ValueAnimator.java revision 1ffb280a7d2c70cc16d709c685f5d31fdb86b5e4
1a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase/* 2a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Copyright (C) 2010 The Android Open Source Project 3a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 4a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Licensed under the Apache License, Version 2.0 (the "License"); 5a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * you may not use this file except in compliance with the License. 6a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * You may obtain a copy of the License at 7a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 8a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * http://www.apache.org/licenses/LICENSE-2.0 9a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 10a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Unless required by applicable law or agreed to in writing, software 11a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * distributed under the License is distributed on an "AS IS" BASIS, 12a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * See the License for the specific language governing permissions and 14a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * limitations under the License. 15a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 16a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 17a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haasepackage android.animation; 18a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 19a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport android.os.Looper; 2018772ea228f3d292629c4f0b5f6392d047e0530dRomain Guyimport android.os.Trace; 212970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haaseimport android.util.AndroidRuntimeException; 2296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brownimport android.view.Choreographer; 23a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport android.view.animation.AccelerateDecelerateInterpolator; 24a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport android.view.animation.AnimationUtils; 2527c1d4debb3848f5accd5673fffeeacad3e61648Chet Haaseimport android.view.animation.LinearInterpolator; 26a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 27a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport java.util.ArrayList; 28a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport java.util.HashMap; 29a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 30a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase/** 31a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This class provides a simple timing engine for running animations 32a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * which calculate animated values and set them on target objects. 33a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 34a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>There is a single timing pulse that all animations use. It runs in a 35a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * custom handler to ensure that property changes happen on the UI thread.</p> 36a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 37a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>By default, ValueAnimator uses non-linear time interpolation, via the 38a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AccelerateDecelerateInterpolator} class, which accelerates into and decelerates 39a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * out of an animation. This behavior can be changed by calling 40e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase * {@link ValueAnimator#setInterpolator(TimeInterpolator)}.</p> 413aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * 423aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <div class="special reference"> 433aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <h3>Developer Guides</h3> 443aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <p>For more information about animating with {@code ValueAnimator}, read the 453aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <a href="{@docRoot}guide/topics/graphics/prop-animation.html#value-animator">Property 463aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * Animation</a> developer guide.</p> 473aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * </div> 48a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 4918772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy@SuppressWarnings("unchecked") 502794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haasepublic class ValueAnimator extends Animator { 51a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 52a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 53a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Internal constants 54a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 55d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase private static float sDurationScale = 1.0f; 56a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 57a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 58a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Values used with internal variable mPlayingState to indicate the current state of an 59a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation. 60a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 61051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase static final int STOPPED = 0; // Not yet playing 62051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase static final int RUNNING = 1; // Playing normally 63051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase static final int SEEKED = 2; // Seeked to some time value 64a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 65a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 66a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Internal variables 67a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * NOTE: This object implements the clone() method, making a deep copy of any referenced 68a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * objects. As other non-trivial fields are added to this class, make sure to add logic 69a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to clone() to make deep copies of them. 70a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 71a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 72a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The first time that the animation's animateFrame() method is called. This time is used to 73a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // determine elapsed time (and therefore the elapsed fraction) in subsequent calls 74a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // to animateFrame() 75051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase long mStartTime; 76a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 77a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 78a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Set when setCurrentPlayTime() is called. If negative, animation is not currently seeked 79a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to a value. 80a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 81051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase long mSeekTime = -1; 82a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 838aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase /** 848aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * Set on the next frame after pause() is called, used to calculate a new startTime 858aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * or delayStartTime which allows the animator to continue from the point at which 868aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * it was paused. If negative, has not yet been set. 878aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase */ 888aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase private long mPauseTime; 898aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 908aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase /** 918aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * Set when an animator is resumed. This triggers logic in the next frame which 928aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * actually resumes the animator. 938aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase */ 948aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase private boolean mResumed = false; 958aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 968aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 97a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The static sAnimationHandler processes the internal timing loop on which all animations 98a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // are based 99be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** 100be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 101be19e030a14c8e398e8af97fa898ea80187704dfChet Haase */ 102be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected static ThreadLocal<AnimationHandler> sAnimationHandler = 103e3bc4e6f102fbef760fe0a59dd807363571b0867Chet Haase new ThreadLocal<AnimationHandler>(); 104e3bc4e6f102fbef760fe0a59dd807363571b0867Chet Haase 105a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The time interpolator to be used if none is set on the animation 106e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase private static final TimeInterpolator sDefaultInterpolator = 107e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase new AccelerateDecelerateInterpolator(); 108a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 109a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 110a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Used to indicate whether the animation is currently playing in reverse. This causes the 111a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * elapsed fraction to be inverted to calculate the appropriate values. 112a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 113a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean mPlayingBackwards = false; 114a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 115a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 116a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This variable tracks the current iteration that is playing. When mCurrentIteration exceeds the 117a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * repeatCount (if repeatCount!=INFINITE), the animation ends 118a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 119a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mCurrentIteration = 0; 120a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 121a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 122a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * Tracks current elapsed/eased fraction, for querying in getAnimatedFraction(). 123a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase */ 124a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase private float mCurrentFraction = 0f; 125a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase 126a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase /** 127a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Tracks whether a startDelay'd animation has begun playing through the startDelay. 128a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 129a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean mStartedDelay = false; 130a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 131a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 132a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Tracks the time at which the animation began playing through its startDelay. This is 133a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * different from the mStartTime variable, which is used to track when the animation became 134a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * active (which is when the startDelay expired and the animation was added to the active 135a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animations list). 136a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 137a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private long mDelayStartTime; 138a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 139a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 140a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Flag that represents the current state of the animation. Used to figure out when to start 141a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * an animation (if state == STOPPED). Also used to end an animation that 142a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * has been cancel()'d or end()'d since the last animation frame. Possible values are 143e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase * STOPPED, RUNNING, SEEKED. 144a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 145051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase int mPlayingState = STOPPED; 146a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 147a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 148b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * Additional playing state to indicate whether an animator has been start()'d. There is 149b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * some lag between a call to start() and the first animation frame. We should still note 150b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * that the animation has been started, even if it's first animation frame has not yet 151b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * happened, and reflect that state in isRunning(). 152b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * Note that delayed animations are different: they are not started until their first 153b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * animation frame, which occurs after their delay elapses. 154b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase */ 1558b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase private boolean mRunning = false; 1568b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase 1578b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase /** 1588b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * Additional playing state to indicate whether an animator has been start()'d, whether or 1598b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * not there is a nonzero startDelay. 