ValueAnimator.java revision 0d1c27a713cb49de8f6f4fd0a129baa883153921
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 19d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyarimport android.content.res.ConfigurationBoundResourceCache; 20a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport android.os.Looper; 2118772ea228f3d292629c4f0b5f6392d047e0530dRomain Guyimport android.os.Trace; 222970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haaseimport android.util.AndroidRuntimeException; 2396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brownimport android.view.Choreographer; 24a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport android.view.animation.AccelerateDecelerateInterpolator; 25a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport android.view.animation.AnimationUtils; 2627c1d4debb3848f5accd5673fffeeacad3e61648Chet Haaseimport android.view.animation.LinearInterpolator; 27a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 28a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport java.util.ArrayList; 29a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport java.util.HashMap; 30a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 31a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase/** 32a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This class provides a simple timing engine for running animations 33a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * which calculate animated values and set them on target objects. 34a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 35a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>There is a single timing pulse that all animations use. It runs in a 36a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * custom handler to ensure that property changes happen on the UI thread.</p> 37a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 38a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>By default, ValueAnimator uses non-linear time interpolation, via the 39a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AccelerateDecelerateInterpolator} class, which accelerates into and decelerates 40a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * out of an animation. This behavior can be changed by calling 41e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase * {@link ValueAnimator#setInterpolator(TimeInterpolator)}.</p> 423aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * 433aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <div class="special reference"> 443aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <h3>Developer Guides</h3> 453aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <p>For more information about animating with {@code ValueAnimator}, read the 463aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <a href="{@docRoot}guide/topics/graphics/prop-animation.html#value-animator">Property 473aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * Animation</a> developer guide.</p> 483aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * </div> 49a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 5018772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy@SuppressWarnings("unchecked") 512794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haasepublic class ValueAnimator extends Animator { 52a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 53a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 54a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Internal constants 55a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 56d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase private static float sDurationScale = 1.0f; 57a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 58a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 59a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Values used with internal variable mPlayingState to indicate the current state of an 60a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation. 61a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 62051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase static final int STOPPED = 0; // Not yet playing 63051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase static final int RUNNING = 1; // Playing normally 64051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase static final int SEEKED = 2; // Seeked to some time value 65a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 66a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 67a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Internal variables 68a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * NOTE: This object implements the clone() method, making a deep copy of any referenced 69a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * objects. As other non-trivial fields are added to this class, make sure to add logic 70a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to clone() to make deep copies of them. 71a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 72a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 73a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The first time that the animation's animateFrame() method is called. This time is used to 74a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // determine elapsed time (and therefore the elapsed fraction) in subsequent calls 75a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // to animateFrame() 76051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase long mStartTime; 77a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 78a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 79a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Set when setCurrentPlayTime() is called. If negative, animation is not currently seeked 80a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to a value. 81a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 820d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase float mSeekFraction = -1; 83a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 848aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase /** 858aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * Set on the next frame after pause() is called, used to calculate a new startTime 868aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * or delayStartTime which allows the animator to continue from the point at which 878aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * it was paused. If negative, has not yet been set. 888aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase */ 898aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase private long mPauseTime; 908aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 918aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase /** 928aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * Set when an animator is resumed. This triggers logic in the next frame which 938aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * actually resumes the animator. 948aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase */ 958aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase private boolean mResumed = false; 968aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 978aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 98a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The static sAnimationHandler processes the internal timing loop on which all animations 99a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // are based 100be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** 101be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 102be19e030a14c8e398e8af97fa898ea80187704dfChet Haase */ 103be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected static ThreadLocal<AnimationHandler> sAnimationHandler = 104e3bc4e6f102fbef760fe0a59dd807363571b0867Chet Haase new ThreadLocal<AnimationHandler>(); 105e3bc4e6f102fbef760fe0a59dd807363571b0867Chet Haase 106a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The time interpolator to be used if none is set on the animation 107e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase private static final TimeInterpolator sDefaultInterpolator = 108e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase new AccelerateDecelerateInterpolator(); 109a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 110a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 111a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Used to indicate whether the animation is currently playing in reverse. This causes the 112a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * elapsed fraction to be inverted to calculate the appropriate values. 113a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 114a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean mPlayingBackwards = false; 115a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 116a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 117a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This variable tracks the current iteration that is playing. When mCurrentIteration exceeds the 118a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * repeatCount (if repeatCount!=INFINITE), the animation ends 119a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 120a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mCurrentIteration = 0; 121a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 122a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 123a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * Tracks current elapsed/eased fraction, for querying in getAnimatedFraction(). 124a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase */ 125a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase private float mCurrentFraction = 0f; 126a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase 127a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase /** 128a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Tracks whether a startDelay'd animation has begun playing through the startDelay. 129a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 130a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean mStartedDelay = false; 131a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 132a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 133a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Tracks the time at which the animation began playing through its startDelay. This is 134a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * different from the mStartTime variable, which is used to track when the animation became 135a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * active (which is when the startDelay expired and the animation was added to the active 136a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animations list). 137a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 138a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private long mDelayStartTime; 139a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 140a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 141a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Flag that represents the current state of the animation. Used to figure out when to start 142a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * an animation (if state == STOPPED). Also used to end an animation that 143a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * has been cancel()'d or end()'d since the last animation frame. Possible values are 144e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase * STOPPED, RUNNING, SEEKED. 145a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 146051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase int mPlayingState = STOPPED; 147a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 148a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 149b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * Additional playing state to indicate whether an animator has been start()'d. There is 150b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * some lag between a call to start() and the first animation frame. We should still note 151b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * that the animation has been started, even if it's first animation frame has not yet 152b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * happened, and reflect that state in isRunning(). 153b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * Note that delayed animations are different: they are not started until their first 154b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * animation frame, which occurs after their delay elapses. 155b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase */ 1568b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase private boolean mRunning = false; 1578b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase 1588b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase /** 1598b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * Additional playing state to indicate whether an animator has been start()'d, whether or 1608b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * not there is a nonzero startDelay. 1618b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase */ 162b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase private boolean mStarted = false; 163b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase 164b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase /** 1658aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * Tracks whether we've notified listeners of the onAnimationStart() event. This can be 16617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase * complex to keep track of since we notify listeners at different times depending on 16717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase * startDelay and whether start() was called before end(). 16817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase */ 16917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase private boolean mStartListenersCalled = false; 17017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase 17117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase /** 172a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Flag that denotes whether the animation is set up and ready to go. Used to 173a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * set up animation that has not yet been started. 