19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.graphics.drawable; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viveretteimport com.android.internal.R; 20d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.xmlpull.v1.XmlPullParser; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.xmlpull.v1.XmlPullParserException; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 265ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viveretteimport android.annotation.NonNull; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.Resources; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 2952b999f0721b53e9c6e18a4bd664e89aeb65b2d5Alan Viveretteimport android.content.res.Resources.Theme; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemClock; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 3470e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * An object used to create frame-by-frame animations, defined by a series of 3570e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * Drawable objects, which can be used as a View object's background. 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 3770e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * The simplest way to create a frame-by-frame animation is to define the 3870e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * animation in an XML file, placed in the res/drawable/ folder, and set it as 3970e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * the background to a View object. Then, call {@link #start()} to run the 4070e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * animation. 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 4270e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * An AnimationDrawable defined in XML consists of a single 4370e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * {@code <animation-list>} element and a series of nested 4470e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * {@code <item>} tags. Each item defines a frame of the animation. See 4570e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * the example below. 4670e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * <p> 4770e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * spin_animation.xml file in res/drawable/ folder: 4870e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * <pre> 4970e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * <!-- Animation frames are wheel0.png through wheel5.png 5070e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * files inside the res/drawable/ folder --> 51f7917e656b94ec2adfc3fa826e093665d39748d2Chet Haase * <animation-list android:id="@+id/selected" android:oneshot="false"> 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <item android:drawable="@drawable/wheel0" android:duration="50" /> 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <item android:drawable="@drawable/wheel1" android:duration="50" /> 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <item android:drawable="@drawable/wheel2" android:duration="50" /> 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <item android:drawable="@drawable/wheel3" android:duration="50" /> 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <item android:drawable="@drawable/wheel4" android:duration="50" /> 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <item android:drawable="@drawable/wheel5" android:duration="50" /> 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </animation-list></pre> 5970e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * <p> 6070e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * Here is the code to load and play this animation. 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre> 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * // Load the ImageView that will host the animation and 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * // set its background to our AnimationDrawable XML resource. 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ImageView img = (ImageView)findViewById(R.id.spinning_wheel_image); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * img.setBackgroundResource(R.drawable.spin_animation); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * // Get the background, which has been compiled to an AnimationDrawable object. 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AnimationDrawable frameAnimation = (AnimationDrawable) img.getBackground(); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * // Start the animation (looped playback by default). 71f5534a0785db9dfa239d8b6c20b011993742d534Chet Haase * frameAnimation.start(); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 733aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * 743aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <div class="special reference"> 753aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <h3>Developer Guides</h3> 763aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <p>For more information about animating with {@code AnimationDrawable}, read the 773aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <a href="{@docRoot}guide/topics/graphics/drawable-animation.html">Drawable Animation</a> 783aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * developer guide.</p> 793aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * </div> 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AnimationDrawable_visible 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AnimationDrawable_variablePadding 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AnimationDrawable_oneshot 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AnimationDrawableItem_duration 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#AnimationDrawableItem_drawable 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 87b5537c452271634b6ff3981b0624fa65384abd5bRomain Guypublic class AnimationDrawable extends DrawableContainer implements Runnable, Animatable { 885ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viverette private AnimationState mAnimationState; 89100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette 9056ef127df75164243a21df10771e7c77c8ef2e24Doris Liu /** The current frame, ranging from 0 to {@link #mAnimationState#getChildCount() - 1} */ 9156ef127df75164243a21df10771e7c77c8ef2e24Doris Liu private int mCurFrame = 0; 92100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette 93100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette /** Whether the drawable has an animation callback posted. */ 94100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette private boolean mRunning; 95100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette 96100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette /** Whether the drawable should animate when visible. */ 97180979f76b0c99cd7053a44692f6408721b74bceJohn Spurlock private boolean mAnimating; 98100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mMutated; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AnimationDrawable() { 102c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn this(null, null); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 105100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette /** 106100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette * Sets whether this AnimationDrawable is visible. 