1608b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase */ 161b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase private boolean mStarted = false; 162b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase 163b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase /** 1648aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * Tracks whether we've notified listeners of the onAnimationStart() event. This can be 16517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase * complex to keep track of since we notify listeners at different times depending on 16617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase * startDelay and whether start() was called before end(). 16717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase */ 16817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase private boolean mStartListenersCalled = false; 16917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase 17017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase /** 171a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Flag that denotes whether the animation is set up and ready to go. Used to 172a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * set up animation that has not yet been started. 173a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 174a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase boolean mInitialized = false; 175a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 176a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // 177a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Backing variables 178a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // 179a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 180a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // How long the animation should last in ms 181c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase private long mDuration = (long)(300 * sDurationScale); 182d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase private long mUnscaledDuration = 300; 183a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 184a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The amount of time in ms to delay starting the animation after start() is called 185a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private long mStartDelay = 0; 186d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase private long mUnscaledStartDelay = 0; 187a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 188a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The number of times the animation will repeat. The default is 0, which means the animation 189a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // will play only once 190a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mRepeatCount = 0; 191a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 192a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 193a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The type of repetition that will occur when repeatMode is nonzero. RESTART means the 194a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation will start from the beginning on every new cycle. REVERSE means the animation 195a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will reverse directions on each iteration. 196a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 197a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mRepeatMode = RESTART; 198a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 199a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 200a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The time interpolator to be used. The elapsed fraction of the animation will be passed 201a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * through this interpolator to calculate the interpolated fraction, which is then used to 202a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * calculate the animated values. 203a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 204e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase private TimeInterpolator mInterpolator = sDefaultInterpolator; 205a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 206a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 207a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The set of listeners to be sent events through the life of an animation. 208a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 209a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private ArrayList<AnimatorUpdateListener> mUpdateListeners = null; 210a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 211a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 212a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The property/value sets being animated. 213a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 214a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder[] mValues; 215a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 216a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 217a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * A hashmap of the PropertyValuesHolder objects. This map is used to lookup animated values 218a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * by property name during calls to getAnimatedValue(String). 219a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 220a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase HashMap<String, PropertyValuesHolder> mValuesMap; 221a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 222a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 223a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Public constants 224a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 225a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 226a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 227a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * When the animation reaches the end and <code>repeatCount</code> is INFINITE 228a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * or a positive value, the animation restarts from the beginning. 229a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 230a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int RESTART = 1; 231a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 232a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * When the animation reaches the end and <code>repeatCount</code> is INFINITE 233a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * or a positive value, the animation reverses direction on every iteration. 234a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 235a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int REVERSE = 2; 236a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 237a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This value used used with the {@link #setRepeatCount(int)} property to repeat 238a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the animation indefinitely. 239a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 240a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int INFINITE = -1; 241a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 242c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase 243c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase /** 244c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase * @hide 245c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase */ 246c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase public static void setDurationScale(float durationScale) { 247c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase sDurationScale = durationScale; 248c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase } 249c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase 250a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 251ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown * @hide 252ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown */ 253ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown public static float getDurationScale() { 254ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown return sDurationScale; 255ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown } 256ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown 257ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown /** 258a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Creates a new ValueAnimator object. This default constructor is primarily for 2592794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * use internally; the factory methods which take parameters are more generally 260a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * useful. 261a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 262a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public ValueAnimator() { 263a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 264a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 265a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 2662794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between int values. A single 2672794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 2682794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 2692794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 2702794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 2712794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 272a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 2732794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 2742794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 27541f041d9986f8a5d45b6cb0b86e881c81a412168Chet Haase */ 2762794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofInt(int... values) { 2772794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 2782794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setIntValues(values); 2792794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 2802794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 2812794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 2822794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 2831ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * Constructs and returns a ValueAnimator that animates between color values. A single 2841ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * value implies that that value is the one being animated to. However, this is not typically 2851ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * useful in a ValueAnimator object because there is no way for the object to determine the 2861ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * starting value for the animation (unlike ObjectAnimator, which can derive that value 2871ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * from the target object and property being animated). Therefore, there should typically 2881ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * be two or more values. 2891ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * 2901ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * @param values A set of values that the animation will animate between over time. 2911ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * @return A ValueAnimator object that is set up to animate between the given values. 2921ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount */ 2931ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount public static ValueAnimator ofArgb(int... values) { 2941ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount ValueAnimator anim = new ValueAnimator(); 2951ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount anim.setIntValues(values); 2961ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount anim.setEvaluator(ArgbEvaluator.getInstance()); 2971ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount return anim; 2981ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount } 2991ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount 3001ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount /** 3012794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between float values. A single 3022794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3032794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3042794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3052794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3062794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3072794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3082794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3092794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3102794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3112794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofFloat(float... values) { 3122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setFloatValues(values); 3142794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3152794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3162794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3172794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3182794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between the values 3192794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * specified in the PropertyValuesHolder objects. 3202794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3212794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of PropertyValuesHolder objects whose values will be animated 3222794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * between over time. 3232794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3242794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3252794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofPropertyValuesHolder(PropertyValuesHolder... values) { 3262794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3272794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setValues(values); 3282794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3292794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3302794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3312794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between Object values. A single 3322794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3332794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3342794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3352794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3362794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3372794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3382794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>Since ValueAnimator does not know how to animate between arbitrary Objects, this 3392794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * factory method also takes a TypeEvaluator object that the ValueAnimator will use 3402794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * to perform that interpolation. 