174a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 175a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase boolean mInitialized = false; 176a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 177a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // 178a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Backing variables 179a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // 180a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 181a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // How long the animation should last in ms 182c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase private long mDuration = (long)(300 * sDurationScale); 183d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase private long mUnscaledDuration = 300; 184a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 185a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The amount of time in ms to delay starting the animation after start() is called 186a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private long mStartDelay = 0; 187d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase private long mUnscaledStartDelay = 0; 188a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 189a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The number of times the animation will repeat. The default is 0, which means the animation 190a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // will play only once 191a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mRepeatCount = 0; 192a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 193a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 194a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The type of repetition that will occur when repeatMode is nonzero. RESTART means the 195a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation will start from the beginning on every new cycle. REVERSE means the animation 196a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will reverse directions on each iteration. 197a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 198a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mRepeatMode = RESTART; 199a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 200a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 201a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The time interpolator to be used. The elapsed fraction of the animation will be passed 202a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * through this interpolator to calculate the interpolated fraction, which is then used to 203a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * calculate the animated values. 204a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 205e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase private TimeInterpolator mInterpolator = sDefaultInterpolator; 206a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 207a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 208a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The set of listeners to be sent events through the life of an animation. 209a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 210d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck ArrayList<AnimatorUpdateListener> mUpdateListeners = null; 211a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 212a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 213a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The property/value sets being animated. 214a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 215a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder[] mValues; 216a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 217a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 218a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * A hashmap of the PropertyValuesHolder objects. This map is used to lookup animated values 219a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * by property name during calls to getAnimatedValue(String). 220a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 221a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase HashMap<String, PropertyValuesHolder> mValuesMap; 222a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 223a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 224a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Public constants 225a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 226a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 227a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 228a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * When the animation reaches the end and <code>repeatCount</code> is INFINITE 229a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * or a positive value, the animation restarts from the beginning. 230a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 231a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int RESTART = 1; 232a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 233a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * When the animation reaches the end and <code>repeatCount</code> is INFINITE 234a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * or a positive value, the animation reverses direction on every iteration. 235a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 236a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int REVERSE = 2; 237a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 238a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This value used used with the {@link #setRepeatCount(int)} property to repeat 239a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the animation indefinitely. 240a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 241a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int INFINITE = -1; 242a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 243c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase 244c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase /** 245c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase * @hide 246c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase */ 247c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase public static void setDurationScale(float durationScale) { 248c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase sDurationScale = durationScale; 249c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase } 250c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase 251a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 252ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown * @hide 253ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown */ 254ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown public static float getDurationScale() { 255ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown return sDurationScale; 256ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown } 257ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown 258ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown /** 259a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Creates a new ValueAnimator object. This default constructor is primarily for 2602794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * use internally; the factory methods which take parameters are more generally 261a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * useful. 262a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 263a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public ValueAnimator() { 264a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 265a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 266a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 2672794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between int values. A single 2682794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 2692794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 2702794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 2712794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 2722794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 273a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 2742794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 2752794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 27641f041d9986f8a5d45b6cb0b86e881c81a412168Chet Haase */ 2772794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofInt(int... values) { 2782794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 2792794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setIntValues(values); 2802794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 2812794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 2822794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 2832794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 2841ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * Constructs and returns a ValueAnimator that animates between color values. A single 2851ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * value implies that that value is the one being animated to. However, this is not typically 2861ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * useful in a ValueAnimator object because there is no way for the object to determine the 2871ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * starting value for the animation (unlike ObjectAnimator, which can derive that value 2881ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * from the target object and property being animated). Therefore, there should typically 2891ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * be two or more values. 2901ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * 2911ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * @param values A set of values that the animation will animate between over time. 2921ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * @return A ValueAnimator object that is set up to animate between the given values. 2931ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount */ 2941ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount public static ValueAnimator ofArgb(int... values) { 2951ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount ValueAnimator anim = new ValueAnimator(); 2961ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount anim.setIntValues(values); 2971ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount anim.setEvaluator(ArgbEvaluator.getInstance()); 2981ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount return anim; 2991ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount } 3001ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount 3011ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount /** 3022794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between float values. A single 3032794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3042794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3052794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3062794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3072794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3082794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3092794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3102794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3112794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofFloat(float... values) { 3132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3142794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setFloatValues(values); 3152794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3162794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3172794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3182794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3192794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between the values 3202794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * specified in the PropertyValuesHolder objects. 3212794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3222794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of PropertyValuesHolder objects whose values will be animated 3232794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * between over time. 3242794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3252794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3262794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofPropertyValuesHolder(PropertyValuesHolder... values) { 3272794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3282794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setValues(values); 3292794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3302794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3312794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3322794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between Object values. A single 3332794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3342794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3352794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3362794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3372794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3382794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3392794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>Since ValueAnimator does not know how to animate between arbitrary Objects, this 3402794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * factory method also takes a TypeEvaluator object that the ValueAnimator will use 3412794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * to perform that interpolation. 3422794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3432794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param evaluator A TypeEvaluator that will be called on each animation frame to 3442794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * provide the ncessry interpolation between the Object values to derive the animated 3452794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value. 3462794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3472794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3482794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3492794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofObject(TypeEvaluator evaluator, Object... values) { 3502794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3512794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setObjectValues(values); 3522794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setEvaluator(evaluator); 3532794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3542794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3552794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3562794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3572794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets int values that will be animated between. A single 3582794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3592794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3602794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3612794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3622794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3632794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3642794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 3652794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 3662794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 3672794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3682794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3692794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3702794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setIntValues(int... values) { 3712794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 3722794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 3732794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3742794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 37518772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofInt("", values)); 3762794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 3772794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 3782794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setIntValues(values); 3792794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3802794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 