ValueAnimator.java revision 5a5afe010d2f8fb7e8f00858b8a305b4745c0469
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 /** 117f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * Flag to indicate whether this animator is playing in reverse mode, specifically 118f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * by being started or interrupted by a call to reverse(). This flag is different than 119f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * mPlayingBackwards, which indicates merely whether the current iteration of the 120f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * animator is playing in reverse. It is used in corner cases to determine proper end 121f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * behavior. 122f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase */ 123f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase private boolean mReversing; 124f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase 125f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase /** 126a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This variable tracks the current iteration that is playing. When mCurrentIteration exceeds the 127a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * repeatCount (if repeatCount!=INFINITE), the animation ends 128a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 129a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mCurrentIteration = 0; 130a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 131a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 132a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * Tracks current elapsed/eased fraction, for querying in getAnimatedFraction(). 133a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase */ 134a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase private float mCurrentFraction = 0f; 135a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase 136a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase /** 137a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Tracks whether a startDelay'd animation has begun playing through the startDelay. 138a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 139a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean mStartedDelay = false; 140a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 141a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 142a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Tracks the time at which the animation began playing through its startDelay. This is 143a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * different from the mStartTime variable, which is used to track when the animation became 144a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * active (which is when the startDelay expired and the animation was added to the active 145a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animations list). 146a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 147a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private long mDelayStartTime; 148a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 149a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 150a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Flag that represents the current state of the animation. Used to figure out when to start 151a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * an animation (if state == STOPPED). Also used to end an animation that 152a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * has been cancel()'d or end()'d since the last animation frame. Possible values are 153e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase * STOPPED, RUNNING, SEEKED. 154a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 155051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase int mPlayingState = STOPPED; 156a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 157a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 158b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * Additional playing state to indicate whether an animator has been start()'d. There is 159b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * some lag between a call to start() and the first animation frame. We should still note 160b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * that the animation has been started, even if it's first animation frame has not yet 161b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * happened, and reflect that state in isRunning(). 162b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * Note that delayed animations are different: they are not started until their first 163b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * animation frame, which occurs after their delay elapses. 164b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase */ 1658b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase private boolean mRunning = false; 1668b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase 1678b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase /** 1688b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * Additional playing state to indicate whether an animator has been start()'d, whether or 1698b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * not there is a nonzero startDelay. 1708b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase */ 171b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase private boolean mStarted = false; 172b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase 173b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase /** 1748aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * Tracks whether we've notified listeners of the onAnimationStart() event. This can be 17517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase * complex to keep track of since we notify listeners at different times depending on 17617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase * startDelay and whether start() was called before end(). 17717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase */ 17817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase private boolean mStartListenersCalled = false; 17917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase 18017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase /** 181a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Flag that denotes whether the animation is set up and ready to go. Used to 182a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * set up animation that has not yet been started. 183a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 184a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase boolean mInitialized = false; 185a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 186a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // 187a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Backing variables 188a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // 189a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 190a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // How long the animation should last in ms 191c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase private long mDuration = (long)(300 * sDurationScale); 192d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase private long mUnscaledDuration = 300; 193a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 194a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The amount of time in ms to delay starting the animation after start() is called 195a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private long mStartDelay = 0; 196d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase private long mUnscaledStartDelay = 0; 197a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 198a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The number of times the animation will repeat. The default is 0, which means the animation 199a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // will play only once 200a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mRepeatCount = 0; 201a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 202a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 203a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The type of repetition that will occur when repeatMode is nonzero. RESTART means the 204a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation will start from the beginning on every new cycle. REVERSE means the animation 205a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will reverse directions on each iteration. 206a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 207a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mRepeatMode = RESTART; 208a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 209a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 210a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The time interpolator to be used. The elapsed fraction of the animation will be passed 211a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * through this interpolator to calculate the interpolated fraction, which is then used to 212a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * calculate the animated values. 213a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 214e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase private TimeInterpolator mInterpolator = sDefaultInterpolator; 215a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 216a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 217a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The set of listeners to be sent events through the life of an animation. 218a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 219d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck ArrayList<AnimatorUpdateListener> mUpdateListeners = null; 220a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 221a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 222a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The property/value sets being animated. 223a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 224a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder[] mValues; 225a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 226a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 227a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * A hashmap of the PropertyValuesHolder objects. This map is used to lookup animated values 228a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * by property name during calls to getAnimatedValue(String). 229a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 230a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase HashMap<String, PropertyValuesHolder> mValuesMap; 231a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 232a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 233a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Public constants 234a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 235a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 236a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 237a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * When the animation reaches the end and <code>repeatCount</code> is INFINITE 238a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * or a positive value, the animation restarts from the beginning. 239a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 240a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int RESTART = 1; 241a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 242a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * When the animation reaches the end and <code>repeatCount</code> is INFINITE 243a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * or a positive value, the animation reverses direction on every iteration. 244a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 245a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int REVERSE = 2; 246a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 247a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This value used used with the {@link #setRepeatCount(int)} property to repeat 248a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the animation indefinitely. 249a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 250a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int INFINITE = -1; 251a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 252c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase 253c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase /** 254c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase * @hide 255c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase */ 256c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase public static void setDurationScale(float durationScale) { 257c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase sDurationScale = durationScale; 258c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase } 259c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase 260a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 261ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown * @hide 262ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown */ 263ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown public static float getDurationScale() { 264ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown return sDurationScale; 265ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown } 266ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown 267ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown /** 268a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Creates a new ValueAnimator object. This default constructor is primarily for 2692794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * use internally; the factory methods which take parameters are more generally 270a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * useful. 271a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 272a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public ValueAnimator() { 273a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 274a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 275a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 2762794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between int values. A single 2772794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 2782794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 2792794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 2802794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 2812794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 282a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 2832794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 2842794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 28541f041d9986f8a5d45b6cb0b86e881c81a412168Chet Haase */ 2862794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofInt(int... values) { 2872794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 2882794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setIntValues(values); 2892794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 2902794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 2912794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 2922794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 2931ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * Constructs and returns a ValueAnimator that animates between color values. A single 2941ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * value implies that that value is the one being animated to. However, this is not typically 2951ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * useful in a ValueAnimator object because there is no way for the object to determine the 2961ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * starting value for the animation (unlike ObjectAnimator, which can derive that value 2971ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * from the target object and property being animated). Therefore, there should typically 2981ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * be two or more values. 