ValueAnimator.java revision e1b5c2b48a5cf1dd3712dde35b59bc18851b4018
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 19c615c6fc9caca76cd96998f86e1f1e6393aeadbbTor Norbyeimport android.annotation.CallSuper; 20a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport android.os.Looper; 2118772ea228f3d292629c4f0b5f6392d047e0530dRomain Guyimport android.os.Trace; 222970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haaseimport android.util.AndroidRuntimeException; 23c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brownimport android.util.Log; 2496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brownimport android.view.Choreographer; 25a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport android.view.animation.AccelerateDecelerateInterpolator; 26a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport android.view.animation.AnimationUtils; 2727c1d4debb3848f5accd5673fffeeacad3e61648Chet Haaseimport android.view.animation.LinearInterpolator; 28a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 29a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport java.util.ArrayList; 30a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haaseimport java.util.HashMap; 31a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 32a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase/** 33a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This class provides a simple timing engine for running animations 34a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * which calculate animated values and set them on target objects. 35a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 36a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>There is a single timing pulse that all animations use. It runs in a 37a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * custom handler to ensure that property changes happen on the UI thread.</p> 38a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 39a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>By default, ValueAnimator uses non-linear time interpolation, via the 40a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AccelerateDecelerateInterpolator} class, which accelerates into and decelerates 41a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * out of an animation. This behavior can be changed by calling 42e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase * {@link ValueAnimator#setInterpolator(TimeInterpolator)}.</p> 433aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * 44d430753cba09acb07af8b313286f247c78a41a32Chet Haase * <p>Animators can be created from either code or resource files. Here is an example 45d430753cba09acb07af8b313286f247c78a41a32Chet Haase * of a ValueAnimator resource file:</p> 46d430753cba09acb07af8b313286f247c78a41a32Chet Haase * 47d430753cba09acb07af8b313286f247c78a41a32Chet Haase * {@sample development/samples/ApiDemos/res/anim/animator.xml ValueAnimatorResources} 48d430753cba09acb07af8b313286f247c78a41a32Chet Haase * 49d430753cba09acb07af8b313286f247c78a41a32Chet Haase * <p>It is also possible to use a combination of {@link PropertyValuesHolder} and 50d430753cba09acb07af8b313286f247c78a41a32Chet Haase * {@link Keyframe} resource tags to create a multi-step animation. 51d430753cba09acb07af8b313286f247c78a41a32Chet Haase * Note that you can specify explicit fractional values (from 0 to 1) for 52d430753cba09acb07af8b313286f247c78a41a32Chet Haase * each keyframe to determine when, in the overall duration, the animation should arrive at that 53d430753cba09acb07af8b313286f247c78a41a32Chet Haase * value. Alternatively, you can leave the fractions off and the keyframes will be equally 54d430753cba09acb07af8b313286f247c78a41a32Chet Haase * distributed within the total duration:</p> 55d430753cba09acb07af8b313286f247c78a41a32Chet Haase * 56d430753cba09acb07af8b313286f247c78a41a32Chet Haase * {@sample development/samples/ApiDemos/res/anim/value_animator_pvh_kf.xml 57d430753cba09acb07af8b313286f247c78a41a32Chet Haase * ValueAnimatorKeyframeResources} 58d430753cba09acb07af8b313286f247c78a41a32Chet Haase * 593aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <div class="special reference"> 603aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <h3>Developer Guides</h3> 613aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <p>For more information about animating with {@code ValueAnimator}, read the 623aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <a href="{@docRoot}guide/topics/graphics/prop-animation.html#value-animator">Property 633aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * Animation</a> developer guide.</p> 643aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * </div> 65a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 6618772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy@SuppressWarnings("unchecked") 672794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haasepublic class ValueAnimator extends Animator { 68c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown private static final String TAG = "ValueAnimator"; 69c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown private static final boolean DEBUG = false; 70a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 71a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 72a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Internal constants 73a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 74d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase private static float sDurationScale = 1.0f; 75a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 76a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 77a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Values used with internal variable mPlayingState to indicate the current state of an 78a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation. 79a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 80051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase static final int STOPPED = 0; // Not yet playing 81051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase static final int RUNNING = 1; // Playing normally 82051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase static final int SEEKED = 2; // Seeked to some time value 83a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 84a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 85a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Internal variables 86a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * NOTE: This object implements the clone() method, making a deep copy of any referenced 87a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * objects. As other non-trivial fields are added to this class, make sure to add logic 88a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to clone() to make deep copies of them. 89a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 90a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 91c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown /** 92c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * The first time that the animation's animateFrame() method is called. This time is used to 93c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * determine elapsed time (and therefore the elapsed fraction) in subsequent calls 94c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * to animateFrame(). 95c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * 96c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * Whenever mStartTime is set, you must also update mStartTimeCommitted. 97c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown */ 98051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase long mStartTime; 99a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 100a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 101c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * When true, the start time has been firmly committed as a chosen reference point in 102c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * time by which the progress of the animation will be evaluated. When false, the 103c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * start time may be updated when the first animation frame is committed so as 104c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * to compensate for jank that may have occurred between when the start time was 105c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * initialized and when the frame was actually drawn. 106c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * 107c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * This flag is generally set to false during the first frame of the animation 108c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * when the animation playing state transitions from STOPPED to RUNNING or 109c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * resumes after having been paused. This flag is set to true when the start time 110c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * is firmly committed and should not be further compensated for jank. 111c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown */ 112c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown boolean mStartTimeCommitted; 113c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown 114c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown /** 115a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Set when setCurrentPlayTime() is called. If negative, animation is not currently seeked 116a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to a value. 117a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1180d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase float mSeekFraction = -1; 119a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1208aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase /** 1218aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * Set on the next frame after pause() is called, used to calculate a new startTime 1228aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * or delayStartTime which allows the animator to continue from the point at which 1238aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * it was paused. If negative, has not yet been set. 1248aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase */ 1258aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase private long mPauseTime; 1268aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 1278aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase /** 1288aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * Set when an animator is resumed. This triggers logic in the next frame which 1298aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * actually resumes the animator. 1308aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase */ 1318aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase private boolean mResumed = false; 1328aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 1338aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 134a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The static sAnimationHandler processes the internal timing loop on which all animations 135a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // are based 136be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** 137be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 138be19e030a14c8e398e8af97fa898ea80187704dfChet Haase */ 139be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected static ThreadLocal<AnimationHandler> sAnimationHandler = 140e3bc4e6f102fbef760fe0a59dd807363571b0867Chet Haase new ThreadLocal<AnimationHandler>(); 141e3bc4e6f102fbef760fe0a59dd807363571b0867Chet Haase 142a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The time interpolator to be used if none is set on the animation 143e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase private static final TimeInterpolator sDefaultInterpolator = 144e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase new AccelerateDecelerateInterpolator(); 145a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 146a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 147a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Used to indicate whether the animation is currently playing in reverse. This causes the 148a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * elapsed fraction to be inverted to calculate the appropriate values. 149a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 150a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean mPlayingBackwards = false; 151a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 152a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 153f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * Flag to indicate whether this animator is playing in reverse mode, specifically 154f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * by being started or interrupted by a call to reverse(). This flag is different than 155f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * mPlayingBackwards, which indicates merely whether the current iteration of the 156f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * animator is playing in reverse. It is used in corner cases to determine proper end 157f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * behavior. 158f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase */ 159f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase private boolean mReversing; 160f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase 161f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase /** 162a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This variable tracks the current iteration that is playing. When mCurrentIteration exceeds the 163a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * repeatCount (if repeatCount!=INFINITE), the animation ends 164a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 165a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mCurrentIteration = 0; 166a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 167a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 168a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * Tracks current elapsed/eased fraction, for querying in getAnimatedFraction(). 169a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase */ 170a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase private float mCurrentFraction = 0f; 171a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase 172a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase /** 173a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Tracks whether a startDelay'd animation has begun playing through the startDelay. 174a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 175a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean mStartedDelay = false; 176a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 177a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 178a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Tracks the time at which the animation began playing through its startDelay. This is 179a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * different from the mStartTime variable, which is used to track when the animation became 180a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * active (which is when the startDelay expired and the animation was added to the active 181a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animations list). 182a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 183a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private long mDelayStartTime; 184a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 185a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 186a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Flag that represents the current state of the animation. Used to figure out when to start 187a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * an animation (if state == STOPPED). Also used to end an animation that 188a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * has been cancel()'d or end()'d since the last animation frame. Possible values are 189e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase * STOPPED, RUNNING, SEEKED. 190a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 191051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase int mPlayingState = STOPPED; 192a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 193a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 194b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * Additional playing state to indicate whether an animator has been start()'d. There is 195b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * some lag between a call to start() and the first animation frame. We should still note 196b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * that the animation has been started, even if it's first animation frame has not yet 197b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * happened, and reflect that state in isRunning(). 198b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * Note that delayed animations are different: they are not started until their first 199b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase * animation frame, which occurs after their delay elapses. 200b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase */ 2018b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase private boolean mRunning = false; 2028b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase 2038b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase /** 2048b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * Additional playing state to indicate whether an animator has been start()'d, whether or 2058b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * not there is a nonzero startDelay. 