3812794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 3822794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3832794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3842794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3852794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets float values that will be animated between. A single 3862794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3872794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3882794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3892794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3902794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3912794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3922794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 3932794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 3942794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 3952794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3962794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3972794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3982794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setFloatValues(float... values) { 3992794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 4002794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 40141f041d9986f8a5d45b6cb0b86e881c81a412168Chet Haase } 4022794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 40318772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofFloat("", values)); 4042794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 4052794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 4062794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setFloatValues(values); 4072794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4082794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 4092794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 4102794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4112794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 4122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 4132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets the values to animate between for this animation. A single 4142794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 4152794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 4162794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 4172794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 4182794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 4192794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4202794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 4212794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 4222794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 4232794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4242794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>There should be a TypeEvaluator set on the ValueAnimator that knows how to interpolate 4252794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * between these value objects. ValueAnimator only knows how to interpolate between the 4262794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * primitive types specified in the other setValues() methods.</p> 4272794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4282794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values The set of values to animate between. 4292794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 4302794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setObjectValues(Object... values) { 4312794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 4322794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 4332794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4342794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 43518772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofObject("", null, values)); 4362794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 4372794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 4382794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setObjectValues(values); 4392794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4402794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 4412794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 442a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 443a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 444a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 445a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets the values, per property, being animated between. This function is called internally 446f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa * by the constructors of ValueAnimator that take a list of values. But a ValueAnimator can 447a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * be constructed without values and this method can be called to set the values manually 448a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * instead. 449a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 450a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param values The set of values, per property, being animated between. 451a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 452a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setValues(PropertyValuesHolder... values) { 453a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = values.length; 454a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues = values; 455a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValuesMap = new HashMap<String, PropertyValuesHolder>(numValues); 456a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 45718772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy PropertyValuesHolder valuesHolder = values[i]; 458a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValuesMap.put(valuesHolder.getPropertyName(), valuesHolder); 459a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 4600e0590bf3cb32e73f423c0fe39a180d4b3c4343dChet Haase // New property/values/target should cause re-initialization prior to starting 4610e0590bf3cb32e73f423c0fe39a180d4b3c4343dChet Haase mInitialized = false; 462a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 463a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 464a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 465a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Returns the values that this ValueAnimator animates between. These values are stored in 466a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * PropertyValuesHolder objects, even if the ValueAnimator was created with a simple list 467a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of value objects instead. 468a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 469a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return PropertyValuesHolder[] An array of PropertyValuesHolder objects which hold the 470a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * values, per property, that define the animation. 471a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 472a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public PropertyValuesHolder[] getValues() { 473a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mValues; 474a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 475a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 476a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 477a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This function is called immediately before processing the first animation 478a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frame of an animation. If there is a nonzero <code>startDelay</code>, the 479a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function is called after that delay ends. 480a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * It takes care of the final initialization steps for the 481a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation. 482a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 483a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Overrides of this method should call the superclass method to ensure 484a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * that internal mechanisms for the animation are set up correctly.</p> 485a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 486a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void initAnimation() { 487a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mInitialized) { 488a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = mValues.length; 489a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 490a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[i].init(); 491a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 492a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mInitialized = true; 493a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 494a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 495a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 496a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 497a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 4982794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets the length of the animation. The default duration is 300 milliseconds. 499a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 50027c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * @param duration The length of the animation, in milliseconds. This value cannot 50127c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * be negative. 5022794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return ValueAnimator The object called with setDuration(). This return 5032794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value makes it easier to compose statements together that construct and then set the 5042794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * duration, as in <code>ValueAnimator.ofInt(0, 10).setDuration(500).start()</code>. 505a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 5062794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public ValueAnimator setDuration(long duration) { 50727c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase if (duration < 0) { 50827c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase throw new IllegalArgumentException("Animators cannot have negative duration: " + 50927c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase duration); 51027c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase } 511d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mUnscaledDuration = duration; 5127a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown updateScaledDuration(); 5132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return this; 514a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 515a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 5167a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown private void updateScaledDuration() { 5177a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown mDuration = (long)(mUnscaledDuration * sDurationScale); 5187a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown } 5197a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown 520a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 5212794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Gets the length of the animation. The default duration is 300 milliseconds. 522a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 523a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The length of the animation, in milliseconds. 524a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 525a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getDuration() { 526d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase return mUnscaledDuration; 527a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 528a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 529a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 530a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets the position of the animation to the specified point in time. This time should 531a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * be between 0 and the total duration of the animation, including any repetition. If 532a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the animation has not yet been started, then it will not advance forward after it is 533a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * set to this time; it will simply set the time to this value and perform any appropriate 534a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * actions based on that time. If the animation is already running, then setCurrentPlayTime() 535a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will set the current playing time to this value and continue playing from that point. 536a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 537a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param playTime The time, in milliseconds, to which the animation is advanced or rewound. 538a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 539a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setCurrentPlayTime(long playTime) { 5400d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase float fraction = mUnscaledDuration > 0 ? (float) playTime / mUnscaledDuration : 5410d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase playTime == 0 ? 0 : 1; 5420d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase setCurrentFraction(fraction); 5430d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase } 5440d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase 5450d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase /** 5460d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * Sets the position of the animation to the specified fraction. This fraction should 5470d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * be between 0 and the total fraction of the animation, including any repetition. That is, 5480d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * a fraction of 0 will position the animation at the beginning, a value of 1 at the end, 5490d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * and a value of 2 at the beginning of a reversing animator that repeats once. If 5500d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * the animation has not yet been started, then it will not advance forward after it is 5510d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * set to this fraction; it will simply set the fraction to this value and perform any 5520d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * appropriate actions based on that fraction. If the animation is already running, then 5530d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * setCurrentFraction() will set the current fraction to this value and continue 5540d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * playing from that point. 5550d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * 5560d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * @param fraction The fraction to which the animation is advanced or rewound. 