ValueAnimator.java revision f43fb2a57f152b5760d8792fec26f36d46b23817
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 /** 2832794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between float values. A single 2842794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 2852794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 2862794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 2872794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 2882794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 2892794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 2902794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 2912794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 2922794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 2932794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofFloat(float... values) { 2942794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 2952794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setFloatValues(values); 2962794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 2972794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 2982794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 2992794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3002794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between the values 3012794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * specified in the PropertyValuesHolder objects. 3022794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3032794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of PropertyValuesHolder objects whose values will be animated 3042794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * between over time. 3052794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3062794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3072794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofPropertyValuesHolder(PropertyValuesHolder... values) { 3082794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3092794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setValues(values); 3102794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3112794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between Object values. A single 3142794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3152794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3162794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3172794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3182794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3192794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3202794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>Since ValueAnimator does not know how to animate between arbitrary Objects, this 3212794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * factory method also takes a TypeEvaluator object that the ValueAnimator will use 3222794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * to perform that interpolation. 3232794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3242794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param evaluator A TypeEvaluator that will be called on each animation frame to 3252794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * provide the ncessry interpolation between the Object values to derive the animated 3262794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value. 3272794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3282794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3292794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3302794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofObject(TypeEvaluator evaluator, Object... values) { 3312794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3322794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setObjectValues(values); 3332794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setEvaluator(evaluator); 3342794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3352794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3362794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3372794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3382794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets int values that will be animated between. A single 3392794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3402794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3412794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3422794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3432794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3442794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3452794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 3462794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 3472794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 3482794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3492794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3502794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3512794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setIntValues(int... values) { 3522794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 3532794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 3542794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3552794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 35618772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofInt("", values)); 3572794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 3582794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 3592794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setIntValues(values); 3602794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3612794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 3622794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 3632794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3642794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3652794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3662794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets float values that will be animated between. A single 3672794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3682794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3692794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3702794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3712794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3722794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3732794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 3742794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 3752794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 3762794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3772794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3782794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3792794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setFloatValues(float... values) { 3802794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 3812794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 38241f041d9986f8a5d45b6cb0b86e881c81a412168Chet Haase } 3832794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 38418772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofFloat("", values)); 3852794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 3862794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 3872794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setFloatValues(values); 3882794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3892794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 3902794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 3912794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3922794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3932794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3942794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets the values to animate between for this animation. A single 3952794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3962794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3972794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3982794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3992794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 4002794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4012794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 4022794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 4032794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 4042794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4052794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>There should be a TypeEvaluator set on the ValueAnimator that knows how to interpolate 4062794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * between these value objects. ValueAnimator only knows how to interpolate between the 4072794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * primitive types specified in the other setValues() methods.</p> 4082794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4092794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values The set of values to animate between. 4102794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 4112794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setObjectValues(Object... values) { 4122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 4132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 4142794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4152794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 41618772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofObject("", null, values)); 4172794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 4182794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 4192794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setObjectValues(values); 4202794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4212794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 4222794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 423a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 424a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 425a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 426a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets the values, per property, being animated between. This function is called internally 427f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa * by the constructors of ValueAnimator that take a list of values. But a ValueAnimator can 428a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * be constructed without values and this method can be called to set the values manually 429a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * instead. 430a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 431a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param values The set of values, per property, being animated between. 