107100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette * <p> 108100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette * When the drawable becomes invisible, it will pause its animation. A 109100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette * subsequent change to visible with <code>restart</code> set to true will 110100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette * restart the animation from the first frame. If <code>restart</code> is 111100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette * false, the animation will resume from the most recent frame. 112100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette * 113100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette * @param visible true if visible, false otherwise 114100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette * @param restart when visible, true to force the animation to restart 115100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette * from the first frame 116100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette * @return true if the new visibility is different than its previous state 117100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette */ 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean setVisible(boolean visible, boolean restart) { 12097fb0aa5090858705b66bfc4c05e7530c5d3d6b1Alan Viverette final boolean changed = super.setVisible(visible, restart); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (visible) { 122100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette if (restart || changed) { 12356ef127df75164243a21df10771e7c77c8ef2e24Doris Liu boolean startFromZero = restart || !mRunning || 124030435773dc5413a690d460e97fd681740cd32efChet Haase mCurFrame >= mAnimationState.getChildCount(); 125030435773dc5413a690d460e97fd681740cd32efChet Haase setFrame(startFromZero ? 0 : mCurFrame, true, mAnimating); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unscheduleSelf(this); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13470e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * Starts the animation, looping if necessary. This method has no effect 13570e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * if the animation is running. 13670e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * <p> 13770e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * <strong>Note:</strong> Do not call this in the 13870e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * {@link android.app.Activity#onCreate} method of your activity, because 13970e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * the {@link AnimationDrawable} is not yet fully attached to the window. 14070e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * If you want to play the animation immediately without requiring 14170e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * interaction, then you might want to call it from the 14270e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * {@link android.app.Activity#onWindowFocusChanged} method in your 14370e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * activity, which will get called when Android brings your window into 14470e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * focus. 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isRunning() 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #stop() 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 149b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette @Override 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void start() { 151100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette mAnimating = true; 152100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isRunning()) { 154c7741d467b37351ab13f75592fc7400d0c2ba6d7Doris Liu // Start from 0th frame. 155c7741d467b37351ab13f75592fc7400d0c2ba6d7Doris Liu setFrame(0, false, mAnimationState.getChildCount() > 1 156c7741d467b37351ab13f75592fc7400d0c2ba6d7Doris Liu || !mAnimationState.mOneShot); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16170e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * Stops the animation. This method has no effect if the animation is not 16270e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * running. 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isRunning() 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #start() 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 167b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette @Override 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void stop() { 169100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette mAnimating = false; 170100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isRunning()) { 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unscheduleSelf(this); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17770e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * Indicates whether the animation is currently running or not. 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the animation is running, false otherwise 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 181b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette @Override 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isRunning() { 183100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette return mRunning; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18770e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * This method exists for implementation purpose only and should not be 18870e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * called directly. Invoke {@link #start()} instead. 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #start() 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 192b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette @Override 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nextFrame(false); 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unscheduleSelf(Runnable what) { 19956ef127df75164243a21df10771e7c77c8ef2e24Doris Liu mCurFrame = 0; 200100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette mRunning = false; 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.unscheduleSelf(what); 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of frames in the animation 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getNumberOfFrames() { 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAnimationState.getChildCount(); 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 210b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The Drawable at the specified frame index 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getFrame(int index) { 21572146433322588c1116ee06c27ac758ad09d869cAlan Viverette return mAnimationState.getChild(index); 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 217b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 219b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette * @return The duration in milliseconds of the frame at the 22070e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * specified index 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getDuration(int i) { 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAnimationState.mDurations[i]; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 225b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True of the animation will play once, false otherwise 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isOneShot() { 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAnimationState.mOneShot; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 232b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether the animation should play once or repeat. 