5570d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase */ 5580d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase public void setCurrentFraction(float fraction) { 559a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase initAnimation(); 560a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingState != RUNNING) { 5610d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase mSeekFraction = fraction; 562a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = SEEKED; 563a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 5640d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase animateValue(fraction); 565a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 566a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 567a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 568a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Gets the current position of the animation in time, which is equal to the current 569a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * time minus the time that the animation started. An animation that is not yet started will 570a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * return a value of zero. 571a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 572a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The current position in time of the animation. 573a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 574a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getCurrentPlayTime() { 575a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mInitialized || mPlayingState == STOPPED) { 576a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return 0; 577a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 578a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return AnimationUtils.currentAnimationTimeMillis() - mStartTime; 579a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 580a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 581a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 582a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This custom, static handler handles the timing pulse that is shared by 583a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * all active animations. This approach ensures that the setting of animation 584a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * values will happen on the UI thread and that all animations will share 585a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the same times for calculating their values, which makes synchronizing 586a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animations possible. 587a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 58820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * The handler uses the Choreographer for executing periodic callbacks. 589be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * 590be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 591a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 59218772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy @SuppressWarnings("unchecked") 593be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected static class AnimationHandler implements Runnable { 5949c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown // The per-thread list of all active animations 595be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** @hide */ 596be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mAnimations = new ArrayList<ValueAnimator>(); 5979c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 5982936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase // Used in doAnimationFrame() to avoid concurrent modifications of mAnimations 5992936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase private final ArrayList<ValueAnimator> mTmpAnimations = new ArrayList<ValueAnimator>(); 6002936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase 6019c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown // The per-thread set of animations to be started on the next animation frame 602be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** @hide */ 603be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mPendingAnimations = new ArrayList<ValueAnimator>(); 6049c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 6059c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown /** 6069c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * Internal per-thread collections used to avoid set collisions as animations start and end 6079c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * while being processed. 608be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 6099c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown */ 610be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mDelayedAnims = new ArrayList<ValueAnimator>(); 6119c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private final ArrayList<ValueAnimator> mEndingAnims = new ArrayList<ValueAnimator>(); 6129c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private final ArrayList<ValueAnimator> mReadyAnims = new ArrayList<ValueAnimator>(); 6139c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 61496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown private final Choreographer mChoreographer; 6154a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown private boolean mAnimationScheduled; 61696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 61796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown private AnimationHandler() { 61896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mChoreographer = Choreographer.getInstance(); 61996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 62096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 621a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 62220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * Start animating on the next frame. 623a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 62420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown public void start() { 62520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown scheduleAnimation(); 62696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 627a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 62820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown private void doAnimationFrame(long frameTime) { 62996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // mPendingAnimations holds any animations that have requested to be started 63096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // We're going to clear mPendingAnimations, but starting animation may 63196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // cause more to be added to the pending list (for example, if one animation 63296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // starting triggers another starting). So we loop until mPendingAnimations 63396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // is empty. 63496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown while (mPendingAnimations.size() > 0) { 63596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ArrayList<ValueAnimator> pendingCopy = 63696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown (ArrayList<ValueAnimator>) mPendingAnimations.clone(); 63796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mPendingAnimations.clear(); 63896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int count = pendingCopy.size(); 63996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < count; ++i) { 64096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = pendingCopy.get(i); 64196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // If the animation has a startDelay, place it on the delayed list 64296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (anim.mStartDelay == 0) { 64396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.startAnimation(this); 64496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } else { 64596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mDelayedAnims.add(anim); 646a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 64796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 64896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 649c6ffab32415a58bbb010dcd115684f9dbc249710Chet Haase // Next, process animations currently sitting on the delayed queue, adding 65096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // them to the active animations if they are ready 65196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numDelayedAnims = mDelayedAnims.size(); 65296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < numDelayedAnims; ++i) { 65396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = mDelayedAnims.get(i); 65420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (anim.delayedAnimationFrame(frameTime)) { 65596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mReadyAnims.add(anim); 65696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 65796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 65896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numReadyAnims = mReadyAnims.size(); 65996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (numReadyAnims > 0) { 66096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < numReadyAnims; ++i) { 66196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = mReadyAnims.get(i); 66296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.startAnimation(this); 66396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.mRunning = true; 66496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mDelayedAnims.remove(anim); 66596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 66696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mReadyAnims.clear(); 66796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 66896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 66996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // Now process all active animations. The return value from animationFrame() 67096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // tells the handler whether it should now be ended 67196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numAnims = mAnimations.size(); 6722936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < numAnims; ++i) { 6732936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase mTmpAnimations.add(mAnimations.get(i)); 6742936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase } 6752936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < numAnims; ++i) { 6762936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase ValueAnimator anim = mTmpAnimations.get(i); 6772936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase if (mAnimations.contains(anim) && anim.doAnimationFrame(frameTime)) { 67896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.add(anim); 67996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 68096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 6812936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase mTmpAnimations.clear(); 68296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (mEndingAnims.size() > 0) { 6832936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < mEndingAnims.size(); ++i) { 68496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.get(i).endAnimation(this); 68596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 68696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.clear(); 68796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 68896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 68996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // If there are still active or delayed animations, schedule a future call to 69096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // onAnimate to process the next frame of the animations. 69120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (!mAnimations.isEmpty() || !mDelayedAnims.isEmpty()) { 69220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown scheduleAnimation(); 693a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 694a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 69596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 6964a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown // Called by the Choreographer. 69796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown @Override 6984a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown public void run() { 6994a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown mAnimationScheduled = false; 70020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown doAnimationFrame(mChoreographer.getFrameTime()); 70120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 70220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown 70320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown private void scheduleAnimation() { 70420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (!mAnimationScheduled) { 70520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mChoreographer.postCallback(Choreographer.CALLBACK_ANIMATION, this, null); 70620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mAnimationScheduled = true; 70720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 70896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 709a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 710a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 711a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 712a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, to delay starting the animation after 713a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link #start()} is called. 714a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 715a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the number of milliseconds to delay running the animation 716a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 717a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getStartDelay() { 718d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase return mUnscaledStartDelay; 719a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 720a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 721a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 722a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, to delay starting the animation after 723a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link #start()} is called. 724a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 725a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param startDelay The amount of the delay, in milliseconds 726a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 727a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setStartDelay(long startDelay) { 728d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase this.mStartDelay = (long)(startDelay * sDurationScale); 729d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mUnscaledStartDelay = startDelay; 730a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 731a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 732a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 733a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, between each frame of the animation. This is a 734a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * requested time that the animation will attempt to honor, but the actual delay between 735a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frames may be different, depending on system load and capabilities. This is a static 736a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function because the same delay will be applied to all animations, since they are all 737a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * run off of a single timing loop. 738a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 73996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * The frame delay may be ignored when the animation system uses an external timing 74096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * source, such as the display refresh rate (vsync), to govern animations. 