2991ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * 3001ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * @param values A set of values that the animation will animate between over time. 3011ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * @return A ValueAnimator object that is set up to animate between the given values. 3021ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount */ 3031ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount public static ValueAnimator ofArgb(int... values) { 3041ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount ValueAnimator anim = new ValueAnimator(); 3051ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount anim.setIntValues(values); 3061ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount anim.setEvaluator(ArgbEvaluator.getInstance()); 3071ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount return anim; 3081ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount } 3091ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount 3101ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount /** 3112794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between float values. A single 3122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3142794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3152794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3162794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3172794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3182794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3192794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3202794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3212794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofFloat(float... values) { 3222794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3232794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setFloatValues(values); 3242794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3252794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3262794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3272794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3282794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between the values 3292794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * specified in the PropertyValuesHolder objects. 3302794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3312794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of PropertyValuesHolder objects whose values will be animated 3322794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * between over time. 3332794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3342794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3352794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofPropertyValuesHolder(PropertyValuesHolder... values) { 3362794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3372794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setValues(values); 3382794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3392794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3402794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3412794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between Object values. A single 3422794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3432794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3442794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3452794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3462794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3472794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3482794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>Since ValueAnimator does not know how to animate between arbitrary Objects, this 3492794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * factory method also takes a TypeEvaluator object that the ValueAnimator will use 3502794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * to perform that interpolation. 3512794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3522794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param evaluator A TypeEvaluator that will be called on each animation frame to 3532794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * provide the ncessry interpolation between the Object values to derive the animated 3542794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value. 3552794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3562794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3572794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3582794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofObject(TypeEvaluator evaluator, Object... values) { 3592794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3602794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setObjectValues(values); 3612794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setEvaluator(evaluator); 3622794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3632794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3642794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3652794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3662794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets int values that will be animated between. A single 3672794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3682794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3692794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3702794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3712794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3722794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3732794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 3742794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 3752794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 3762794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3772794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3782794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3792794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setIntValues(int... values) { 3802794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 3812794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 3822794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3832794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 38418772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofInt("", values)); 3852794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 3862794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 3872794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setIntValues(values); 3882794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3892794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 3902794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 3912794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3922794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3932794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3942794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets float values that will be animated between. A single 3952794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3962794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3972794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3982794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3992794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 4002794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4012794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 4022794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 4032794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 4042794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4052794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 4062794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 4072794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setFloatValues(float... values) { 4082794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 4092794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 41041f041d9986f8a5d45b6cb0b86e881c81a412168Chet Haase } 4112794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 41218772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofFloat("", values)); 4132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 4142794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 4152794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setFloatValues(values); 4162794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4172794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 4182794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 4192794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4202794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 4212794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 4222794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets the values to animate between for this animation. A single 4232794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 4242794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 4252794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 4262794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 4272794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 4282794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4292794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 4302794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 4312794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 4322794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4332794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>There should be a TypeEvaluator set on the ValueAnimator that knows how to interpolate 4342794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * between these value objects. ValueAnimator only knows how to interpolate between the 4352794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * primitive types specified in the other setValues() methods.</p> 4362794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4372794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values The set of values to animate between. 4382794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 4392794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setObjectValues(Object... values) { 4402794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 4412794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 4422794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4432794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 44418772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofObject("", null, values)); 4452794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 4462794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 4472794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setObjectValues(values); 4482794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4492794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 4502794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 451a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 452a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 453a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 454a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets the values, per property, being animated between. This function is called internally 455f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa * by the constructors of ValueAnimator that take a list of values. But a ValueAnimator can 456a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * be constructed without values and this method can be called to set the values manually 457a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * instead. 458a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 459a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param values The set of values, per property, being animated between. 460a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 461a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setValues(PropertyValuesHolder... values) { 462a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = values.length; 463a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues = values; 464a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValuesMap = new HashMap<String, PropertyValuesHolder>(numValues); 465a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 46618772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy PropertyValuesHolder valuesHolder = values[i]; 467a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValuesMap.put(valuesHolder.getPropertyName(), valuesHolder); 468a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 4690e0590bf3cb32e73f423c0fe39a180d4b3c4343dChet Haase // New property/values/target should cause re-initialization prior to starting 4700e0590bf3cb32e73f423c0fe39a180d4b3c4343dChet Haase mInitialized = false; 471a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 472a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 473a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 474a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Returns the values that this ValueAnimator animates between. These values are stored in 475a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * PropertyValuesHolder objects, even if the ValueAnimator was created with a simple list 476a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of value objects instead. 477a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 478a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return PropertyValuesHolder[] An array of PropertyValuesHolder objects which hold the 479a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * values, per property, that define the animation. 