432a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 433a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setValues(PropertyValuesHolder... values) { 434a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = values.length; 435a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues = values; 436a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValuesMap = new HashMap<String, PropertyValuesHolder>(numValues); 437a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 43818772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy PropertyValuesHolder valuesHolder = values[i]; 439a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValuesMap.put(valuesHolder.getPropertyName(), valuesHolder); 440a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 4410e0590bf3cb32e73f423c0fe39a180d4b3c4343dChet Haase // New property/values/target should cause re-initialization prior to starting 4420e0590bf3cb32e73f423c0fe39a180d4b3c4343dChet Haase mInitialized = false; 443a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 444a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 445a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 446a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Returns the values that this ValueAnimator animates between. These values are stored in 447a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * PropertyValuesHolder objects, even if the ValueAnimator was created with a simple list 448a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of value objects instead. 449a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 450a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return PropertyValuesHolder[] An array of PropertyValuesHolder objects which hold the 451a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * values, per property, that define the animation. 452a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 453a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public PropertyValuesHolder[] getValues() { 454a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mValues; 455a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 456a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 457a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 458a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This function is called immediately before processing the first animation 459a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frame of an animation. If there is a nonzero <code>startDelay</code>, the 460a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function is called after that delay ends. 461a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * It takes care of the final initialization steps for the 462a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation. 463a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 464a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Overrides of this method should call the superclass method to ensure 465a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * that internal mechanisms for the animation are set up correctly.</p> 466a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 467a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void initAnimation() { 468a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mInitialized) { 469a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = mValues.length; 470a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 471a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[i].init(); 472a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 473a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mInitialized = true; 474a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 475a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 476a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 477a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 478a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 4792794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets the length of the animation. The default duration is 300 milliseconds. 480a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 48127c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * @param duration The length of the animation, in milliseconds. This value cannot 48227c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * be negative. 4832794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return ValueAnimator The object called with setDuration(). This return 4842794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value makes it easier to compose statements together that construct and then set the 4852794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * duration, as in <code>ValueAnimator.ofInt(0, 10).setDuration(500).start()</code>. 486a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 4872794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public ValueAnimator setDuration(long duration) { 48827c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase if (duration < 0) { 48927c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase throw new IllegalArgumentException("Animators cannot have negative duration: " + 49027c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase duration); 49127c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase } 492d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mUnscaledDuration = duration; 493d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mDuration = (long)(duration * sDurationScale); 4942794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return this; 495a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 496a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 497a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 4982794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Gets the length of the animation. The default duration is 300 milliseconds. 499a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 500a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The length of the animation, in milliseconds. 501a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 502a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getDuration() { 503d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase return mUnscaledDuration; 504a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 505a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 506a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 507a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets the position of the animation to the specified point in time. This time should 508a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * be between 0 and the total duration of the animation, including any repetition. If 509a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the animation has not yet been started, then it will not advance forward after it is 510a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * set to this time; it will simply set the time to this value and perform any appropriate 511a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * actions based on that time. If the animation is already running, then setCurrentPlayTime() 512a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will set the current playing time to this value and continue playing from that point. 513a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 514a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param playTime The time, in milliseconds, to which the animation is advanced or rewound. 515a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 516a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setCurrentPlayTime(long playTime) { 517a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase initAnimation(); 518a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentTime = AnimationUtils.currentAnimationTimeMillis(); 519a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingState != RUNNING) { 520a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mSeekTime = playTime; 521a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = SEEKED; 522a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 523a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime = currentTime - playTime; 52420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown doAnimationFrame(currentTime); 525a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 526a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 527a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 528a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Gets the current position of the animation in time, which is equal to the current 529a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * time minus the time that the animation started. An animation that is not yet started will 530a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * return a value of zero. 531a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 532a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The current position in time of the animation. 533a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 534a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getCurrentPlayTime() { 535a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mInitialized || mPlayingState == STOPPED) { 536a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return 0; 537a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 538a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return AnimationUtils.currentAnimationTimeMillis() - mStartTime; 539a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 540a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 541a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 542a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This custom, static handler handles the timing pulse that is shared by 543a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * all active animations. This approach ensures that the setting of animation 544a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * values will happen on the UI thread and that all animations will share 545a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the same times for calculating their values, which makes synchronizing 546a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animations possible. 547a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 54820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * The handler uses the Choreographer for executing periodic callbacks. 549be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * 550be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 551a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 55218772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy @SuppressWarnings("unchecked") 553be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected static class AnimationHandler implements Runnable { 5549c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown // The per-thread list of all active animations 555be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** @hide */ 556be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mAnimations = new ArrayList<ValueAnimator>(); 5579c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 5582936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase // Used in doAnimationFrame() to avoid concurrent modifications of mAnimations 5592936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase private final ArrayList<ValueAnimator> mTmpAnimations = new ArrayList<ValueAnimator>(); 5602936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase 5619c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown // The per-thread set of animations to be started on the next animation frame 562be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** @hide */ 563be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mPendingAnimations = new ArrayList<ValueAnimator>(); 5649c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 5659c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown /** 5669c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * Internal per-thread collections used to avoid set collisions as animations start and end 5679c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * while being processed. 