AnimatorInflater.java revision e54d245b993e1347cb32c23a6bdc907a45fab324
1d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase/* 2d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * Copyright (C) 2010 The Android Open Source Project 3d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * 4d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * Licensed under the Apache License, Version 2.0 (the "License"); 5d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * you may not use this file except in compliance with the License. 6d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * You may obtain a copy of the License at 7d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * 8d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * http://www.apache.org/licenses/LICENSE-2.0 9d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * 10d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * Unless required by applicable law or agreed to in writing, software 11d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * distributed under the License is distributed on an "AS IS" BASIS, 12d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * See the License for the specific language governing permissions and 14d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * limitations under the License. 15d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase */ 16d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haasepackage android.animation; 17d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase 187b9c912f536925ac6ec43935d6e97506851b33d6Tor Norbyeimport android.annotation.AnimatorRes; 19d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haaseimport android.content.Context; 20d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyarimport android.content.res.ConfigurationBoundResourceCache; 21d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyarimport android.content.res.ConstantState; 22d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haaseimport android.content.res.Resources; 23cf4832f69c8786b098ce18c24319021f8cd6733aztenghuiimport android.content.res.Resources.NotFoundException; 24e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghuiimport android.content.res.Resources.Theme; 25d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haaseimport android.content.res.TypedArray; 26d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haaseimport android.content.res.XmlResourceParser; 27cf4832f69c8786b098ce18c24319021f8cd6733aztenghuiimport android.graphics.Path; 28d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haaseimport android.util.AttributeSet; 29eb034fbca40006c55db143047eb628c4b657730aztenghuiimport android.util.Log; 30cf4832f69c8786b098ce18c24319021f8cd6733aztenghuiimport android.util.PathParser; 31f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyarimport android.util.StateSet; 325bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haaseimport android.util.TypedValue; 33d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haaseimport android.util.Xml; 34eb034fbca40006c55db143047eb628c4b657730aztenghuiimport android.view.InflateException; 35d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haaseimport android.view.animation.AnimationUtils; 36d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyarimport android.view.animation.BaseInterpolator; 37d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyarimport android.view.animation.Interpolator; 38e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 39e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghuiimport com.android.internal.R; 40e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 41d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haaseimport org.xmlpull.v1.XmlPullParser; 42d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haaseimport org.xmlpull.v1.XmlPullParserException; 43d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase 44d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haaseimport java.io.IOException; 45d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haaseimport java.util.ArrayList; 46d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase 47d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase/** 486cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase * This class is used to instantiate animator XML files into Animator objects. 49d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * <p> 506cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase * For performance reasons, inflation relies heavily on pre-processing of 51d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * XML files that is done at build time. Therefore, it is not currently possible 526cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase * to use this inflater with an XmlPullParser over a plain XML file at runtime; 53d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * it only works with an XmlPullParser returned from a compiled resource (R. 54d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * <em>something</em> file.) 55d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase */ 56a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haasepublic class AnimatorInflater { 57eb034fbca40006c55db143047eb628c4b657730aztenghui private static final String TAG = "AnimatorInflater"; 58d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase /** 59a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * These flags are used when parsing AnimatorSet objects 60d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase */ 61d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase private static final int TOGETHER = 0; 62d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase private static final int SEQUENTIALLY = 1; 63d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase 64d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase /** 65d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * Enum values used in XML attributes to indicate the value for mValueType 66d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase */ 67d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase private static final int VALUE_TYPE_FLOAT = 0; 68d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase private static final int VALUE_TYPE_INT = 1; 69eb034fbca40006c55db143047eb628c4b657730aztenghui private static final int VALUE_TYPE_PATH = 2; 70d430753cba09acb07af8b313286f247c78a41a32Chet Haase private static final int VALUE_TYPE_COLOR = 3; 719032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu private static final int VALUE_TYPE_UNDEFINED = 4; 72d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase 73eb034fbca40006c55db143047eb628c4b657730aztenghui private static final boolean DBG_ANIMATOR_INFLATER = false; 74eb034fbca40006c55db143047eb628c4b657730aztenghui 75d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar // used to calculate changing configs for resource references 76d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar private static final TypedValue sTmpTypedValue = new TypedValue(); 77d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar 78d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase /** 79a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Loads an {@link Animator} object from a resource 80d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * 817513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu * @param context Application context used to access resources 82d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * @param id The resource id of the animation to load 83a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return The animator object reference by the specified id 84d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase * @throws android.content.res.Resources.NotFoundException when the animation cannot be loaded 85d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase */ 867b9c912f536925ac6ec43935d6e97506851b33d6Tor Norbye public static Animator loadAnimator(Context context, @AnimatorRes int id) 87d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase throws NotFoundException { 887513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu return loadAnimator(context.getResources(), context.getTheme(), id); 89e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 90e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 91e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui /** 92e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * Loads an {@link Animator} object from a resource 93e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * 947513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu * @param resources The resources 95e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * @param theme The theme 96e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * @param id The resource id of the animation to load 97e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * @return The animator object reference by the specified id 98e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * @throws android.content.res.Resources.NotFoundException when the animation cannot be loaded 99e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * @hide 100e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui */ 1017513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu public static Animator loadAnimator(Resources resources, Theme theme, int id) 102e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui throws NotFoundException { 1037513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu return loadAnimator(resources, theme, id, 1); 104fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount } 105fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount 106fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount /** @hide */ 107fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount public static Animator loadAnimator(Resources resources, Theme theme, int id, 108fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount float pathErrorScale) throws NotFoundException { 109d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar final ConfigurationBoundResourceCache<Animator> animatorCache = resources 110d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar .getAnimatorCache(); 111e54d245b993e1347cb32c23a6bdc907a45fab324Alan Viverette Animator animator = animatorCache.getInstance(id, theme); 112d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar if (animator != null) { 113d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar if (DBG_ANIMATOR_INFLATER) { 114d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar Log.d(TAG, "loaded animator from cache, " + resources.getResourceName(id)); 115d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } 116d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar return animator; 117d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } else if (DBG_ANIMATOR_INFLATER) { 118d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar Log.d(TAG, "cache miss for animator " + resources.getResourceName(id)); 119d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } 120d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase XmlResourceParser parser = null; 121d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase try { 122e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui parser = resources.getAnimation(id); 1237513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu animator = createAnimatorFromXml(resources, theme, parser, pathErrorScale); 124d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar if (animator != null) { 125d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar animator.appendChangingConfigurations(getChangingConfigs(resources, id)); 126d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar final ConstantState<Animator> constantState = animator.createConstantState(); 127d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar if (constantState != null) { 128d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar if (DBG_ANIMATOR_INFLATER) { 129d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar Log.d(TAG, "caching animator for res " + resources.getResourceName(id)); 130d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } 131d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar animatorCache.put(id, theme, constantState); 132d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar // create a new animator so that cached version is never used by the user 133d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar animator = constantState.newInstance(resources, theme); 134d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } 135d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } 136d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar return animator; 137d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase } catch (XmlPullParserException ex) { 138d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase Resources.NotFoundException rnf = 139d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase new Resources.NotFoundException("Can't load animation resource ID #0x" + 140fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount Integer.toHexString(id)); 141d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase rnf.initCause(ex); 142d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase throw rnf; 143d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase } catch (IOException ex) { 144d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase Resources.NotFoundException rnf = 145d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase new Resources.NotFoundException("Can't load animation resource ID #0x" + 146fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount Integer.toHexString(id)); 147d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase rnf.initCause(ex); 148d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase throw rnf; 149d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase } finally { 150d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase if (parser != null) parser.close(); 151d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase } 152d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase } 153d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase 154f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar public static StateListAnimator loadStateListAnimator(Context context, int id) 155f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar throws NotFoundException { 156d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar final Resources resources = context.getResources(); 157d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar final ConfigurationBoundResourceCache<StateListAnimator> cache = resources 158d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar .getStateListAnimatorCache(); 159d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar final Theme theme = context.getTheme(); 160e54d245b993e1347cb32c23a6bdc907a45fab324Alan Viverette StateListAnimator animator = cache.getInstance(id, theme); 161d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar if (animator != null) { 162d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar return animator; 163d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } 164f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar XmlResourceParser parser = null; 165f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar try { 166d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar parser = resources.getAnimation(id); 167d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar animator = createStateListAnimatorFromXml(context, parser, Xml.asAttributeSet(parser)); 168d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar if (animator != null) { 169d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar animator.appendChangingConfigurations(getChangingConfigs(resources, id)); 170d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar final ConstantState<StateListAnimator> constantState = animator 171d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar .createConstantState(); 172d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar if (constantState != null) { 173d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar cache.put(id, theme, constantState); 174d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar // return a clone so that the animator in constant state is never used. 175d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar animator = constantState.newInstance(resources, theme); 176d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } 177d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } 178d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar return animator; 179f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } catch (XmlPullParserException ex) { 180f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar Resources.NotFoundException rnf = 181f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar new Resources.NotFoundException( 182f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar "Can't load state list animator resource ID #0x" + 183f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar Integer.toHexString(id) 184f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar ); 185f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar rnf.initCause(ex); 186f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar throw rnf; 187f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } catch (IOException ex) { 188f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar Resources.NotFoundException rnf = 189f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar new Resources.NotFoundException( 190f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar "Can't load state list animator resource ID #0x" + 191f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar Integer.toHexString(id) 192f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar ); 193f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar rnf.initCause(ex); 194f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar throw rnf; 195f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } finally { 196f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar if (parser != null) { 197f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar parser.close(); 198f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } 199f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } 200f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } 201f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar 202f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar private static StateListAnimator createStateListAnimatorFromXml(Context context, 203f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar XmlPullParser parser, AttributeSet attributeSet) 204f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar throws IOException, XmlPullParserException { 205f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar int type; 206f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar StateListAnimator stateListAnimator = new StateListAnimator(); 207f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar 208f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar while (true) { 209f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar type = parser.next(); 210f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar switch (type) { 211f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar case XmlPullParser.END_DOCUMENT: 212f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar case XmlPullParser.END_TAG: 213f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar return stateListAnimator; 214f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar 215f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar case XmlPullParser.START_TAG: 216f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar // parse item 217f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar Animator animator = null; 218f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar if ("item".equals(parser.getName())) { 219f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar int attributeCount = parser.getAttributeCount(); 220f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar int[] states = new int[attributeCount]; 221f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar int stateIndex = 0; 222f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar for (int i = 0; i < attributeCount; i++) { 223f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar int attrName = attributeSet.getAttributeNameResource(i); 224cf4832f69c8786b098ce18c24319021f8cd6733aztenghui if (attrName == R.attr.animation) { 225d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar final int animId = attributeSet.getAttributeResourceValue(i, 0); 226d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar animator = loadAnimator(context, animId); 227f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } else { 228f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar states[stateIndex++] = 229f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar attributeSet.getAttributeBooleanValue(i, false) ? 230f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar attrName : -attrName; 231f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } 232f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } 233f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar if (animator == null) { 234e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui animator = createAnimatorFromXml(context.getResources(), 2357513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu context.getTheme(), parser, 1f); 236f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } 237f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar 238f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar if (animator == null) { 239f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar throw new Resources.NotFoundException( 240f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar "animation state item must have a valid animation"); 241f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } 242f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar stateListAnimator 243f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar .addState(StateSet.trimStateSet(states, stateIndex), animator); 244f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } 245f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar break; 246f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } 247f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } 248f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar } 249f4c5bf30b445874cf353e1b96cab94185a39ce6dYigit Boyar 250cf4832f69c8786b098ce18c24319021f8cd6733aztenghui /** 251eb034fbca40006c55db143047eb628c4b657730aztenghui * PathDataEvaluator is used to interpolate between two paths which are 252eb034fbca40006c55db143047eb628c4b657730aztenghui * represented in the same format but different control points' values. 253eb034fbca40006c55db143047eb628c4b657730aztenghui * The path is represented as an array of PathDataNode here, which is 254eb034fbca40006c55db143047eb628c4b657730aztenghui * fundamentally an array of floating point numbers. 255eb034fbca40006c55db143047eb628c4b657730aztenghui */ 256eb034fbca40006c55db143047eb628c4b657730aztenghui private static class PathDataEvaluator implements TypeEvaluator<PathParser.PathDataNode[]> { 257eb034fbca40006c55db143047eb628c4b657730aztenghui private PathParser.PathDataNode[] mNodeArray; 258eb034fbca40006c55db143047eb628c4b657730aztenghui 259eb034fbca40006c55db143047eb628c4b657730aztenghui /** 260eb034fbca40006c55db143047eb628c4b657730aztenghui * Create a PathParser.PathDataNode[] that does not reuse the animated value. 