480a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 481a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public PropertyValuesHolder[] getValues() { 482a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mValues; 483a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 484a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 485a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 486a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This function is called immediately before processing the first animation 487a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frame of an animation. If there is a nonzero <code>startDelay</code>, the 488a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function is called after that delay ends. 489a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * It takes care of the final initialization steps for the 490a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation. 491a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 492a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Overrides of this method should call the superclass method to ensure 493a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * that internal mechanisms for the animation are set up correctly.</p> 494a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 495a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void initAnimation() { 496a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mInitialized) { 497a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = mValues.length; 498a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 499a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[i].init(); 500a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 501a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mInitialized = true; 502a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 503a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 504a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 505a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 506a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 5072794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets the length of the animation. The default duration is 300 milliseconds. 508a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 50927c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * @param duration The length of the animation, in milliseconds. This value cannot 51027c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * be negative. 5112794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return ValueAnimator The object called with setDuration(). This return 5122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value makes it easier to compose statements together that construct and then set the 5132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * duration, as in <code>ValueAnimator.ofInt(0, 10).setDuration(500).start()</code>. 514a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 5152794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public ValueAnimator setDuration(long duration) { 51627c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase if (duration < 0) { 51727c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase throw new IllegalArgumentException("Animators cannot have negative duration: " + 51827c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase duration); 51927c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase } 520d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mUnscaledDuration = duration; 5217a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown updateScaledDuration(); 5222794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return this; 523a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 524a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 5257a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown private void updateScaledDuration() { 5267a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown mDuration = (long)(mUnscaledDuration * sDurationScale); 5277a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown } 5287a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown 529a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 5302794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Gets the length of the animation. The default duration is 300 milliseconds. 531a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 532a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The length of the animation, in milliseconds. 533a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 534a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getDuration() { 535d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase return mUnscaledDuration; 536a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 537a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 538a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 539a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets the position of the animation to the specified point in time. This time should 540a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * be between 0 and the total duration of the animation, including any repetition. If 541a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the animation has not yet been started, then it will not advance forward after it is 542a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * set to this time; it will simply set the time to this value and perform any appropriate 543a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * actions based on that time. If the animation is already running, then setCurrentPlayTime() 544a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will set the current playing time to this value and continue playing from that point. 545a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 546a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param playTime The time, in milliseconds, to which the animation is advanced or rewound. 547a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 548a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setCurrentPlayTime(long playTime) { 5495a25e5bae223bbee56dab75e36d1d947c8c3cb11Chet Haase float fraction = mUnscaledDuration > 0 ? (float) playTime / mUnscaledDuration : 1; 5500d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase setCurrentFraction(fraction); 5510d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase } 5520d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase 5530d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase /** 5540d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * Sets the position of the animation to the specified fraction. This fraction should 5550d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * be between 0 and the total fraction of the animation, including any repetition. That is, 5560d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * a fraction of 0 will position the animation at the beginning, a value of 1 at the end, 557f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * and a value of 2 at the end of a reversing animator that repeats once. If 5580d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * the animation has not yet been started, then it will not advance forward after it is 5590d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * set to this fraction; it will simply set the fraction to this value and perform any 5600d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * appropriate actions based on that fraction. If the animation is already running, then 5610d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * setCurrentFraction() will set the current fraction to this value and continue 5625a5afe010d2f8fb7e8f00858b8a305b4745c0469Eino-Ville Talvala * playing from that point. {@link Animator.AnimatorListener} events are not called 563f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * due to changing the fraction; those events are only processed while the animation 564f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * is running. 5650d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * 566f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * @param fraction The fraction to which the animation is advanced or rewound. Values 567f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * outside the range of 0 to the maximum fraction for the animator will be clamped to 568f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * the correct range. 5690d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase */ 5700d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase public void setCurrentFraction(float fraction) { 571a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase initAnimation(); 572f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (fraction < 0) { 573f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase fraction = 0; 574f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 575f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase int iteration = (int) fraction; 576f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (fraction == 1) { 577f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase iteration -= 1; 578f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else if (fraction > 1) { 579f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (iteration < (mRepeatCount + 1) || mRepeatCount == INFINITE) { 580f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (mRepeatMode == REVERSE) { 581f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mPlayingBackwards = (iteration % 2) != 0; 582f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 583f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase fraction = fraction % 1f; 584f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else { 585f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase fraction = 1; 586f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase iteration -= 1; 587f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 588f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else { 589f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mPlayingBackwards = mReversing; 590f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 591f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mCurrentIteration = iteration; 592f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase long seekTime = (long) (mDuration * fraction); 593f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase long currentTime = AnimationUtils.currentAnimationTimeMillis(); 594f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mStartTime = currentTime - seekTime; 595a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingState != RUNNING) { 5960d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase mSeekFraction = fraction; 597a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = SEEKED; 598a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 599f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (mPlayingBackwards) { 600f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase fraction = 1f - fraction; 601f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 6020d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase animateValue(fraction); 603a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 604a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 605a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 606a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Gets the current position of the animation in time, which is equal to the current 607a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * time minus the time that the animation started. An animation that is not yet started will 608a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * return a value of zero. 609a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 610a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The current position in time of the animation. 611a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 612a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getCurrentPlayTime() { 613a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mInitialized || mPlayingState == STOPPED) { 614a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return 0; 615a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 616a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return AnimationUtils.currentAnimationTimeMillis() - mStartTime; 617a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 618a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 619a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 620a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This custom, static handler handles the timing pulse that is shared by 621a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * all active animations. This approach ensures that the setting of animation 622a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * values will happen on the UI thread and that all animations will share 623a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the same times for calculating their values, which makes synchronizing 624a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animations possible. 625a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 62620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * The handler uses the Choreographer for executing periodic callbacks. 627be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * 628be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 629a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 63018772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy @SuppressWarnings("unchecked") 631be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected static class AnimationHandler implements Runnable { 6329c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown // The per-thread list of all active animations 633be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** @hide */ 634be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mAnimations = new ArrayList<ValueAnimator>(); 6359c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 6362936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase // Used in doAnimationFrame() to avoid concurrent modifications of mAnimations 6372936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase private final ArrayList<ValueAnimator> mTmpAnimations = new ArrayList<ValueAnimator>(); 6382936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase 6399c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown // The per-thread set of animations to be started on the next animation frame 640be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** @hide */ 641be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mPendingAnimations = new ArrayList<ValueAnimator>(); 6429c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 6439c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown /** 6449c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * Internal per-thread collections used to avoid set collisions as animations start and end 6459c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * while being processed. 