER_RANDOM) 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LayoutAnimation_animationOrder 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getOrder() { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOrder; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the order used to compute the delay of each child's animation. 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param order one of {@link #ORDER_NORMAL}, {@link #ORDER_REVERSE} or 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ORDER_RANDOM} 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LayoutAnimation_animationOrder 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOrder(int order) { 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOrder = order; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the animation to be run on each child of the view group on which 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this layout animation controller is . 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context the context from which the animation must be inflated 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resourceID the resource identifier of the animation 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimation(Animation) 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getAnimation() 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LayoutAnimation_animation 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAnimation(Context context, int resourceID) { 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAnimation(AnimationUtils.loadAnimation(context, resourceID)); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the animation to be run on each child of the view group on which 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this layout animation controller is . 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animation the animation to run on each child of the view group 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimation(android.content.Context, int) 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getAnimation() 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LayoutAnimation_animation 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAnimation(Animation animation) { 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimation = animation; 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimation.setFillBefore(true); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the animation applied to each child of the view group on which 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this controller is set. 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an {@link android.view.animation.Animation} instance 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimation(android.content.Context, int) 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimation(Animation) 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Animation getAnimation() { 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAnimation; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the interpolator used to interpolate the delays between the 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children. 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context the context from which the interpolator must be inflated 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resourceID the resource identifier of the interpolator 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getInterpolator() 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setInterpolator(Interpolator) 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LayoutAnimation_interpolator 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setInterpolator(Context context, int resourceID) { 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setInterpolator(AnimationUtils.loadInterpolator(context, resourceID)); 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the interpolator used to interpolate the delays between the 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children. 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param interpolator the interpolator 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getInterpolator() 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setInterpolator(Interpolator) 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#LayoutAnimation_interpolator 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setInterpolator(Interpolator interpolator) { 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInterpolator = interpolator; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the interpolator used to interpolate the delays between the 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children. 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an {@link android.view.animation.Interpolator} 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Interpolator getInterpolator() { 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mInterpolator; 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the delay by which the children's animation are offset. The 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * delay is expressed as a fraction of the animation duration. 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a fraction of the animation duration 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setDelay(float) 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float getDelay() { 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDelay; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the delay, as a fraction of the animation duration, by which the 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children's animations are offset. The general formula is: 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre> 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * child animation delay = child index * delay * animation duration 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param delay a fraction of the animation duration 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getDelay() 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDelay(float delay) { 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDelay = delay; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether two children's animations will overlap. Animations 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * overlap when the delay is lower than 100% (or 1.0). 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if animations will overlap, false otherwise 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean willOverlap() { 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDelay < 1.0f; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Starts the animation. 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void start() { 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDuration = mAnimation.getDuration(); 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxDelay = Long.MIN_VALUE; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimation.setStartTime(-1); 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the animation to be applied to the specified view. The returned 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation is delayed by an offset computed according to the information 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * provided by 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation.LayoutAnimationController.AnimationParameters}. 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This method is called by view groups to obtain the animation to set on 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a specific child. 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view the view to animate 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an animation delayed by the number of milliseconds returned by 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getDelayForView(android.view.View)} 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getDelay() 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setDelay(float) 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getDelayForView(android.view.View) 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Animation getAnimationForView(View view) { 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long delay = getDelayForView(view) + mAnimation.getStartOffset(); 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMaxDelay = Math.max(mMaxDelay, delay); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Animation animation = mAnimation.clone(); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project animation.setStartOffset(delay); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return animation; 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (CloneNotSupportedException e) { 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the layout animation is over or not. A layout animation 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is considered done when the animation with the longest delay is done. 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if all of the children's animations are over, false otherwise 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isDone() { 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AnimationUtils.currentAnimationTimeMillis() > 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimation.getStartTime() + mMaxDelay + mDuration; 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the amount of milliseconds by which the specified view's 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation must be delayed or offset. Subclasses should override this 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * method to return a suitable value. 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This implementation returns <code>child animation delay</code> 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * milliseconds where: 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre> 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * child animation delay = child index * delay 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The index is retrieved from the 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation.LayoutAnimationController.AnimationParameters} 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * found in the view's {@link android.view.ViewGroup.LayoutParams}. 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view the view for which to obtain the animation's delay 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a delay in milliseconds 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getAnimationForView(android.view.View) 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getDelay() 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getTransformedIndex(android.view.animation.LayoutAnimationController.AnimationParameters) 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.ViewGroup.LayoutParams 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected long getDelayForView(View view) { 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewGroup.LayoutParams lp = view.getLayoutParams(); 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AnimationParameters params = lp.layoutAnimationParameters; 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params == null) { 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float delay = mDelay * mAnimation.getDuration(); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long viewDelay = (long) (getTransformedIndex(params) * delay); 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float totalDelay = delay * params.count; 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInterpolator == null) { 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInterpolator = new LinearInterpolator(); 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float normalizedDelay = viewDelay / totalDelay; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project normalizedDelay = mInterpolator.getInterpolation(normalizedDelay); 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (long) (normalizedDelay * totalDelay); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Transforms the index stored in 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation.LayoutAnimationController.AnimationParameters} 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by the order returned by {@link #getOrder()}. Subclasses should override 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method to provide additional support for other types of ordering. 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This method should be invoked by 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getDelayForView(android.view.View)} prior to any computation. 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the animation parameters containing the index 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a transformed index 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int getTransformedIndex(AnimationParameters params) { 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (getOrder()) { 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ORDER_REVERSE: 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return params.count - 1 - params.index; 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ORDER_RANDOM: 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRandomizer == null) { 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRandomizer = new Random(); 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (int) (params.count * mRandomizer.nextFloat()); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ORDER_NORMAL: 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return params.index; 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The set of parameters that has to be attached to each view contained in 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the view group animated by the layout animation controller. These 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters are used to compute the start time of each individual view's 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation. 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class AnimationParameters { 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The number of children in the view group containing the view to which 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * these parameters are attached. 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int count; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The index of the view to which these parameters are attached in its 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * containing view group. 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int index; 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 436