3412794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3422794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param evaluator A TypeEvaluator that will be called on each animation frame to 3432794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * provide the ncessry interpolation between the Object values to derive the animated 3442794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value. 3452794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3462794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3472794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3482794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofObject(TypeEvaluator evaluator, Object... values) { 3492794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3502794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setObjectValues(values); 3512794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setEvaluator(evaluator); 3522794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3532794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3542794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3552794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3562794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets int values that will be animated between. A single 3572794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3582794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3592794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3602794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3612794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3622794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3632794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 3642794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 3652794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 3662794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3672794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3682794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3692794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setIntValues(int... values) { 3702794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 3712794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 3722794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3732794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 37418772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofInt("", values)); 3752794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 3762794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 3772794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setIntValues(values); 3782794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3792794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 3802794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 3812794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3822794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3832794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3842794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets float values that will be animated between. A single 3852794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3862794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3872794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3882794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3892794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3902794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3912794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 3922794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 3932794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 3942794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3952794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3962794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3972794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setFloatValues(float... values) { 3982794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 3992794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 40041f041d9986f8a5d45b6cb0b86e881c81a412168Chet Haase } 4012794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 40218772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofFloat("", values)); 4032794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 4042794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 4052794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setFloatValues(values); 4062794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4072794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 4082794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 4092794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4102794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 4112794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 4122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets the values to animate between for this animation. A single 4132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 4142794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 4152794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 4162794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 4172794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 4182794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4192794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 4202794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 4212794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 4222794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4232794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>There should be a TypeEvaluator set on the ValueAnimator that knows how to interpolate 4242794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * between these value objects. ValueAnimator only knows how to interpolate between the 4252794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * primitive types specified in the other setValues() methods.</p> 4262794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4272794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values The set of values to animate between. 4282794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 4292794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setObjectValues(Object... values) { 4302794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 4312794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 4322794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4332794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 43418772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofObject("", null, values)); 4352794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 4362794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 4372794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setObjectValues(values); 4382794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4392794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 4402794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 441a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 442a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 443a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 444a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets the values, per property, being animated between. This function is called internally 445f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa * by the constructors of ValueAnimator that take a list of values. But a ValueAnimator can 446a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * be constructed without values and this method can be called to set the values manually 447a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * instead. 448a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 449a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param values The set of values, per property, being animated between. 450a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 451a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setValues(PropertyValuesHolder... values) { 452a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = values.length; 453a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues = values; 454a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValuesMap = new HashMap<String, PropertyValuesHolder>(numValues); 455a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 45618772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy PropertyValuesHolder valuesHolder = values[i]; 457a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValuesMap.put(valuesHolder.getPropertyName(), valuesHolder); 458a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 4590e0590bf3cb32e73f423c0fe39a180d4b3c4343dChet Haase // New property/values/target should cause re-initialization prior to starting 4600e0590bf3cb32e73f423c0fe39a180d4b3c4343dChet Haase mInitialized = false; 461a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 462a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 463a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 464a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Returns the values that this ValueAnimator animates between. These values are stored in 465a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * PropertyValuesHolder objects, even if the ValueAnimator was created with a simple list 466a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of value objects instead. 467a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 468a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return PropertyValuesHolder[] An array of PropertyValuesHolder objects which hold the 469a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * values, per property, that define the animation. 470a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 471a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public PropertyValuesHolder[] getValues() { 472a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mValues; 473a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 474a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 475a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 476a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This function is called immediately before processing the first animation 477a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frame of an animation. If there is a nonzero <code>startDelay</code>, the 478a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function is called after that delay ends. 479a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * It takes care of the final initialization steps for the 480a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation. 481a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 482a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Overrides of this method should call the superclass method to ensure 483a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * that internal mechanisms for the animation are set up correctly.</p> 484a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 485a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void initAnimation() { 486a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mInitialized) { 487a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = mValues.length; 488a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 489a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[i].init(); 490a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 491a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mInitialized = true; 492a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 493a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 494a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 495a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 496a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 4972794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets the length of the animation. The default duration is 300 milliseconds. 498a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 49927c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * @param duration The length of the animation, in milliseconds. This value cannot 50027c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * be negative. 5012794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return ValueAnimator The object called with setDuration(). This return 5022794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value makes it easier to compose statements together that construct and then set the 5032794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * duration, as in <code>ValueAnimator.ofInt(0, 10).setDuration(500).start()</code>. 504a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 5052794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public ValueAnimator setDuration(long duration) { 50627c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase if (duration < 0) { 50727c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase throw new IllegalArgumentException("Animators cannot have negative duration: " + 50827c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase duration); 50927c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase } 510d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mUnscaledDuration = duration; 511d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mDuration = (long)(duration * sDurationScale); 5122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return this; 513a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 514a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 515a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 5162794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Gets the length of the animation. The default duration is 300 milliseconds. 517a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 518a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The length of the animation, in milliseconds. 