Merge "Removing Launcher activity dependency on various animations" into ub-launcher3-master

14 files changed, 148 insertions, 255 deletions

diff --git a/src/com/android/launcher3/AppWidgetResizeFrame.java b/src/com/android/launcher3/AppWidgetResizeFrame.java
index 7648e3037..b2d5a3f4f 100644
--- a/src/com/android/launcher3/AppWidgetResizeFrame.java
+++ b/src/com/android/launcher3/AppWidgetResizeFrame.java
@@ -433,22 +433,18 @@ public class AppWidgetResizeFrame extends AbstractFloatingView implements View.O
             }
             requestLayout();
         } else {
-            PropertyValuesHolder width = PropertyValuesHolder.ofInt("width", lp.width, newWidth);
-            PropertyValuesHolder height = PropertyValuesHolder.ofInt("height", lp.height,
-                    newHeight);
-            PropertyValuesHolder x = PropertyValuesHolder.ofInt("x", lp.x, newX);
-            PropertyValuesHolder y = PropertyValuesHolder.ofInt("y", lp.y, newY);
-            ObjectAnimator oa =
-                    LauncherAnimUtils.ofPropertyValuesHolder(lp, this, width, height, x, y);
-            oa.addUpdateListener(new AnimatorUpdateListener() {
-                public void onAnimationUpdate(ValueAnimator animation) {
-                    requestLayout();
-                }
-            });
-            AnimatorSet set = LauncherAnimUtils.createAnimatorSet();
+            ObjectAnimator oa = LauncherAnimUtils.ofPropertyValuesHolder(lp, this,
+                    PropertyValuesHolder.ofInt("width", lp.width, newWidth),
+                    PropertyValuesHolder.ofInt("height", lp.height, newHeight),
+                    PropertyValuesHolder.ofInt("x", lp.x, newX),
+                    PropertyValuesHolder.ofInt("y", lp.y, newY));
+            oa.addUpdateListener(a -> requestLayout());
+
+            AnimatorSet set = new AnimatorSet();
             set.play(oa);
             for (int i = 0; i < HANDLE_COUNT; i++) {
-                set.play(LauncherAnimUtils.ofFloat(mDragHandles[i], ALPHA, 1.0f));
+                set.play(LauncherAnimUtils.ofPropertyValuesHolder(mDragHandles[i],
+                        PropertyValuesHolder.ofFloat(ALPHA, 1f)));
             }
 
             set.setDuration(SNAP_DURATION);
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 6c2fd8e53..260abd1aa 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -18,6 +18,7 @@ package com.android.launcher3;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
+import android.animation.ObjectAnimator;
 import android.animation.TimeInterpolator;
 import android.animation.ValueAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
@@ -34,11 +35,13 @@ import android.graphics.Rect;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.Parcelable;
+import android.os.SystemClock;
 import android.support.annotation.IntDef;
 import android.support.v4.view.ViewCompat;
 import android.util.ArrayMap;
 import android.util.AttributeSet;
 import android.util.Log;
+import android.util.Property;
 import android.util.SparseArray;
 import android.view.MotionEvent;
 import android.view.View;
@@ -243,7 +246,7 @@ public class CellLayout extends ViewGroup {
 
         for (int i = 0; i < mDragOutlineAnims.length; i++) {
             final InterruptibleInOutAnimator anim =
-                new InterruptibleInOutAnimator(this, duration, fromAlphaValue, toAlphaValue);
+                new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue);
             anim.getAnimator().setInterpolator(mEaseOutInterpolator);
             final int thisIndex = i;
             anim.getAnimator().addUpdateListener(new AnimatorUpdateListener() {
@@ -877,7 +880,7 @@ public class CellLayout extends ViewGroup {
                 return true;
             }
 
-            ValueAnimator va = LauncherAnimUtils.ofFloat(0f, 1f);
+            ValueAnimator va = ValueAnimator.ofFloat(0f, 1f);
             va.setDuration(duration);
             mReorderAnimators.put(lp, va);
 