2068b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase */ 207b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase private boolean mStarted = false; 208b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase 209b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase /** 2108aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * Tracks whether we've notified listeners of the onAnimationStart() event. This can be 21117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase * complex to keep track of since we notify listeners at different times depending on 21217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase * startDelay and whether start() was called before end(). 21317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase */ 21417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase private boolean mStartListenersCalled = false; 21517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase 21617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase /** 217a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Flag that denotes whether the animation is set up and ready to go. Used to 218a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * set up animation that has not yet been started. 219a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 220a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase boolean mInitialized = false; 221a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 222a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // 223a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Backing variables 224a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // 225a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 226a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // How long the animation should last in ms 227c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase private long mDuration = (long)(300 * sDurationScale); 228d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase private long mUnscaledDuration = 300; 229a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 230a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The amount of time in ms to delay starting the animation after start() is called 231a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private long mStartDelay = 0; 232d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase private long mUnscaledStartDelay = 0; 233a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 234a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // The number of times the animation will repeat. The default is 0, which means the animation 235a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // will play only once 236a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mRepeatCount = 0; 237a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 238a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 239a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The type of repetition that will occur when repeatMode is nonzero. RESTART means the 240a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation will start from the beginning on every new cycle. REVERSE means the animation 241a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will reverse directions on each iteration. 242a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 243a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private int mRepeatMode = RESTART; 244a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 245a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 246a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The time interpolator to be used. The elapsed fraction of the animation will be passed 247a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * through this interpolator to calculate the interpolated fraction, which is then used to 248a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * calculate the animated values. 249a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 250e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase private TimeInterpolator mInterpolator = sDefaultInterpolator; 251a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 252a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 253a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The set of listeners to be sent events through the life of an animation. 254a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 255d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck ArrayList<AnimatorUpdateListener> mUpdateListeners = null; 256a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 257a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 258a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The property/value sets being animated. 259a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 260a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder[] mValues; 261a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 262a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 263a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * A hashmap of the PropertyValuesHolder objects. This map is used to lookup animated values 264a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * by property name during calls to getAnimatedValue(String). 265a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 266a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase HashMap<String, PropertyValuesHolder> mValuesMap; 267a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 268a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 269a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Public constants 270a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 271a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 272a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 273a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * When the animation reaches the end and <code>repeatCount</code> is INFINITE 274a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * or a positive value, the animation restarts from the beginning. 275a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 276a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int RESTART = 1; 277a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 278a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * When the animation reaches the end and <code>repeatCount</code> is INFINITE 279a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * or a positive value, the animation reverses direction on every iteration. 280a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 281a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int REVERSE = 2; 282a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 283a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This value used used with the {@link #setRepeatCount(int)} property to repeat 284a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the animation indefinitely. 285a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 286a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static final int INFINITE = -1; 287a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 288c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase 289c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase /** 290c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase * @hide 291c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase */ 292c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase public static void setDurationScale(float durationScale) { 293c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase sDurationScale = durationScale; 294c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase } 295c38fa1f63674971f9ac6ced1a449fb81026b62f7Chet Haase 296a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 297ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown * @hide 298ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown */ 299ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown public static float getDurationScale() { 300ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown return sDurationScale; 301ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown } 302ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown 303ff7e6ef4f18ff94a9836492ff3ccd1ba7f6804f3Jeff Brown /** 304a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Creates a new ValueAnimator object. This default constructor is primarily for 3052794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * use internally; the factory methods which take parameters are more generally 306a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * useful. 307a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 308a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public ValueAnimator() { 309a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 310a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 311a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 3122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between int values. A single 3132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3142794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3152794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3162794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3172794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 318a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 3192794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3202794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 32141f041d9986f8a5d45b6cb0b86e881c81a412168Chet Haase */ 3222794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofInt(int... values) { 3232794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3242794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setIntValues(values); 3252794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3262794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3272794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3282794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3291ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * Constructs and returns a ValueAnimator that animates between color values. A single 3301ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * value implies that that value is the one being animated to. However, this is not typically 3311ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * useful in a ValueAnimator object because there is no way for the object to determine the 3321ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * starting value for the animation (unlike ObjectAnimator, which can derive that value 3331ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * from the target object and property being animated). Therefore, there should typically 3341ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * be two or more values. 3351ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * 3361ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * @param values A set of values that the animation will animate between over time. 3371ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount * @return A ValueAnimator object that is set up to animate between the given values. 3381ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount */ 3391ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount public static ValueAnimator ofArgb(int... values) { 3401ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount ValueAnimator anim = new ValueAnimator(); 3411ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount anim.setIntValues(values); 3421ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount anim.setEvaluator(ArgbEvaluator.getInstance()); 3431ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount return anim; 3441ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount } 3451ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount 3461ffb280a7d2c70cc16d709c685f5d31fdb86b5e4George Mount /** 3472794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between float values. A single 3482794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3492794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3502794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3512794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3522794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3532794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3542794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3552794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3562794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3572794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofFloat(float... values) { 3582794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3592794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setFloatValues(values); 3602794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3612794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3622794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 3632794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3642794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between the values 3652794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * specified in the PropertyValuesHolder objects. 3662794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3672794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of PropertyValuesHolder objects whose values will be animated 3682794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * between over time. 3692794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3702794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3712794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofPropertyValuesHolder(PropertyValuesHolder... values) { 3722794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3732794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setValues(values); 3742794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3752794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 3762794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 3772794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Constructs and returns a ValueAnimator that animates between Object values. A single 3782794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 3792794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 3802794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 3812794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 3822794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 3832794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3842794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>Since ValueAnimator does not know how to animate between arbitrary Objects, this 3852794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * factory method also takes a TypeEvaluator object that the ValueAnimator will use 3862794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * to perform that interpolation. 3872794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 3882794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param evaluator A TypeEvaluator that will be called on each animation frame to 3892794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * provide the ncessry interpolation between the Object values to derive the animated 3902794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value. 3912794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 3922794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return A ValueAnimator object that is set up to animate between the given values. 