519a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 520a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getDuration() { 521d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase return mUnscaledDuration; 522a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 523a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 524a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 525a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets the position of the animation to the specified point in time. This time should 526a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * be between 0 and the total duration of the animation, including any repetition. If 527a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the animation has not yet been started, then it will not advance forward after it is 528a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * set to this time; it will simply set the time to this value and perform any appropriate 529a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * actions based on that time. If the animation is already running, then setCurrentPlayTime() 530a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will set the current playing time to this value and continue playing from that point. 531a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 532a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param playTime The time, in milliseconds, to which the animation is advanced or rewound. 533a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 534a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setCurrentPlayTime(long playTime) { 535a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase initAnimation(); 536a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentTime = AnimationUtils.currentAnimationTimeMillis(); 537a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingState != RUNNING) { 538a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mSeekTime = playTime; 539a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = SEEKED; 540a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 541a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime = currentTime - playTime; 54220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown doAnimationFrame(currentTime); 543a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 544a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 545a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 546a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Gets the current position of the animation in time, which is equal to the current 547a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * time minus the time that the animation started. An animation that is not yet started will 548a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * return a value of zero. 549a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 550a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The current position in time of the animation. 551a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 552a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getCurrentPlayTime() { 553a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mInitialized || mPlayingState == STOPPED) { 554a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return 0; 555a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 556a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return AnimationUtils.currentAnimationTimeMillis() - mStartTime; 557a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 558a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 559a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 560a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This custom, static handler handles the timing pulse that is shared by 561a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * all active animations. This approach ensures that the setting of animation 562a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * values will happen on the UI thread and that all animations will share 563a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the same times for calculating their values, which makes synchronizing 564a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animations possible. 565a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 56620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * The handler uses the Choreographer for executing periodic callbacks. 567be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * 568be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 569a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 57018772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy @SuppressWarnings("unchecked") 571be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected static class AnimationHandler implements Runnable { 5729c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown // The per-thread list of all active animations 573be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** @hide */ 574be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mAnimations = new ArrayList<ValueAnimator>(); 5759c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 5762936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase // Used in doAnimationFrame() to avoid concurrent modifications of mAnimations 5772936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase private final ArrayList<ValueAnimator> mTmpAnimations = new ArrayList<ValueAnimator>(); 5782936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase 5799c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown // The per-thread set of animations to be started on the next animation frame 580be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** @hide */ 581be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mPendingAnimations = new ArrayList<ValueAnimator>(); 5829c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 5839c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown /** 5849c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * Internal per-thread collections used to avoid set collisions as animations start and end 5859c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * while being processed. 586be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 5879c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown */ 588be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mDelayedAnims = new ArrayList<ValueAnimator>(); 5899c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private final ArrayList<ValueAnimator> mEndingAnims = new ArrayList<ValueAnimator>(); 5909c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private final ArrayList<ValueAnimator> mReadyAnims = new ArrayList<ValueAnimator>(); 5919c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 59296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown private final Choreographer mChoreographer; 5934a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown private boolean mAnimationScheduled; 59496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 59596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown private AnimationHandler() { 59696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mChoreographer = Choreographer.getInstance(); 59796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 59896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 599a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 60020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * Start animating on the next frame. 601a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 60220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown public void start() { 60320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown scheduleAnimation(); 60496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 605a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 60620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown private void doAnimationFrame(long frameTime) { 60796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // mPendingAnimations holds any animations that have requested to be started 60896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // We're going to clear mPendingAnimations, but starting animation may 60996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // cause more to be added to the pending list (for example, if one animation 61096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // starting triggers another starting). So we loop until mPendingAnimations 61196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // is empty. 61296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown while (mPendingAnimations.size() > 0) { 61396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ArrayList<ValueAnimator> pendingCopy = 61496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown (ArrayList<ValueAnimator>) mPendingAnimations.clone(); 61596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mPendingAnimations.clear(); 61696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int count = pendingCopy.size(); 61796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < count; ++i) { 61896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = pendingCopy.get(i); 61996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // If the animation has a startDelay, place it on the delayed list 62096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (anim.mStartDelay == 0) { 62196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.startAnimation(this); 62296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } else { 62396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mDelayedAnims.add(anim); 624a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 62596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 62696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 627c6ffab32415a58bbb010dcd115684f9dbc249710Chet Haase // Next, process animations currently sitting on the delayed queue, adding 62896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // them to the active animations if they are ready 62996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numDelayedAnims = mDelayedAnims.size(); 63096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < numDelayedAnims; ++i) { 63196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = mDelayedAnims.get(i); 63220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (anim.delayedAnimationFrame(frameTime)) { 63396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mReadyAnims.add(anim); 63496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 63596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 63696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numReadyAnims = mReadyAnims.size(); 63796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (numReadyAnims > 0) { 63896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < numReadyAnims; ++i) { 63996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = mReadyAnims.get(i); 64096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.startAnimation(this); 64196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.mRunning = true; 64296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mDelayedAnims.remove(anim); 64396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 64496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mReadyAnims.clear(); 64596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 64696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 64796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // Now process all active animations. The return value from animationFrame() 64896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // tells the handler whether it should now be ended 64996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numAnims = mAnimations.size(); 6502936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < numAnims; ++i) { 6512936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase mTmpAnimations.add(mAnimations.get(i)); 6522936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase } 6532936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < numAnims; ++i) { 6542936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase ValueAnimator anim = mTmpAnimations.get(i); 6552936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase if (mAnimations.contains(anim) && anim.doAnimationFrame(frameTime)) { 65696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.add(anim); 65796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 65896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 6592936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase mTmpAnimations.clear(); 66096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (mEndingAnims.size() > 0) { 6612936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < mEndingAnims.size(); ++i) { 66296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.get(i).endAnimation(this); 66396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 66496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.clear(); 66596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 66696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 66796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // If there are still active or delayed animations, schedule a future call to 66896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // onAnimate to process the next frame of the animations. 66920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (!mAnimations.isEmpty() || !mDelayedAnims.isEmpty()) { 67020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown scheduleAnimation(); 671a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 672a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 67396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 6744a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown // Called by the Choreographer. 67596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown @Override 6764a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown public void run() { 6774a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown mAnimationScheduled = false; 67820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown doAnimationFrame(mChoreographer.getFrameTime()); 67920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 68020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown 68120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown private void scheduleAnimation() { 68220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (!mAnimationScheduled) { 68320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mChoreographer.postCallback(Choreographer.CALLBACK_ANIMATION, this, null); 68420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mAnimationScheduled = true; 68520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 68696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 687a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 688a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 689a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 690a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, to delay starting the animation after 691a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link #start()} is called. 