568be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 5699c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown */ 570be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mDelayedAnims = new ArrayList<ValueAnimator>(); 5719c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private final ArrayList<ValueAnimator> mEndingAnims = new ArrayList<ValueAnimator>(); 5729c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private final ArrayList<ValueAnimator> mReadyAnims = new ArrayList<ValueAnimator>(); 5739c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 57496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown private final Choreographer mChoreographer; 5754a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown private boolean mAnimationScheduled; 57696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 57796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown private AnimationHandler() { 57896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mChoreographer = Choreographer.getInstance(); 57996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 58096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 581a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 58220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * Start animating on the next frame. 583a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 58420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown public void start() { 58520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown scheduleAnimation(); 58696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 587a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 58820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown private void doAnimationFrame(long frameTime) { 58996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // mPendingAnimations holds any animations that have requested to be started 59096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // We're going to clear mPendingAnimations, but starting animation may 59196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // cause more to be added to the pending list (for example, if one animation 59296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // starting triggers another starting). So we loop until mPendingAnimations 59396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // is empty. 59496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown while (mPendingAnimations.size() > 0) { 59596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ArrayList<ValueAnimator> pendingCopy = 59696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown (ArrayList<ValueAnimator>) mPendingAnimations.clone(); 59796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mPendingAnimations.clear(); 59896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int count = pendingCopy.size(); 59996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < count; ++i) { 60096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = pendingCopy.get(i); 60196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // If the animation has a startDelay, place it on the delayed list 60296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (anim.mStartDelay == 0) { 60396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.startAnimation(this); 60496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } else { 60596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mDelayedAnims.add(anim); 606a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 60796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 60896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 609c6ffab32415a58bbb010dcd115684f9dbc249710Chet Haase // Next, process animations currently sitting on the delayed queue, adding 61096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // them to the active animations if they are ready 61196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numDelayedAnims = mDelayedAnims.size(); 61296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < numDelayedAnims; ++i) { 61396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = mDelayedAnims.get(i); 61420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (anim.delayedAnimationFrame(frameTime)) { 61596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mReadyAnims.add(anim); 61696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 61796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 61896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numReadyAnims = mReadyAnims.size(); 61996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (numReadyAnims > 0) { 62096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < numReadyAnims; ++i) { 62196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = mReadyAnims.get(i); 62296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.startAnimation(this); 62396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.mRunning = true; 62496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mDelayedAnims.remove(anim); 62596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 62696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mReadyAnims.clear(); 62796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 62896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 62996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // Now process all active animations. The return value from animationFrame() 63096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // tells the handler whether it should now be ended 63196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numAnims = mAnimations.size(); 6322936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < numAnims; ++i) { 6332936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase mTmpAnimations.add(mAnimations.get(i)); 6342936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase } 6352936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < numAnims; ++i) { 6362936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase ValueAnimator anim = mTmpAnimations.get(i); 6372936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase if (mAnimations.contains(anim) && anim.doAnimationFrame(frameTime)) { 63896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.add(anim); 63996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 64096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 6412936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase mTmpAnimations.clear(); 64296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (mEndingAnims.size() > 0) { 6432936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < mEndingAnims.size(); ++i) { 64496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.get(i).endAnimation(this); 64596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 64696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.clear(); 64796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 64896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 64996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // If there are still active or delayed animations, schedule a future call to 65096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // onAnimate to process the next frame of the animations. 65120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (!mAnimations.isEmpty() || !mDelayedAnims.isEmpty()) { 65220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown scheduleAnimation(); 653a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 654a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 65596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 6564a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown // Called by the Choreographer. 65796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown @Override 6584a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown public void run() { 6594a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown mAnimationScheduled = false; 66020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown doAnimationFrame(mChoreographer.getFrameTime()); 66120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 66220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown 66320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown private void scheduleAnimation() { 66420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (!mAnimationScheduled) { 66520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mChoreographer.postCallback(Choreographer.CALLBACK_ANIMATION, this, null); 66620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mAnimationScheduled = true; 66720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 66896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 669a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 670a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 671a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 672a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, to delay starting the animation after 673a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link #start()} is called. 674a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 675a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the number of milliseconds to delay running the animation 676a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 677a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getStartDelay() { 678d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase return mUnscaledStartDelay; 679a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 680a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 681a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 682a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, to delay starting the animation after 683a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link #start()} is called. 684a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 685a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param startDelay The amount of the delay, in milliseconds 686a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 687a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setStartDelay(long startDelay) { 688d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase this.mStartDelay = (long)(startDelay * sDurationScale); 689d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mUnscaledStartDelay = startDelay; 690a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 691a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 692a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 693a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, between each frame of the animation. This is a 694a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * requested time that the animation will attempt to honor, but the actual delay between 695a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frames may be different, depending on system load and capabilities. This is a static 696a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function because the same delay will be applied to all animations, since they are all 697a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * run off of a single timing loop. 698a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 69996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * The frame delay may be ignored when the animation system uses an external timing 70096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * source, such as the display refresh rate (vsync), to govern animations. 