74196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * 742a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the requested time between frames, in milliseconds 743a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 744a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static long getFrameDelay() { 74596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown return Choreographer.getFrameDelay(); 746a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 747a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 748a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 749a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, between each frame of the animation. This is a 750a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * requested time that the animation will attempt to honor, but the actual delay between 751a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frames may be different, depending on system load and capabilities. This is a static 752a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function because the same delay will be applied to all animations, since they are all 753a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * run off of a single timing loop. 754a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 75596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * The frame delay may be ignored when the animation system uses an external timing 75696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * source, such as the display refresh rate (vsync), to govern animations. 75796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * 758a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param frameDelay the requested time between frames, in milliseconds 759a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 760a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static void setFrameDelay(long frameDelay) { 76196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown Choreographer.setFrameDelay(frameDelay); 762a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 763a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 764a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 765a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The most recent value calculated by this <code>ValueAnimator</code> when there is just one 766a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * property being animated. This value is only sensible while the animation is running. The main 767a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * purpose for this read-only property is to retrieve the value from the <code>ValueAnimator</code> 768a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * during a call to {@link AnimatorUpdateListener#onAnimationUpdate(ValueAnimator)}, which 769a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is called during each animation frame, immediately after the value is calculated. 770a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 771a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return animatedValue The value most recently calculated by this <code>ValueAnimator</code> for 772a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the single property being animated. If there are several properties being animated 773a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * (specified by several PropertyValuesHolder objects in the constructor), this function 774a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * returns the animated value for the first of those objects. 775a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 776a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Object getAnimatedValue() { 777a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mValues != null && mValues.length > 0) { 778a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mValues[0].getAnimatedValue(); 779a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 780a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Shouldn't get here; should always have values unless ValueAnimator was set up wrong 781a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return null; 782a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 783a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 784a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 785a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The most recent value calculated by this <code>ValueAnimator</code> for <code>propertyName</code>. 786a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The main purpose for this read-only property is to retrieve the value from the 787a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>ValueAnimator</code> during a call to 788a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorUpdateListener#onAnimationUpdate(ValueAnimator)}, which 789a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is called during each animation frame, immediately after the value is calculated. 790a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 791a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return animatedValue The value most recently calculated for the named property 792a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * by this <code>ValueAnimator</code>. 793a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 794a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Object getAnimatedValue(String propertyName) { 795a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder valuesHolder = mValuesMap.get(propertyName); 796a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (valuesHolder != null) { 797a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return valuesHolder.getAnimatedValue(); 798a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 799a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // At least avoid crashing if called with bogus propertyName 800a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return null; 801a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 802a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 803a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 804a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 805a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets how many times the animation should be repeated. If the repeat 806a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * count is 0, the animation is never repeated. If the repeat count is 807a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * greater than 0 or {@link #INFINITE}, the repeat mode will be taken 808a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * into account. The repeat count is 0 by default. 809a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 810a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value the number of times the animation should be repeated 811a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 812a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setRepeatCount(int value) { 813a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mRepeatCount = value; 814a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 815a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 816a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines how many times the animation should repeat. The default value 817a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is 0. 818a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 819a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the number of times the animation should repeat, or {@link #INFINITE} 820a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 821a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public int getRepeatCount() { 822a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mRepeatCount; 823a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 824a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 825a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 826a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines what this animation should do when it reaches the end. This 827a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * setting is applied only when the repeat count is either greater than 828a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 0 or {@link #INFINITE}. Defaults to {@link #RESTART}. 829a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 830a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value {@link #RESTART} or {@link #REVERSE} 831a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 832a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setRepeatMode(int value) { 833a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mRepeatMode = value; 834a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 835a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 836a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 837a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines what this animation should do when it reaches the end. 838a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 839a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return either one of {@link #REVERSE} or {@link #RESTART} 840a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 841a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public int getRepeatMode() { 842a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mRepeatMode; 843a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 844a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 845a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 846a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Adds a listener to the set of listeners that are sent update events through the life of 847a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * an animation. This method is called on all listeners for every frame of the animation, 848a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * after the values for the animation have been calculated. 849a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 850a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param listener the listener to be added to the current set of listeners for this animation. 851a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 852a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void addUpdateListener(AnimatorUpdateListener listener) { 853a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners == null) { 854a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners = new ArrayList<AnimatorUpdateListener>(); 855a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 856a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.add(listener); 857a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 858a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 859a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 8603060421045d4d9e411797f91bb509824b03e33fbJim Miller * Removes all listeners from the set listening to frame updates for this animation. 8613060421045d4d9e411797f91bb509824b03e33fbJim Miller */ 8623060421045d4d9e411797f91bb509824b03e33fbJim Miller public void removeAllUpdateListeners() { 8633060421045d4d9e411797f91bb509824b03e33fbJim Miller if (mUpdateListeners == null) { 8643060421045d4d9e411797f91bb509824b03e33fbJim Miller return; 8653060421045d4d9e411797f91bb509824b03e33fbJim Miller } 8663060421045d4d9e411797f91bb509824b03e33fbJim Miller mUpdateListeners.clear(); 8673060421045d4d9e411797f91bb509824b03e33fbJim Miller mUpdateListeners = null; 8683060421045d4d9e411797f91bb509824b03e33fbJim Miller } 8693060421045d4d9e411797f91bb509824b03e33fbJim Miller 8703060421045d4d9e411797f91bb509824b03e33fbJim Miller /** 871a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Removes a listener from the set listening to frame updates for this animation. 872a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 873a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param listener the listener to be removed from the current set of update listeners 874a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * for this animation. 875a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 876a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void removeUpdateListener(AnimatorUpdateListener listener) { 877a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners == null) { 878a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return; 879a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 880a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.remove(listener); 881a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners.size() == 0) { 882a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners = null; 883a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 884a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 885a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 886a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 887a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 888a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The time interpolator used in calculating the elapsed fraction of this animation. The 889a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * interpolator determines whether the animation runs with linear or non-linear motion, 890a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * such as acceleration and deceleration. The default value is 891a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link android.view.animation.AccelerateDecelerateInterpolator} 892a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 89327c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * @param value the interpolator to be used by this animation. A value of <code>null</code> 89427c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * will result in linear interpolation. 895a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 896a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 897e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase public void setInterpolator(TimeInterpolator value) { 898a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (value != null) { 899a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mInterpolator = value; 90027c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase } else { 90127c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase mInterpolator = new LinearInterpolator(); 902a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 903a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 904a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 905a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 906a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Returns the timing interpolator that this ValueAnimator uses. 907a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 908a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The timing interpolator for this ValueAnimator. 