692a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 693a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the number of milliseconds to delay running the animation 694a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 695a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getStartDelay() { 696d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase return mUnscaledStartDelay; 697a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 698a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 699a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 700a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, to delay starting the animation after 701a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link #start()} is called. 702a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 703a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param startDelay The amount of the delay, in milliseconds 704a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 705a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setStartDelay(long startDelay) { 706d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase this.mStartDelay = (long)(startDelay * sDurationScale); 707d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mUnscaledStartDelay = startDelay; 708a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 709a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 710a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 711a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, between each frame of the animation. This is a 712a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * requested time that the animation will attempt to honor, but the actual delay between 713a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frames may be different, depending on system load and capabilities. This is a static 714a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function because the same delay will be applied to all animations, since they are all 715a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * run off of a single timing loop. 716a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 71796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * The frame delay may be ignored when the animation system uses an external timing 71896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * source, such as the display refresh rate (vsync), to govern animations. 71996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * 720a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the requested time between frames, in milliseconds 721a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 722a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static long getFrameDelay() { 72396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown return Choreographer.getFrameDelay(); 724a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 725a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 726a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 727a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, between each frame of the animation. This is a 728a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * requested time that the animation will attempt to honor, but the actual delay between 729a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frames may be different, depending on system load and capabilities. This is a static 730a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function because the same delay will be applied to all animations, since they are all 731a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * run off of a single timing loop. 732a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 73396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * The frame delay may be ignored when the animation system uses an external timing 73496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * source, such as the display refresh rate (vsync), to govern animations. 73596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * 736a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param frameDelay the requested time between frames, in milliseconds 737a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 738a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static void setFrameDelay(long frameDelay) { 73996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown Choreographer.setFrameDelay(frameDelay); 740a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 741a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 742a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 743a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The most recent value calculated by this <code>ValueAnimator</code> when there is just one 744a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * property being animated. This value is only sensible while the animation is running. The main 745a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * purpose for this read-only property is to retrieve the value from the <code>ValueAnimator</code> 746a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * during a call to {@link AnimatorUpdateListener#onAnimationUpdate(ValueAnimator)}, which 747a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is called during each animation frame, immediately after the value is calculated. 748a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 749a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return animatedValue The value most recently calculated by this <code>ValueAnimator</code> for 750a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the single property being animated. If there are several properties being animated 751a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * (specified by several PropertyValuesHolder objects in the constructor), this function 752a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * returns the animated value for the first of those objects. 753a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 754a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Object getAnimatedValue() { 755a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mValues != null && mValues.length > 0) { 756a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mValues[0].getAnimatedValue(); 757a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 758a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Shouldn't get here; should always have values unless ValueAnimator was set up wrong 759a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return null; 760a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 761a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 762a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 763a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The most recent value calculated by this <code>ValueAnimator</code> for <code>propertyName</code>. 764a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The main purpose for this read-only property is to retrieve the value from the 765a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>ValueAnimator</code> during a call to 766a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorUpdateListener#onAnimationUpdate(ValueAnimator)}, which 767a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is called during each animation frame, immediately after the value is calculated. 768a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 769a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return animatedValue The value most recently calculated for the named property 770a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * by this <code>ValueAnimator</code>. 771a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 772a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Object getAnimatedValue(String propertyName) { 773a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder valuesHolder = mValuesMap.get(propertyName); 774a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (valuesHolder != null) { 775a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return valuesHolder.getAnimatedValue(); 776a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 777a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // At least avoid crashing if called with bogus propertyName 778a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return null; 779a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 780a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 781a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 782a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 783a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets how many times the animation should be repeated. If the repeat 784a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * count is 0, the animation is never repeated. If the repeat count is 785a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * greater than 0 or {@link #INFINITE}, the repeat mode will be taken 786a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * into account. The repeat count is 0 by default. 787a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 788a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value the number of times the animation should be repeated 789a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 790a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setRepeatCount(int value) { 791a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mRepeatCount = value; 792a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 793a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 794a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines how many times the animation should repeat. The default value 795a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is 0. 796a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 797a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the number of times the animation should repeat, or {@link #INFINITE} 798a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 799a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public int getRepeatCount() { 800a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mRepeatCount; 801a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 802a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 803a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 804a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines what this animation should do when it reaches the end. This 805a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * setting is applied only when the repeat count is either greater than 806a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 0 or {@link #INFINITE}. Defaults to {@link #RESTART}. 807a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 808a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value {@link #RESTART} or {@link #REVERSE} 809a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 810a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setRepeatMode(int value) { 811a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mRepeatMode = value; 812a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 813a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 814a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 815a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines what this animation should do when it reaches the end. 816a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 817a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return either one of {@link #REVERSE} or {@link #RESTART} 818a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 819a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public int getRepeatMode() { 820a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mRepeatMode; 821a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 822a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 823a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 824a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Adds a listener to the set of listeners that are sent update events through the life of 825a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * an animation. This method is called on all listeners for every frame of the animation, 826a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * after the values for the animation have been calculated. 827a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 828a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param listener the listener to be added to the current set of listeners for this animation. 829a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 830a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void addUpdateListener(AnimatorUpdateListener listener) { 831a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners == null) { 832a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners = new ArrayList<AnimatorUpdateListener>(); 833a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 834a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.add(listener); 835a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 836a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 837a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 8383060421045d4d9e411797f91bb509824b03e33fbJim Miller * Removes all listeners from the set listening to frame updates for this animation. 8393060421045d4d9e411797f91bb509824b03e33fbJim Miller */ 8403060421045d4d9e411797f91bb509824b03e33fbJim Miller public void removeAllUpdateListeners() { 8413060421045d4d9e411797f91bb509824b03e33fbJim Miller if (mUpdateListeners == null) { 8423060421045d4d9e411797f91bb509824b03e33fbJim Miller return; 8433060421045d4d9e411797f91bb509824b03e33fbJim Miller } 8443060421045d4d9e411797f91bb509824b03e33fbJim Miller mUpdateListeners.clear(); 8453060421045d4d9e411797f91bb509824b03e33fbJim Miller mUpdateListeners = null; 8463060421045d4d9e411797f91bb509824b03e33fbJim Miller } 8473060421045d4d9e411797f91bb509824b03e33fbJim Miller 8483060421045d4d9e411797f91bb509824b03e33fbJim Miller /** 849a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Removes a listener from the set listening to frame updates for this animation. 850a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 851a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param listener the listener to be removed from the current set of update listeners 852a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * for this animation. 