235b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette * 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oneShot Pass true if the animation should only play once 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOneShot(boolean oneShot) { 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationState.mOneShot = oneShot; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 241b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24370e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette * Adds a frame to the animation 244b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette * 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param frame The frame to add 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param duration How long in milliseconds the frame should appear 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24870e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette public void addFrame(@NonNull Drawable frame, int duration) { 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationState.addFrame(frame, duration); 25056ef127df75164243a21df10771e7c77c8ef2e24Doris Liu if (!mRunning) { 251f5534a0785db9dfa239d8b6c20b011993742d534Chet Haase setFrame(0, true, false); 252f5534a0785db9dfa239d8b6c20b011993742d534Chet Haase } 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 254b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void nextFrame(boolean unschedule) { 25670e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette int nextFrame = mCurFrame + 1; 25770e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette final int numFrames = mAnimationState.getChildCount(); 25870e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette final boolean isLastFrame = mAnimationState.mOneShot && nextFrame >= (numFrames - 1); 25970e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette 26070e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette // Loop if necessary. One-shot animations should never hit this case. 26170e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette if (!mAnimationState.mOneShot && nextFrame >= numFrames) { 26270e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette nextFrame = 0; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 264100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette 26570e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette setFrame(nextFrame, unschedule, !isLastFrame); 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void setFrame(int frame, boolean unschedule, boolean animate) { 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame >= mAnimationState.getChildCount()) { 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 272100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette mAnimating = animate; 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurFrame = frame; 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectDrawable(frame); 275180979f76b0c99cd7053a44692f6408721b74bceJohn Spurlock if (unschedule || animate) { 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unscheduleSelf(this); 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animate) { 279180979f76b0c99cd7053a44692f6408721b74bceJohn Spurlock // Unscheduling may have clobbered these values; restore them 280f7917e656b94ec2adfc3fa826e093665d39748d2Chet Haase mCurFrame = frame; 281100a2d1fc67d79d19afa0c00830350a5d4ab0c59Alan Viverette mRunning = true; 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scheduleSelf(this, SystemClock.uptimeMillis() + mAnimationState.mDurations[frame]); 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 28752b999f0721b53e9c6e18a4bd664e89aeb65b2d5Alan Viverette public void inflate(Resources r, XmlPullParser parser, AttributeSet attrs, Theme theme) 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws XmlPullParserException, IOException { 289d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette final TypedArray a = obtainAttributes(r, theme, attrs, R.styleable.AnimationDrawable); 290d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette super.inflateWithAttributes(r, parser, a, R.styleable.AnimationDrawable_visible); 291d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette updateStateFromTypedArray(a); 292d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette a.recycle(); 293b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 294d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette inflateChildElements(r, parser, attrs, theme); 295b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 296d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette setFrame(0, true, false); 297d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette } 298b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 299d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette private void inflateChildElements(Resources r, XmlPullParser parser, AttributeSet attrs, 300d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette Theme theme) throws XmlPullParserException, IOException { 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int type; 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int innerDepth = parser.getDepth()+1; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int depth; 305d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 306d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette && ((depth = parser.getDepth()) >= innerDepth || type != XmlPullParser.END_TAG)) { 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (type != XmlPullParser.START_TAG) { 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (depth > innerDepth || !parser.getName().equals("item")) { 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 314b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 3152d91f63ec20c4b06e87c80451a656462eceba17fAlan Viverette final TypedArray a = obtainAttributes(r, theme, attrs, 3162d91f63ec20c4b06e87c80451a656462eceba17fAlan Viverette R.styleable.AnimationDrawableItem); 317d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette 318d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette final int duration = a.getInt(R.styleable.AnimationDrawableItem_duration, -1); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (duration < 0) { 320d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette throw new XmlPullParserException(parser.getPositionDescription() 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ": <item> tag requires a 'duration' attribute"); 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 323d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette 3242d91f63ec20c4b06e87c80451a656462eceba17fAlan Viverette Drawable dr = a.getDrawable(R.styleable.AnimationDrawableItem_drawable); 325b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 327b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 3282d91f63ec20c4b06e87c80451a656462eceba17fAlan Viverette if (dr == null) { 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((type=parser.next()) == XmlPullParser.TEXT) { 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Empty 