261eb034fbca40006c55db143047eb628c4b657730aztenghui * Care must be taken when using this option because on every evaluation 262eb034fbca40006c55db143047eb628c4b657730aztenghui * a new <code>PathParser.PathDataNode[]</code> will be allocated. 263eb034fbca40006c55db143047eb628c4b657730aztenghui */ 264eb034fbca40006c55db143047eb628c4b657730aztenghui private PathDataEvaluator() {} 265eb034fbca40006c55db143047eb628c4b657730aztenghui 266eb034fbca40006c55db143047eb628c4b657730aztenghui /** 267eb034fbca40006c55db143047eb628c4b657730aztenghui * Create a PathDataEvaluator that reuses <code>nodeArray</code> for every evaluate() call. 268eb034fbca40006c55db143047eb628c4b657730aztenghui * Caution must be taken to ensure that the value returned from 269eb034fbca40006c55db143047eb628c4b657730aztenghui * {@link android.animation.ValueAnimator#getAnimatedValue()} is not cached, modified, or 270eb034fbca40006c55db143047eb628c4b657730aztenghui * used across threads. The value will be modified on each <code>evaluate()</code> call. 271eb034fbca40006c55db143047eb628c4b657730aztenghui * 272eb034fbca40006c55db143047eb628c4b657730aztenghui * @param nodeArray The array to modify and return from <code>evaluate</code>. 273eb034fbca40006c55db143047eb628c4b657730aztenghui */ 274eb034fbca40006c55db143047eb628c4b657730aztenghui public PathDataEvaluator(PathParser.PathDataNode[] nodeArray) { 275eb034fbca40006c55db143047eb628c4b657730aztenghui mNodeArray = nodeArray; 276eb034fbca40006c55db143047eb628c4b657730aztenghui } 277eb034fbca40006c55db143047eb628c4b657730aztenghui 278eb034fbca40006c55db143047eb628c4b657730aztenghui @Override 279eb034fbca40006c55db143047eb628c4b657730aztenghui public PathParser.PathDataNode[] evaluate(float fraction, 280eb034fbca40006c55db143047eb628c4b657730aztenghui PathParser.PathDataNode[] startPathData, 281eb034fbca40006c55db143047eb628c4b657730aztenghui PathParser.PathDataNode[] endPathData) { 282eb034fbca40006c55db143047eb628c4b657730aztenghui if (!PathParser.canMorph(startPathData, endPathData)) { 283eb034fbca40006c55db143047eb628c4b657730aztenghui throw new IllegalArgumentException("Can't interpolate between" 284eb034fbca40006c55db143047eb628c4b657730aztenghui + " two incompatible pathData"); 285eb034fbca40006c55db143047eb628c4b657730aztenghui } 286eb034fbca40006c55db143047eb628c4b657730aztenghui 287eb034fbca40006c55db143047eb628c4b657730aztenghui if (mNodeArray == null || !PathParser.canMorph(mNodeArray, startPathData)) { 288eb034fbca40006c55db143047eb628c4b657730aztenghui mNodeArray = PathParser.deepCopyNodes(startPathData); 289eb034fbca40006c55db143047eb628c4b657730aztenghui } 290eb034fbca40006c55db143047eb628c4b657730aztenghui 291eb034fbca40006c55db143047eb628c4b657730aztenghui for (int i = 0; i < startPathData.length; i++) { 292eb034fbca40006c55db143047eb628c4b657730aztenghui mNodeArray[i].interpolatePathDataNode(startPathData[i], 293eb034fbca40006c55db143047eb628c4b657730aztenghui endPathData[i], fraction); 294eb034fbca40006c55db143047eb628c4b657730aztenghui } 295eb034fbca40006c55db143047eb628c4b657730aztenghui 296eb034fbca40006c55db143047eb628c4b657730aztenghui return mNodeArray; 297eb034fbca40006c55db143047eb628c4b657730aztenghui } 298eb034fbca40006c55db143047eb628c4b657730aztenghui } 299eb034fbca40006c55db143047eb628c4b657730aztenghui 300d430753cba09acb07af8b313286f247c78a41a32Chet Haase private static PropertyValuesHolder getPVH(TypedArray styledAttributes, int valueType, 301d430753cba09acb07af8b313286f247c78a41a32Chet Haase int valueFromId, int valueToId, String propertyName) { 3025bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase 303d430753cba09acb07af8b313286f247c78a41a32Chet Haase TypedValue tvFrom = styledAttributes.peekValue(valueFromId); 3045bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase boolean hasFrom = (tvFrom != null); 3055bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase int fromType = hasFrom ? tvFrom.type : 0; 306d430753cba09acb07af8b313286f247c78a41a32Chet Haase TypedValue tvTo = styledAttributes.peekValue(valueToId); 3075bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase boolean hasTo = (tvTo != null); 3085bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase int toType = hasTo ? tvTo.type : 0; 3095bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase 3109032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu if (valueType == VALUE_TYPE_UNDEFINED) { 3119032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu // Check whether it's color type. If not, fall back to default type (i.e. float type) 3129032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu if ((hasFrom && isColorType(fromType)) || (hasTo && isColorType(toType))) { 3139032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu valueType = VALUE_TYPE_COLOR; 3149032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } else { 3159032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu valueType = VALUE_TYPE_FLOAT; 3169032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } 3179032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } 3189032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu 3199032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu boolean getFloats = (valueType == VALUE_TYPE_FLOAT); 3209032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu 321d430753cba09acb07af8b313286f247c78a41a32Chet Haase PropertyValuesHolder returnValue = null; 322d430753cba09acb07af8b313286f247c78a41a32Chet Haase 323eb034fbca40006c55db143047eb628c4b657730aztenghui if (valueType == VALUE_TYPE_PATH) { 324d430753cba09acb07af8b313286f247c78a41a32Chet Haase String fromString = styledAttributes.getString(valueFromId); 325d430753cba09acb07af8b313286f247c78a41a32Chet Haase String toString = styledAttributes.getString(valueToId); 326d430753cba09acb07af8b313286f247c78a41a32Chet Haase PathParser.PathDataNode[] nodesFrom = PathParser.createNodesFromPathData(fromString); 327d430753cba09acb07af8b313286f247c78a41a32Chet Haase PathParser.PathDataNode[] nodesTo = PathParser.createNodesFromPathData(toString); 328d430753cba09acb07af8b313286f247c78a41a32Chet Haase 329d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (nodesFrom != null || nodesTo != null) { 330d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (nodesFrom != null) { 331d430753cba09acb07af8b313286f247c78a41a32Chet Haase TypeEvaluator evaluator = 332d430753cba09acb07af8b313286f247c78a41a32Chet Haase new PathDataEvaluator(PathParser.deepCopyNodes(nodesFrom)); 333d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (nodesTo != null) { 334d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (!PathParser.canMorph(nodesFrom, nodesTo)) { 335d430753cba09acb07af8b313286f247c78a41a32Chet Haase throw new InflateException(" Can't morph from " + fromString + " to " + 336d430753cba09acb07af8b313286f247c78a41a32Chet Haase toString); 337d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 338d430753cba09acb07af8b313286f247c78a41a32Chet Haase returnValue = PropertyValuesHolder.ofObject(propertyName, evaluator, 339d430753cba09acb07af8b313286f247c78a41a32Chet Haase nodesFrom, nodesTo); 340d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 341d430753cba09acb07af8b313286f247c78a41a32Chet Haase returnValue = PropertyValuesHolder.ofObject(propertyName, evaluator, 342d430753cba09acb07af8b313286f247c78a41a32Chet Haase (Object) nodesFrom); 343d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 344d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else if (nodesTo != null) { 345d430753cba09acb07af8b313286f247c78a41a32Chet Haase TypeEvaluator evaluator = 346d430753cba09acb07af8b313286f247c78a41a32Chet Haase new PathDataEvaluator(PathParser.deepCopyNodes(nodesTo)); 347d430753cba09acb07af8b313286f247c78a41a32Chet Haase returnValue = PropertyValuesHolder.ofObject(propertyName, evaluator, 348d430753cba09acb07af8b313286f247c78a41a32Chet Haase (Object) nodesTo); 349d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 350d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 351eb034fbca40006c55db143047eb628c4b657730aztenghui } else { 352d430753cba09acb07af8b313286f247c78a41a32Chet Haase TypeEvaluator evaluator = null; 353eb034fbca40006c55db143047eb628c4b657730aztenghui // Integer and float value types are handled here. 3549032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu if (valueType == VALUE_TYPE_COLOR) { 355eb034fbca40006c55db143047eb628c4b657730aztenghui // special case for colors: ignore valueType and get ints 356eb034fbca40006c55db143047eb628c4b657730aztenghui evaluator = ArgbEvaluator.getInstance(); 357eb034fbca40006c55db143047eb628c4b657730aztenghui } 358d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (getFloats) { 359d430753cba09acb07af8b313286f247c78a41a32Chet Haase float valueFrom; 360d430753cba09acb07af8b313286f247c78a41a32Chet Haase float valueTo; 361d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (hasFrom) { 362d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (fromType == TypedValue.TYPE_DIMENSION) { 363d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueFrom = styledAttributes.getDimension(valueFromId, 0f); 364d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 365d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueFrom = styledAttributes.getFloat(valueFromId, 0f); 366d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 367d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (hasTo) { 368d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (toType == TypedValue.TYPE_DIMENSION) { 369d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueTo = styledAttributes.getDimension(valueToId, 0f); 370d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 371d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueTo = styledAttributes.getFloat(valueToId, 0f); 372d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 373d430753cba09acb07af8b313286f247c78a41a32Chet Haase returnValue = PropertyValuesHolder.ofFloat(propertyName, 374d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueFrom, valueTo); 375d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 376d430753cba09acb07af8b313286f247c78a41a32Chet Haase returnValue = PropertyValuesHolder.ofFloat(propertyName, valueFrom); 377d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 378d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 379d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (toType == TypedValue.TYPE_DIMENSION) { 380d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueTo = styledAttributes.getDimension(valueToId, 0f); 381d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 382d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueTo = styledAttributes.getFloat(valueToId, 0f); 383d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 384d430753cba09acb07af8b313286f247c78a41a32Chet Haase returnValue = PropertyValuesHolder.ofFloat(propertyName, valueTo); 385d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 386d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 387d430753cba09acb07af8b313286f247c78a41a32Chet Haase int valueFrom; 388d430753cba09acb07af8b313286f247c78a41a32Chet Haase int valueTo; 389d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (hasFrom) { 390d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (fromType == TypedValue.TYPE_DIMENSION) { 391d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueFrom = (int) styledAttributes.getDimension(valueFromId, 0f); 3929032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } else if (isColorType(fromType)) { 393d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueFrom = styledAttributes.getColor(valueFromId, 0); 394d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 