853a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 854a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void removeUpdateListener(AnimatorUpdateListener listener) { 855a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners == null) { 856a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return; 857a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 858a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.remove(listener); 859a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners.size() == 0) { 860a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners = null; 861a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 862a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 863a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 864a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 865a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 866a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The time interpolator used in calculating the elapsed fraction of this animation. The 867a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * interpolator determines whether the animation runs with linear or non-linear motion, 868a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * such as acceleration and deceleration. The default value is 869a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link android.view.animation.AccelerateDecelerateInterpolator} 870a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 87127c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * @param value the interpolator to be used by this animation. A value of <code>null</code> 87227c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * will result in linear interpolation. 873a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 874a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 875e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase public void setInterpolator(TimeInterpolator value) { 876a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (value != null) { 877a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mInterpolator = value; 87827c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase } else { 87927c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase mInterpolator = new LinearInterpolator(); 880a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 881a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 882a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 883a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 884a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Returns the timing interpolator that this ValueAnimator uses. 885a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 886a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The timing interpolator for this ValueAnimator. 887a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 888430742f09063574271e6c4091de13b9b9e762514Chet Haase @Override 889e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase public TimeInterpolator getInterpolator() { 890a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mInterpolator; 891a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 892a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 893a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 894a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The type evaluator to be used when calculating the animated values of this animation. 895b2ab04ffb6894f399d5c9ceb15f64eb17b654426Chet Haase * The system will automatically assign a float or int evaluator based on the type 896a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of <code>startValue</code> and <code>endValue</code> in the constructor. But if these values 897a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * are not one of these primitive types, or if different evaluation is desired (such as is 898a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * necessary with int values that represent colors), a custom evaluator needs to be assigned. 89953ee3316bcb3590ff156b3fd7108903c0817c35dChet Haase * For example, when running an animation on color values, the {@link ArgbEvaluator} 900a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be used to get correct RGB color interpolation. 901a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 902a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>If this ValueAnimator has only one set of values being animated between, this evaluator 903a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will be used for that set. If there are several sets of values being animated, which is 904fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase * the case if PropertyValuesHolder objects were set on the ValueAnimator, then the evaluator 905a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is assigned just to the first PropertyValuesHolder object.</p> 906a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 907a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value the evaluator to be used this animation 908a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 909a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setEvaluator(TypeEvaluator value) { 910a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (value != null && mValues != null && mValues.length > 0) { 911a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[0].setEvaluator(value); 912a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 913a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 914a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 91517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase private void notifyStartListeners() { 91617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (mListeners != null && !mStartListenersCalled) { 91717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase ArrayList<AnimatorListener> tmpListeners = 91817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 91917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase int numListeners = tmpListeners.size(); 92017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase for (int i = 0; i < numListeners; ++i) { 92117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase tmpListeners.get(i).onAnimationStart(this); 92217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 92317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 92417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStartListenersCalled = true; 92517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 92617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase 927a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 928a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Start the animation playing. This version of start() takes a boolean flag that indicates 929a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * whether the animation should play in reverse. The flag is usually false, but may be set 9302970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * to true if called from the reverse() method. 9312970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * 9322970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * <p>The animation started by calling this method will be run on the thread that called 9332970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * this method. This thread should have a Looper on it (a runtime exception will be thrown if 9342970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * this is not the case). Also, if the animation will animate 9352970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * properties of objects in the view hierarchy, then the calling thread should be the UI 9362970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * thread for that view hierarchy.</p> 937a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 938a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param playBackwards Whether the ValueAnimator should start playing in reverse. 939a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 940a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private void start(boolean playBackwards) { 9412970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase if (Looper.myLooper() == null) { 9422970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase throw new AndroidRuntimeException("Animators may only be run on Looper threads"); 9433060421045d4d9e411797f91bb509824b03e33fbJim Miller } 9442970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase mPlayingBackwards = playBackwards; 945add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mCurrentIteration = 0; 946add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mPlayingState = STOPPED; 9478b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mStarted = true; 948add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mStartedDelay = false; 9498aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPaused = false; 9509c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler animationHandler = getOrCreateAnimationHandler(); 9519c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown animationHandler.mPendingAnimations.add(this); 9522970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase if (mStartDelay == 0) { 953add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase // This sets the initial value of the animation, prior to actually starting it running 95459bbef0cd781f4933fd8a0a85b6067f36e529e02Jeff Brown setCurrentPlayTime(0); 955154f14508a11627d5a995b6fe2a14a83d794a6feChet Haase mPlayingState = STOPPED; 9568b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mRunning = true; 95717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 958a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 95920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown animationHandler.start(); 960a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 961a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 962a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 963a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void start() { 964a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase start(false); 965a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 966a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 967a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 968a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void cancel() { 9692970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase // Only cancel if the animation is actually running or has been started and is about 9702970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase // to run 9719c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = getOrCreateAnimationHandler(); 9729c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (mPlayingState != STOPPED 9739c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown || handler.mPendingAnimations.contains(this) 9749c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown || handler.mDelayedAnims.contains(this)) { 975b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase // Only notify listeners if the animator has actually started 97617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if ((mStarted || mRunning) && mListeners != null) { 97717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (!mRunning) { 97817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase // If it's not yet running, then start listeners weren't called. Call them now. 97917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 98017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 9817dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase ArrayList<AnimatorListener> tmpListeners = 9827dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 9837dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (AnimatorListener listener : tmpListeners) { 9847dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase listener.onAnimationCancel(this); 9857dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 9867dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 9879c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown endAnimation(handler); 9882970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase } 989a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 990a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 991a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 992a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void end() { 9939c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = getOrCreateAnimationHandler(); 9949c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (!handler.mAnimations.contains(this) && !handler.mPendingAnimations.contains(this)) { 995a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Special case if the animation has not yet started; get it ready for ending 996a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartedDelay = false; 9979c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown startAnimation(handler); 99817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStarted = true; 999add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase } else if (!mInitialized) { 1000add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase initAnimation(); 1001e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 10024dd176864310e1d9519bf6b88918913e9927984fChet Haase animateValue(mPlayingBackwards ? 0f : 1f); 10039c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown endAnimation(handler); 1004a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1005a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1006a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 10078aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void resume() { 10088aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 10098aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = true; 10108aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10118aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.resume(); 10128aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10138aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 10148aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 10158aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void pause() { 10168aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase boolean previouslyPaused = mPaused; 10178aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.pause(); 10188aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (!previouslyPaused && mPaused) { 10198aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = -1; 10208aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 10218aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10228aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10238aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 10248aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 1025a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public boolean isRunning() { 10268b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return (mPlayingState == RUNNING || mRunning); 10278b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase } 10288b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase 10298b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase @Override 10308b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase public boolean isStarted() { 10318b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return mStarted; 1032a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1033a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1034a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1035a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Plays the ValueAnimator in reverse. If the animation is already running, 1036a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * it will stop itself and play backwards from the point reached when reverse was called. 