3932794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 3942794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public static ValueAnimator ofObject(TypeEvaluator evaluator, Object... values) { 3952794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = new ValueAnimator(); 3962794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setObjectValues(values); 3972794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setEvaluator(evaluator); 3982794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return anim; 3992794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4002794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 4012794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 4022794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets int values that will be animated between. A single 4032794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 4042794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 4052794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 4062794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 4072794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 4082794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4092794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 4102794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 4112794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 4122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4132794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 4142794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 4152794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setIntValues(int... values) { 4162794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 4172794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 4182794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4192794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 42018772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofInt("", values)); 4212794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 4222794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 4232794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setIntValues(values); 4242794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4252794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 4262794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 4272794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4282794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 4292794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 4302794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets float values that will be animated between. A single 4312794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 4322794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 4332794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 4342794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 4352794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 4362794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4372794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 4382794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 4392794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 4402794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4412794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values A set of values that the animation will animate between over time. 4422794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 4432794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setFloatValues(float... values) { 4442794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 4452794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 44641f041d9986f8a5d45b6cb0b86e881c81a412168Chet Haase } 4472794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 44818772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofFloat("", values)); 4492794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 4502794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 4512794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setFloatValues(values); 4522794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4532794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 4542794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 4552794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4562794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase 4572794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase /** 4582794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets the values to animate between for this animation. A single 4592794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value implies that that value is the one being animated to. However, this is not typically 4602794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * useful in a ValueAnimator object because there is no way for the object to determine the 4612794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * starting value for the animation (unlike ObjectAnimator, which can derive that value 4622794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * from the target object and property being animated). Therefore, there should typically 4632794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * be two or more values. 4642794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4652794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>If there are already multiple sets of values defined for this ValueAnimator via more 4662794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * than one PropertyValuesHolder object, this method will set the values for the first 4672794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * of those objects.</p> 4682794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4692794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * <p>There should be a TypeEvaluator set on the ValueAnimator that knows how to interpolate 4702794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * between these value objects. ValueAnimator only knows how to interpolate between the 4712794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * primitive types specified in the other setValues() methods.</p> 4722794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * 4732794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @param values The set of values to animate between. 4742794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase */ 4752794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public void setObjectValues(Object... values) { 4762794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (values == null || values.length == 0) { 4772794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return; 4782794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4792794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase if (mValues == null || mValues.length == 0) { 48018772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy setValues(PropertyValuesHolder.ofObject("", null, values)); 4812794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 4822794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase PropertyValuesHolder valuesHolder = mValues[0]; 4832794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase valuesHolder.setObjectValues(values); 4842794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 4852794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase // New property/values/target should cause re-initialization prior to starting 4862794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase mInitialized = false; 487a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 488a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 489a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 490a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets the values, per property, being animated between. This function is called internally 491f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa * by the constructors of ValueAnimator that take a list of values. But a ValueAnimator can 492a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * be constructed without values and this method can be called to set the values manually 493a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * instead. 494a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 495a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param values The set of values, per property, being animated between. 496a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 497a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setValues(PropertyValuesHolder... values) { 498a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = values.length; 499a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues = values; 500a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValuesMap = new HashMap<String, PropertyValuesHolder>(numValues); 501a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 50218772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy PropertyValuesHolder valuesHolder = values[i]; 503a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValuesMap.put(valuesHolder.getPropertyName(), valuesHolder); 504a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 5050e0590bf3cb32e73f423c0fe39a180d4b3c4343dChet Haase // New property/values/target should cause re-initialization prior to starting 5060e0590bf3cb32e73f423c0fe39a180d4b3c4343dChet Haase mInitialized = false; 507a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 508a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 509a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 510a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Returns the values that this ValueAnimator animates between. These values are stored in 511a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * PropertyValuesHolder objects, even if the ValueAnimator was created with a simple list 512a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of value objects instead. 513a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 514a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return PropertyValuesHolder[] An array of PropertyValuesHolder objects which hold the 515a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * values, per property, that define the animation. 516a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 517a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public PropertyValuesHolder[] getValues() { 518a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mValues; 519a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 520a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 521a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 522a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This function is called immediately before processing the first animation 523a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frame of an animation. If there is a nonzero <code>startDelay</code>, the 524a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function is called after that delay ends. 525a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * It takes care of the final initialization steps for the 526a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation. 527a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 528a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Overrides of this method should call the superclass method to ensure 529a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * that internal mechanisms for the animation are set up correctly.</p> 530a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 531c615c6fc9caca76cd96998f86e1f1e6393aeadbbTor Norbye @CallSuper 532a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void initAnimation() { 533a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mInitialized) { 534a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = mValues.length; 535a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 536a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[i].init(); 537a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 538a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mInitialized = true; 539a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 540a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 541a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 542a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 543a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 5442794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Sets the length of the animation. The default duration is 300 milliseconds. 545a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 54627c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * @param duration The length of the animation, in milliseconds. This value cannot 54727c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * be negative. 5482794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * @return ValueAnimator The object called with setDuration(). This return 5492794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * value makes it easier to compose statements together that construct and then set the 5502794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * duration, as in <code>ValueAnimator.ofInt(0, 10).setDuration(500).start()</code>. 551a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 552c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown @Override 5532794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public ValueAnimator setDuration(long duration) { 55427c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase if (duration < 0) { 55527c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase throw new IllegalArgumentException("Animators cannot have negative duration: " + 55627c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase duration); 55727c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase } 558d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mUnscaledDuration = duration; 5597a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown updateScaledDuration(); 5602794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return this; 561a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 562a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 5637a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown private void updateScaledDuration() { 5647a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown mDuration = (long)(mUnscaledDuration * sDurationScale); 5657a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown } 5667a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown 567a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 5682794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase * Gets the length of the animation. The default duration is 300 milliseconds. 569a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 570a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The length of the animation, in milliseconds. 571a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 572c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown @Override 573a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getDuration() { 574d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase return mUnscaledDuration; 575a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 576a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 577a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 578a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets the position of the animation to the specified point in time. This time should 579a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * be between 0 and the total duration of the animation, including any repetition. If 580a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the animation has not yet been started, then it will not advance forward after it is 581a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * set to this time; it will simply set the time to this value and perform any appropriate 582a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * actions based on that time. If the animation is already running, then setCurrentPlayTime() 583a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will set the current playing time to this value and continue playing from that point. 584a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 585a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param playTime The time, in milliseconds, to which the animation is advanced or rewound. 586a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 587a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setCurrentPlayTime(long playTime) { 5885a25e5bae223bbee56dab75e36d1d947c8c3cb11Chet Haase float fraction = mUnscaledDuration > 0 ? (float) playTime / mUnscaledDuration : 1; 5890d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase setCurrentFraction(fraction); 5900d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase } 5910d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase 5920d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase /** 5930d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * Sets the position of the animation to the specified fraction. This fraction should 5940d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * be between 0 and the total fraction of the animation, including any repetition. That is, 5950d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * a fraction of 0 will position the animation at the beginning, a value of 1 at the end, 596f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * and a value of 2 at the end of a reversing animator that repeats once. If 5970d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * the animation has not yet been started, then it will not advance forward after it is 5980d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * set to this fraction; it will simply set the fraction to this value and perform any 5990d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * appropriate actions based on that fraction. If the animation is already running, then 6000d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * setCurrentFraction() will set the current fraction to this value and continue 6015a5afe010d2f8fb7e8f00858b8a305b4745c0469Eino-Ville Talvala * playing from that point. {@link Animator.AnimatorListener} events are not called 602f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * due to changing the fraction; those events are only processed while the animation 603f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * is running. 6040d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase * 605f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * @param fraction The fraction to which the animation is advanced or rewound. Values 606f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * outside the range of 0 to the maximum fraction for the animator will be clamped to 607f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase * the correct range. 