70196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * 702a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the requested time between frames, in milliseconds 703a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 704a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static long getFrameDelay() { 70596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown return Choreographer.getFrameDelay(); 706a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 707a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 708a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 709a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, between each frame of the animation. This is a 710a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * requested time that the animation will attempt to honor, but the actual delay between 711a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frames may be different, depending on system load and capabilities. This is a static 712a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function because the same delay will be applied to all animations, since they are all 713a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * run off of a single timing loop. 714a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 71596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * The frame delay may be ignored when the animation system uses an external timing 71696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * source, such as the display refresh rate (vsync), to govern animations. 71796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * 718a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param frameDelay the requested time between frames, in milliseconds 719a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 720a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static void setFrameDelay(long frameDelay) { 72196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown Choreographer.setFrameDelay(frameDelay); 722a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 723a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 724a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 725a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The most recent value calculated by this <code>ValueAnimator</code> when there is just one 726a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * property being animated. This value is only sensible while the animation is running. The main 727a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * purpose for this read-only property is to retrieve the value from the <code>ValueAnimator</code> 728a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * during a call to {@link AnimatorUpdateListener#onAnimationUpdate(ValueAnimator)}, which 729a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is called during each animation frame, immediately after the value is calculated. 730a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 731a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return animatedValue The value most recently calculated by this <code>ValueAnimator</code> for 732a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the single property being animated. If there are several properties being animated 733a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * (specified by several PropertyValuesHolder objects in the constructor), this function 734a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * returns the animated value for the first of those objects. 735a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 736a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Object getAnimatedValue() { 737a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mValues != null && mValues.length > 0) { 738a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mValues[0].getAnimatedValue(); 739a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 740a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Shouldn't get here; should always have values unless ValueAnimator was set up wrong 741a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return null; 742a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 743a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 744a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 745a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The most recent value calculated by this <code>ValueAnimator</code> for <code>propertyName</code>. 746a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The main purpose for this read-only property is to retrieve the value from the 747a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>ValueAnimator</code> during a call to 748a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorUpdateListener#onAnimationUpdate(ValueAnimator)}, which 749a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is called during each animation frame, immediately after the value is calculated. 750a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 751a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return animatedValue The value most recently calculated for the named property 752a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * by this <code>ValueAnimator</code>. 753a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 754a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Object getAnimatedValue(String propertyName) { 755a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder valuesHolder = mValuesMap.get(propertyName); 756a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (valuesHolder != null) { 757a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return valuesHolder.getAnimatedValue(); 758a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 759a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // At least avoid crashing if called with bogus propertyName 760a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return null; 761a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 762a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 763a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 764a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 765a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets how many times the animation should be repeated. If the repeat 766a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * count is 0, the animation is never repeated. If the repeat count is 767a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * greater than 0 or {@link #INFINITE}, the repeat mode will be taken 768a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * into account. The repeat count is 0 by default. 769a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 770a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value the number of times the animation should be repeated 771a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 772a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setRepeatCount(int value) { 773a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mRepeatCount = value; 774a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 775a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 776a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines how many times the animation should repeat. The default value 777a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is 0. 778a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 779a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the number of times the animation should repeat, or {@link #INFINITE} 780a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 781a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public int getRepeatCount() { 782a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mRepeatCount; 783a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 784a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 785a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 786a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines what this animation should do when it reaches the end. This 787a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * setting is applied only when the repeat count is either greater than 788a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 0 or {@link #INFINITE}. Defaults to {@link #RESTART}. 789a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 790a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value {@link #RESTART} or {@link #REVERSE} 791a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 792a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setRepeatMode(int value) { 793a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mRepeatMode = value; 794a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 795a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 796a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 797a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines what this animation should do when it reaches the end. 798a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 799a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return either one of {@link #REVERSE} or {@link #RESTART} 800a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 801a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public int getRepeatMode() { 802a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mRepeatMode; 803a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 804a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 805a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 806a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Adds a listener to the set of listeners that are sent update events through the life of 807a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * an animation. This method is called on all listeners for every frame of the animation, 808a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * after the values for the animation have been calculated. 809a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 810a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param listener the listener to be added to the current set of listeners for this animation. 811a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 812a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void addUpdateListener(AnimatorUpdateListener listener) { 813a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners == null) { 814a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners = new ArrayList<AnimatorUpdateListener>(); 815a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 816a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.add(listener); 817a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 818a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 819a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 8203060421045d4d9e411797f91bb509824b03e33fbJim Miller * Removes all listeners from the set listening to frame updates for this animation. 