1037a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * If the animation is not currently running, then it will start from the end and 1038a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * play backwards. This behavior is only set for the current animation; future playing 1039a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of the animation will use the default behavior of playing forward. 1040a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1041a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void reverse() { 1042a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingBackwards = !mPlayingBackwards; 1043a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingState == RUNNING) { 1044a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentTime = AnimationUtils.currentAnimationTimeMillis(); 1045a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentPlayTime = currentTime - mStartTime; 1046a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long timeLeft = mDuration - currentPlayTime; 1047a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime = currentTime - timeLeft; 1048f43fb2a57f152b5760d8792fec26f36d46b23817Chet Haase } else if (mStarted) { 1049f43fb2a57f152b5760d8792fec26f36d46b23817Chet Haase end(); 1050a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 1051a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase start(true); 1052a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1053a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1054a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1055a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1056a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Called internally to end an animation by removing it from the animations list. Must be 1057a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * called on the UI thread. 1058a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 10599c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private void endAnimation(AnimationHandler handler) { 10609c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.remove(this); 10619c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mPendingAnimations.remove(this); 10629c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mDelayedAnims.remove(this); 1063a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = STOPPED; 10648aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPaused = false; 106517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if ((mStarted || mRunning) && mListeners != null) { 106617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (!mRunning) { 106717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase // If it's not yet running, then start listeners weren't called. Call them now. 106817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 106917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 1070a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ArrayList<AnimatorListener> tmpListeners = 1071a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 10727c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numListeners = tmpListeners.size(); 10737c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numListeners; ++i) { 10747c608f25d494c8a0a671e7373efbb47ca635367eChet Haase tmpListeners.get(i).onAnimationEnd(this); 1075a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1076a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 10778b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mRunning = false; 1078b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase mStarted = false; 107917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStartListenersCalled = false; 1080caf46486f54cdc899e383dfc776ec33a81b089a1Chet Haase mPlayingBackwards = false; 10819b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) { 10829b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase Trace.asyncTraceEnd(Trace.TRACE_TAG_VIEW, getNameForTrace(), 10839b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase System.identityHashCode(this)); 10849b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase } 1085a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1086a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1087a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1088a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Called internally to start an animation by adding it to the active animations list. Must be 1089a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * called on the UI thread. 1090a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 10919c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private void startAnimation(AnimationHandler handler) { 10929b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) { 10939b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase Trace.asyncTraceBegin(Trace.TRACE_TAG_VIEW, getNameForTrace(), 10949b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase System.identityHashCode(this)); 10959b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase } 1096a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase initAnimation(); 10979c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.add(this); 1098b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase if (mStartDelay > 0 && mListeners != null) { 1099b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase // Listeners were already notified in start() if startDelay is 0; this is 1100b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase // just for delayed animations 110117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 1102a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1103a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1104a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1105a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1106fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase * Returns the name of this animator for debugging purposes. 1107fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase */ 1108fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase String getNameForTrace() { 1109fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase return "animator"; 1110fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase } 1111fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase 1112fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase 1113fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase /** 1114a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Internal function called to process an animation frame on an animation that is currently 1115a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * sleeping through its <code>startDelay</code> phase. The return value indicates whether it 1116a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be woken up and put on the active animations queue. 1117a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1118a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param currentTime The current animation time, used to calculate whether the animation 1119a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * has exceeded its <code>startDelay</code> and should be started. 1120a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return True if the animation's <code>startDelay</code> has been exceeded and the animation 1121a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be added to the set of active animations. 1122a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1123a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean delayedAnimationFrame(long currentTime) { 1124a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mStartedDelay) { 1125a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartedDelay = true; 1126a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mDelayStartTime = currentTime; 1127a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 11288aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 11298aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime < 0) { 11308aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = currentTime; 11318aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 11328aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase return false; 11338aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } else if (mResumed) { 11348aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 11358aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime > 0) { 11368aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase // Offset by the duration that the animation was paused 11378aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mDelayStartTime += (currentTime - mPauseTime); 11388aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 11398aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 1140a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long deltaTime = currentTime - mDelayStartTime; 1141a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (deltaTime > mStartDelay) { 1142a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // startDelay ended - start the anim and record the 1143a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // mStartTime appropriately 1144a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime = currentTime - (deltaTime - mStartDelay); 1145a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = RUNNING; 1146a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return true; 1147a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1148a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1149a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return false; 1150a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1151a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1152a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1153a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This internal function processes a single animation frame for a given animation. The 1154a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * currentTime parameter is the timing pulse sent by the handler, used to calculate the 1155a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * elapsed duration, and therefore 1156a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the elapsed fraction, of the animation. The return value indicates whether the animation 1157a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be ended (which happens when the elapsed time of the animation exceeds the 1158a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation's duration, including the repeatCount). 1159a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1160a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param currentTime The current time, as tracked by the static timing handler 1161a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return true if the animation's duration, including any repetitions due to 11628aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * <code>repeatCount</code>, has been exceeded and the animation should be ended. 1163a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1164051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase boolean animationFrame(long currentTime) { 1165a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase boolean done = false; 1166a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase switch (mPlayingState) { 1167a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase case RUNNING: 1168a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase case SEEKED: 116970d4ba15b1f0c1133c5aabc86de828b41e482fffChet Haase float fraction = mDuration > 0 ? (float)(currentTime - mStartTime) / mDuration : 1f; 1170a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (fraction >= 1f) { 1171a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mCurrentIteration < mRepeatCount || mRepeatCount == INFINITE) { 1172a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Time to repeat 1173a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mListeners != null) { 11747c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numListeners = mListeners.size(); 11757c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numListeners; ++i) { 11767c608f25d494c8a0a671e7373efbb47ca635367eChet Haase mListeners.get(i).onAnimationRepeat(this); 1177a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1178a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1179a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mRepeatMode == REVERSE) { 118018772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy mPlayingBackwards = !mPlayingBackwards; 1181a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1182730666858692ea396f5ad779654b5d86ff90b6caChet Haase mCurrentIteration += (int)fraction; 1183730666858692ea396f5ad779654b5d86ff90b6caChet Haase fraction = fraction % 1f; 1184a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime += mDuration; 1185a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 1186a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase done = true; 1187a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = Math.min(fraction, 1.0f); 1188a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1189a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1190a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingBackwards) { 1191a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = 1f - fraction; 1192a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1193a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase animateValue(fraction); 1194a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase break; 1195a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1196a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1197a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return done; 1198a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1199a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1200a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 120120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * Processes a frame of the animation, adjusting the start time if needed. 