909a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 910430742f09063574271e6c4091de13b9b9e762514Chet Haase @Override 911e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase public TimeInterpolator getInterpolator() { 912a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mInterpolator; 913a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 914a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 915a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 916a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The type evaluator to be used when calculating the animated values of this animation. 917b2ab04ffb6894f399d5c9ceb15f64eb17b654426Chet Haase * The system will automatically assign a float or int evaluator based on the type 918a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of <code>startValue</code> and <code>endValue</code> in the constructor. But if these values 919a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * are not one of these primitive types, or if different evaluation is desired (such as is 920a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * necessary with int values that represent colors), a custom evaluator needs to be assigned. 92153ee3316bcb3590ff156b3fd7108903c0817c35dChet Haase * For example, when running an animation on color values, the {@link ArgbEvaluator} 922a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be used to get correct RGB color interpolation. 923a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 924a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>If this ValueAnimator has only one set of values being animated between, this evaluator 925a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will be used for that set. If there are several sets of values being animated, which is 926fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase * the case if PropertyValuesHolder objects were set on the ValueAnimator, then the evaluator 927a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is assigned just to the first PropertyValuesHolder object.</p> 928a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 929a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value the evaluator to be used this animation 930a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 931a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setEvaluator(TypeEvaluator value) { 932a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (value != null && mValues != null && mValues.length > 0) { 933a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[0].setEvaluator(value); 934a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 935a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 936a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 93717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase private void notifyStartListeners() { 93817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (mListeners != null && !mStartListenersCalled) { 93917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase ArrayList<AnimatorListener> tmpListeners = 94017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 94117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase int numListeners = tmpListeners.size(); 94217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase for (int i = 0; i < numListeners; ++i) { 94317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase tmpListeners.get(i).onAnimationStart(this); 94417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 94517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 94617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStartListenersCalled = true; 94717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 94817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase 949a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 950a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Start the animation playing. This version of start() takes a boolean flag that indicates 951a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * whether the animation should play in reverse. The flag is usually false, but may be set 9522970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * to true if called from the reverse() method. 9532970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * 9542970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * <p>The animation started by calling this method will be run on the thread that called 9552970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * this method. This thread should have a Looper on it (a runtime exception will be thrown if 9562970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * this is not the case). Also, if the animation will animate 9572970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * properties of objects in the view hierarchy, then the calling thread should be the UI 9582970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * thread for that view hierarchy.</p> 959a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 960a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param playBackwards Whether the ValueAnimator should start playing in reverse. 961a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 962a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private void start(boolean playBackwards) { 9632970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase if (Looper.myLooper() == null) { 9642970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase throw new AndroidRuntimeException("Animators may only be run on Looper threads"); 9653060421045d4d9e411797f91bb509824b03e33fbJim Miller } 9662970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase mPlayingBackwards = playBackwards; 967add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mCurrentIteration = 0; 9680d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase int prevPlayingState = mPlayingState; 969add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mPlayingState = STOPPED; 9708b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mStarted = true; 971add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mStartedDelay = false; 9728aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPaused = false; 9737a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown updateScaledDuration(); // in case the scale factor has changed since creation time 9749c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler animationHandler = getOrCreateAnimationHandler(); 9759c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown animationHandler.mPendingAnimations.add(this); 9762970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase if (mStartDelay == 0) { 977add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase // This sets the initial value of the animation, prior to actually starting it running 9780d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase if (prevPlayingState != SEEKED) { 9790d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase setCurrentPlayTime(0); 9800d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase } 981154f14508a11627d5a995b6fe2a14a83d794a6feChet Haase mPlayingState = STOPPED; 9828b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mRunning = true; 98317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 984a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 98520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown animationHandler.start(); 986a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 987a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 988a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 989a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void start() { 990a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase start(false); 991a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 992a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 993a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 994a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void cancel() { 9952970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase // Only cancel if the animation is actually running or has been started and is about 9962970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase // to run 9979c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = getOrCreateAnimationHandler(); 9989c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (mPlayingState != STOPPED 9999c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown || handler.mPendingAnimations.contains(this) 10009c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown || handler.mDelayedAnims.contains(this)) { 1001b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase // Only notify listeners if the animator has actually started 100217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if ((mStarted || mRunning) && mListeners != null) { 100317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (!mRunning) { 100417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase // If it's not yet running, then start listeners weren't called. Call them now. 100517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 100617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 10077dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase ArrayList<AnimatorListener> tmpListeners = 10087dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 10097dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (AnimatorListener listener : tmpListeners) { 10107dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase listener.onAnimationCancel(this); 10117dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 10127dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 10139c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown endAnimation(handler); 10142970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase } 1015a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1016a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1017a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1018a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void end() { 10199c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = getOrCreateAnimationHandler(); 10209c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (!handler.mAnimations.contains(this) && !handler.mPendingAnimations.contains(this)) { 1021a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Special case if the animation has not yet started; get it ready for ending 1022a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartedDelay = false; 10239c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown startAnimation(handler); 102417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStarted = true; 1025add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase } else if (!mInitialized) { 1026add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase initAnimation(); 1027e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 10284dd176864310e1d9519bf6b88918913e9927984fChet Haase animateValue(mPlayingBackwards ? 0f : 1f); 10299c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown endAnimation(handler); 1030a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1031a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1032a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 10338aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void resume() { 10348aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 10358aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = true; 10368aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10378aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.resume(); 10388aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10398aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 10408aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 10418aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void pause() { 10428aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase boolean previouslyPaused = mPaused; 10438aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.pause(); 10448aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (!previouslyPaused && mPaused) { 10458aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = -1; 10468aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 10478aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10488aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10498aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 10508aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 1051a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public boolean isRunning() { 10528b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return (mPlayingState == RUNNING || mRunning); 10538b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase } 10548b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase 10558b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase @Override 10568b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase public boolean isStarted() { 10578b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return mStarted; 1058a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1059a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1060a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1061a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Plays the ValueAnimator in reverse. If the animation is already running, 1062a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * it will stop itself and play backwards from the point reached when reverse was called. 1063a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * If the animation is not currently running, then it will start from the end and 1064a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * play backwards. This behavior is only set for the current animation; future playing 1065a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of the animation will use the default behavior of playing forward. 1066a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 10677bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui @Override 1068a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void reverse() { 1069a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingBackwards = !mPlayingBackwards; 1070a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingState == RUNNING) { 1071a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentTime = AnimationUtils.currentAnimationTimeMillis(); 1072a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentPlayTime = currentTime - mStartTime; 1073a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long timeLeft = mDuration - currentPlayTime; 1074a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime = currentTime - timeLeft; 1075f43fb2a57f152b5760d8792fec26f36d46b23817Chet Haase } else if (mStarted) { 1076f43fb2a57f152b5760d8792fec26f36d46b23817Chet Haase end(); 1077a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 1078a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase start(true); 1079a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1080a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1081a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1082a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 10837bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui * @hide 10847bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui */ 10857bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui @Override 10867bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui public boolean canReverse() { 10877bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui return true; 10887bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui } 10897bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui 10907bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui /** 1091a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Called internally to end an animation by removing it from the animations list. Must be 1092a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * called on the UI thread. 