395d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueFrom = styledAttributes.getInt(valueFromId, 0); 396d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 397d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (hasTo) { 398d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (toType == TypedValue.TYPE_DIMENSION) { 399d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueTo = (int) styledAttributes.getDimension(valueToId, 0f); 4009032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } else if (isColorType(toType)) { 401d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueTo = styledAttributes.getColor(valueToId, 0); 402d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 403d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueTo = styledAttributes.getInt(valueToId, 0); 404d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 405d430753cba09acb07af8b313286f247c78a41a32Chet Haase returnValue = PropertyValuesHolder.ofInt(propertyName, valueFrom, valueTo); 406d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 407d430753cba09acb07af8b313286f247c78a41a32Chet Haase returnValue = PropertyValuesHolder.ofInt(propertyName, valueFrom); 408d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 409d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 410d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (hasTo) { 411d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (toType == TypedValue.TYPE_DIMENSION) { 412d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueTo = (int) styledAttributes.getDimension(valueToId, 0f); 4139032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } else if (isColorType(toType)) { 414d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueTo = styledAttributes.getColor(valueToId, 0); 415d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 416d430753cba09acb07af8b313286f247c78a41a32Chet Haase valueTo = styledAttributes.getInt(valueToId, 0); 417d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 418d430753cba09acb07af8b313286f247c78a41a32Chet Haase returnValue = PropertyValuesHolder.ofInt(propertyName, valueTo); 419d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 420d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 421d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 422d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (returnValue != null && evaluator != null) { 423d430753cba09acb07af8b313286f247c78a41a32Chet Haase returnValue.setEvaluator(evaluator); 424d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 425d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 426d430753cba09acb07af8b313286f247c78a41a32Chet Haase 427d430753cba09acb07af8b313286f247c78a41a32Chet Haase return returnValue; 428d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 429d430753cba09acb07af8b313286f247c78a41a32Chet Haase 430d430753cba09acb07af8b313286f247c78a41a32Chet Haase /** 431d430753cba09acb07af8b313286f247c78a41a32Chet Haase * @param anim The animator, must not be null 432d430753cba09acb07af8b313286f247c78a41a32Chet Haase * @param arrayAnimator Incoming typed array for Animator's attributes. 433d430753cba09acb07af8b313286f247c78a41a32Chet Haase * @param arrayObjectAnimator Incoming typed array for Object Animator's 434d430753cba09acb07af8b313286f247c78a41a32Chet Haase * attributes. 435d430753cba09acb07af8b313286f247c78a41a32Chet Haase * @param pixelSize The relative pixel size, used to calculate the 436d430753cba09acb07af8b313286f247c78a41a32Chet Haase * maximum error for path animations. 437d430753cba09acb07af8b313286f247c78a41a32Chet Haase */ 438d430753cba09acb07af8b313286f247c78a41a32Chet Haase private static void parseAnimatorFromTypeArray(ValueAnimator anim, 439d430753cba09acb07af8b313286f247c78a41a32Chet Haase TypedArray arrayAnimator, TypedArray arrayObjectAnimator, float pixelSize) { 440d430753cba09acb07af8b313286f247c78a41a32Chet Haase long duration = arrayAnimator.getInt(R.styleable.Animator_duration, 300); 441d430753cba09acb07af8b313286f247c78a41a32Chet Haase 442d430753cba09acb07af8b313286f247c78a41a32Chet Haase long startDelay = arrayAnimator.getInt(R.styleable.Animator_startOffset, 0); 443d430753cba09acb07af8b313286f247c78a41a32Chet Haase 444d430753cba09acb07af8b313286f247c78a41a32Chet Haase int valueType = arrayAnimator.getInt(R.styleable.Animator_valueType, VALUE_TYPE_FLOAT); 445d430753cba09acb07af8b313286f247c78a41a32Chet Haase 446d430753cba09acb07af8b313286f247c78a41a32Chet Haase PropertyValuesHolder pvh = getPVH(arrayAnimator, valueType, 447d430753cba09acb07af8b313286f247c78a41a32Chet Haase R.styleable.Animator_valueFrom, R.styleable.Animator_valueTo, ""); 448d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (pvh != null) { 449d430753cba09acb07af8b313286f247c78a41a32Chet Haase anim.setValues(pvh); 4505bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase } 4515bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase 452eb034fbca40006c55db143047eb628c4b657730aztenghui anim.setDuration(duration); 453eb034fbca40006c55db143047eb628c4b657730aztenghui anim.setStartDelay(startDelay); 454eb034fbca40006c55db143047eb628c4b657730aztenghui 455eb034fbca40006c55db143047eb628c4b657730aztenghui if (arrayAnimator.hasValue(R.styleable.Animator_repeatCount)) { 456eb034fbca40006c55db143047eb628c4b657730aztenghui anim.setRepeatCount( 457eb034fbca40006c55db143047eb628c4b657730aztenghui arrayAnimator.getInt(R.styleable.Animator_repeatCount, 0)); 458eb034fbca40006c55db143047eb628c4b657730aztenghui } 459eb034fbca40006c55db143047eb628c4b657730aztenghui if (arrayAnimator.hasValue(R.styleable.Animator_repeatMode)) { 460eb034fbca40006c55db143047eb628c4b657730aztenghui anim.setRepeatMode( 461eb034fbca40006c55db143047eb628c4b657730aztenghui arrayAnimator.getInt(R.styleable.Animator_repeatMode, 462eb034fbca40006c55db143047eb628c4b657730aztenghui ValueAnimator.RESTART)); 463eb034fbca40006c55db143047eb628c4b657730aztenghui } 464eb034fbca40006c55db143047eb628c4b657730aztenghui 465eb034fbca40006c55db143047eb628c4b657730aztenghui if (arrayObjectAnimator != null) { 466d430753cba09acb07af8b313286f247c78a41a32Chet Haase setupObjectAnimator(anim, arrayObjectAnimator, valueType == VALUE_TYPE_FLOAT, 467d430753cba09acb07af8b313286f247c78a41a32Chet Haase pixelSize); 468eb034fbca40006c55db143047eb628c4b657730aztenghui } 469eb034fbca40006c55db143047eb628c4b657730aztenghui } 470eb034fbca40006c55db143047eb628c4b657730aztenghui 471eb034fbca40006c55db143047eb628c4b657730aztenghui /** 472eb034fbca40006c55db143047eb628c4b657730aztenghui * Setup the Animator to achieve path morphing. 473eb034fbca40006c55db143047eb628c4b657730aztenghui * 474eb034fbca40006c55db143047eb628c4b657730aztenghui * @param anim The target Animator which will be updated. 475eb034fbca40006c55db143047eb628c4b657730aztenghui * @param arrayAnimator TypedArray for the ValueAnimator. 476eb034fbca40006c55db143047eb628c4b657730aztenghui * @return the PathDataEvaluator. 477eb034fbca40006c55db143047eb628c4b657730aztenghui */ 478eb034fbca40006c55db143047eb628c4b657730aztenghui private static TypeEvaluator setupAnimatorForPath(ValueAnimator anim, 479eb034fbca40006c55db143047eb628c4b657730aztenghui TypedArray arrayAnimator) { 480eb034fbca40006c55db143047eb628c4b657730aztenghui TypeEvaluator evaluator = null; 481eb034fbca40006c55db143047eb628c4b657730aztenghui String fromString = arrayAnimator.getString(R.styleable.Animator_valueFrom); 482eb034fbca40006c55db143047eb628c4b657730aztenghui String toString = arrayAnimator.getString(R.styleable.Animator_valueTo); 483eb034fbca40006c55db143047eb628c4b657730aztenghui PathParser.PathDataNode[] nodesFrom = PathParser.createNodesFromPathData(fromString); 484eb034fbca40006c55db143047eb628c4b657730aztenghui PathParser.PathDataNode[] nodesTo = PathParser.createNodesFromPathData(toString); 485eb034fbca40006c55db143047eb628c4b657730aztenghui 486eb034fbca40006c55db143047eb628c4b657730aztenghui if (nodesFrom != null) { 487eb034fbca40006c55db143047eb628c4b657730aztenghui if (nodesTo != null) { 488eb034fbca40006c55db143047eb628c4b657730aztenghui anim.setObjectValues(nodesFrom, nodesTo); 489eb034fbca40006c55db143047eb628c4b657730aztenghui if (!PathParser.canMorph(nodesFrom, nodesTo)) { 490eb034fbca40006c55db143047eb628c4b657730aztenghui throw new InflateException(arrayAnimator.getPositionDescription() 491eb034fbca40006c55db143047eb628c4b657730aztenghui + " Can't morph from " + fromString + " to " + toString); 492eb034fbca40006c55db143047eb628c4b657730aztenghui } 493eb034fbca40006c55db143047eb628c4b657730aztenghui } else { 494eb034fbca40006c55db143047eb628c4b657730aztenghui anim.setObjectValues((Object)nodesFrom); 495eb034fbca40006c55db143047eb628c4b657730aztenghui } 496eb034fbca40006c55db143047eb628c4b657730aztenghui evaluator = new PathDataEvaluator(PathParser.deepCopyNodes(nodesFrom)); 497eb034fbca40006c55db143047eb628c4b657730aztenghui } else if (nodesTo != null) { 498eb034fbca40006c55db143047eb628c4b657730aztenghui anim.setObjectValues((Object)nodesTo); 499eb034fbca40006c55db143047eb628c4b657730aztenghui evaluator = new PathDataEvaluator(PathParser.deepCopyNodes(nodesTo)); 500eb034fbca40006c55db143047eb628c4b657730aztenghui } 501eb034fbca40006c55db143047eb628c4b657730aztenghui 502eb034fbca40006c55db143047eb628c4b657730aztenghui if (DBG_ANIMATOR_INFLATER && evaluator != null) { 503eb034fbca40006c55db143047eb628c4b657730aztenghui Log.v(TAG, "create a new PathDataEvaluator here"); 504eb034fbca40006c55db143047eb628c4b657730aztenghui } 505eb034fbca40006c55db143047eb628c4b657730aztenghui 506eb034fbca40006c55db143047eb628c4b657730aztenghui return evaluator; 507eb034fbca40006c55db143047eb628c4b657730aztenghui } 508eb034fbca40006c55db143047eb628c4b657730aztenghui 509eb034fbca40006c55db143047eb628c4b657730aztenghui /** 510eb034fbca40006c55db143047eb628c4b657730aztenghui * Setup ObjectAnimator's property or values from pathData. 511eb034fbca40006c55db143047eb628c4b657730aztenghui * 512eb034fbca40006c55db143047eb628c4b657730aztenghui * @param anim The target Animator which will be updated. 513eb034fbca40006c55db143047eb628c4b657730aztenghui * @param arrayObjectAnimator TypedArray for the ObjectAnimator. 514eb034fbca40006c55db143047eb628c4b657730aztenghui * @param getFloats True if the value type is float. 515fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount * @param pixelSize The relative pixel size, used to calculate the 516fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount * maximum error for path animations. 517eb034fbca40006c55db143047eb628c4b657730aztenghui */ 518eb034fbca40006c55db143047eb628c4b657730aztenghui private static void setupObjectAnimator(ValueAnimator anim, TypedArray arrayObjectAnimator, 519fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount boolean getFloats, float pixelSize) { 520eb034fbca40006c55db143047eb628c4b657730aztenghui ObjectAnimator oa = (ObjectAnimator) anim; 521eb034fbca40006c55db143047eb628c4b657730aztenghui String pathData = arrayObjectAnimator.getString(R.styleable.PropertyAnimator_pathData); 522eb034fbca40006c55db143047eb628c4b657730aztenghui 523eb034fbca40006c55db143047eb628c4b657730aztenghui // Note that if there is a pathData defined in the Object Animator, 524eb034fbca40006c55db143047eb628c4b657730aztenghui // valueFrom / valueTo will be ignored. 