8213060421045d4d9e411797f91bb509824b03e33fbJim Miller */ 8223060421045d4d9e411797f91bb509824b03e33fbJim Miller public void removeAllUpdateListeners() { 8233060421045d4d9e411797f91bb509824b03e33fbJim Miller if (mUpdateListeners == null) { 8243060421045d4d9e411797f91bb509824b03e33fbJim Miller return; 8253060421045d4d9e411797f91bb509824b03e33fbJim Miller } 8263060421045d4d9e411797f91bb509824b03e33fbJim Miller mUpdateListeners.clear(); 8273060421045d4d9e411797f91bb509824b03e33fbJim Miller mUpdateListeners = null; 8283060421045d4d9e411797f91bb509824b03e33fbJim Miller } 8293060421045d4d9e411797f91bb509824b03e33fbJim Miller 8303060421045d4d9e411797f91bb509824b03e33fbJim Miller /** 831a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Removes a listener from the set listening to frame updates for this animation. 832a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 833a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param listener the listener to be removed from the current set of update listeners 834a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * for this animation. 835a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 836a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void removeUpdateListener(AnimatorUpdateListener listener) { 837a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners == null) { 838a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return; 839a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 840a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.remove(listener); 841a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners.size() == 0) { 842a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners = null; 843a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 844a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 845a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 846a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 847a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 848a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The time interpolator used in calculating the elapsed fraction of this animation. The 849a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * interpolator determines whether the animation runs with linear or non-linear motion, 850a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * such as acceleration and deceleration. The default value is 851a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link android.view.animation.AccelerateDecelerateInterpolator} 852a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 85327c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * @param value the interpolator to be used by this animation. A value of <code>null</code> 85427c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * will result in linear interpolation. 855a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 856a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 857e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase public void setInterpolator(TimeInterpolator value) { 858a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (value != null) { 859a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mInterpolator = value; 86027c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase } else { 86127c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase mInterpolator = new LinearInterpolator(); 862a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 863a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 864a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 865a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 866a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Returns the timing interpolator that this ValueAnimator uses. 867a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 868a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The timing interpolator for this ValueAnimator. 869a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 870430742f09063574271e6c4091de13b9b9e762514Chet Haase @Override 871e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase public TimeInterpolator getInterpolator() { 872a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mInterpolator; 873a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 874a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 875a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 876a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The type evaluator to be used when calculating the animated values of this animation. 877b2ab04ffb6894f399d5c9ceb15f64eb17b654426Chet Haase * The system will automatically assign a float or int evaluator based on the type 878a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of <code>startValue</code> and <code>endValue</code> in the constructor. But if these values 879a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * are not one of these primitive types, or if different evaluation is desired (such as is 880a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * necessary with int values that represent colors), a custom evaluator needs to be assigned. 88153ee3316bcb3590ff156b3fd7108903c0817c35dChet Haase * For example, when running an animation on color values, the {@link ArgbEvaluator} 882a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be used to get correct RGB color interpolation. 883a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 884a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>If this ValueAnimator has only one set of values being animated between, this evaluator 885a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will be used for that set. If there are several sets of values being animated, which is 886fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase * the case if PropertyValuesHolder objects were set on the ValueAnimator, then the evaluator 887a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is assigned just to the first PropertyValuesHolder object.</p> 888a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 889a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value the evaluator to be used this animation 890a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 891a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setEvaluator(TypeEvaluator value) { 892a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (value != null && mValues != null && mValues.length > 0) { 893a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[0].setEvaluator(value); 894a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 895a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 896a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 89717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase private void notifyStartListeners() { 89817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (mListeners != null && !mStartListenersCalled) { 89917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase ArrayList<AnimatorListener> tmpListeners = 90017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 90117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase int numListeners = tmpListeners.size(); 90217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase for (int i = 0; i < numListeners; ++i) { 90317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase tmpListeners.get(i).onAnimationStart(this); 90417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 90517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 90617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStartListenersCalled = true; 90717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 90817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase 909a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 910a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Start the animation playing. This version of start() takes a boolean flag that indicates 911a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * whether the animation should play in reverse. The flag is usually false, but may be set 9122970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * to true if called from the reverse() method. 9132970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * 9142970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * <p>The animation started by calling this method will be run on the thread that called 9152970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * this method. This thread should have a Looper on it (a runtime exception will be thrown if 9162970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * this is not the case). Also, if the animation will animate 9172970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * properties of objects in the view hierarchy, then the calling thread should be the UI 9182970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * thread for that view hierarchy.</p> 919a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 920a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param playBackwards Whether the ValueAnimator should start playing in reverse. 921a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 922a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private void start(boolean playBackwards) { 9232970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase if (Looper.myLooper() == null) { 9242970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase throw new AndroidRuntimeException("Animators may only be run on Looper threads"); 9253060421045d4d9e411797f91bb509824b03e33fbJim Miller } 9262970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase mPlayingBackwards = playBackwards; 927add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mCurrentIteration = 0; 928add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mPlayingState = STOPPED; 9298b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mStarted = true; 930add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mStartedDelay = false; 9318aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPaused = false; 9329c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler animationHandler = getOrCreateAnimationHandler(); 9339c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown animationHandler.mPendingAnimations.add(this); 9342970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase if (mStartDelay == 0) { 935add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase // This sets the initial value of the animation, prior to actually starting it running 93659bbef0cd781f4933fd8a0a85b6067f36e529e02Jeff Brown setCurrentPlayTime(0); 937154f14508a11627d5a995b6fe2a14a83d794a6feChet Haase mPlayingState = STOPPED; 9388b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mRunning = true; 93917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 940a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 94120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown animationHandler.start(); 942a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 943a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 944a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 945a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void