646be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 6479c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown */ 648be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mDelayedAnims = new ArrayList<ValueAnimator>(); 6499c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private final ArrayList<ValueAnimator> mEndingAnims = new ArrayList<ValueAnimator>(); 6509c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private final ArrayList<ValueAnimator> mReadyAnims = new ArrayList<ValueAnimator>(); 6519c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 65296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown private final Choreographer mChoreographer; 6534a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown private boolean mAnimationScheduled; 65496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 65596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown private AnimationHandler() { 65696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mChoreographer = Choreographer.getInstance(); 65796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 65896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 659a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 66020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * Start animating on the next frame. 661a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 66220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown public void start() { 66320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown scheduleAnimation(); 66496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 665a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 66620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown private void doAnimationFrame(long frameTime) { 66796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // mPendingAnimations holds any animations that have requested to be started 66896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // We're going to clear mPendingAnimations, but starting animation may 66996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // cause more to be added to the pending list (for example, if one animation 67096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // starting triggers another starting). So we loop until mPendingAnimations 67196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // is empty. 67296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown while (mPendingAnimations.size() > 0) { 67396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ArrayList<ValueAnimator> pendingCopy = 67496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown (ArrayList<ValueAnimator>) mPendingAnimations.clone(); 67596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mPendingAnimations.clear(); 67696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int count = pendingCopy.size(); 67796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < count; ++i) { 67896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = pendingCopy.get(i); 67996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // If the animation has a startDelay, place it on the delayed list 68096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (anim.mStartDelay == 0) { 68196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.startAnimation(this); 68296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } else { 68396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mDelayedAnims.add(anim); 684a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 68596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 68696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 687c6ffab32415a58bbb010dcd115684f9dbc249710Chet Haase // Next, process animations currently sitting on the delayed queue, adding 68896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // them to the active animations if they are ready 68996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numDelayedAnims = mDelayedAnims.size(); 69096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < numDelayedAnims; ++i) { 69196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = mDelayedAnims.get(i); 69220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (anim.delayedAnimationFrame(frameTime)) { 69396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mReadyAnims.add(anim); 69496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 69596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 69696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numReadyAnims = mReadyAnims.size(); 69796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (numReadyAnims > 0) { 69896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < numReadyAnims; ++i) { 69996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = mReadyAnims.get(i); 70096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.startAnimation(this); 70196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.mRunning = true; 70296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mDelayedAnims.remove(anim); 70396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 70496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mReadyAnims.clear(); 70596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 70696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 70796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // Now process all active animations. The return value from animationFrame() 70896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // tells the handler whether it should now be ended 70996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numAnims = mAnimations.size(); 7102936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < numAnims; ++i) { 7112936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase mTmpAnimations.add(mAnimations.get(i)); 7122936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase } 7132936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < numAnims; ++i) { 7142936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase ValueAnimator anim = mTmpAnimations.get(i); 7152936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase if (mAnimations.contains(anim) && anim.doAnimationFrame(frameTime)) { 71696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.add(anim); 71796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 71896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 7192936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase mTmpAnimations.clear(); 72096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (mEndingAnims.size() > 0) { 7212936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < mEndingAnims.size(); ++i) { 72296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.get(i).endAnimation(this); 72396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 72496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.clear(); 72596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 72696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 72796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // If there are still active or delayed animations, schedule a future call to 72896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // onAnimate to process the next frame of the animations. 72920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (!mAnimations.isEmpty() || !mDelayedAnims.isEmpty()) { 73020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown scheduleAnimation(); 731a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 732a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 73396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 7344a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown // Called by the Choreographer. 73596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown @Override 7364a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown public void run() { 7374a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown mAnimationScheduled = false; 73820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown doAnimationFrame(mChoreographer.getFrameTime()); 73920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 74020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown 74120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown private void scheduleAnimation() { 74220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (!mAnimationScheduled) { 74320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mChoreographer.postCallback(Choreographer.CALLBACK_ANIMATION, this, null); 74420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mAnimationScheduled = true; 74520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 74696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 747a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 748a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 749a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 750a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, to delay starting the animation after 751a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link #start()} is called. 752a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 753a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the number of milliseconds to delay running the animation 754a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 755a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getStartDelay() { 756d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase return mUnscaledStartDelay; 757a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 758a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 759a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 760a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, to delay starting the animation after 761a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link #start()} is called. 762a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 763a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param startDelay The amount of the delay, in milliseconds 764a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 765a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setStartDelay(long startDelay) { 766d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase this.mStartDelay = (long)(startDelay * sDurationScale); 767d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mUnscaledStartDelay = startDelay; 768a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 769a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 770a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 771a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, between each frame of the animation. This is a 772a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * requested time that the animation will attempt to honor, but the actual delay between 773a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frames may be different, depending on system load and capabilities. This is a static 774a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function because the same delay will be applied to all animations, since they are all 775a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * run off of a single timing loop. 776a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 77796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * The frame delay may be ignored when the animation system uses an external timing 77896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * source, such as the display refresh rate (vsync), to govern animations. 77996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * 780a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the requested time between frames, in milliseconds 781a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 782a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static long getFrameDelay() { 78396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown return Choreographer.getFrameDelay(); 784a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 785a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 786a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 787a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, between each frame of the animation. This is a 788a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * requested time that the animation will attempt to honor, but the actual delay between 789a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frames may be different, depending on system load and capabilities. This is a static 790a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function because the same delay will be applied to all animations, since they are all 791a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * run off of a single timing loop. 792a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 79396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * The frame delay may be ignored when the animation system uses an external timing 79496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * source, such as the display refresh rate (vsync), to govern animations. 79596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * 796a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param frameDelay the requested time between frames, in milliseconds 797a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 798a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static void setFrameDelay(long frameDelay) { 79996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown Choreographer.setFrameDelay(frameDelay); 800a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 801a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 802a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 803a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The most recent value calculated by this <code>ValueAnimator</code> when there is just one 804a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * property being animated. This value is only sensible while the animation is running. The main 805a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * purpose for this read-only property is to retrieve the value from the <code>ValueAnimator</code> 806a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * during a call to {@link AnimatorUpdateListener#onAnimationUpdate(ValueAnimator)}, which 807a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is called during each animation frame, immediately after the value is calculated. 808a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 809a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return animatedValue The value most recently calculated by this <code>ValueAnimator</code> for 810a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the single property being animated. If there are several properties being animated 811a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * (specified by several PropertyValuesHolder objects in the constructor), this function 812a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * returns the animated value for the first of those objects. 