525eb034fbca40006c55db143047eb628c4b657730aztenghui if (pathData != null) { 526eb034fbca40006c55db143047eb628c4b657730aztenghui String propertyXName = 527eb034fbca40006c55db143047eb628c4b657730aztenghui arrayObjectAnimator.getString(R.styleable.PropertyAnimator_propertyXName); 528eb034fbca40006c55db143047eb628c4b657730aztenghui String propertyYName = 529eb034fbca40006c55db143047eb628c4b657730aztenghui arrayObjectAnimator.getString(R.styleable.PropertyAnimator_propertyYName); 530eb034fbca40006c55db143047eb628c4b657730aztenghui 531eb034fbca40006c55db143047eb628c4b657730aztenghui if (propertyXName == null && propertyYName == null) { 532eb034fbca40006c55db143047eb628c4b657730aztenghui throw new InflateException(arrayObjectAnimator.getPositionDescription() 533eb034fbca40006c55db143047eb628c4b657730aztenghui + " propertyXName or propertyYName is needed for PathData"); 534eb034fbca40006c55db143047eb628c4b657730aztenghui } else { 535eb034fbca40006c55db143047eb628c4b657730aztenghui Path path = PathParser.createPathFromPathData(pathData); 536fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount float error = 0.5f * pixelSize; // max half a pixel error 537fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount PathKeyframes keyframeSet = KeyframeSet.ofPath(path, error); 538984011f6850fd4b6ad4db6d6022bd475d7a2c712George Mount Keyframes xKeyframes; 539984011f6850fd4b6ad4db6d6022bd475d7a2c712George Mount Keyframes yKeyframes; 540984011f6850fd4b6ad4db6d6022bd475d7a2c712George Mount if (getFloats) { 541984011f6850fd4b6ad4db6d6022bd475d7a2c712George Mount xKeyframes = keyframeSet.createXFloatKeyframes(); 542984011f6850fd4b6ad4db6d6022bd475d7a2c712George Mount yKeyframes = keyframeSet.createYFloatKeyframes(); 543984011f6850fd4b6ad4db6d6022bd475d7a2c712George Mount } else { 544984011f6850fd4b6ad4db6d6022bd475d7a2c712George Mount xKeyframes = keyframeSet.createXIntKeyframes(); 545984011f6850fd4b6ad4db6d6022bd475d7a2c712George Mount yKeyframes = keyframeSet.createYIntKeyframes(); 546984011f6850fd4b6ad4db6d6022bd475d7a2c712George Mount } 547eb034fbca40006c55db143047eb628c4b657730aztenghui PropertyValuesHolder x = null; 548eb034fbca40006c55db143047eb628c4b657730aztenghui PropertyValuesHolder y = null; 549eb034fbca40006c55db143047eb628c4b657730aztenghui if (propertyXName != null) { 550984011f6850fd4b6ad4db6d6022bd475d7a2c712George Mount x = PropertyValuesHolder.ofKeyframes(propertyXName, xKeyframes); 551eb034fbca40006c55db143047eb628c4b657730aztenghui } 552eb034fbca40006c55db143047eb628c4b657730aztenghui if (propertyYName != null) { 553984011f6850fd4b6ad4db6d6022bd475d7a2c712George Mount y = PropertyValuesHolder.ofKeyframes(propertyYName, yKeyframes); 554eb034fbca40006c55db143047eb628c4b657730aztenghui } 555eb034fbca40006c55db143047eb628c4b657730aztenghui if (x == null) { 556eb034fbca40006c55db143047eb628c4b657730aztenghui oa.setValues(y); 557eb034fbca40006c55db143047eb628c4b657730aztenghui } else if (y == null) { 558eb034fbca40006c55db143047eb628c4b657730aztenghui oa.setValues(x); 559eb034fbca40006c55db143047eb628c4b657730aztenghui } else { 560eb034fbca40006c55db143047eb628c4b657730aztenghui oa.setValues(x, y); 561eb034fbca40006c55db143047eb628c4b657730aztenghui } 562eb034fbca40006c55db143047eb628c4b657730aztenghui } 563eb034fbca40006c55db143047eb628c4b657730aztenghui } else { 564eb034fbca40006c55db143047eb628c4b657730aztenghui String propertyName = 565eb034fbca40006c55db143047eb628c4b657730aztenghui arrayObjectAnimator.getString(R.styleable.PropertyAnimator_propertyName); 566eb034fbca40006c55db143047eb628c4b657730aztenghui oa.setPropertyName(propertyName); 567eb034fbca40006c55db143047eb628c4b657730aztenghui } 568eb034fbca40006c55db143047eb628c4b657730aztenghui } 569eb034fbca40006c55db143047eb628c4b657730aztenghui 570eb034fbca40006c55db143047eb628c4b657730aztenghui /** 571eb034fbca40006c55db143047eb628c4b657730aztenghui * Setup ValueAnimator's values. 572eb034fbca40006c55db143047eb628c4b657730aztenghui * This will handle all of the integer, float and color types. 573eb034fbca40006c55db143047eb628c4b657730aztenghui * 574eb034fbca40006c55db143047eb628c4b657730aztenghui * @param anim The target Animator which will be updated. 575eb034fbca40006c55db143047eb628c4b657730aztenghui * @param arrayAnimator TypedArray for the ValueAnimator. 576eb034fbca40006c55db143047eb628c4b657730aztenghui * @param getFloats True if the value type is float. 577eb034fbca40006c55db143047eb628c4b657730aztenghui * @param hasFrom True if "valueFrom" exists. 578eb034fbca40006c55db143047eb628c4b657730aztenghui * @param fromType The type of "valueFrom". 579eb034fbca40006c55db143047eb628c4b657730aztenghui * @param hasTo True if "valueTo" exists. 580eb034fbca40006c55db143047eb628c4b657730aztenghui * @param toType The type of "valueTo". 581eb034fbca40006c55db143047eb628c4b657730aztenghui */ 582eb034fbca40006c55db143047eb628c4b657730aztenghui private static void setupValues(ValueAnimator anim, TypedArray arrayAnimator, 583eb034fbca40006c55db143047eb628c4b657730aztenghui boolean getFloats, boolean hasFrom, int fromType, boolean hasTo, int toType) { 584eb034fbca40006c55db143047eb628c4b657730aztenghui int valueFromIndex = R.styleable.Animator_valueFrom; 585eb034fbca40006c55db143047eb628c4b657730aztenghui int valueToIndex = R.styleable.Animator_valueTo; 5865bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (getFloats) { 5875bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase float valueFrom; 5885bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase float valueTo; 5895bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (hasFrom) { 5905bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (fromType == TypedValue.TYPE_DIMENSION) { 591cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueFrom = arrayAnimator.getDimension(valueFromIndex, 0f); 5925bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase } else { 593cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueFrom = arrayAnimator.getFloat(valueFromIndex, 0f); 5945bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase } 5955bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (hasTo) { 5965bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (toType == TypedValue.TYPE_DIMENSION) { 597cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueTo = arrayAnimator.getDimension(valueToIndex, 0f); 5982794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 599cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueTo = arrayAnimator.getFloat(valueToIndex, 0f); 6002794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 6015bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase anim.setFloatValues(valueFrom, valueTo); 6025bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase } else { 6035bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase anim.setFloatValues(valueFrom); 6045bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase } 6055bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase } else { 6065bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (toType == TypedValue.TYPE_DIMENSION) { 607cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueTo = arrayAnimator.getDimension(valueToIndex, 0f); 6082794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 609cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueTo = arrayAnimator.getFloat(valueToIndex, 0f); 610d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase } 6115bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase anim.setFloatValues(valueTo); 6122794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 6135bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase } else { 6145bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase int valueFrom; 6155bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase int valueTo; 6165bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (hasFrom) { 6175bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (fromType == TypedValue.TYPE_DIMENSION) { 618cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueFrom = (int) arrayAnimator.getDimension(valueFromIndex, 0f); 6199032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } else if (isColorType(fromType)) { 620cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueFrom = arrayAnimator.getColor(valueFromIndex, 0); 6215bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase } else { 622cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueFrom = arrayAnimator.getInt(valueFromIndex, 0); 6235bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase } 6245bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (hasTo) { 6255bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (toType == TypedValue.TYPE_DIMENSION) { 626cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueTo = (int) arrayAnimator.getDimension(valueToIndex, 0f); 6279032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } else if (isColorType(toType)) { 628cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueTo = arrayAnimator.getColor(valueToIndex, 0); 6292794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 630cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueTo = arrayAnimator.getInt(valueToIndex, 0); 6312794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 6325bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase anim.setIntValues(valueFrom, valueTo); 6332794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 6345bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase anim.setIntValues(valueFrom); 635d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase } 6365bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase } else { 6375bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (hasTo) { 6385bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase if (toType == TypedValue.TYPE_DIMENSION) { 639cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueTo = (int) arrayAnimator.getDimension(valueToIndex, 0f); 6409032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } else if (isColorType(toType)) { 641cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueTo = arrayAnimator.getColor(valueToIndex, 0); 6422794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } else { 643cf4832f69c8786b098ce18c24319021f8cd6733aztenghui valueTo = arrayAnimator.getInt(valueToIndex, 0); 6442794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 6455bed88e12d0b4e77483e287c068fbf551ecf8a10Chet Haase anim.setIntValues(valueTo); 646d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase } 6472794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase } 648d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase } 649e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 650e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 651fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount private static Animator createAnimatorFromXml(Resources res, Theme theme, XmlPullParser parser, 6527513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu float pixelSize) 653e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui throws XmlPullParserException, IOException { 654fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount return createAnimatorFromXml(res, theme, parser, Xml.asAttributeSet(parser), null, 0, 6557513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu pixelSize); 656e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 657e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 658e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui private static Animator createAnimatorFromXml(Resources res, Theme theme, XmlPullParser parser, 6597513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu AttributeSet attrs, AnimatorSet parent, int sequenceOrdering, float pixelSize) 6607513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu throws XmlPullParserException, IOException { 661e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui Animator anim = null; 662e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui ArrayList<Animator> childAnims = null; 663e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 664e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui // Make sure we are on a start tag. 665e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui int type; 666e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui int depth = parser.getDepth(); 667e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 