1093d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * @hide 1094a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1095d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck protected void endAnimation(AnimationHandler handler) { 10969c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.remove(this); 10979c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mPendingAnimations.remove(this); 10989c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mDelayedAnims.remove(this); 1099a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = STOPPED; 11008aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPaused = false; 110117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if ((mStarted || mRunning) && mListeners != null) { 110217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (!mRunning) { 110317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase // If it's not yet running, then start listeners weren't called. Call them now. 110417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 110517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 1106a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ArrayList<AnimatorListener> tmpListeners = 1107a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 11087c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numListeners = tmpListeners.size(); 11097c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numListeners; ++i) { 11107c608f25d494c8a0a671e7373efbb47ca635367eChet Haase tmpListeners.get(i).onAnimationEnd(this); 1111a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1112a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 11138b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mRunning = false; 1114b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase mStarted = false; 111517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStartListenersCalled = false; 1116caf46486f54cdc899e383dfc776ec33a81b089a1Chet Haase mPlayingBackwards = false; 11179b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) { 11189b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase Trace.asyncTraceEnd(Trace.TRACE_TAG_VIEW, getNameForTrace(), 11199b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase System.identityHashCode(this)); 11209b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase } 1121a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1122a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1123a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1124a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Called internally to start an animation by adding it to the active animations list. Must be 1125a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * called on the UI thread. 1126a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 11279c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private void startAnimation(AnimationHandler handler) { 11289b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) { 11299b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase Trace.asyncTraceBegin(Trace.TRACE_TAG_VIEW, getNameForTrace(), 11309b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase System.identityHashCode(this)); 11319b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase } 1132a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase initAnimation(); 11339c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.add(this); 1134b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase if (mStartDelay > 0 && mListeners != null) { 1135b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase // Listeners were already notified in start() if startDelay is 0; this is 1136b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase // just for delayed animations 113717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 1138a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1139a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1140a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1141a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1142fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase * Returns the name of this animator for debugging purposes. 1143fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase */ 1144fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase String getNameForTrace() { 1145fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase return "animator"; 1146fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase } 1147fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase 1148fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase 1149fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase /** 1150a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Internal function called to process an animation frame on an animation that is currently 1151a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * sleeping through its <code>startDelay</code> phase. The return value indicates whether it 1152a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be woken up and put on the active animations queue. 1153a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1154a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param currentTime The current animation time, used to calculate whether the animation 1155a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * has exceeded its <code>startDelay</code> and should be started. 1156a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return True if the animation's <code>startDelay</code> has been exceeded and the animation 1157a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be added to the set of active animations. 1158a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1159a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean delayedAnimationFrame(long currentTime) { 1160a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mStartedDelay) { 1161a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartedDelay = true; 1162a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mDelayStartTime = currentTime; 11632ed16ac6238227dab2687519268f3683f045e2acGeorge Mount } 11642ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (mPaused) { 11652ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (mPauseTime < 0) { 11662ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mPauseTime = currentTime; 11678aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 11682ed16ac6238227dab2687519268f3683f045e2acGeorge Mount return false; 11692ed16ac6238227dab2687519268f3683f045e2acGeorge Mount } else if (mResumed) { 11702ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mResumed = false; 11712ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (mPauseTime > 0) { 11722ed16ac6238227dab2687519268f3683f045e2acGeorge Mount // Offset by the duration that the animation was paused 11732ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mDelayStartTime += (currentTime - mPauseTime); 1174a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1175a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 11762ed16ac6238227dab2687519268f3683f045e2acGeorge Mount long deltaTime = currentTime - mDelayStartTime; 11772ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (deltaTime > mStartDelay) { 11782ed16ac6238227dab2687519268f3683f045e2acGeorge Mount // startDelay ended - start the anim and record the 11792ed16ac6238227dab2687519268f3683f045e2acGeorge Mount // mStartTime appropriately 11802ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mStartTime = currentTime - (deltaTime - mStartDelay); 11812ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mPlayingState = RUNNING; 11822ed16ac6238227dab2687519268f3683f045e2acGeorge Mount return true; 11832ed16ac6238227dab2687519268f3683f045e2acGeorge Mount } 1184a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return false; 1185a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1186a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1187a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1188a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This internal function processes a single animation frame for a given animation. The 1189a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * currentTime parameter is the timing pulse sent by the handler, used to calculate the 1190a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * elapsed duration, and therefore 1191a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the elapsed fraction, of the animation. The return value indicates whether the animation 1192a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be ended (which happens when the elapsed time of the animation exceeds the 1193a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation's duration, including the repeatCount). 1194a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1195a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param currentTime The current time, as tracked by the static timing handler 1196a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return true if the animation's duration, including any repetitions due to 11978aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * <code>repeatCount</code>, has been exceeded and the animation should be ended. 1198a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1199051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase boolean animationFrame(long currentTime) { 1200a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase boolean done = false; 1201a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase switch (mPlayingState) { 1202a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase case RUNNING: 1203a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase case SEEKED: 120470d4ba15b1f0c1133c5aabc86de828b41e482fffChet Haase float fraction = mDuration > 0 ? (float)(currentTime - mStartTime) / mDuration : 1f; 1205a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (fraction >= 1f) { 1206a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mCurrentIteration < mRepeatCount || mRepeatCount == INFINITE) { 1207a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Time to repeat 1208a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mListeners != null) { 12097c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numListeners = mListeners.size(); 12107c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numListeners; ++i) { 12117c608f25d494c8a0a671e7373efbb47ca635367eChet Haase mListeners.get(i).onAnimationRepeat(this); 1212a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1213a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1214a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mRepeatMode == REVERSE) { 121518772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy mPlayingBackwards = !mPlayingBackwards; 1216a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1217730666858692ea396f5ad779654b5d86ff90b6caChet Haase mCurrentIteration += (int)fraction; 1218730666858692ea396f5ad779654b5d86ff90b6caChet Haase fraction = fraction % 1f; 1219a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime += mDuration; 1220a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 1221a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase done = true; 1222a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = Math.min(fraction, 1.0f); 1223a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1224a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1225a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingBackwards) { 1226a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = 1f - fraction; 1227a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1228a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase animateValue(fraction); 1229a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase break; 1230a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1231a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1232a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return done; 1233a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1234a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1235a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 123620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * Processes a frame of the animation, adjusting the start time if needed. 123720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * 123820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * @param frameTime The frame time. 123920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * @return true if the animation has ended. 124020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown */ 124120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown final boolean doAnimationFrame(long frameTime) { 124220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (mPlayingState == STOPPED) { 124320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mPlayingState = RUNNING; 12440d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase if (mSeekFraction < 0) { 124520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mStartTime = frameTime; 124620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } else { 12470d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase long seekTime = (long) (mDuration * mSeekFraction); 12480d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase mStartTime = frameTime - seekTime; 12490d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase mSeekFraction = -1; 125020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 125120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 12528aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 12538aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime < 0) { 12548aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = frameTime; 12558aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 12568aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase return false; 12578aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } else if (mResumed) { 12588aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 12598aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime > 0) { 12608aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase // Offset by the duration that the animation was paused 12618aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mStartTime += (frameTime - mPauseTime); 12628aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 12638aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 126420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // The frame time might be before the start time during the first frame of 126520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // an animation. The "current time" must always be on or after the start 126620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // time to avoid animating frames at negative time intervals. In practice, this 126720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // is very rare and only happens when seeking backwards. 