813a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 814a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Object getAnimatedValue() { 815a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mValues != null && mValues.length > 0) { 816a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mValues[0].getAnimatedValue(); 817a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 818a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Shouldn't get here; should always have values unless ValueAnimator was set up wrong 819a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return null; 820a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 821a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 822a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 823a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The most recent value calculated by this <code>ValueAnimator</code> for <code>propertyName</code>. 824a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The main purpose for this read-only property is to retrieve the value from the 825a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>ValueAnimator</code> during a call to 826a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorUpdateListener#onAnimationUpdate(ValueAnimator)}, which 827a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is called during each animation frame, immediately after the value is calculated. 828a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 829a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return animatedValue The value most recently calculated for the named property 830a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * by this <code>ValueAnimator</code>. 831a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 832a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Object getAnimatedValue(String propertyName) { 833a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder valuesHolder = mValuesMap.get(propertyName); 834a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (valuesHolder != null) { 835a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return valuesHolder.getAnimatedValue(); 836a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 837a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // At least avoid crashing if called with bogus propertyName 838a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return null; 839a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 840a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 841a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 842a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 843a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets how many times the animation should be repeated. If the repeat 844a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * count is 0, the animation is never repeated. If the repeat count is 845a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * greater than 0 or {@link #INFINITE}, the repeat mode will be taken 846a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * into account. The repeat count is 0 by default. 847a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 848a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value the number of times the animation should be repeated 849a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 850a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setRepeatCount(int value) { 851a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mRepeatCount = value; 852a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 853a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 854a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines how many times the animation should repeat. The default value 855a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is 0. 856a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 857a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the number of times the animation should repeat, or {@link #INFINITE} 858a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 859a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public int getRepeatCount() { 860a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mRepeatCount; 861a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 862a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 863a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 864a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines what this animation should do when it reaches the end. This 865a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * setting is applied only when the repeat count is either greater than 866a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 0 or {@link #INFINITE}. Defaults to {@link #RESTART}. 867a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 868a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value {@link #RESTART} or {@link #REVERSE} 869a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 870a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setRepeatMode(int value) { 871a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mRepeatMode = value; 872a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 873a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 874a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 875a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines what this animation should do when it reaches the end. 876a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 877a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return either one of {@link #REVERSE} or {@link #RESTART} 878a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 879a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public int getRepeatMode() { 880a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mRepeatMode; 881a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 882a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 883a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 884a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Adds a listener to the set of listeners that are sent update events through the life of 885a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * an animation. This method is called on all listeners for every frame of the animation, 886a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * after the values for the animation have been calculated. 887a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 888a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param listener the listener to be added to the current set of listeners for this animation. 889a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 890a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void addUpdateListener(AnimatorUpdateListener listener) { 891a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners == null) { 892a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners = new ArrayList<AnimatorUpdateListener>(); 893a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 894a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.add(listener); 895a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 896a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 897a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 8983060421045d4d9e411797f91bb509824b03e33fbJim Miller * Removes all listeners from the set listening to frame updates for this animation. 8993060421045d4d9e411797f91bb509824b03e33fbJim Miller */ 9003060421045d4d9e411797f91bb509824b03e33fbJim Miller public void removeAllUpdateListeners() { 9013060421045d4d9e411797f91bb509824b03e33fbJim Miller if (mUpdateListeners == null) { 9023060421045d4d9e411797f91bb509824b03e33fbJim Miller return; 9033060421045d4d9e411797f91bb509824b03e33fbJim Miller } 9043060421045d4d9e411797f91bb509824b03e33fbJim Miller mUpdateListeners.clear(); 9053060421045d4d9e411797f91bb509824b03e33fbJim Miller mUpdateListeners = null; 9063060421045d4d9e411797f91bb509824b03e33fbJim Miller } 9073060421045d4d9e411797f91bb509824b03e33fbJim Miller 9083060421045d4d9e411797f91bb509824b03e33fbJim Miller /** 909a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Removes a listener from the set listening to frame updates for this animation. 910a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 911a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param listener the listener to be removed from the current set of update listeners 912a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * for this animation. 913a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 914a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void removeUpdateListener(AnimatorUpdateListener listener) { 915a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners == null) { 916a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return; 917a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 918a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.remove(listener); 919a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners.size() == 0) { 920a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners = null; 921a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 922a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 923a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 924a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 925a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 926a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The time interpolator used in calculating the elapsed fraction of this animation. The 927a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * interpolator determines whether the animation runs with linear or non-linear motion, 928a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * such as acceleration and deceleration. The default value is 929a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link android.view.animation.AccelerateDecelerateInterpolator} 930a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 93127c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * @param value the interpolator to be used by this animation. A value of <code>null</code> 93227c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * will result in linear interpolation. 933a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 934a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 935e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase public void setInterpolator(TimeInterpolator value) { 936a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (value != null) { 937a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mInterpolator = value; 93827c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase } else { 93927c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase mInterpolator = new LinearInterpolator(); 940a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 941a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 942a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 943a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 944a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Returns the timing interpolator that this ValueAnimator uses. 945a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 946a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The timing interpolator for this ValueAnimator. 947a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 948430742f09063574271e6c4091de13b9b9e762514Chet Haase @Override 949e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase public TimeInterpolator getInterpolator() { 950a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mInterpolator; 951a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 952a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 953a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 954a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The type evaluator to be used when calculating the animated values of this animation. 955b2ab04ffb6894f399d5c9ceb15f64eb17b654426Chet Haase * The system will automatically assign a float or int evaluator based on the type 956a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of <code>startValue</code> and <code>endValue</code> in the constructor. But if these values 957a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * are not one of these primitive types, or if different evaluation is desired (such as is 958a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * necessary with int values that represent colors), a custom evaluator needs to be assigned. 95953ee3316bcb3590ff156b3fd7108903c0817c35dChet Haase * For example, when running an animation on color values, the {@link ArgbEvaluator} 960a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be used to get correct RGB color interpolation. 961a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 962a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>If this ValueAnimator has only one set of values being animated between, this evaluator 963a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will be used for that set. If there are several sets of values being animated, which is 964fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase * the case if PropertyValuesHolder objects were set on the ValueAnimator, then the evaluator 965a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is assigned just to the first PropertyValuesHolder object.</p> 966a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 967a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value the evaluator to be used this animation 968a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 969a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setEvaluator(TypeEvaluator value) { 970a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (value != null && mValues != null && mValues.length > 0) { 971a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[0].setEvaluator(value); 972a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 973a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 974a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 97517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase private void notifyStartListeners() { 97617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (mListeners != null && !mStartListenersCalled) { 97717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase ArrayList<AnimatorListener> tmpListeners = 97817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 97917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase int numListeners = tmpListeners.size(); 98017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase for (int i = 0; i < numListeners; ++i) { 98117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase tmpListeners.get(i).onAnimationStart(this); 98217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 98317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 98417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStartListenersCalled = true; 98517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 98617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase 987a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 988a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Start the animation playing. This version of start() takes a boolean flag that indicates 989a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * whether the animation should play in reverse. The flag is usually false, but may be set 9902970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * to true if called from the reverse() method. 