668e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui while (((type = parser.next()) != XmlPullParser.END_TAG || parser.getDepth() > depth) 669e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui && type != XmlPullParser.END_DOCUMENT) { 670e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 671e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui if (type != XmlPullParser.START_TAG) { 672e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui continue; 673e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 674e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 675e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui String name = parser.getName(); 676d430753cba09acb07af8b313286f247c78a41a32Chet Haase boolean gotValues = false; 677e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 678e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui if (name.equals("objectAnimator")) { 6797513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu anim = loadObjectAnimator(res, theme, attrs, pixelSize); 680e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } else if (name.equals("animator")) { 6817513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu anim = loadAnimator(res, theme, attrs, null, pixelSize); 682e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } else if (name.equals("set")) { 683e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui anim = new AnimatorSet(); 684e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui TypedArray a; 685e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui if (theme != null) { 686cf4832f69c8786b098ce18c24319021f8cd6733aztenghui a = theme.obtainStyledAttributes(attrs, R.styleable.AnimatorSet, 0, 0); 687e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } else { 688cf4832f69c8786b098ce18c24319021f8cd6733aztenghui a = res.obtainAttributes(attrs, R.styleable.AnimatorSet); 689e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 690d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar anim.appendChangingConfigurations(a.getChangingConfigurations()); 691d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar int ordering = a.getInt(R.styleable.AnimatorSet_ordering, TOGETHER); 692fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount createAnimatorFromXml(res, theme, parser, attrs, (AnimatorSet) anim, ordering, 6937513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu pixelSize); 694e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui a.recycle(); 695d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else if (name.equals("propertyValuesHolder")) { 696d430753cba09acb07af8b313286f247c78a41a32Chet Haase PropertyValuesHolder[] values = loadValues(res, theme, parser, 697d430753cba09acb07af8b313286f247c78a41a32Chet Haase Xml.asAttributeSet(parser)); 698d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (values != null && anim != null && (anim instanceof ValueAnimator)) { 699d430753cba09acb07af8b313286f247c78a41a32Chet Haase ((ValueAnimator) anim).setValues(values); 700d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 701d430753cba09acb07af8b313286f247c78a41a32Chet Haase gotValues = true; 702e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } else { 703e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui throw new RuntimeException("Unknown animator name: " + parser.getName()); 704e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 705e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 706d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (parent != null && !gotValues) { 707e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui if (childAnims == null) { 708e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui childAnims = new ArrayList<Animator>(); 709e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 710e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui childAnims.add(anim); 711e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 712e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 713e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui if (parent != null && childAnims != null) { 714e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui Animator[] animsArray = new Animator[childAnims.size()]; 715e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui int index = 0; 716e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui for (Animator a : childAnims) { 717e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui animsArray[index++] = a; 718e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 719e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui if (sequenceOrdering == TOGETHER) { 720e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui parent.playTogether(animsArray); 721e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } else { 722e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui parent.playSequentially(animsArray); 723e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 724e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 725e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui return anim; 726d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 727d430753cba09acb07af8b313286f247c78a41a32Chet Haase 728d430753cba09acb07af8b313286f247c78a41a32Chet Haase private static PropertyValuesHolder[] loadValues(Resources res, Theme theme, 729d430753cba09acb07af8b313286f247c78a41a32Chet Haase XmlPullParser parser, AttributeSet attrs) throws XmlPullParserException, IOException { 730d430753cba09acb07af8b313286f247c78a41a32Chet Haase ArrayList<PropertyValuesHolder> values = null; 731d430753cba09acb07af8b313286f247c78a41a32Chet Haase 732d430753cba09acb07af8b313286f247c78a41a32Chet Haase int type; 733d430753cba09acb07af8b313286f247c78a41a32Chet Haase while ((type = parser.getEventType()) != XmlPullParser.END_TAG && 734d430753cba09acb07af8b313286f247c78a41a32Chet Haase type != XmlPullParser.END_DOCUMENT) { 735d430753cba09acb07af8b313286f247c78a41a32Chet Haase 736d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (type != XmlPullParser.START_TAG) { 737d430753cba09acb07af8b313286f247c78a41a32Chet Haase parser.next(); 738d430753cba09acb07af8b313286f247c78a41a32Chet Haase continue; 739d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 740d430753cba09acb07af8b313286f247c78a41a32Chet Haase 741d430753cba09acb07af8b313286f247c78a41a32Chet Haase String name = parser.getName(); 742d430753cba09acb07af8b313286f247c78a41a32Chet Haase 743d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (name.equals("propertyValuesHolder")) { 744d430753cba09acb07af8b313286f247c78a41a32Chet Haase TypedArray a; 745d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (theme != null) { 746d430753cba09acb07af8b313286f247c78a41a32Chet Haase a = theme.obtainStyledAttributes(attrs, R.styleable.PropertyValuesHolder, 0, 0); 747d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 748d430753cba09acb07af8b313286f247c78a41a32Chet Haase a = res.obtainAttributes(attrs, R.styleable.PropertyValuesHolder); 749d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 750d430753cba09acb07af8b313286f247c78a41a32Chet Haase String propertyName = a.getString(R.styleable.PropertyValuesHolder_propertyName); 751d430753cba09acb07af8b313286f247c78a41a32Chet Haase int valueType = a.getInt(R.styleable.PropertyValuesHolder_valueType, 7529032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu VALUE_TYPE_UNDEFINED); 7539032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu 754d430753cba09acb07af8b313286f247c78a41a32Chet Haase PropertyValuesHolder pvh = loadPvh(res, theme, parser, propertyName, valueType); 755d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (pvh == null) { 756d430753cba09acb07af8b313286f247c78a41a32Chet Haase pvh = getPVH(a, valueType, 757d430753cba09acb07af8b313286f247c78a41a32Chet Haase R.styleable.PropertyValuesHolder_valueFrom, 758d430753cba09acb07af8b313286f247c78a41a32Chet Haase R.styleable.PropertyValuesHolder_valueTo, propertyName); 759d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 760d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (pvh != null) { 761d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (values == null) { 762d430753cba09acb07af8b313286f247c78a41a32Chet Haase values = new ArrayList<PropertyValuesHolder>(); 763d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 764d430753cba09acb07af8b313286f247c78a41a32Chet Haase values.add(pvh); 765d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 766d430753cba09acb07af8b313286f247c78a41a32Chet Haase a.recycle(); 767d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 768d430753cba09acb07af8b313286f247c78a41a32Chet Haase 769d430753cba09acb07af8b313286f247c78a41a32Chet Haase parser.next(); 770d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 771d430753cba09acb07af8b313286f247c78a41a32Chet Haase 772d430753cba09acb07af8b313286f247c78a41a32Chet Haase PropertyValuesHolder[] valuesArray = null; 773d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (values != null) { 774d430753cba09acb07af8b313286f247c78a41a32Chet Haase int count = values.size(); 775d430753cba09acb07af8b313286f247c78a41a32Chet Haase valuesArray = new PropertyValuesHolder[count]; 776d430753cba09acb07af8b313286f247c78a41a32Chet Haase for (int i = 0; i < count; ++i) { 777d430753cba09acb07af8b313286f247c78a41a32Chet Haase valuesArray[i] = values.get(i); 778d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 779d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 780d430753cba09acb07af8b313286f247c78a41a32Chet Haase return valuesArray; 781d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 782d430753cba09acb07af8b313286f247c78a41a32Chet Haase 783a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu // When no value type is provided in keyframe, we need to infer the type from the value. i.e. 784a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu // if value is defined in the style of a color value, then the color type is returned. 785a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu // Otherwise, default float type is returned. 786a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu private static int inferValueTypeOfKeyframe(Resources res, Theme theme, AttributeSet attrs) { 787a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu int valueType; 788a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu TypedArray a; 789a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu if (theme != null) { 790a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu a = theme.obtainStyledAttributes(attrs, R.styleable.Keyframe, 0, 0); 791a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu } else { 792a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu a = res.obtainAttributes(attrs, R.styleable.Keyframe); 793a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu } 794a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu 795a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu TypedValue keyframeValue = a.peekValue(R.styleable.Keyframe_value); 796a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu boolean hasValue = (keyframeValue != null); 797a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu // When no value type is provided, check whether it's a color type first. 798a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu // If not, fall back to default value type (i.e. float type). 