6080d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase */ 6090d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase public void setCurrentFraction(float fraction) { 610a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase initAnimation(); 611f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (fraction < 0) { 612f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase fraction = 0; 613f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 614f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase int iteration = (int) fraction; 615f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (fraction == 1) { 616f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase iteration -= 1; 617f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else if (fraction > 1) { 618f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (iteration < (mRepeatCount + 1) || mRepeatCount == INFINITE) { 619f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (mRepeatMode == REVERSE) { 620f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mPlayingBackwards = (iteration % 2) != 0; 621f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 622f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase fraction = fraction % 1f; 623f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else { 624f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase fraction = 1; 625f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase iteration -= 1; 626f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 627f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else { 628f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mPlayingBackwards = mReversing; 629f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 630f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mCurrentIteration = iteration; 631f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase long seekTime = (long) (mDuration * fraction); 632f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase long currentTime = AnimationUtils.currentAnimationTimeMillis(); 633f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mStartTime = currentTime - seekTime; 634c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mStartTimeCommitted = true; // do not allow start time to be compensated for jank 635a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingState != RUNNING) { 6360d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase mSeekFraction = fraction; 637a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = SEEKED; 638a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 639f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (mPlayingBackwards) { 640f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase fraction = 1f - fraction; 641f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 6420d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase animateValue(fraction); 643a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 644a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 645a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 646a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Gets the current position of the animation in time, which is equal to the current 647a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * time minus the time that the animation started. An animation that is not yet started will 648a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * return a value of zero. 649a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 650a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The current position in time of the animation. 651a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 652a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getCurrentPlayTime() { 653a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mInitialized || mPlayingState == STOPPED) { 654a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return 0; 655a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 656a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return AnimationUtils.currentAnimationTimeMillis() - mStartTime; 657a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 658a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 659a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 660a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This custom, static handler handles the timing pulse that is shared by 661a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * all active animations. This approach ensures that the setting of animation 662a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * values will happen on the UI thread and that all animations will share 663a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the same times for calculating their values, which makes synchronizing 664a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animations possible. 665a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 66620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * The handler uses the Choreographer for executing periodic callbacks. 667be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * 668be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 669a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 67018772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy @SuppressWarnings("unchecked") 671c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown protected static class AnimationHandler { 6729c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown // The per-thread list of all active animations 673be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** @hide */ 674be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mAnimations = new ArrayList<ValueAnimator>(); 6759c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 6762936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase // Used in doAnimationFrame() to avoid concurrent modifications of mAnimations 6772936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase private final ArrayList<ValueAnimator> mTmpAnimations = new ArrayList<ValueAnimator>(); 6782936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase 6799c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown // The per-thread set of animations to be started on the next animation frame 680be19e030a14c8e398e8af97fa898ea80187704dfChet Haase /** @hide */ 681be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mPendingAnimations = new ArrayList<ValueAnimator>(); 6829c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 6839c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown /** 6849c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * Internal per-thread collections used to avoid set collisions as animations start and end 6859c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * while being processed. 686be19e030a14c8e398e8af97fa898ea80187704dfChet Haase * @hide 6879c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown */ 688be19e030a14c8e398e8af97fa898ea80187704dfChet Haase protected final ArrayList<ValueAnimator> mDelayedAnims = new ArrayList<ValueAnimator>(); 6899c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private final ArrayList<ValueAnimator> mEndingAnims = new ArrayList<ValueAnimator>(); 6909c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private final ArrayList<ValueAnimator> mReadyAnims = new ArrayList<ValueAnimator>(); 6919c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 69296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown private final Choreographer mChoreographer; 6934a06c8008b2edd6677f9a411af79b0a4971b87feJeff Brown private boolean mAnimationScheduled; 694c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown private long mLastFrameTime; 69596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 69696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown private AnimationHandler() { 69796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mChoreographer = Choreographer.getInstance(); 69896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 69996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 700a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 70120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * Start animating on the next frame. 702a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 70320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown public void start() { 70420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown scheduleAnimation(); 70596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 706a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 707c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown void doAnimationFrame(long frameTime) { 708c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mLastFrameTime = frameTime; 709c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown 71096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // mPendingAnimations holds any animations that have requested to be started 71196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // We're going to clear mPendingAnimations, but starting animation may 71296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // cause more to be added to the pending list (for example, if one animation 71396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // starting triggers another starting). So we loop until mPendingAnimations 71496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // is empty. 71596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown while (mPendingAnimations.size() > 0) { 71696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ArrayList<ValueAnimator> pendingCopy = 71796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown (ArrayList<ValueAnimator>) mPendingAnimations.clone(); 71896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mPendingAnimations.clear(); 71996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int count = pendingCopy.size(); 72096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < count; ++i) { 72196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = pendingCopy.get(i); 72296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // If the animation has a startDelay, place it on the delayed list 72396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (anim.mStartDelay == 0) { 72496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.startAnimation(this); 72596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } else { 72696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mDelayedAnims.add(anim); 727a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 72896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 72996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 730c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown 731c6ffab32415a58bbb010dcd115684f9dbc249710Chet Haase // Next, process animations currently sitting on the delayed queue, adding 73296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // them to the active animations if they are ready 73396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numDelayedAnims = mDelayedAnims.size(); 73496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < numDelayedAnims; ++i) { 73596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = mDelayedAnims.get(i); 73620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (anim.delayedAnimationFrame(frameTime)) { 73796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mReadyAnims.add(anim); 73896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 73996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 74096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numReadyAnims = mReadyAnims.size(); 74196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (numReadyAnims > 0) { 74296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown for (int i = 0; i < numReadyAnims; ++i) { 74396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown ValueAnimator anim = mReadyAnims.get(i); 74496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.startAnimation(this); 74596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown anim.mRunning = true; 74696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mDelayedAnims.remove(anim); 74796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 74896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mReadyAnims.clear(); 74996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 75096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 75196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // Now process all active animations. The return value from animationFrame() 75296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // tells the handler whether it should now be ended 75396e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown int numAnims = mAnimations.size(); 7542936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < numAnims; ++i) { 7552936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase mTmpAnimations.add(mAnimations.get(i)); 7562936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase } 7572936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < numAnims; ++i) { 7582936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase ValueAnimator anim = mTmpAnimations.get(i); 7592936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase if (mAnimations.contains(anim) && anim.doAnimationFrame(frameTime)) { 76096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.add(anim); 76196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 76296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 7632936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase mTmpAnimations.clear(); 76496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown if (mEndingAnims.size() > 0) { 7652936fc0244ab2010696b3b1d723d6bbbc693916eChet Haase for (int i = 0; i < mEndingAnims.size(); ++i) { 76696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.get(i).endAnimation(this); 76796e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 76896e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown mEndingAnims.clear(); 76996e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 77096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 771c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown // Schedule final commit for the frame. 772c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mChoreographer.postCallback(Choreographer.CALLBACK_COMMIT, mCommit, null); 773c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown 77496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // If there are still active or delayed animations, schedule a future call to 77596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown // onAnimate to process the next frame of the animations. 77620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (!mAnimations.isEmpty() || !mDelayedAnims.isEmpty()) { 77720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown scheduleAnimation(); 778a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 779a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 78096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown 781c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown void commitAnimationFrame(long frameTime) { 782c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown final long adjustment = frameTime - mLastFrameTime; 783c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown final int numAnims = mAnimations.size(); 784c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown for (int i = 0; i < numAnims; ++i) { 785c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mAnimations.get(i).commitAnimationFrame(adjustment); 786c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown } 78720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 78820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown 78920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown private void scheduleAnimation() { 79020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (!mAnimationScheduled) { 791c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mChoreographer.postCallback(Choreographer.CALLBACK_ANIMATION, mAnimate, null); 79220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mAnimationScheduled = true; 79320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 79496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown } 795c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown 796c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown // Called by the Choreographer. 797c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown final Runnable mAnimate = new Runnable() { 798c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown @Override 799c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown public void run() { 800c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mAnimationScheduled = false; 801c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown doAnimationFrame(mChoreographer.getFrameTime()); 802c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown } 803c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown }; 804c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown 805c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown // Called by the Choreographer. 806c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown final Runnable mCommit = new Runnable() { 807c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown @Override 808c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown public void run() { 809c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown commitAnimationFrame(mChoreographer.getFrameTime()); 810c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown } 811c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown }; 812a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 813a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 814a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 815a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, to delay starting the animation after 816a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link #start()} is called. 