120220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * 120320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * @param frameTime The frame time. 120420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * @return true if the animation has ended. 120520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown */ 120620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown final boolean doAnimationFrame(long frameTime) { 120720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (mPlayingState == STOPPED) { 120820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mPlayingState = RUNNING; 120920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (mSeekTime < 0) { 121020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mStartTime = frameTime; 121120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } else { 121220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mStartTime = frameTime - mSeekTime; 121320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // Now that we're playing, reset the seek time 121420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mSeekTime = -1; 121520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 121620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 12178aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 12188aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime < 0) { 12198aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = frameTime; 12208aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 12218aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase return false; 12228aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } else if (mResumed) { 12238aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 12248aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime > 0) { 12258aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase // Offset by the duration that the animation was paused 12268aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mStartTime += (frameTime - mPauseTime); 12278aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 12288aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 122920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // The frame time might be before the start time during the first frame of 123020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // an animation. The "current time" must always be on or after the start 123120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // time to avoid animating frames at negative time intervals. In practice, this 123220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // is very rare and only happens when seeking backwards. 123320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown final long currentTime = Math.max(frameTime, mStartTime); 123420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown return animationFrame(currentTime); 123520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 123620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown 123720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown /** 1238a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * Returns the current animation fraction, which is the elapsed/interpolated fraction used in 1239a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * the most recent frame update on the animation. 1240a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * 1241a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * @return Elapsed/interpolated fraction of the animation. 1242a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase */ 1243a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase public float getAnimatedFraction() { 1244a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase return mCurrentFraction; 1245a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase } 1246a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase 1247a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase /** 1248a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This method is called with the elapsed fraction of the animation during every 1249a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation frame. This function turns the elapsed fraction into an interpolated fraction 1250a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * and then into an animated value (from the evaluator. The function is called mostly during 1251a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation updates, but it is also called when the <code>end()</code> 1252a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function is called, to set the final value on the property. 1253a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1254a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Overrides of this method must call the superclass to perform the calculation 1255a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of the animated value.</p> 1256a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1257a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param fraction The elapsed fraction of the animation. 1258a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1259a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void animateValue(float fraction) { 1260a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = mInterpolator.getInterpolation(fraction); 1261a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase mCurrentFraction = fraction; 1262a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = mValues.length; 1263a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 1264a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[i].calculateValue(fraction); 1265a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1266a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners != null) { 1267a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numListeners = mUpdateListeners.size(); 1268a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numListeners; ++i) { 1269a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.get(i).onAnimationUpdate(this); 1270a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1271a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1272a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1273a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1274a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1275a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public ValueAnimator clone() { 1276a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase final ValueAnimator anim = (ValueAnimator) super.clone(); 1277a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners != null) { 1278a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ArrayList<AnimatorUpdateListener> oldListeners = mUpdateListeners; 1279a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mUpdateListeners = new ArrayList<AnimatorUpdateListener>(); 1280a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numListeners = oldListeners.size(); 1281a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numListeners; ++i) { 1282a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mUpdateListeners.add(oldListeners.get(i)); 1283a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1284a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1285a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mSeekTime = -1; 1286a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mPlayingBackwards = false; 1287a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mCurrentIteration = 0; 1288a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mInitialized = false; 1289a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mPlayingState = STOPPED; 1290a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mStartedDelay = false; 1291a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder[] oldValues = mValues; 1292a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (oldValues != null) { 1293a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = oldValues.length; 1294a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mValues = new PropertyValuesHolder[numValues]; 1295a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mValuesMap = new HashMap<String, PropertyValuesHolder>(numValues); 1296a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 1297d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase PropertyValuesHolder newValuesHolder = oldValues[i].clone(); 1298d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase anim.mValues[i] = newValuesHolder; 1299d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase anim.mValuesMap.put(newValuesHolder.getPropertyName(), newValuesHolder); 1300a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1301a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1302a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return anim; 1303a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1304a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1305a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1306a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Implementors of this interface can add themselves as update listeners 1307a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to an <code>ValueAnimator</code> instance to receive callbacks on every animation 1308a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frame, after the current frame's values have been calculated for that 1309a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>ValueAnimator</code>. 1310a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1311a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static interface AnimatorUpdateListener { 1312a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1313a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Notifies the occurrence of another frame of the animation.</p> 1314a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1315a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param animation The animation which was repeated. 1316a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1317a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void onAnimationUpdate(ValueAnimator animation); 1318a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1319a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1320599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick 1321599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick /** 1322599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * Return the number of animations currently running. 1323599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * 13249c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * Used by StrictMode internally to annotate violations. 13259c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * May be called on arbitrary threads! 1326599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * 1327599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * @hide 1328599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick */ 1329599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick public static int getCurrentAnimationsCount() { 13309c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 13319c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown return handler != null ? handler.mAnimations.size() : 0; 1332599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick } 13338901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy 13348901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy /** 13358901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * Clear all animations on this thread, without canceling or ending them. 13368901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * This should be used with caution. 13378901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * 13388901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * @hide 13398901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy */ 13408901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy public static void clearAllAnimations() { 13419c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 13429c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (handler != null) { 13439c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.clear(); 13449c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mPendingAnimations.clear(); 13459c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mDelayedAnims.clear(); 13469c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 13479c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 13489c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 134918772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy private static AnimationHandler getOrCreateAnimationHandler() { 13509c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 13519c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (handler == null) { 13529c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler = new AnimationHandler(); 13539c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown sAnimationHandler.set(handler); 13549c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 13559c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown return handler; 13568901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy } 1357e9140a72b1059574046a624b471b2c3a35806496Chet Haase 1358e9140a72b1059574046a624b471b2c3a35806496Chet Haase @Override 1359e9140a72b1059574046a624b471b2c3a35806496Chet Haase public String toString() { 1360e9140a72b1059574046a624b471b2c3a35806496Chet Haase String returnVal = "ValueAnimator@" + Integer.toHexString(hashCode()); 1361e9140a72b1059574046a624b471b2c3a35806496Chet Haase if (mValues != null) { 1362e9140a72b1059574046a624b471b2c3a35806496Chet Haase for (int i = 0; i < mValues.length; ++i) { 1363e9140a72b1059574046a624b471b2c3a35806496Chet Haase returnVal += "\n " + mValues[i].toString(); 1364e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1365e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1366e9140a72b1059574046a624b471b2c3a35806496Chet Haase return returnVal; 1367e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1368599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick} 1369