799a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu if (hasValue && isColorType(keyframeValue.type)) { 800a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu valueType = VALUE_TYPE_COLOR; 801a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu } else { 802a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu valueType = VALUE_TYPE_FLOAT; 803a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu } 804a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu a.recycle(); 805a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu return valueType; 806a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu } 807a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu 808d430753cba09acb07af8b313286f247c78a41a32Chet Haase private static void dumpKeyframes(Object[] keyframes, String header) { 809d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (keyframes == null || keyframes.length == 0) { 810d430753cba09acb07af8b313286f247c78a41a32Chet Haase return; 811d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 812d430753cba09acb07af8b313286f247c78a41a32Chet Haase Log.d(TAG, header); 813d430753cba09acb07af8b313286f247c78a41a32Chet Haase int count = keyframes.length; 814d430753cba09acb07af8b313286f247c78a41a32Chet Haase for (int i = 0; i < count; ++i) { 815d430753cba09acb07af8b313286f247c78a41a32Chet Haase Keyframe keyframe = (Keyframe) keyframes[i]; 816d430753cba09acb07af8b313286f247c78a41a32Chet Haase Log.d(TAG, "Keyframe " + i + ": fraction " + 817d430753cba09acb07af8b313286f247c78a41a32Chet Haase (keyframe.getFraction() < 0 ? "null" : keyframe.getFraction()) + ", " + 818d430753cba09acb07af8b313286f247c78a41a32Chet Haase ", value : " + ((keyframe.hasValue()) ? keyframe.getValue() : "null")); 819d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 820d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 821d430753cba09acb07af8b313286f247c78a41a32Chet Haase 8229032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu // Load property values holder if there are keyframes defined in it. Otherwise return null. 823d430753cba09acb07af8b313286f247c78a41a32Chet Haase private static PropertyValuesHolder loadPvh(Resources res, Theme theme, XmlPullParser parser, 824d430753cba09acb07af8b313286f247c78a41a32Chet Haase String propertyName, int valueType) 825d430753cba09acb07af8b313286f247c78a41a32Chet Haase throws XmlPullParserException, IOException { 826d430753cba09acb07af8b313286f247c78a41a32Chet Haase 827d430753cba09acb07af8b313286f247c78a41a32Chet Haase PropertyValuesHolder value = null; 828d430753cba09acb07af8b313286f247c78a41a32Chet Haase ArrayList<Keyframe> keyframes = null; 829d430753cba09acb07af8b313286f247c78a41a32Chet Haase 830d430753cba09acb07af8b313286f247c78a41a32Chet Haase int type; 831d430753cba09acb07af8b313286f247c78a41a32Chet Haase while ((type = parser.next()) != XmlPullParser.END_TAG && 832d430753cba09acb07af8b313286f247c78a41a32Chet Haase type != XmlPullParser.END_DOCUMENT) { 833d430753cba09acb07af8b313286f247c78a41a32Chet Haase String name = parser.getName(); 834d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (name.equals("keyframe")) { 835a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu if (valueType == VALUE_TYPE_UNDEFINED) { 836a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu valueType = inferValueTypeOfKeyframe(res, theme, Xml.asAttributeSet(parser)); 837a01fbf35de21cd595d4cda2e83b67c1238e12550Doris Liu } 838d430753cba09acb07af8b313286f247c78a41a32Chet Haase Keyframe keyframe = loadKeyframe(res, theme, Xml.asAttributeSet(parser), valueType); 839d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (keyframe != null) { 840d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (keyframes == null) { 841d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframes = new ArrayList<Keyframe>(); 842d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 843d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframes.add(keyframe); 844d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 845d430753cba09acb07af8b313286f247c78a41a32Chet Haase parser.next(); 846d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 847d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 848d430753cba09acb07af8b313286f247c78a41a32Chet Haase 849d430753cba09acb07af8b313286f247c78a41a32Chet Haase int count; 850d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (keyframes != null && (count = keyframes.size()) > 0) { 851d430753cba09acb07af8b313286f247c78a41a32Chet Haase // make sure we have keyframes at 0 and 1 852d430753cba09acb07af8b313286f247c78a41a32Chet Haase // If we have keyframes with set fractions, add keyframes at start/end 853d430753cba09acb07af8b313286f247c78a41a32Chet Haase // appropriately. If start/end have no set fractions: 854d430753cba09acb07af8b313286f247c78a41a32Chet Haase // if there's only one keyframe, set its fraction to 1 and add one at 0 855d430753cba09acb07af8b313286f247c78a41a32Chet Haase // if >1 keyframe, set the last fraction to 1, the first fraction to 0 856d430753cba09acb07af8b313286f247c78a41a32Chet Haase Keyframe firstKeyframe = keyframes.get(0); 857d430753cba09acb07af8b313286f247c78a41a32Chet Haase Keyframe lastKeyframe = keyframes.get(count - 1); 858d430753cba09acb07af8b313286f247c78a41a32Chet Haase float endFraction = lastKeyframe.getFraction(); 859d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (endFraction < 1) { 860d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (endFraction < 0) { 861d430753cba09acb07af8b313286f247c78a41a32Chet Haase lastKeyframe.setFraction(1); 862d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 863d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframes.add(keyframes.size(), createNewKeyframe(lastKeyframe, 1)); 864d430753cba09acb07af8b313286f247c78a41a32Chet Haase ++count; 865d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 866d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 867d430753cba09acb07af8b313286f247c78a41a32Chet Haase float startFraction = firstKeyframe.getFraction(); 868d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (startFraction != 0) { 869d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (startFraction < 0) { 870d430753cba09acb07af8b313286f247c78a41a32Chet Haase firstKeyframe.setFraction(0); 871d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 872d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframes.add(0, createNewKeyframe(firstKeyframe, 0)); 873d430753cba09acb07af8b313286f247c78a41a32Chet Haase ++count; 874d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 875d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 876d430753cba09acb07af8b313286f247c78a41a32Chet Haase Keyframe[] keyframeArray = new Keyframe[count]; 877d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframes.toArray(keyframeArray); 878d430753cba09acb07af8b313286f247c78a41a32Chet Haase for (int i = 0; i < count; ++i) { 879d430753cba09acb07af8b313286f247c78a41a32Chet Haase Keyframe keyframe = keyframeArray[i]; 880d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (keyframe.getFraction() < 0) { 881d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (i == 0) { 882d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframe.setFraction(0); 883d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else if (i == count - 1) { 884d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframe.setFraction(1); 885d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 886d430753cba09acb07af8b313286f247c78a41a32Chet Haase // figure out the start/end parameters of the current gap 887d430753cba09acb07af8b313286f247c78a41a32Chet Haase // in fractions and distribute the gap among those keyframes 888d430753cba09acb07af8b313286f247c78a41a32Chet Haase int startIndex = i; 889d430753cba09acb07af8b313286f247c78a41a32Chet Haase int endIndex = i; 890d430753cba09acb07af8b313286f247c78a41a32Chet Haase for (int j = startIndex + 1; j < count - 1; ++j) { 891d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (keyframeArray[j].getFraction() >= 0) { 892d430753cba09acb07af8b313286f247c78a41a32Chet Haase break; 893d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 894d430753cba09acb07af8b313286f247c78a41a32Chet Haase endIndex = j; 895d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 896d430753cba09acb07af8b313286f247c78a41a32Chet Haase float gap = keyframeArray[endIndex + 1].getFraction() - 897d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframeArray[startIndex - 1].getFraction(); 898d430753cba09acb07af8b313286f247c78a41a32Chet Haase distributeKeyframes(keyframeArray, gap, startIndex, endIndex); 899d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 900d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 901d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 902d430753cba09acb07af8b313286f247c78a41a32Chet Haase value = PropertyValuesHolder.ofKeyframe(propertyName, keyframeArray); 903d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (valueType == VALUE_TYPE_COLOR) { 904d430753cba09acb07af8b313286f247c78a41a32Chet Haase value.setEvaluator(ArgbEvaluator.getInstance()); 905d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 906d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 907d430753cba09acb07af8b313286f247c78a41a32Chet Haase 908d430753cba09acb07af8b313286f247c78a41a32Chet Haase return value; 909d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 910d430753cba09acb07af8b313286f247c78a41a32Chet Haase 911d430753cba09acb07af8b313286f247c78a41a32Chet Haase private static Keyframe createNewKeyframe(Keyframe sampleKeyframe, float fraction) { 912d430753cba09acb07af8b313286f247c78a41a32Chet Haase return sampleKeyframe.getType() == float.class ? 913d430753cba09acb07af8b313286f247c78a41a32Chet Haase Keyframe.ofFloat(fraction) : 914d430753cba09acb07af8b313286f247c78a41a32Chet Haase (sampleKeyframe.getType() == int.class) ? 915d430753cba09acb07af8b313286f247c78a41a32Chet Haase Keyframe.ofInt(fraction) : 916d430753cba09acb07af8b313286f247c78a41a32Chet Haase Keyframe.ofObject(fraction); 917d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 918d430753cba09acb07af8b313286f247c78a41a32Chet Haase 919d430753cba09acb07af8b313286f247c78a41a32Chet Haase /** 920d430753cba09acb07af8b313286f247c78a41a32Chet Haase * Utility function to set fractions on keyframes to cover a gap in which the 921d430753cba09acb07af8b313286f247c78a41a32Chet Haase * fractions are not currently set. Keyframe fractions will be distributed evenly 922d430753cba09acb07af8b313286f247c78a41a32Chet Haase * in this gap. For example, a gap of 1 keyframe in the range 0-1 will be at .5, a gap 923d430753cba09acb07af8b313286f247c78a41a32Chet Haase * of .6 spread between two keyframes will be at .2 and .4 beyond the fraction at the 924d430753cba09acb07af8b313286f247c78a41a32Chet Haase * keyframe before startIndex. 925d430753cba09acb07af8b313286f247c78a41a32Chet Haase * Assumptions: 926d430753cba09acb07af8b313286f247c78a41a32Chet Haase * - First and last keyframe fractions (bounding this spread) are already set. So, 927d430753cba09acb07af8b313286f247c78a41a32Chet Haase * for example, if no fractions are set, we will already set first and last keyframe 928d430753cba09acb07af8b313286f247c78a41a32Chet Haase * fraction values to 0 and 1. 929d430753cba09acb07af8b313286f247c78a41a32Chet Haase * - startIndex must be >0 (which follows from first assumption). 930d430753cba09acb07af8b313286f247c78a41a32Chet Haase * - endIndex must be >= startIndex. 