9912970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * 9922970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * <p>The animation started by calling this method will be run on the thread that called 9932970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * this method. This thread should have a Looper on it (a runtime exception will be thrown if 9942970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * this is not the case). Also, if the animation will animate 9952970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * properties of objects in the view hierarchy, then the calling thread should be the UI 9962970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * thread for that view hierarchy.</p> 997a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 998a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param playBackwards Whether the ValueAnimator should start playing in reverse. 999a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1000a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private void start(boolean playBackwards) { 10012970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase if (Looper.myLooper() == null) { 10022970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase throw new AndroidRuntimeException("Animators may only be run on Looper threads"); 10033060421045d4d9e411797f91bb509824b03e33fbJim Miller } 1004f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mReversing = playBackwards; 10052970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase mPlayingBackwards = playBackwards; 1006f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (playBackwards && mSeekFraction != -1) { 1007f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (mSeekFraction == 0 && mCurrentIteration == 0) { 1008f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase // special case: reversing from seek-to-0 should act as if not seeked at all 1009f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mSeekFraction = 0; 1010f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else if (mRepeatCount == INFINITE) { 1011f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mSeekFraction = 1 - (mSeekFraction % 1); 1012f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else { 1013f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mSeekFraction = 1 + mRepeatCount - (mCurrentIteration + mSeekFraction); 1014f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 1015f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mCurrentIteration = (int) mSeekFraction; 1016f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mSeekFraction = mSeekFraction % 1; 1017f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 1018f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (mCurrentIteration > 0 && mRepeatMode == REVERSE && 1019f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase (mCurrentIteration < (mRepeatCount + 1) || mRepeatCount == INFINITE)) { 1020f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase // if we were seeked to some other iteration in a reversing animator, 1021f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase // figure out the correct direction to start playing based on the iteration 1022f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (playBackwards) { 1023f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mPlayingBackwards = (mCurrentIteration % 2) == 0; 1024f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else { 1025f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mPlayingBackwards = (mCurrentIteration % 2) != 0; 1026f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 1027f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 10280d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase int prevPlayingState = mPlayingState; 1029add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mPlayingState = STOPPED; 10308b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mStarted = true; 1031add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mStartedDelay = false; 10328aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPaused = false; 10337a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown updateScaledDuration(); // in case the scale factor has changed since creation time 10349c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler animationHandler = getOrCreateAnimationHandler(); 10359c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown animationHandler.mPendingAnimations.add(this); 10362970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase if (mStartDelay == 0) { 1037add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase // This sets the initial value of the animation, prior to actually starting it running 10380d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase if (prevPlayingState != SEEKED) { 10390d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase setCurrentPlayTime(0); 10400d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase } 1041154f14508a11627d5a995b6fe2a14a83d794a6feChet Haase mPlayingState = STOPPED; 10428b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mRunning = true; 104317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 1044a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 104520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown animationHandler.start(); 1046a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1047a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1048a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1049a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void start() { 1050a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase start(false); 1051a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1052a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1053a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1054a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void cancel() { 10552970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase // Only cancel if the animation is actually running or has been started and is about 10562970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase // to run 10579c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = getOrCreateAnimationHandler(); 10589c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (mPlayingState != STOPPED 10599c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown || handler.mPendingAnimations.contains(this) 10609c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown || handler.mDelayedAnims.contains(this)) { 1061b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase // Only notify listeners if the animator has actually started 106217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if ((mStarted || mRunning) && mListeners != null) { 106317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (!mRunning) { 106417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase // If it's not yet running, then start listeners weren't called. Call them now. 106517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 106617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 10677dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase ArrayList<AnimatorListener> tmpListeners = 10687dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 10697dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (AnimatorListener listener : tmpListeners) { 10707dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase listener.onAnimationCancel(this); 10717dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 10727dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 10739c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown endAnimation(handler); 10742970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase } 1075a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1076a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1077a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1078a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void end() { 10799c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = getOrCreateAnimationHandler(); 10809c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (!handler.mAnimations.contains(this) && !handler.mPendingAnimations.contains(this)) { 1081a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Special case if the animation has not yet started; get it ready for ending 1082a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartedDelay = false; 10839c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown startAnimation(handler); 108417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStarted = true; 1085add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase } else if (!mInitialized) { 1086add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase initAnimation(); 1087e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 10884dd176864310e1d9519bf6b88918913e9927984fChet Haase animateValue(mPlayingBackwards ? 0f : 1f); 10899c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown endAnimation(handler); 1090a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1091a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1092a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 10938aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void resume() { 10948aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 10958aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = true; 10968aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10978aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.resume(); 10988aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 10998aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 11008aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 11018aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void pause() { 11028aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase boolean previouslyPaused = mPaused; 11038aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.pause(); 11048aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (!previouslyPaused && mPaused) { 11058aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = -1; 11068aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 11078aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 11088aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 11098aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 11108aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 1111a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public boolean isRunning() { 11128b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return (mPlayingState == RUNNING || mRunning); 11138b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase } 11148b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase 11158b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase @Override 11168b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase public boolean isStarted() { 11178b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return mStarted; 1118a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1119a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1120a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1121a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Plays the ValueAnimator in reverse. If the animation is already running, 1122a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * it will stop itself and play backwards from the point reached when reverse was called. 1123a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * If the animation is not currently running, then it will start from the end and 1124a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * play backwards. This behavior is only set for the current animation; future playing 1125a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of the animation will use the default behavior of playing forward. 1126a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 11277bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui @Override 1128a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void reverse() { 1129a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingBackwards = !mPlayingBackwards; 1130a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingState == RUNNING) { 1131a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentTime = AnimationUtils.currentAnimationTimeMillis(); 1132a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentPlayTime = currentTime - mStartTime; 1133a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long timeLeft = mDuration - currentPlayTime; 1134a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime = currentTime - timeLeft; 1135f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mReversing = !mReversing; 1136f43fb2a57f152b5760d8792fec26f36d46b23817Chet Haase } else if (mStarted) { 1137f43fb2a57f152b5760d8792fec26f36d46b23817Chet Haase end(); 1138a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 1139a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase start(true); 1140a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1141a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1142a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1143a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 11447bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui * @hide 11457bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui */ 11467bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui @Override 11477bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui public boolean canReverse() { 11487bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui return true; 11497bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui } 11507bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui 11517bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui /** 1152a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Called internally to end an animation by removing it from the animations list. Must be 1153a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * called on the UI thread. 