817a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 818a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the number of milliseconds to delay running the animation 819a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 820c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown @Override 821a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public long getStartDelay() { 822d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase return mUnscaledStartDelay; 823a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 824a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 825a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 826a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, to delay starting the animation after 827a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link #start()} is called. 828a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 829a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param startDelay The amount of the delay, in milliseconds 830a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 831c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown @Override 832a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setStartDelay(long startDelay) { 833d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase this.mStartDelay = (long)(startDelay * sDurationScale); 834d21a9fe2d9a6cfe966fc7df3a8c37c172d7ac302Chet Haase mUnscaledStartDelay = startDelay; 835a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 836a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 837a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 838a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, between each frame of the animation. This is a 839a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * requested time that the animation will attempt to honor, but the actual delay between 840a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frames may be different, depending on system load and capabilities. This is a static 841a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function because the same delay will be applied to all animations, since they are all 842a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * run off of a single timing loop. 843a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 84496e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * The frame delay may be ignored when the animation system uses an external timing 84596e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * source, such as the display refresh rate (vsync), to govern animations. 84696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * 847a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the requested time between frames, in milliseconds 848a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 849a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static long getFrameDelay() { 85096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown return Choreographer.getFrameDelay(); 851a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 852a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 853a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 854a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The amount of time, in milliseconds, between each frame of the animation. This is a 855a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * requested time that the animation will attempt to honor, but the actual delay between 856a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frames may be different, depending on system load and capabilities. This is a static 857a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function because the same delay will be applied to all animations, since they are all 858a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * run off of a single timing loop. 859a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 86096e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * The frame delay may be ignored when the animation system uses an external timing 86196e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * source, such as the display refresh rate (vsync), to govern animations. 86296e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown * 863a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param frameDelay the requested time between frames, in milliseconds 864a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 865a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static void setFrameDelay(long frameDelay) { 86696e942dabeeaaa9ab6df3a870668c6fe53d930daJeff Brown Choreographer.setFrameDelay(frameDelay); 867a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 868a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 869a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 870a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The most recent value calculated by this <code>ValueAnimator</code> when there is just one 871a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * property being animated. This value is only sensible while the animation is running. The main 872a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * purpose for this read-only property is to retrieve the value from the <code>ValueAnimator</code> 873a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * during a call to {@link AnimatorUpdateListener#onAnimationUpdate(ValueAnimator)}, which 874a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is called during each animation frame, immediately after the value is calculated. 875a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 876a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return animatedValue The value most recently calculated by this <code>ValueAnimator</code> for 877a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the single property being animated. If there are several properties being animated 878a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * (specified by several PropertyValuesHolder objects in the constructor), this function 879a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * returns the animated value for the first of those objects. 880a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 881a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Object getAnimatedValue() { 882a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mValues != null && mValues.length > 0) { 883a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mValues[0].getAnimatedValue(); 884a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 885a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Shouldn't get here; should always have values unless ValueAnimator was set up wrong 886a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return null; 887a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 888a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 889a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 890a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The most recent value calculated by this <code>ValueAnimator</code> for <code>propertyName</code>. 891a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The main purpose for this read-only property is to retrieve the value from the 892a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>ValueAnimator</code> during a call to 893a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorUpdateListener#onAnimationUpdate(ValueAnimator)}, which 894a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is called during each animation frame, immediately after the value is calculated. 895a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 896a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return animatedValue The value most recently calculated for the named property 897a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * by this <code>ValueAnimator</code>. 898a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 899a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Object getAnimatedValue(String propertyName) { 900a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder valuesHolder = mValuesMap.get(propertyName); 901a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (valuesHolder != null) { 902a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return valuesHolder.getAnimatedValue(); 903a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 904a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // At least avoid crashing if called with bogus propertyName 905a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return null; 906a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 907a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 908a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 909a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 910a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets how many times the animation should be repeated. If the repeat 911a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * count is 0, the animation is never repeated. If the repeat count is 912a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * greater than 0 or {@link #INFINITE}, the repeat mode will be taken 913a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * into account. The repeat count is 0 by default. 914a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 915a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value the number of times the animation should be repeated 916a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 917a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setRepeatCount(int value) { 918a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mRepeatCount = value; 919a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 920a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 921a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines how many times the animation should repeat. The default value 922a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is 0. 923a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 924a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return the number of times the animation should repeat, or {@link #INFINITE} 925a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 926a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public int getRepeatCount() { 927a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mRepeatCount; 928a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 929a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 930a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 931a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines what this animation should do when it reaches the end. This 932a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * setting is applied only when the repeat count is either greater than 933a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 0 or {@link #INFINITE}. Defaults to {@link #RESTART}. 934a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 935a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value {@link #RESTART} or {@link #REVERSE} 936a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 937a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setRepeatMode(int value) { 938a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mRepeatMode = value; 939a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 940a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 941a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 942a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Defines what this animation should do when it reaches the end. 943a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 944a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return either one of {@link #REVERSE} or {@link #RESTART} 945a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 946a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public int getRepeatMode() { 947a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mRepeatMode; 948a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 949a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 950a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 951a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Adds a listener to the set of listeners that are sent update events through the life of 952a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * an animation. This method is called on all listeners for every frame of the animation, 953a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * after the values for the animation have been calculated. 954a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 955a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param listener the listener to be added to the current set of listeners for this animation. 956a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 957a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void addUpdateListener(AnimatorUpdateListener listener) { 958a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners == null) { 959a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners = new ArrayList<AnimatorUpdateListener>(); 960a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 961a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.add(listener); 962a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 963a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 964a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 9653060421045d4d9e411797f91bb509824b03e33fbJim Miller * Removes all listeners from the set listening to frame updates for this animation. 9663060421045d4d9e411797f91bb509824b03e33fbJim Miller */ 9673060421045d4d9e411797f91bb509824b03e33fbJim Miller public void removeAllUpdateListeners() { 9683060421045d4d9e411797f91bb509824b03e33fbJim Miller if (mUpdateListeners == null) { 9693060421045d4d9e411797f91bb509824b03e33fbJim Miller return; 9703060421045d4d9e411797f91bb509824b03e33fbJim Miller } 9713060421045d4d9e411797f91bb509824b03e33fbJim Miller mUpdateListeners.clear(); 9723060421045d4d9e411797f91bb509824b03e33fbJim Miller mUpdateListeners = null; 9733060421045d4d9e411797f91bb509824b03e33fbJim Miller } 9743060421045d4d9e411797f91bb509824b03e33fbJim Miller 9753060421045d4d9e411797f91bb509824b03e33fbJim Miller /** 976a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Removes a listener from the set listening to frame updates for this animation. 977a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 978a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param listener the listener to be removed from the current set of update listeners 979a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * for this animation. 980a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 981a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void removeUpdateListener(AnimatorUpdateListener listener) { 982a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners == null) { 983a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return; 984a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 985a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.remove(listener); 986a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners.size() == 0) { 987a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners = null; 988a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 989a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 990a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 991a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 992a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 993a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The time interpolator used in calculating the elapsed fraction of this animation. The 994a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * interpolator determines whether the animation runs with linear or non-linear motion, 995a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * such as acceleration and deceleration. The default value is 996a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link android.view.animation.AccelerateDecelerateInterpolator} 997a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 99827c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * @param value the interpolator to be used by this animation. A value of <code>null</code> 99927c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase * will result in linear interpolation. 1000a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1001a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1002e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase public void setInterpolator(TimeInterpolator value) { 1003a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (value != null) { 1004a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mInterpolator = value; 100527c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase } else { 100627c1d4debb3848f5accd5673fffeeacad3e61648Chet Haase mInterpolator = new LinearInterpolator(); 1007a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1008a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1009a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1010a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1011a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Returns the timing interpolator that this ValueAnimator uses. 1012a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1013a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The timing interpolator for this ValueAnimator. 