126820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown final long currentTime = Math.max(frameTime, mStartTime); 126920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown return animationFrame(currentTime); 127020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 127120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown 127220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown /** 1273a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * Returns the current animation fraction, which is the elapsed/interpolated fraction used in 1274a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * the most recent frame update on the animation. 1275a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * 1276a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * @return Elapsed/interpolated fraction of the animation. 1277a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase */ 1278a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase public float getAnimatedFraction() { 1279a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase return mCurrentFraction; 1280a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase } 1281a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase 1282a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase /** 1283a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This method is called with the elapsed fraction of the animation during every 1284a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation frame. This function turns the elapsed fraction into an interpolated fraction 1285a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * and then into an animated value (from the evaluator. The function is called mostly during 1286a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation updates, but it is also called when the <code>end()</code> 1287a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function is called, to set the final value on the property. 1288a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1289a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Overrides of this method must call the superclass to perform the calculation 1290a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of the animated value.</p> 1291a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1292a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param fraction The elapsed fraction of the animation. 1293a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1294a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void animateValue(float fraction) { 1295a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = mInterpolator.getInterpolation(fraction); 1296a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase mCurrentFraction = fraction; 1297a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = mValues.length; 1298a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 1299a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[i].calculateValue(fraction); 1300a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1301a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners != null) { 1302a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numListeners = mUpdateListeners.size(); 1303a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numListeners; ++i) { 1304a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.get(i).onAnimationUpdate(this); 1305a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1306a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1307a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1308a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1309a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1310a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public ValueAnimator clone() { 1311a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase final ValueAnimator anim = (ValueAnimator) super.clone(); 1312a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners != null) { 1313d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar anim.mUpdateListeners = new ArrayList<AnimatorUpdateListener>(mUpdateListeners); 1314a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 13150d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase anim.mSeekFraction = -1; 1316a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mPlayingBackwards = false; 1317a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mCurrentIteration = 0; 1318a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mInitialized = false; 1319a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mPlayingState = STOPPED; 1320a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mStartedDelay = false; 1321a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder[] oldValues = mValues; 1322a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (oldValues != null) { 1323a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = oldValues.length; 1324a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mValues = new PropertyValuesHolder[numValues]; 1325a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mValuesMap = new HashMap<String, PropertyValuesHolder>(numValues); 1326a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 1327d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase PropertyValuesHolder newValuesHolder = oldValues[i].clone(); 1328d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase anim.mValues[i] = newValuesHolder; 1329d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase anim.mValuesMap.put(newValuesHolder.getPropertyName(), newValuesHolder); 1330a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1331a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1332a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return anim; 1333a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1334a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1335a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1336a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Implementors of this interface can add themselves as update listeners 1337a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to an <code>ValueAnimator</code> instance to receive callbacks on every animation 1338a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frame, after the current frame's values have been calculated for that 1339a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>ValueAnimator</code>. 1340a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1341a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static interface AnimatorUpdateListener { 1342a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1343a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Notifies the occurrence of another frame of the animation.</p> 1344a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1345a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param animation The animation which was repeated. 1346a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1347a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void onAnimationUpdate(ValueAnimator animation); 1348a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1349a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1350599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick 1351599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick /** 1352599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * Return the number of animations currently running. 1353599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * 13549c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * Used by StrictMode internally to annotate violations. 13559c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * May be called on arbitrary threads! 1356599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * 1357599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * @hide 1358599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick */ 1359599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick public static int getCurrentAnimationsCount() { 13609c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 13619c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown return handler != null ? handler.mAnimations.size() : 0; 1362599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick } 13638901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy 13648901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy /** 13658901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * Clear all animations on this thread, without canceling or ending them. 13668901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * This should be used with caution. 13678901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * 13688901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * @hide 13698901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy */ 13708901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy public static void clearAllAnimations() { 13719c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 13729c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (handler != null) { 13739c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.clear(); 13749c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mPendingAnimations.clear(); 13759c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mDelayedAnims.clear(); 13769c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 13779c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 13789c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 137918772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy private static AnimationHandler getOrCreateAnimationHandler() { 13809c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 13819c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (handler == null) { 13829c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler = new AnimationHandler(); 13839c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown sAnimationHandler.set(handler); 13849c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 13859c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown return handler; 13868901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy } 1387e9140a72b1059574046a624b471b2c3a35806496Chet Haase 1388e9140a72b1059574046a624b471b2c3a35806496Chet Haase @Override 1389e9140a72b1059574046a624b471b2c3a35806496Chet Haase public String toString() { 1390e9140a72b1059574046a624b471b2c3a35806496Chet Haase String returnVal = "ValueAnimator@" + Integer.toHexString(hashCode()); 1391e9140a72b1059574046a624b471b2c3a35806496Chet Haase if (mValues != null) { 1392e9140a72b1059574046a624b471b2c3a35806496Chet Haase for (int i = 0; i < mValues.length; ++i) { 1393e9140a72b1059574046a624b471b2c3a35806496Chet Haase returnVal += "\n " + mValues[i].toString(); 1394e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1395e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1396e9140a72b1059574046a624b471b2c3a35806496Chet Haase return returnVal; 1397e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1398d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck 1399d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck /** 1400d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <p>Whether or not the ValueAnimator is allowed to run asynchronously off of 1401d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * the UI thread. This is a hint that informs the ValueAnimator that it is 1402d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * OK to run the animation off-thread, however ValueAnimator may decide 1403d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * that it must run the animation on the UI thread anyway. For example if there 1404d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * is an {@link AnimatorUpdateListener} the animation will run on the UI thread, 1405d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * regardless of the value of this hint.</p> 1406d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * 1407d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <p>Regardless of whether or not the animation runs asynchronously, all 1408d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * listener callbacks will be called on the UI thread.</p> 1409d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * 1410d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <p>To be able to use this hint the following must be true:</p> 1411d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <ol> 1412d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>{@link #getAnimatedFraction()} is not needed (it will return undefined values).</li> 1413d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>The animator is immutable while {@link #isStarted()} is true. Requests 1414d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * to change values, duration, delay, etc... may be ignored.</li> 1415d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>Lifecycle callback events may be asynchronous. Events such as 1416d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * {@link Animator.AnimatorListener#onAnimationEnd(Animator)} or 1417d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * {@link Animator.AnimatorListener#onAnimationRepeat(Animator)} may end up delayed 1418d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * as they must be posted back to the UI thread, and any actions performed 1419d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * by those callbacks (such as starting new animations) will not happen 1420d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * in the same frame.</li> 1421d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>State change requests ({@link #cancel()}, {@link #end()}, {@link #reverse()}, etc...) 1422d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * may be asynchronous. It is guaranteed that all state changes that are 1423d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * performed on the UI thread in the same frame will be applied as a single 1424d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * atomic update, however that frame may be the current frame, 1425d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * the next frame, or some future frame. This will also impact the observed 1426d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * state of the Animator. For example, {@link #isStarted()} may still return true 1427d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * after a call to {@link #end()}. Using the lifecycle callbacks is preferred over 1428d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * queries to {@link #isStarted()}, {@link #isRunning()}, and {@link #isPaused()} 1429d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * for this reason.</li> 1430d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * </ol> 1431d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * @hide 1432d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck */ 1433c01bd1167a1b08d59557f214ddc48cf24d3b8d0aJohn Reck @Override 1434d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck public void setAllowRunningAsynchronously(boolean mayRunAsync) { 1435d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck // It is up to subclasses to support this, if they can. 1436d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck } 1437599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick} 1438