start() { 946a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase start(false); 947a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 948a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 949a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 950a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void cancel() { 9512970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase // Only cancel if the animation is actually running or has been started and is about 9522970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase // to run 9539c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = getOrCreateAnimationHandler(); 9549c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (mPlayingState != STOPPED 9559c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown || handler.mPendingAnimations.contains(this) 9569c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown || handler.mDelayedAnims.contains(this)) { 957b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase // Only notify listeners if the animator has actually started 95817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if ((mStarted || mRunning) && mListeners != null) { 95917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (!mRunning) { 96017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase // If it's not yet running, then start listeners weren't called. Call them now. 96117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 96217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 9637dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase ArrayList<AnimatorListener> tmpListeners = 9647dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 9657dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (AnimatorListener listener : tmpListeners) { 9667dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase listener.onAnimationCancel(this); 9677dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 9687dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 9699c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown endAnimation(handler); 9702970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase } 971a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 972a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 973a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 974a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void end() { 9759c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = getOrCreateAnimationHandler(); 9769c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (!handler.mAnimations.contains(this) && !handler.mPendingAnimations.contains(this)) { 977a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Special case if the animation has not yet started; get it ready for ending 978a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartedDelay = false; 9799c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown startAnimation(handler); 98017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStarted = true; 981add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase } else if (!mInitialized) { 982add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase initAnimation(); 983e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 9844dd176864310e1d9519bf6b88918913e9927984fChet Haase animateValue(mPlayingBackwards ? 0f : 1f); 9859c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown endAnimation(handler); 986a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 987a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 988a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 9898aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void resume() { 9908aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 9918aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = true; 9928aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 9938aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.resume(); 9948aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 9958aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 9968aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 9978aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void pause() { 9988aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase boolean previouslyPaused = mPaused; 9998aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.pause(); 10008aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (!previouslyPaused && mPaused) { 10018aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = -1; 10028aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 10038aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10048aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10058aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 10068aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 1007a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public boolean isRunning() { 10088b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return (mPlayingState == RUNNING || mRunning); 10098b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase } 10108b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase 10118b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase @Override 10128b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase public boolean isStarted() { 10138b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return mStarted; 1014a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1015a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1016a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1017a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Plays the ValueAnimator in reverse. If the animation is already running, 1018a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * it will stop itself and play backwards from the point reached when reverse was called. 1019a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * If the animation is not currently running, then it will start from the end and 1020a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * play backwards. This behavior is only set for the current animation; future playing 1021a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of the animation will use the default behavior of playing forward. 1022a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1023a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void reverse() { 1024a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingBackwards = !mPlayingBackwards; 1025a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingState == RUNNING) { 1026a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentTime = AnimationUtils.currentAnimationTimeMillis(); 1027a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentPlayTime = currentTime - mStartTime; 1028a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long timeLeft = mDuration - currentPlayTime; 1029a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime = currentTime - timeLeft; 1030f43fb2a57f152b5760d8792fec26f36d46b23817Chet Haase } else if (mStarted) { 1031f43fb2a57f152b5760d8792fec26f36d46b23817Chet Haase end(); 1032a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 1033a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase start(true); 1034a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1035a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1036a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1037a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1038a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Called internally to end an animation by removing it from the animations list. Must be 1039a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * called on the UI thread. 1040a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 10419c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private void endAnimation(AnimationHandler handler) { 10429c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.remove(this); 10439c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mPendingAnimations.remove(this); 10449c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mDelayedAnims.remove(this); 1045a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = STOPPED; 10468aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPaused = false; 104717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if ((mStarted || mRunning) && mListeners != null) { 104817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (!mRunning) { 104917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase // If it's not yet running, then start listeners weren't called. Call them now. 105017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 105117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 1052a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ArrayList<AnimatorListener> tmpListeners = 1053a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 10547c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numListeners = tmpListeners.size(); 10557c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numListeners; ++i) { 10567c608f25d494c8a0a671e7373efbb47ca635367eChet Haase tmpListeners.get(i).onAnimationEnd(this); 1057a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1058a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 10598b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mRunning = false; 1060b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase mStarted = false; 106117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStartListenersCalled = false; 1062caf46486f54cdc899e383dfc776ec33a81b089a1Chet Haase mPlayingBackwards = false; 10639b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) { 10649b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase Trace.asyncTraceEnd(Trace.TRACE_TAG_VIEW, getNameForTrace(), 10659b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase System.identityHashCode(this)); 10669b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase } 1067a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1068a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1069a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1070a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Called internally to start an animation by adding it to the active animations list. Must be 1071a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * called on the UI thread. 1072a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 10739c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private void startAnimation(AnimationHandler handler) { 10749b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) { 10759b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase Trace.asyncTraceBegin(Trace.TRACE_TAG_VIEW, getNameForTrace(), 10769b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase System.identityHashCode(this)); 10779b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase } 1078a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase initAnimation(); 10799c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.add(this); 1080b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase if (mStartDelay > 0 && mListeners != null) { 1081b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase // Listeners were already notified in start() if startDelay is 0; this is 1082b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase // just for delayed animations 108317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 1084a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1085a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1086a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1087a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1088fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase * Returns the name of this animator for debugging purposes. 