1014a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1015430742f09063574271e6c4091de13b9b9e762514Chet Haase @Override 1016e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase public TimeInterpolator getInterpolator() { 1017a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return mInterpolator; 1018a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1019a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1020a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1021a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * The type evaluator to be used when calculating the animated values of this animation. 1022b2ab04ffb6894f399d5c9ceb15f64eb17b654426Chet Haase * The system will automatically assign a float or int evaluator based on the type 1023a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of <code>startValue</code> and <code>endValue</code> in the constructor. But if these values 1024a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * are not one of these primitive types, or if different evaluation is desired (such as is 1025a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * necessary with int values that represent colors), a custom evaluator needs to be assigned. 102653ee3316bcb3590ff156b3fd7108903c0817c35dChet Haase * For example, when running an animation on color values, the {@link ArgbEvaluator} 1027a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be used to get correct RGB color interpolation. 1028a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1029a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>If this ValueAnimator has only one set of values being animated between, this evaluator 1030a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will be used for that set. If there are several sets of values being animated, which is 1031fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase * the case if PropertyValuesHolder objects were set on the ValueAnimator, then the evaluator 1032a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is assigned just to the first PropertyValuesHolder object.</p> 1033a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1034a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param value the evaluator to be used this animation 1035a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1036a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void setEvaluator(TypeEvaluator value) { 1037a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (value != null && mValues != null && mValues.length > 0) { 1038a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[0].setEvaluator(value); 1039a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1040a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1041a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 104217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase private void notifyStartListeners() { 104317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (mListeners != null && !mStartListenersCalled) { 104417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase ArrayList<AnimatorListener> tmpListeners = 104517cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 104617cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase int numListeners = tmpListeners.size(); 104717cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase for (int i = 0; i < numListeners; ++i) { 104817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase tmpListeners.get(i).onAnimationStart(this); 104917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 105017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 105117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStartListenersCalled = true; 105217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 105317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase 1054a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1055a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Start the animation playing. This version of start() takes a boolean flag that indicates 1056a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * whether the animation should play in reverse. The flag is usually false, but may be set 10572970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * to true if called from the reverse() method. 10582970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * 10592970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * <p>The animation started by calling this method will be run on the thread that called 10602970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * this method. This thread should have a Looper on it (a runtime exception will be thrown if 10612970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * this is not the case). Also, if the animation will animate 10622970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * properties of objects in the view hierarchy, then the calling thread should be the UI 10632970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase * thread for that view hierarchy.</p> 1064a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1065a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param playBackwards Whether the ValueAnimator should start playing in reverse. 1066a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1067a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private void start(boolean playBackwards) { 10682970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase if (Looper.myLooper() == null) { 10692970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase throw new AndroidRuntimeException("Animators may only be run on Looper threads"); 10703060421045d4d9e411797f91bb509824b03e33fbJim Miller } 1071f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mReversing = playBackwards; 10722970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase mPlayingBackwards = playBackwards; 1073f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (playBackwards && mSeekFraction != -1) { 1074f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (mSeekFraction == 0 && mCurrentIteration == 0) { 1075f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase // special case: reversing from seek-to-0 should act as if not seeked at all 1076f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mSeekFraction = 0; 1077f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else if (mRepeatCount == INFINITE) { 1078f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mSeekFraction = 1 - (mSeekFraction % 1); 1079f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else { 1080f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mSeekFraction = 1 + mRepeatCount - (mCurrentIteration + mSeekFraction); 1081f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 1082f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mCurrentIteration = (int) mSeekFraction; 1083f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mSeekFraction = mSeekFraction % 1; 1084f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 1085f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (mCurrentIteration > 0 && mRepeatMode == REVERSE && 1086f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase (mCurrentIteration < (mRepeatCount + 1) || mRepeatCount == INFINITE)) { 1087f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase // if we were seeked to some other iteration in a reversing animator, 1088f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase // figure out the correct direction to start playing based on the iteration 1089f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (playBackwards) { 1090f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mPlayingBackwards = (mCurrentIteration % 2) == 0; 1091f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } else { 1092f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mPlayingBackwards = (mCurrentIteration % 2) != 0; 1093f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 1094f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 10950d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase int prevPlayingState = mPlayingState; 1096add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mPlayingState = STOPPED; 10978b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mStarted = true; 1098add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase mStartedDelay = false; 10998aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPaused = false; 11007a08fe0e09c9bd5b66049738617cc9972651bf5bJeff Brown updateScaledDuration(); // in case the scale factor has changed since creation time 11019c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler animationHandler = getOrCreateAnimationHandler(); 11029c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown animationHandler.mPendingAnimations.add(this); 11032970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase if (mStartDelay == 0) { 1104add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase // This sets the initial value of the animation, prior to actually starting it running 11050d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase if (prevPlayingState != SEEKED) { 11060d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase setCurrentPlayTime(0); 11070d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase } 1108154f14508a11627d5a995b6fe2a14a83d794a6feChet Haase mPlayingState = STOPPED; 11098b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mRunning = true; 111017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 1111a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 111220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown animationHandler.start(); 1113a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1114a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1115a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1116a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void start() { 1117a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase start(false); 1118a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1119a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1120a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1121a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void cancel() { 11222970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase // Only cancel if the animation is actually running or has been started and is about 11232970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase // to run 11249c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = getOrCreateAnimationHandler(); 11259c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (mPlayingState != STOPPED 11269c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown || handler.mPendingAnimations.contains(this) 11279c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown || handler.mDelayedAnims.contains(this)) { 1128b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase // Only notify listeners if the animator has actually started 112917cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if ((mStarted || mRunning) && mListeners != null) { 113017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (!mRunning) { 113117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase // If it's not yet running, then start listeners weren't called. Call them now. 113217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 113317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 11347dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase ArrayList<AnimatorListener> tmpListeners = 11357dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 11367dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (AnimatorListener listener : tmpListeners) { 11377dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase listener.onAnimationCancel(this); 11387dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 11397dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 11409c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown endAnimation(handler); 11412970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase } 1142a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1143a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1144a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1145a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void end() { 11469c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = getOrCreateAnimationHandler(); 11479c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (!handler.mAnimations.contains(this) && !handler.mPendingAnimations.contains(this)) { 1148a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Special case if the animation has not yet started; get it ready for ending 1149a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartedDelay = false; 11509c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown startAnimation(handler); 115117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStarted = true; 1152add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase } else if (!mInitialized) { 1153add6577a0196258e5a48c5deefcdb12e05c935b3Chet Haase initAnimation(); 1154e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 11554dd176864310e1d9519bf6b88918913e9927984fChet Haase animateValue(mPlayingBackwards ? 0f : 1f); 11569c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown endAnimation(handler); 1157a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1158a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1159a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 11608aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void resume() { 11618aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 11628aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = true; 11638aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 11648aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.resume(); 11658aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 11668aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 11678aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 11688aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void pause() { 11698aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase boolean previouslyPaused = mPaused; 11708aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.pause(); 11718aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (!previouslyPaused && mPaused) { 11728aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = -1; 11738aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 11748aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 11758aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 11768aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 11778aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 1178a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public boolean isRunning() { 11798b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return (mPlayingState == RUNNING || mRunning); 11808b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase } 11818b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase 11828b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase @Override 11838b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase public boolean isStarted() { 11848b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return mStarted; 1185a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1186a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1187a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1188a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Plays the ValueAnimator in reverse. If the animation is already running, 1189a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * it will stop itself and play backwards from the point reached when reverse was called. 1190a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * If the animation is not currently running, then it will start from the end and 1191a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * play backwards. This behavior is only set for the current animation; future playing 1192a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of the animation will use the default behavior of playing forward. 1193a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 11947bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui @Override 1195a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void reverse() { 1196a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingBackwards = !mPlayingBackwards; 1197a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingState == RUNNING) { 1198a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentTime = AnimationUtils.currentAnimationTimeMillis(); 1199a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long currentPlayTime = currentTime - mStartTime; 1200a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase long timeLeft = mDuration - currentPlayTime; 1201a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime = currentTime - timeLeft; 1202c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mStartTimeCommitted = true; // do not allow start time to be compensated for jank 1203f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mReversing = !mReversing; 1204f43fb2a57f152b5760d8792fec26f36d46b23817Chet Haase } else if (mStarted) { 1205f43fb2a57f152b5760d8792fec26f36d46b23817Chet Haase end(); 1206a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 1207a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase start(true); 1208a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1209a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1210a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1211a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 12127bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui * @hide 12137bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui */ 12147bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui @Override 12157bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui public boolean canReverse() { 12167bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui return true; 12177bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui } 12187bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui 12197bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui /** 1220a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Called internally to end an animation by removing it from the animations list. Must be 1221a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * called on the UI thread. 