1154d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * @hide 1155a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1156d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck protected void endAnimation(AnimationHandler handler) { 11579c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.remove(this); 11589c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mPendingAnimations.remove(this); 11599c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mDelayedAnims.remove(this); 1160a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = STOPPED; 11618aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPaused = false; 116217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if ((mStarted || mRunning) && mListeners != null) { 116317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (!mRunning) { 116417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase // If it's not yet running, then start listeners weren't called. Call them now. 116517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 116617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 1167a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ArrayList<AnimatorListener> tmpListeners = 1168a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 11697c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numListeners = tmpListeners.size(); 11707c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numListeners; ++i) { 11717c608f25d494c8a0a671e7373efbb47ca635367eChet Haase tmpListeners.get(i).onAnimationEnd(this); 1172a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1173a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 11748b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mRunning = false; 1175b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase mStarted = false; 117617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStartListenersCalled = false; 1177caf46486f54cdc899e383dfc776ec33a81b089a1Chet Haase mPlayingBackwards = false; 1178f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mReversing = false; 1179f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mCurrentIteration = 0; 11809b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) { 11819b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase Trace.asyncTraceEnd(Trace.TRACE_TAG_VIEW, getNameForTrace(), 11829b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase System.identityHashCode(this)); 11839b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase } 1184a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1185a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1186a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1187a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Called internally to start an animation by adding it to the active animations list. Must be 1188a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * called on the UI thread. 1189a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 11909c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private void startAnimation(AnimationHandler handler) { 11919b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) { 11929b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase Trace.asyncTraceBegin(Trace.TRACE_TAG_VIEW, getNameForTrace(), 11939b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase System.identityHashCode(this)); 11949b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase } 1195a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase initAnimation(); 11969c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.add(this); 1197b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase if (mStartDelay > 0 && mListeners != null) { 1198b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase // Listeners were already notified in start() if startDelay is 0; this is 1199b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase // just for delayed animations 120017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 1201a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1202a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1203a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1204a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1205fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase * Returns the name of this animator for debugging purposes. 1206fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase */ 1207fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase String getNameForTrace() { 1208fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase return "animator"; 1209fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase } 1210fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase 1211fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase 1212fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase /** 1213a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Internal function called to process an animation frame on an animation that is currently 1214a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * sleeping through its <code>startDelay</code> phase. The return value indicates whether it 1215a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be woken up and put on the active animations queue. 1216a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1217a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param currentTime The current animation time, used to calculate whether the animation 1218a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * has exceeded its <code>startDelay</code> and should be started. 1219a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return True if the animation's <code>startDelay</code> has been exceeded and the animation 1220a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be added to the set of active animations. 1221a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1222a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean delayedAnimationFrame(long currentTime) { 1223a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mStartedDelay) { 1224a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartedDelay = true; 1225a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mDelayStartTime = currentTime; 12262ed16ac6238227dab2687519268f3683f045e2acGeorge Mount } 12272ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (mPaused) { 12282ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (mPauseTime < 0) { 12292ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mPauseTime = currentTime; 12308aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 12312ed16ac6238227dab2687519268f3683f045e2acGeorge Mount return false; 12322ed16ac6238227dab2687519268f3683f045e2acGeorge Mount } else if (mResumed) { 12332ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mResumed = false; 12342ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (mPauseTime > 0) { 12352ed16ac6238227dab2687519268f3683f045e2acGeorge Mount // Offset by the duration that the animation was paused 12362ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mDelayStartTime += (currentTime - mPauseTime); 1237a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1238a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 12392ed16ac6238227dab2687519268f3683f045e2acGeorge Mount long deltaTime = currentTime - mDelayStartTime; 12402ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (deltaTime > mStartDelay) { 12412ed16ac6238227dab2687519268f3683f045e2acGeorge Mount // startDelay ended - start the anim and record the 12422ed16ac6238227dab2687519268f3683f045e2acGeorge Mount // mStartTime appropriately 12432ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mStartTime = currentTime - (deltaTime - mStartDelay); 12442ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mPlayingState = RUNNING; 12452ed16ac6238227dab2687519268f3683f045e2acGeorge Mount return true; 12462ed16ac6238227dab2687519268f3683f045e2acGeorge Mount } 1247a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return false; 1248a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1249a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1250a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1251a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This internal function processes a single animation frame for a given animation. The 1252a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * currentTime parameter is the timing pulse sent by the handler, used to calculate the 1253a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * elapsed duration, and therefore 1254a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the elapsed fraction, of the animation. The return value indicates whether the animation 1255a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be ended (which happens when the elapsed time of the animation exceeds the 1256a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation's duration, including the repeatCount). 1257a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1258a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param currentTime The current time, as tracked by the static timing handler 1259a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return true if the animation's duration, including any repetitions due to 12608aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * <code>repeatCount</code>, has been exceeded and the animation should be ended. 1261a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1262051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase boolean animationFrame(long currentTime) { 1263a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase boolean done = false; 1264a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase switch (mPlayingState) { 1265a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase case RUNNING: 1266a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase case SEEKED: 126770d4ba15b1f0c1133c5aabc86de828b41e482fffChet Haase float fraction = mDuration > 0 ? (float)(currentTime - mStartTime) / mDuration : 1f; 1268f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (mDuration == 0 && mRepeatCount != INFINITE) { 1269f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase // Skip to the end 1270f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mCurrentIteration = mRepeatCount; 1271f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (!mReversing) { 1272f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mPlayingBackwards = false; 1273f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 1274f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 1275a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (fraction >= 1f) { 1276f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (mCurrentIteration < mRepeatCount || 1277f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase (mRepeatCount == INFINITE && mDuration != 0)) { 1278a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Time to repeat 1279a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mListeners != null) { 12807c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numListeners = mListeners.size(); 12817c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numListeners; ++i) { 12827c608f25d494c8a0a671e7373efbb47ca635367eChet Haase mListeners.get(i).onAnimationRepeat(this); 1283a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1284a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1285a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mRepeatMode == REVERSE) { 128618772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy mPlayingBackwards = !mPlayingBackwards; 1287a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1288f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mCurrentIteration += (int) fraction; 1289730666858692ea396f5ad779654b5d86ff90b6caChet Haase fraction = fraction % 1f; 1290a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime += mDuration; 1291a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 1292a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase done = true; 1293a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = Math.min(fraction, 1.0f); 1294a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1295a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1296a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingBackwards) { 1297a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = 1f - fraction; 1298a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1299a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase animateValue(fraction); 1300a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase break; 1301a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1302a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1303a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return done; 1304a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1305a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1306a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 130720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * Processes a frame of the animation, adjusting the start time if needed. 130820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * 130920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * @param frameTime The frame time. 131020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * @return true if the animation has ended. 131120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown */ 131220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown final boolean doAnimationFrame(long frameTime) { 131320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (mPlayingState == STOPPED) { 131420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mPlayingState = RUNNING; 13150d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase if (mSeekFraction < 0) { 131620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mStartTime = frameTime; 131720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } else { 13180d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase long seekTime = (long) (mDuration * mSeekFraction); 13190d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase mStartTime = frameTime - seekTime; 13200d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase mSeekFraction = -1; 132120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 132220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 13238aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 13248aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime < 0) { 13258aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = frameTime; 13268aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 13278aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase return false; 13288aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } else if (mResumed) { 13298aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 13308aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime > 0) { 13318aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase // Offset by the duration that the animation was paused 13328aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mStartTime += (frameTime - mPauseTime); 13338aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 13348aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 133520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // The frame time might be before the start time during the first frame of 133620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // an animation. The "current time" must always be on or after the start 133720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // time to avoid animating frames at negative time intervals. In practice, this 133820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // is very rare and only happens when seeking backwards. 133920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown final long currentTime = Math.max(frameTime, mStartTime); 134020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown return animationFrame(currentTime); 134120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 134220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown 134320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown /** 1344a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * Returns the current animation fraction, which is the elapsed/interpolated fraction used in 1345a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * the most recent frame update on the animation. 