1089fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase */ 1090fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase String getNameForTrace() { 1091fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase return "animator"; 1092fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase } 1093fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase 1094fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase 1095fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase /** 1096a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Internal function called to process an animation frame on an animation that is currently 1097a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * sleeping through its <code>startDelay</code> phase. The return value indicates whether it 1098a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be woken up and put on the active animations queue. 1099a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1100a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param currentTime The current animation time, used to calculate whether the animation 1101a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * has exceeded its <code>startDelay</code> and should be started. 1102a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return True if the animation's <code>startDelay</code> has been exceeded and the animation 1103a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be added to the set of active animations. 1104a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1105a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean delayedAnimationFrame(long currentTime) { 1106a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mStartedDelay) { 1107a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartedDelay = true; 1108a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mDelayStartTime = currentTime; 1109a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 11108aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 11118aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime < 0) { 11128aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = currentTime; 11138aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 11148aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase return false; 11158aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } else if (mResumed) { 11168aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 11178aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime > 0) { 11188aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase // Offset by the duration that the animation was paused 11198aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mDelayStartTime += (currentTime - mPauseTime); 11208aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 11218aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 1122a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long deltaTime = currentTime - mDelayStartTime; 1123a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (deltaTime > mStartDelay) { 1124a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // startDelay ended - start the anim and record the 1125a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // mStartTime appropriately 1126a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime = currentTime - (deltaTime - mStartDelay); 1127a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = RUNNING; 1128a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return true; 1129a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1130a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1131a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return false; 1132a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1133a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1134a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1135a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This internal function processes a single animation frame for a given animation. The 1136a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * currentTime parameter is the timing pulse sent by the handler, used to calculate the 1137a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * elapsed duration, and therefore 1138a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the elapsed fraction, of the animation. The return value indicates whether the animation 1139a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be ended (which happens when the elapsed time of the animation exceeds the 1140a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation's duration, including the repeatCount). 1141a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1142a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param currentTime The current time, as tracked by the static timing handler 1143a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return true if the animation's duration, including any repetitions due to 11448aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * <code>repeatCount</code>, has been exceeded and the animation should be ended. 1145a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1146051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase boolean animationFrame(long currentTime) { 1147a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase boolean done = false; 1148a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase switch (mPlayingState) { 1149a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase case RUNNING: 1150a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase case SEEKED: 115170d4ba15b1f0c1133c5aabc86de828b41e482fffChet Haase float fraction = mDuration > 0 ? (float)(currentTime - mStartTime) / mDuration : 1f; 1152a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (fraction >= 1f) { 1153a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mCurrentIteration < mRepeatCount || mRepeatCount == INFINITE) { 1154a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Time to repeat 1155a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mListeners != null) { 11567c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numListeners = mListeners.size(); 11577c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numListeners; ++i) { 11587c608f25d494c8a0a671e7373efbb47ca635367eChet Haase mListeners.get(i).onAnimationRepeat(this); 1159a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1160a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1161a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mRepeatMode == REVERSE) { 116218772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy mPlayingBackwards = !mPlayingBackwards; 1163a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1164730666858692ea396f5ad779654b5d86ff90b6caChet Haase mCurrentIteration += (int)fraction; 1165730666858692ea396f5ad779654b5d86ff90b6caChet Haase fraction = fraction % 1f; 1166a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime += mDuration; 1167a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 1168a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase done = true; 1169a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = Math.min(fraction, 1.0f); 1170a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1171a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1172a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingBackwards) { 1173a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = 1f - fraction; 1174a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1175a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase animateValue(fraction); 1176a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase break; 1177a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1178a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1179a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return done; 1180a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1181a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1182a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 118320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * Processes a frame of the animation, adjusting the start time if needed. 118420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * 118520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * @param frameTime The frame time. 118620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * @return true if the animation has ended. 118720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown */ 118820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown final boolean doAnimationFrame(long frameTime) { 118920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (mPlayingState == STOPPED) { 119020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mPlayingState = RUNNING; 119120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (mSeekTime < 0) { 119220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mStartTime = frameTime; 119320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } else { 119420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mStartTime = frameTime - mSeekTime; 119520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // Now that we're playing, reset the seek time 119620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mSeekTime = -1; 119720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 119820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 11998aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 12008aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime < 0) { 12018aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = frameTime; 12028aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 12038aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase return false; 12048aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } else if (mResumed) { 12058aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 12068aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime > 0) { 12078aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase // Offset by the duration that the animation was paused 12088aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mStartTime += (frameTime - mPauseTime); 12098aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 12108aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 121120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // The frame time might be before the start time during the first frame of 121220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // an animation. The "current time" must always be on or after the start 121320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // time to avoid animating frames at negative time intervals. In practice, this 121420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // is very rare and only happens when seeking backwards. 