1222d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * @hide 1223a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1224d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck protected void endAnimation(AnimationHandler handler) { 12259c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.remove(this); 12269c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mPendingAnimations.remove(this); 12279c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mDelayedAnims.remove(this); 1228a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mPlayingState = STOPPED; 12298aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPaused = false; 123017cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if ((mStarted || mRunning) && mListeners != null) { 123117cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase if (!mRunning) { 123217cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase // If it's not yet running, then start listeners weren't called. Call them now. 123317cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 123417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase } 1235a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ArrayList<AnimatorListener> tmpListeners = 1236a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 12377c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numListeners = tmpListeners.size(); 12387c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numListeners; ++i) { 12397c608f25d494c8a0a671e7373efbb47ca635367eChet Haase tmpListeners.get(i).onAnimationEnd(this); 1240a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1241a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 12428b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mRunning = false; 1243b8f574a165bf6ec5b316734b367ac274ded4809bChet Haase mStarted = false; 124417cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase mStartListenersCalled = false; 1245caf46486f54cdc899e383dfc776ec33a81b089a1Chet Haase mPlayingBackwards = false; 1246f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mReversing = false; 1247f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mCurrentIteration = 0; 12489b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) { 12499b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase Trace.asyncTraceEnd(Trace.TRACE_TAG_VIEW, getNameForTrace(), 12509b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase System.identityHashCode(this)); 12519b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase } 1252a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1253a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1254a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1255a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Called internally to start an animation by adding it to the active animations list. Must be 1256a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * called on the UI thread. 1257a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 12589c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown private void startAnimation(AnimationHandler handler) { 12599b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) { 12609b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase Trace.asyncTraceBegin(Trace.TRACE_TAG_VIEW, getNameForTrace(), 12619b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase System.identityHashCode(this)); 12629b80ca81a8cc33067d858c52c7acbef9d8bdaf6aChet Haase } 1263a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase initAnimation(); 12649c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.add(this); 1265b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase if (mStartDelay > 0 && mListeners != null) { 1266b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase // Listeners were already notified in start() if startDelay is 0; this is 1267b20db3ec34e846010f389880b2cfab4d7bf79820Chet Haase // just for delayed animations 126817cf42cb85c22b50ecfa8d21efc992f99d20fc45Chet Haase notifyStartListeners(); 1269a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1270a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1271a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1272a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1273fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase * Returns the name of this animator for debugging purposes. 1274fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase */ 1275fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase String getNameForTrace() { 1276fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase return "animator"; 1277fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase } 1278fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase 1279fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase 1280fdd3ad7018ebb054c0288b8cd92739703a973181Chet Haase /** 1281a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Internal function called to process an animation frame on an animation that is currently 1282a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * sleeping through its <code>startDelay</code> phase. The return value indicates whether it 1283a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be woken up and put on the active animations queue. 1284a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1285a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param currentTime The current animation time, used to calculate whether the animation 1286a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * has exceeded its <code>startDelay</code> and should be started. 1287a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return True if the animation's <code>startDelay</code> has been exceeded and the animation 1288a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be added to the set of active animations. 1289a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1290a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private boolean delayedAnimationFrame(long currentTime) { 1291a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (!mStartedDelay) { 1292a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartedDelay = true; 1293a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mDelayStartTime = currentTime; 12942ed16ac6238227dab2687519268f3683f045e2acGeorge Mount } 12952ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (mPaused) { 12962ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (mPauseTime < 0) { 12972ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mPauseTime = currentTime; 12988aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 12992ed16ac6238227dab2687519268f3683f045e2acGeorge Mount return false; 13002ed16ac6238227dab2687519268f3683f045e2acGeorge Mount } else if (mResumed) { 13012ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mResumed = false; 13022ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (mPauseTime > 0) { 13032ed16ac6238227dab2687519268f3683f045e2acGeorge Mount // Offset by the duration that the animation was paused 13042ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mDelayStartTime += (currentTime - mPauseTime); 1305a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1306a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 13072ed16ac6238227dab2687519268f3683f045e2acGeorge Mount long deltaTime = currentTime - mDelayStartTime; 13082ed16ac6238227dab2687519268f3683f045e2acGeorge Mount if (deltaTime > mStartDelay) { 1309c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown // startDelay ended - start the anim and record the mStartTime appropriately 1310c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mStartTime = mDelayStartTime + mStartDelay; 1311c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mStartTimeCommitted = true; // do not allow start time to be compensated for jank 13122ed16ac6238227dab2687519268f3683f045e2acGeorge Mount mPlayingState = RUNNING; 13132ed16ac6238227dab2687519268f3683f045e2acGeorge Mount return true; 13142ed16ac6238227dab2687519268f3683f045e2acGeorge Mount } 1315a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return false; 1316a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1317a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1318a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1319c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * Applies an adjustment to the animation to compensate for jank between when 1320c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown * the animation first ran and when the frame was drawn. 1321c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown */ 1322c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown void commitAnimationFrame(long adjustment) { 1323c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown if (!mStartTimeCommitted) { 1324c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mStartTimeCommitted = true; 1325c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown if (mPlayingState == RUNNING && adjustment > 0) { 1326c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mStartTime += adjustment; 1327c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown if (DEBUG) { 1328c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown Log.d(TAG, "Adjusted start time by " + adjustment + " ms: " + toString()); 1329c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown } 1330c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown } 1331c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown } 1332c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown } 1333c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown 1334c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown /** 1335a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This internal function processes a single animation frame for a given animation. The 1336a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * currentTime parameter is the timing pulse sent by the handler, used to calculate the 1337a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * elapsed duration, and therefore 1338a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * the elapsed fraction, of the animation. The return value indicates whether the animation 1339a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * should be ended (which happens when the elapsed time of the animation exceeds the 1340a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation's duration, including the repeatCount). 1341a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1342a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param currentTime The current time, as tracked by the static timing handler 1343a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return true if the animation's duration, including any repetitions due to 13448aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase * <code>repeatCount</code>, has been exceeded and the animation should be ended. 1345a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1346051d35e41f7b21cd8a1608bdce10cf70952c6be4Chet Haase boolean animationFrame(long currentTime) { 1347a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase boolean done = false; 1348a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase switch (mPlayingState) { 1349a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase case RUNNING: 1350a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase case SEEKED: 135170d4ba15b1f0c1133c5aabc86de828b41e482fffChet Haase float fraction = mDuration > 0 ? (float)(currentTime - mStartTime) / mDuration : 1f; 1352f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (mDuration == 0 && mRepeatCount != INFINITE) { 1353f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase // Skip to the end 1354f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mCurrentIteration = mRepeatCount; 1355f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase if (!mReversing) { 1356f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mPlayingBackwards = false; 1357f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 1358f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase } 1359a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (fraction >= 1f) { 1360d15e94f0309a91d5a75d03a9ae165121e7f24907Chet Haase if (mCurrentIteration < mRepeatCount || mRepeatCount == INFINITE) { 1361a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // Time to repeat 1362a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mListeners != null) { 13637c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numListeners = mListeners.size(); 13647c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numListeners; ++i) { 13657c608f25d494c8a0a671e7373efbb47ca635367eChet Haase mListeners.get(i).onAnimationRepeat(this); 1366a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1367a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1368a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mRepeatMode == REVERSE) { 136918772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy mPlayingBackwards = !mPlayingBackwards; 1370a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1371f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase mCurrentIteration += (int) fraction; 1372730666858692ea396f5ad779654b5d86ff90b6caChet Haase fraction = fraction % 1f; 1373a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mStartTime += mDuration; 1374c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown // Note: We do not need to update the value of mStartTimeCommitted here 1375c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown // since we just added a duration offset. 1376a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else { 1377a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase done = true; 1378a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = Math.min(fraction, 1.0f); 1379a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1380a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1381a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mPlayingBackwards) { 1382a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = 1f - fraction; 1383a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1384a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase animateValue(fraction); 1385a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase break; 1386a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1387a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1388a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return done; 1389a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1390a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1391a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 139220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * Processes a frame of the animation, adjusting the start time if needed. 139320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * 139420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * @param frameTime The frame time. 139520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown * @return true if the animation has ended. 139620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown */ 139720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown final boolean doAnimationFrame(long frameTime) { 139820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown if (mPlayingState == STOPPED) { 139920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mPlayingState = RUNNING; 14000d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase if (mSeekFraction < 0) { 140120c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown mStartTime = frameTime; 140220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } else { 14030d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase long seekTime = (long) (mDuration * mSeekFraction); 14040d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase mStartTime = frameTime - seekTime; 14050d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase mSeekFraction = -1; 140620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 1407c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mStartTimeCommitted = false; // allow start time to be compensated for jank 140820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 14098aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPaused) { 14108aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime < 0) { 14118aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPauseTime = frameTime; 14128aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 14138aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase return false; 14148aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } else if (mResumed) { 14158aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mResumed = false; 14168aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mPauseTime > 0) { 14178aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase // Offset by the duration that the animation was paused 14188aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mStartTime += (frameTime - mPauseTime); 1419c42b28dda45347b05826dc3e04f5605a60867a63Jeff Brown mStartTimeCommitted = false; // allow start time to be compensated for jank 14208aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 14218aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 142220c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // The frame time might be before the start time during the first frame of 142320c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // an animation. The "current time" must always be on or after the start 142420c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // time to avoid animating frames at negative time intervals. In practice, this 142520c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown // is very rare and only happens when seeking backwards. 