931d430753cba09acb07af8b313286f247c78a41a32Chet Haase * 932d430753cba09acb07af8b313286f247c78a41a32Chet Haase * @param keyframes the array of keyframes 933d430753cba09acb07af8b313286f247c78a41a32Chet Haase * @param gap The total gap we need to distribute 934d430753cba09acb07af8b313286f247c78a41a32Chet Haase * @param startIndex The index of the first keyframe whose fraction must be set 935d430753cba09acb07af8b313286f247c78a41a32Chet Haase * @param endIndex The index of the last keyframe whose fraction must be set 936d430753cba09acb07af8b313286f247c78a41a32Chet Haase */ 937d430753cba09acb07af8b313286f247c78a41a32Chet Haase private static void distributeKeyframes(Keyframe[] keyframes, float gap, 938d430753cba09acb07af8b313286f247c78a41a32Chet Haase int startIndex, int endIndex) { 939d430753cba09acb07af8b313286f247c78a41a32Chet Haase int count = endIndex - startIndex + 2; 940d430753cba09acb07af8b313286f247c78a41a32Chet Haase float increment = gap / count; 941d430753cba09acb07af8b313286f247c78a41a32Chet Haase for (int i = startIndex; i <= endIndex; ++i) { 942d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframes[i].setFraction(keyframes[i-1].getFraction() + increment); 943d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 944d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 945d430753cba09acb07af8b313286f247c78a41a32Chet Haase 946d430753cba09acb07af8b313286f247c78a41a32Chet Haase private static Keyframe loadKeyframe(Resources res, Theme theme, AttributeSet attrs, 947d430753cba09acb07af8b313286f247c78a41a32Chet Haase int valueType) 948d430753cba09acb07af8b313286f247c78a41a32Chet Haase throws XmlPullParserException, IOException { 949d430753cba09acb07af8b313286f247c78a41a32Chet Haase 950d430753cba09acb07af8b313286f247c78a41a32Chet Haase TypedArray a; 951d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (theme != null) { 952d430753cba09acb07af8b313286f247c78a41a32Chet Haase a = theme.obtainStyledAttributes(attrs, R.styleable.Keyframe, 0, 0); 953d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 954d430753cba09acb07af8b313286f247c78a41a32Chet Haase a = res.obtainAttributes(attrs, R.styleable.Keyframe); 955d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 956d430753cba09acb07af8b313286f247c78a41a32Chet Haase 957d430753cba09acb07af8b313286f247c78a41a32Chet Haase Keyframe keyframe = null; 958d430753cba09acb07af8b313286f247c78a41a32Chet Haase 959d430753cba09acb07af8b313286f247c78a41a32Chet Haase float fraction = a.getFloat(R.styleable.Keyframe_fraction, -1); 960d430753cba09acb07af8b313286f247c78a41a32Chet Haase 9619032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu TypedValue keyframeValue = a.peekValue(R.styleable.Keyframe_value); 9629032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu boolean hasValue = (keyframeValue != null); 9639032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu if (valueType == VALUE_TYPE_UNDEFINED) { 9649032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu // When no value type is provided, check whether it's a color type first. 9659032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu // If not, fall back to default value type (i.e. float type). 9669032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu if (hasValue && isColorType(keyframeValue.type)) { 9679032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu valueType = VALUE_TYPE_COLOR; 9689032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } else { 9699032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu valueType = VALUE_TYPE_FLOAT; 9709032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } 9719032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } 972d430753cba09acb07af8b313286f247c78a41a32Chet Haase 973d430753cba09acb07af8b313286f247c78a41a32Chet Haase if (hasValue) { 974d430753cba09acb07af8b313286f247c78a41a32Chet Haase switch (valueType) { 975d430753cba09acb07af8b313286f247c78a41a32Chet Haase case VALUE_TYPE_FLOAT: 976d430753cba09acb07af8b313286f247c78a41a32Chet Haase float value = a.getFloat(R.styleable.Keyframe_value, 0); 977d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframe = Keyframe.ofFloat(fraction, value); 978d430753cba09acb07af8b313286f247c78a41a32Chet Haase break; 979d430753cba09acb07af8b313286f247c78a41a32Chet Haase case VALUE_TYPE_COLOR: 980d430753cba09acb07af8b313286f247c78a41a32Chet Haase case VALUE_TYPE_INT: 981d430753cba09acb07af8b313286f247c78a41a32Chet Haase int intValue = a.getInt(R.styleable.Keyframe_value, 0); 982d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframe = Keyframe.ofInt(fraction, intValue); 983d430753cba09acb07af8b313286f247c78a41a32Chet Haase break; 984d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 985d430753cba09acb07af8b313286f247c78a41a32Chet Haase } else { 986d430753cba09acb07af8b313286f247c78a41a32Chet Haase keyframe = (valueType == VALUE_TYPE_FLOAT) ? Keyframe.ofFloat(fraction) : 987d430753cba09acb07af8b313286f247c78a41a32Chet Haase Keyframe.ofInt(fraction); 988d430753cba09acb07af8b313286f247c78a41a32Chet Haase } 989d430753cba09acb07af8b313286f247c78a41a32Chet Haase 9906aac06ab940566020d050fdaa0d5e8d2e6c128aeDoris Liu final int resID = a.getResourceId(R.styleable.Keyframe_interpolator, 0); 9916aac06ab940566020d050fdaa0d5e8d2e6c128aeDoris Liu if (resID > 0) { 9926aac06ab940566020d050fdaa0d5e8d2e6c128aeDoris Liu final Interpolator interpolator = AnimationUtils.loadInterpolator(res, theme, resID); 9936aac06ab940566020d050fdaa0d5e8d2e6c128aeDoris Liu keyframe.setInterpolator(interpolator); 9946aac06ab940566020d050fdaa0d5e8d2e6c128aeDoris Liu } 995d430753cba09acb07af8b313286f247c78a41a32Chet Haase a.recycle(); 996e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 997d430753cba09acb07af8b313286f247c78a41a32Chet Haase return keyframe; 998e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 999e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 1000fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount private static ObjectAnimator loadObjectAnimator(Resources res, Theme theme, AttributeSet attrs, 10017513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu float pathErrorScale) throws NotFoundException { 1002e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui ObjectAnimator anim = new ObjectAnimator(); 1003e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 10047513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu loadAnimator(res, theme, attrs, anim, pathErrorScale); 1005e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 1006e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui return anim; 1007e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 1008e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 1009e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui /** 1010e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * Creates a new animation whose parameters come from the specified context 1011e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * and attributes set. 1012e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * 1013e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * @param res The resources 1014e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui * @param attrs The set of attributes holding the animation parameters 1015cf4832f69c8786b098ce18c24319021f8cd6733aztenghui * @param anim Null if this is a ValueAnimator, otherwise this is an 1016cf4832f69c8786b098ce18c24319021f8cd6733aztenghui * ObjectAnimator 1017e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui */ 1018e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui private static ValueAnimator loadAnimator(Resources res, Theme theme, 10197513aab4dfa33130fd846bf033f4878ae1c75914Doris Liu AttributeSet attrs, ValueAnimator anim, float pathErrorScale) 1020e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui throws NotFoundException { 1021cf4832f69c8786b098ce18c24319021f8cd6733aztenghui TypedArray arrayAnimator = null; 1022cf4832f69c8786b098ce18c24319021f8cd6733aztenghui TypedArray arrayObjectAnimator = null; 1023cf4832f69c8786b098ce18c24319021f8cd6733aztenghui 1024e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui if (theme != null) { 1025cf4832f69c8786b098ce18c24319021f8cd6733aztenghui arrayAnimator = theme.obtainStyledAttributes(attrs, R.styleable.Animator, 0, 0); 1026e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } else { 1027cf4832f69c8786b098ce18c24319021f8cd6733aztenghui arrayAnimator = res.obtainAttributes(attrs, R.styleable.Animator); 1028e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui } 1029e5e92602a41a4ddc7b42cd1c171a0edfbd09b8daztenghui 1030cf4832f69c8786b098ce18c24319021f8cd6733aztenghui // If anim is not null, then it is an object animator. 1031cf4832f69c8786b098ce18c24319021f8cd6733aztenghui if (anim != null) { 1032cf4832f69c8786b098ce18c24319021f8cd6733aztenghui if (theme != null) { 1033cf4832f69c8786b098ce18c24319021f8cd6733aztenghui arrayObjectAnimator = theme.obtainStyledAttributes(attrs, 1034cf4832f69c8786b098ce18c24319021f8cd6733aztenghui R.styleable.PropertyAnimator, 0, 0); 1035cf4832f69c8786b098ce18c24319021f8cd6733aztenghui } else { 1036cf4832f69c8786b098ce18c24319021f8cd6733aztenghui arrayObjectAnimator = res.obtainAttributes(attrs, R.styleable.PropertyAnimator); 1037cf4832f69c8786b098ce18c24319021f8cd6733aztenghui } 1038d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar anim.appendChangingConfigurations(arrayObjectAnimator.getChangingConfigurations()); 1039cf4832f69c8786b098ce18c24319021f8cd6733aztenghui } 10407f9988f0f51e181f20fa22e17635d61893e5b74aCraig Stout 10417f9988f0f51e181f20fa22e17635d61893e5b74aCraig Stout if (anim == null) { 10427f9988f0f51e181f20fa22e17635d61893e5b74aCraig Stout anim = new ValueAnimator(); 10437f9988f0f51e181f20fa22e17635d61893e5b74aCraig Stout } 1044d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar anim.appendChangingConfigurations(arrayAnimator.getChangingConfigurations()); 10457f9988f0f51e181f20fa22e17635d61893e5b74aCraig Stout 1046fd3c4744f265c5277e6e2641a18d5ec3dff19f6bGeorge Mount parseAnimatorFromTypeArray(anim, arrayAnimator, arrayObjectAnimator, pathErrorScale); 1047d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase 1048d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar final int resID = arrayAnimator.getResourceId(R.styleable.Animator_interpolator, 0); 1049d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase if (resID > 0) { 1050d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar final Interpolator interpolator = AnimationUtils.loadInterpolator(res, theme, resID); 1051d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar if (interpolator instanceof BaseInterpolator) { 1052d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar anim.appendChangingConfigurations( 1053d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar ((BaseInterpolator) interpolator).getChangingConfiguration()); 1054d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } 1055d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar anim.setInterpolator(interpolator); 1056d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase } 1057cf4832f69c8786b098ce18c24319021f8cd6733aztenghui 1058cf4832f69c8786b098ce18c24319021f8cd6733aztenghui arrayAnimator.recycle(); 10597f9988f0f51e181f20fa22e17635d61893e5b74aCraig Stout if (arrayObjectAnimator != null) { 10607f9988f0f51e181f20fa22e17635d61893e5b74aCraig Stout arrayObjectAnimator.recycle(); 10617f9988f0f51e181f20fa22e17635d61893e5b74aCraig Stout } 1062d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase return anim; 1063d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase } 1064d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar 1065d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar private static int getChangingConfigs(Resources resources, int id) { 1066d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar synchronized (sTmpTypedValue) { 1067d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar resources.getValue(id, sTmpTypedValue, true); 1068d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar return sTmpTypedValue.changingConfigurations; 1069d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } 1070d422dc358f0100106dc07d7b903201eb9b043b11Yigit Boyar } 10719032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu 10729032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu private static boolean isColorType(int type) { 10739032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu return (type >= TypedValue.TYPE_FIRST_COLOR_INT) && (type <= TypedValue.TYPE_LAST_COLOR_INT); 10749032fa5808d7808f54d31d646049d0b1f4a9491bDoris Liu } 1075d51d368f2d512ab657b8ae45780c82c0dbea94c3Chet Haase} 1076