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (type != XmlPullParser.START_TAG) { 333d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette throw new XmlPullParserException(parser.getPositionDescription() 334d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette + ": <item> tag requires a 'drawable' attribute or child tag" 335d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette + " defining a drawable"); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3376dbe51b50e82057af4d29882889444d22ac19c9cAlan Viverette dr = Drawable.createFromXmlInner(r, parser, attrs, theme); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 339b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationState.addFrame(dr, duration); 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dr != null) { 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dr.setCallback(this); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 345d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette } 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 347d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette private void updateStateFromTypedArray(TypedArray a) { 348d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette mAnimationState.mVariablePadding = a.getBoolean( 349d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette R.styleable.AnimationDrawable_variablePadding, mAnimationState.mVariablePadding); 350d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette 351d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette mAnimationState.mOneShot = a.getBoolean( 352d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette R.styleable.AnimationDrawable_oneshot, mAnimationState.mOneShot); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 35670e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette @NonNull 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable mutate() { 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mMutated && super.mutate() == this) { 3598dcd533786df8d824f1e040230ee9e7e5b083998Alan Viverette mAnimationState.mutate(); 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMutated = true; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3658dcd533786df8d824f1e040230ee9e7e5b083998Alan Viverette @Override 3668dcd533786df8d824f1e040230ee9e7e5b083998Alan Viverette AnimationState cloneConstantState() { 3678dcd533786df8d824f1e040230ee9e7e5b083998Alan Viverette return new AnimationState(mAnimationState, this, null); 3688dcd533786df8d824f1e040230ee9e7e5b083998Alan Viverette } 3698dcd533786df8d824f1e040230ee9e7e5b083998Alan Viverette 370727cae197b123ef764a1f8fbe08a995b000d14c3Alan Viverette /** 371727cae197b123ef764a1f8fbe08a995b000d14c3Alan Viverette * @hide 372727cae197b123ef764a1f8fbe08a995b000d14c3Alan Viverette */ 373727cae197b123ef764a1f8fbe08a995b000d14c3Alan Viverette public void clearMutated() { 374727cae197b123ef764a1f8fbe08a995b000d14c3Alan Viverette super.clearMutated(); 375727cae197b123ef764a1f8fbe08a995b000d14c3Alan Viverette mMutated = false; 376727cae197b123ef764a1f8fbe08a995b000d14c3Alan Viverette } 377727cae197b123ef764a1f8fbe08a995b000d14c3Alan Viverette 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static class AnimationState extends DrawableContainerState { 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mDurations; 380d21fd9d1ccd2b525f9c004a6cd9ba19a645701abAlan Viverette private boolean mOneShot = false; 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 38270e68e0ff17f3d47f382b6ac0e6a7eb49be17965Alan Viverette AnimationState(AnimationState orig, AnimationDrawable owner, Resources res) { 383c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn super(orig, owner, res); 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (orig != null) { 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDurations = orig.mDurations; 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = orig.mOneShot; 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 38972146433322588c1116ee06c27ac758ad09d869cAlan Viverette mDurations = new int[getCapacity()]; 3900b9ab9749aec297aa03c3fde6d5552c9f212ddbfAlan Viverette mOneShot = false; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3948dcd533786df8d824f1e040230ee9e7e5b083998Alan Viverette private void mutate() { 3958dcd533786df8d824f1e040230ee9e7e5b083998Alan Viverette mDurations = mDurations.clone(); 3968dcd533786df8d824f1e040230ee9e7e5b083998Alan Viverette } 3978dcd533786df8d824f1e040230ee9e7e5b083998Alan Viverette 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable newDrawable() { 400c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn return new AnimationDrawable(this, null); 401c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn } 402c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn 403c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn @Override 404c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn public Drawable newDrawable(Resources res) { 405c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn return new AnimationDrawable(this, res); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addFrame(Drawable dr, int dur) { 409b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette // Do not combine the following. The array index must be evaluated before 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the array is accessed because super.addChild(dr) has a side effect on mDurations. 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = super.addChild(dr); 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDurations[pos] = dur; 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void growArray(int oldSize, int newSize) { 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.growArray(oldSize, newSize); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] newDurations = new int[newSize]; 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mDurations, 0, newDurations, 0, oldSize); 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDurations = newDurations; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4245ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viverette @Override 4255ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viverette protected void setConstantState(@NonNull DrawableContainerState state) { 4265ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viverette super.setConstantState(state); 4275ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viverette 4285ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viverette if (state instanceof AnimationState) { 4295ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viverette mAnimationState = (AnimationState) state; 4305ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viverette } 4315ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viverette } 4325ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viverette 433c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn private AnimationDrawable(AnimationState state, Resources res) { 4345ed8f27858dbdf85203068eca46eef0a65f3344eAlan Viverette final AnimationState as = new AnimationState(state, this, res); 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setConstantState(as); 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state != null) { 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFrame(0, true, false); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 442