142620c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown final long currentTime = Math.max(frameTime, mStartTime); 142720c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown return animationFrame(currentTime); 142820c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown } 142920c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown 143020c4f87b2916d05e860d11568d7db6b2d340e909Jeff Brown /** 1431a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * Returns the current animation fraction, which is the elapsed/interpolated fraction used in 1432a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * the most recent frame update on the animation. 1433a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * 1434a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase * @return Elapsed/interpolated fraction of the animation. 1435a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase */ 1436a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase public float getAnimatedFraction() { 1437a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase return mCurrentFraction; 1438a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase } 1439a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase 1440a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase /** 1441a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This method is called with the elapsed fraction of the animation during every 1442a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation frame. This function turns the elapsed fraction into an interpolated fraction 1443a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * and then into an animated value (from the evaluator. The function is called mostly during 1444a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animation updates, but it is also called when the <code>end()</code> 1445a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * function is called, to set the final value on the property. 1446a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1447a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Overrides of this method must call the superclass to perform the calculation 1448a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of the animated value.</p> 1449a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1450a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param fraction The elapsed fraction of the animation. 1451a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1452c615c6fc9caca76cd96998f86e1f1e6393aeadbbTor Norbye @CallSuper 1453a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void animateValue(float fraction) { 1454a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase fraction = mInterpolator.getInterpolation(fraction); 1455a00f3865f55c5c9cb74510ee2b239d101230133cChet Haase mCurrentFraction = fraction; 1456a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = mValues.length; 1457a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 1458a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mValues[i].calculateValue(fraction); 1459a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1460a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners != null) { 1461a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numListeners = mUpdateListeners.size(); 1462a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numListeners; ++i) { 1463a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mUpdateListeners.get(i).onAnimationUpdate(this); 1464a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1465a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1466a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1467a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1468a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase @Override 1469a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public ValueAnimator clone() { 1470a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase final ValueAnimator anim = (ValueAnimator) super.clone(); 1471a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mUpdateListeners != null) { 1472d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar anim.mUpdateListeners = new ArrayList<AnimatorUpdateListener>(mUpdateListeners); 1473a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 14740d1c27a713cb49de8f6f4fd0a129baa883153921Chet Haase anim.mSeekFraction = -1; 1475a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mPlayingBackwards = false; 1476f4e3bab9253bba2c0086c35f4e5a1f7e41324876Chet Haase anim.mReversing = false; 1477a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mCurrentIteration = 0; 1478a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mInitialized = false; 1479a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mPlayingState = STOPPED; 1480a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mStartedDelay = false; 148126e9a19900bae56b012425a114685d42dfa2fde1ztenghui anim.mStarted = false; 148226e9a19900bae56b012425a114685d42dfa2fde1ztenghui anim.mRunning = false; 148326e9a19900bae56b012425a114685d42dfa2fde1ztenghui anim.mPaused = false; 148426e9a19900bae56b012425a114685d42dfa2fde1ztenghui anim.mResumed = false; 148526e9a19900bae56b012425a114685d42dfa2fde1ztenghui anim.mStartListenersCalled = false; 1486e1b5c2b48a5cf1dd3712dde35b59bc18851b4018ztenghui anim.mStartTime = 0; 1487e1b5c2b48a5cf1dd3712dde35b59bc18851b4018ztenghui anim.mStartTimeCommitted = false; 1488e1b5c2b48a5cf1dd3712dde35b59bc18851b4018ztenghui anim.mPauseTime = 0; 1489e1b5c2b48a5cf1dd3712dde35b59bc18851b4018ztenghui anim.mCurrentFraction = 0; 1490e1b5c2b48a5cf1dd3712dde35b59bc18851b4018ztenghui anim.mDelayStartTime = 0; 149126e9a19900bae56b012425a114685d42dfa2fde1ztenghui 1492a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase PropertyValuesHolder[] oldValues = mValues; 1493a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (oldValues != null) { 1494a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase int numValues = oldValues.length; 1495a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mValues = new PropertyValuesHolder[numValues]; 1496a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mValuesMap = new HashMap<String, PropertyValuesHolder>(numValues); 1497a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < numValues; ++i) { 1498d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase PropertyValuesHolder newValuesHolder = oldValues[i].clone(); 1499d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase anim.mValues[i] = newValuesHolder; 1500d4dd7025a1b356476e119de19a2e2cd5cf50d43cChet Haase anim.mValuesMap.put(newValuesHolder.getPropertyName(), newValuesHolder); 1501a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1502a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1503a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase return anim; 1504a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1505a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1506a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1507a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Implementors of this interface can add themselves as update listeners 1508a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to an <code>ValueAnimator</code> instance to receive callbacks on every animation 1509a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * frame, after the current frame's values have been calculated for that 1510a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>ValueAnimator</code>. 1511a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1512a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public static interface AnimatorUpdateListener { 1513a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase /** 1514a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Notifies the occurrence of another frame of the animation.</p> 1515a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * 1516a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param animation The animation which was repeated. 1517a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase */ 1518a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase void onAnimationUpdate(ValueAnimator animation); 1519a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase 1520a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } 1521599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick 1522599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick /** 1523599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * Return the number of animations currently running. 1524599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * 15259c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * Used by StrictMode internally to annotate violations. 15269c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown * May be called on arbitrary threads! 1527599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * 1528599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * @hide 1529599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick */ 1530599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick public static int getCurrentAnimationsCount() { 15319c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 15329c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown return handler != null ? handler.mAnimations.size() : 0; 1533599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick } 15348901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy 15358901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy /** 15368901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * Clear all animations on this thread, without canceling or ending them. 15378901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * This should be used with caution. 15388901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * 15398901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy * @hide 15408901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy */ 15418901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy public static void clearAllAnimations() { 15429c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 15439c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (handler != null) { 15449c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mAnimations.clear(); 15459c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mPendingAnimations.clear(); 15469c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler.mDelayedAnims.clear(); 15479c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 15489c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 15499c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown 155018772ea228f3d292629c4f0b5f6392d047e0530dRomain Guy private static AnimationHandler getOrCreateAnimationHandler() { 15519c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown AnimationHandler handler = sAnimationHandler.get(); 15529c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown if (handler == null) { 15539c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown handler = new AnimationHandler(); 15549c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown sAnimationHandler.set(handler); 15559c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown } 15569c38dbeb1d183ecd48bbf5d18a39f5e0508a1223Jeff Brown return handler; 15578901ffab294934fc4899143f31bd58f3d58df225Patrick Dubroy } 1558e9140a72b1059574046a624b471b2c3a35806496Chet Haase 1559e9140a72b1059574046a624b471b2c3a35806496Chet Haase @Override 1560e9140a72b1059574046a624b471b2c3a35806496Chet Haase public String toString() { 1561e9140a72b1059574046a624b471b2c3a35806496Chet Haase String returnVal = "ValueAnimator@" + Integer.toHexString(hashCode()); 1562e9140a72b1059574046a624b471b2c3a35806496Chet Haase if (mValues != null) { 1563e9140a72b1059574046a624b471b2c3a35806496Chet Haase for (int i = 0; i < mValues.length; ++i) { 1564e9140a72b1059574046a624b471b2c3a35806496Chet Haase returnVal += "\n " + mValues[i].toString(); 1565e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1566e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1567e9140a72b1059574046a624b471b2c3a35806496Chet Haase return returnVal; 1568e9140a72b1059574046a624b471b2c3a35806496Chet Haase } 1569d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck 1570d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck /** 1571d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <p>Whether or not the ValueAnimator is allowed to run asynchronously off of 1572d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * the UI thread. This is a hint that informs the ValueAnimator that it is 1573d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * OK to run the animation off-thread, however ValueAnimator may decide 1574d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * that it must run the animation on the UI thread anyway. For example if there 1575d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * is an {@link AnimatorUpdateListener} the animation will run on the UI thread, 1576d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * regardless of the value of this hint.</p> 1577d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * 1578d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <p>Regardless of whether or not the animation runs asynchronously, all 1579d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * listener callbacks will be called on the UI thread.</p> 1580d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * 1581d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <p>To be able to use this hint the following must be true:</p> 1582d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <ol> 1583d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>{@link #getAnimatedFraction()} is not needed (it will return undefined values).</li> 1584d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>The animator is immutable while {@link #isStarted()} is true. Requests 1585d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * to change values, duration, delay, etc... may be ignored.</li> 1586d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>Lifecycle callback events may be asynchronous. Events such as 1587d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * {@link Animator.AnimatorListener#onAnimationEnd(Animator)} or 1588d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * {@link Animator.AnimatorListener#onAnimationRepeat(Animator)} may end up delayed 1589d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * as they must be posted back to the UI thread, and any actions performed 1590d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * by those callbacks (such as starting new animations) will not happen 1591d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * in the same frame.</li> 1592d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * <li>State change requests ({@link #cancel()}, {@link #end()}, {@link #reverse()}, etc...) 1593d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * may be asynchronous. It is guaranteed that all state changes that are 1594d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * performed on the UI thread in the same frame will be applied as a single 1595d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * atomic update, however that frame may be the current frame, 1596d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * the next frame, or some future frame. This will also impact the observed 1597d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * state of the Animator. For example, {@link #isStarted()} may still return true 1598d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * after a call to {@link #end()}. Using the lifecycle callbacks is preferred over 1599d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * queries to {@link #isStarted()}, {@link #isRunning()}, and {@link #isPaused()} 1600d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * for this reason.</li> 1601d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * </ol> 1602d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck * @hide 1603d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck */ 1604c01bd1167a1b08d59557f214ddc48cf24d3b8d0aJohn Reck @Override 1605d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck public void setAllowRunningAsynchronously(boolean mayRunAsync) { 1606d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck // It is up to subclasses to support this, if they can. 1607d3de42cae84fadfa1befd082a2cf1bf72f9ad82aJohn Reck } 1608599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick} 1609