121520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown final long currentTime = Math.max(frameTime, mStartTime); 121620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown return animationFrame(currentTime); 121720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 121820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown 121920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown /** 1220a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * Returns the current animation fraction, which is the elapsed/interpolated fraction used in 1221a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * the most recent frame update on the animation. 1222a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * 1223a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * @return Elapsed/interpolated fraction of the animation. 1224a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase */ 1225a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase public float getAnimatedFraction() { 1226a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase return mCurrentFraction; 1227a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase } 1228a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase 1229a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase /** 1230a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This method is called with the elapsed fraction of the animation during every 1231a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation frame. This function turns the elapsed fraction into an interpolated fraction 1232a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * and then into an animated value (from the evaluator. The function is called mostly during 1233a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation updates, but it is also called when the <code>end()</code> 1234a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function is called, to set the final value on the property. 1235a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1236a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Overrides of this method must call the superclass to perform the calculation 1237a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of the animated value.</p> 1238a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1239a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param fraction The elapsed fraction of the animation. 1240a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1241a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void animateValue(float fraction) { 1242a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = mInterpolator.getInterpolation(fraction); 1243a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase mCurrentFraction = fraction; 1244a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = mValues.length; 1245a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 1246a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[i].calculateValue(fraction); 1247a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1248a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners != null) { 1249a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numListeners = mUpdateListeners.size(); 1250a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numListeners; ++i) { 1251a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.get(i).onAnimationUpdate(this); 1252a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1253a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1254a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1255a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1256a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1257a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public ValueAnimator clone() { 1258a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase final ValueAnimator anim = (ValueAnimator) super.clone(); 1259a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners != null) { 1260a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ArrayList<AnimatorUpdateListener> oldListeners = mUpdateListeners; 1261a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mUpdateListeners = new ArrayList<AnimatorUpdateListener>(); 1262a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numListeners = oldListeners.size(); 1263a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numListeners; ++i) { 1264a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mUpdateListeners.add(oldListeners.get(i)); 1265a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1266a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1267a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mSeekTime = -1; 1268a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mPlayingBackwards = false; 1269a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mCurrentIteration = 0; 1270a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mInitialized = false; 1271a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mPlayingState = STOPPED; 1272a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mStartedDelay = false; 1273a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder[] oldValues = mValues; 1274a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (oldValues != null) { 1275a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = oldValues.length; 1276a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mValues = new PropertyValuesHolder[numValues]; 1277a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mValuesMap = new HashMap<String, PropertyValuesHolder>(numValues); 1278a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 1279d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase PropertyValuesHolder newValuesHolder = oldValues[i].clone(); 1280d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase anim.mValues[i] = newValuesHolder; 1281d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase anim.mValuesMap.put(newValuesHolder.getPropertyName(), newValuesHolder); 1282a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1283a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1284a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return anim; 1285a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1286a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1287a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1288a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Implementors of this interface can add themselves as update listeners 1289a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to an <code>ValueAnimator</code> instance to receive callbacks on every animation 1290a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frame, after the current frame's values have been calculated for that 1291a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>ValueAnimator</code>. 1292a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1293a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static interface AnimatorUpdateListener { 1294a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1295a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Notifies the occurrence of another frame of the animation.</p> 1296a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1297a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param animation The animation which was repeated. 1298a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1299a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void onAnimationUpdate(ValueAnimator animation); 1300a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1301a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1302599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick 1303599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick /** 1304599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * Return the number of animations currently running. 1305599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * 13069c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * Used by StrictMode internally to annotate violations. 13079c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * May be called on arbitrary threads! 1308599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * 1309599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * @hide 1310599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick */ 1311599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick public static int getCurrentAnimationsCount() { 13129c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 13139c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown return handler != null ? handler.mAnimations.size() : 0; 1314599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick } 13158901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy 13168901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy /** 13178901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * Clear all animations on this thread, without canceling or ending them. 13188901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * This should be used with caution. 13198901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * 13208901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * @hide 13218901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy */ 13228901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy public static void clearAllAnimations() { 13239c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 13249c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (handler != null) { 13259c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.clear(); 13269c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mPendingAnimations.clear(); 13279c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mDelayedAnims.clear(); 13289c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 13299c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 13309c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 133118772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy private static AnimationHandler getOrCreateAnimationHandler() { 13329c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 13339c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (handler == null) { 13349c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler = new AnimationHandler(); 13359c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown sAnimationHandler.set(handler); 13369c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 13379c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown return handler; 13388901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy } 1339e9140a72b1059574046a624b471b2c3a35806496Chet Haase 1340e9140a72b1059574046a624b471b2c3a35806496Chet Haase @Override 1341e9140a72b1059574046a624b471b2c3a35806496Chet Haase public String toString() { 1342e9140a72b1059574046a624b471b2c3a35806496Chet Haase String returnVal = "ValueAnimator@" + Integer.toHexString(hashCode()); 1343e9140a72b1059574046a624b471b2c3a35806496Chet Haase if (mValues != null) { 1344e9140a72b1059574046a624b471b2c3a35806496Chet Haase for (int i = 0; i < mValues.length; ++i) { 1345e9140a72b1059574046a624b471b2c3a35806496Chet Haase returnVal += "\n " + mValues[i].toString(); 1346e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1347e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1348e9140a72b1059574046a624b471b2c3a35806496Chet Haase return returnVal; 1349e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1350599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick} 1351