1346a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * 1347a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * @return Elapsed/interpolated fraction of the animation. 1348a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase */ 1349a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase public float getAnimatedFraction() { 1350a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase return mCurrentFraction; 1351a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase } 1352a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase 1353a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase /** 1354a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This method is called with the elapsed fraction of the animation during every 1355a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation frame. This function turns the elapsed fraction into an interpolated fraction 1356a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * and then into an animated value (from the evaluator. The function is called mostly during 1357a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation updates, but it is also called when the <code>end()</code> 1358a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function is called, to set the final value on the property. 1359a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1360a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Overrides of this method must call the superclass to perform the calculation 1361a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of the animated value.</p> 1362a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1363a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param fraction The elapsed fraction of the animation. 1364a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1365a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void animateValue(float fraction) { 1366a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = mInterpolator.getInterpolation(fraction); 1367a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase mCurrentFraction = fraction; 1368a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = mValues.length; 1369a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 1370a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[i].calculateValue(fraction); 1371a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1372a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners != null) { 1373a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numListeners = mUpdateListeners.size(); 1374a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numListeners; ++i) { 1375a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.get(i).onAnimationUpdate(this); 1376a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1377a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1378a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1379a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1380a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1381a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public ValueAnimator clone() { 1382a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase final ValueAnimator anim = (ValueAnimator) super.clone(); 1383a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners != null) { 1384d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar anim.mUpdateListeners = new ArrayList<AnimatorUpdateListener>(mUpdateListeners); 1385a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 13860d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase anim.mSeekFraction = -1; 1387a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mPlayingBackwards = false; 1388f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase anim.mReversing = false; 1389a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mCurrentIteration = 0; 1390a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mInitialized = false; 1391a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mPlayingState = STOPPED; 1392a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mStartedDelay = false; 1393a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder[] oldValues = mValues; 1394a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (oldValues != null) { 1395a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = oldValues.length; 1396a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mValues = new PropertyValuesHolder[numValues]; 1397a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mValuesMap = new HashMap<String, PropertyValuesHolder>(numValues); 1398a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 1399d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase PropertyValuesHolder newValuesHolder = oldValues[i].clone(); 1400d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase anim.mValues[i] = newValuesHolder; 1401d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase anim.mValuesMap.put(newValuesHolder.getPropertyName(), newValuesHolder); 1402a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1403a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1404a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return anim; 1405a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1406a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1407a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1408a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Implementors of this interface can add themselves as update listeners 1409a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to an <code>ValueAnimator</code> instance to receive callbacks on every animation 1410a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frame, after the current frame's values have been calculated for that 1411a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>ValueAnimator</code>. 1412a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1413a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static interface AnimatorUpdateListener { 1414a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1415a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Notifies the occurrence of another frame of the animation.</p> 1416a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1417a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param animation The animation which was repeated. 1418a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1419a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void onAnimationUpdate(ValueAnimator animation); 1420a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1421a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1422599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick 1423599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick /** 1424599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * Return the number of animations currently running. 1425599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * 14269c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * Used by StrictMode internally to annotate violations. 14279c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * May be called on arbitrary threads! 1428599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * 1429599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * @hide 1430599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick */ 1431599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick public static int getCurrentAnimationsCount() { 14329c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 14339c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown return handler != null ? handler.mAnimations.size() : 0; 1434599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick } 14358901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy 14368901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy /** 14378901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * Clear all animations on this thread, without canceling or ending them. 14388901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * This should be used with caution. 14398901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * 14408901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * @hide 14418901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy */ 14428901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy public static void clearAllAnimations() { 14439c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 14449c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (handler != null) { 14459c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.clear(); 14469c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mPendingAnimations.clear(); 14479c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mDelayedAnims.clear(); 14489c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 14499c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 14509c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 145118772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy private static AnimationHandler getOrCreateAnimationHandler() { 14529c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 14539c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (handler == null) { 14549c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler = new AnimationHandler(); 14559c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown sAnimationHandler.set(handler); 14569c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 14579c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown return handler; 14588901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy } 1459e9140a72b1059574046a624b471b2c3a35806496Chet Haase 1460e9140a72b1059574046a624b471b2c3a35806496Chet Haase @Override 1461e9140a72b1059574046a624b471b2c3a35806496Chet Haase public String toString() { 1462e9140a72b1059574046a624b471b2c3a35806496Chet Haase String returnVal = "ValueAnimator@" + Integer.toHexString(hashCode()); 1463e9140a72b1059574046a624b471b2c3a35806496Chet Haase if (mValues != null) { 1464e9140a72b1059574046a624b471b2c3a35806496Chet Haase for (int i = 0; i < mValues.length; ++i) { 1465e9140a72b1059574046a624b471b2c3a35806496Chet Haase returnVal += "\n " + mValues[i].toString(); 1466e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1467e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1468e9140a72b1059574046a624b471b2c3a35806496Chet Haase return returnVal; 1469e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1470d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck 1471d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck /** 1472d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <p>Whether or not the ValueAnimator is allowed to run asynchronously off of 1473d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * the UI thread. This is a hint that informs the ValueAnimator that it is 1474d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * OK to run the animation off-thread, however ValueAnimator may decide 1475d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * that it must run the animation on the UI thread anyway. For example if there 1476d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * is an {@link AnimatorUpdateListener} the animation will run on the UI thread, 1477d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * regardless of the value of this hint.</p> 1478d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * 1479d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <p>Regardless of whether or not the animation runs asynchronously, all 1480d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * listener callbacks will be called on the UI thread.</p> 1481d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * 1482d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <p>To be able to use this hint the following must be true:</p> 1483d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <ol> 1484d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>{@link #getAnimatedFraction()} is not needed (it will return undefined values).</li> 1485d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>The animator is immutable while {@link #isStarted()} is true. Requests 1486d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * to change values, duration, delay, etc... may be ignored.</li> 1487d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>Lifecycle callback events may be asynchronous. Events such as 1488d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * {@link Animator.AnimatorListener#onAnimationEnd(Animator)} or 1489d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * {@link Animator.AnimatorListener#onAnimationRepeat(Animator)} may end up delayed 1490d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * as they must be posted back to the UI thread, and any actions performed 1491d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * by those callbacks (such as starting new animations) will not happen 1492d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * in the same frame.</li> 1493d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>State change requests ({@link #cancel()}, {@link #end()}, {@link #reverse()}, etc...) 1494d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * may be asynchronous. It is guaranteed that all state changes that are 1495d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * performed on the UI thread in the same frame will be applied as a single 1496d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * atomic update, however that frame may be the current frame, 1497d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * the next frame, or some future frame. This will also impact the observed 1498d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * state of the Animator. For example, {@link #isStarted()} may still return true 1499d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * after a call to {@link #end()}. Using the lifecycle callbacks is preferred over 1500d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * queries to {@link #isStarted()}, {@link #isRunning()}, and {@link #isPaused()} 1501d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * for this reason.</li> 1502d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * </ol> 1503d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * @hide 1504d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck */ 1505c01bd1167a1b08d59557f214ddc48cf24d3b8d0aJohn Reck @Override 1506d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck public void setAllowRunningAsynchronously(boolean mayRunAsync) { 1507d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck // It is up to subclasses to support this, if they can. 1508d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck } 1509599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick} 1510