@@ -1884,6 +1887,19 @@ public class CellLayout extends ViewGroup {
         }
     }
 
+    private static final Property<ReorderPreviewAnimation, Float> ANIMATION_PROGRESS =
+            new Property<ReorderPreviewAnimation, Float>(float.class, "animationProgress") {
+                @Override
+                public Float get(ReorderPreviewAnimation anim) {
+                    return anim.animationProgress;
+                }
+
+                @Override
+                public void set(ReorderPreviewAnimation anim, Float progress) {
+                    anim.setAnimationProgress(progress);
+                }
+            };
+
     // Class which represents the reorder preview animations. These animations show that an item is
     // in a temporary state, and hint at where the item will return to.
     class ReorderPreviewAnimation {
@@ -1904,6 +1920,7 @@ public class CellLayout extends ViewGroup {
         public static final int MODE_HINT = 0;
         public static final int MODE_PREVIEW = 1;
 
+        float animationProgress = 0;
         Animator a;
 
         public ReorderPreviewAnimation(View child, int mode, int cellX0, int cellY0, int cellX1,
@@ -1974,7 +1991,7 @@ public class CellLayout extends ViewGroup {
             if (noMovement) {
                 return;
             }
-            ValueAnimator va = LauncherAnimUtils.ofFloat(0f, 1f);
+            ValueAnimator va = ObjectAnimator.ofFloat(this, ANIMATION_PROGRESS, 0, 1);
             a = va;
 
             // Animations are disabled in power save mode, causing the repeated animation to jump
@@ -1987,20 +2004,6 @@ public class CellLayout extends ViewGroup {
 
             va.setDuration(mode == MODE_HINT ? HINT_DURATION : PREVIEW_DURATION);
             va.setStartDelay((int) (Math.random() * 60));
-            va.addUpdateListener(new AnimatorUpdateListener() {
-                @Override
-                public void onAnimationUpdate(ValueAnimator animation) {
-                    float r = (Float) animation.getAnimatedValue();
-                    float r1 = (mode == MODE_HINT && repeating) ? 1.0f : r;
-                    float x = r1 * finalDeltaX + (1 - r1) * initDeltaX;
-                    float y = r1 * finalDeltaY + (1 - r1) * initDeltaY;
-                    child.setTranslationX(x);
-                    child.setTranslationY(y);
-                    float s = r * finalScale + (1 - r) * initScale;
-                    child.setScaleX(s);
-                    child.setScaleY(s);
-                }
-            });
             va.addListener(new AnimatorListenerAdapter() {
                 public void onAnimationRepeat(Animator animation) {
                     // We make sure to end only after a full period
@@ -2012,6 +2015,18 @@ public class CellLayout extends ViewGroup {
             va.start();
         }
 
+        private void setAnimationProgress(float progress) {
+            animationProgress = progress;
+            float r1 = (mode == MODE_HINT && repeating) ? 1.0f : animationProgress;
+            float x = r1 * finalDeltaX + (1 - r1) * initDeltaX;
+            float y = r1 * finalDeltaY + (1 - r1) * initDeltaY;
+            child.setTranslationX(x);
+            child.setTranslationY(y);
+            float s = animationProgress * finalScale + (1 - animationProgress) * initScale;
+            child.setScaleX(s);
+            child.setScaleY(s);
+        }
+
         private void cancel() {
             if (a != null) {
                 a.cancel();
diff --git a/src/com/android/launcher3/FirstFrameAnimatorHelper.java b/src/com/android/launcher3/FirstFrameAnimatorHelper.java
index e7ca12148..48c105989 100644
--- a/src/com/android/launcher3/FirstFrameAnimatorHelper.java
+++ b/src/com/android/launcher3/FirstFrameAnimatorHelper.java
@@ -16,24 +16,21 @@
 
 package com.android.launcher3;
 
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
+import static com.android.launcher3.Utilities.SINGLE_FRAME_MS;
+
 import android.animation.ValueAnimator;
 import android.util.Log;
 import android.view.View;
-import android.view.ViewPropertyAnimator;
 import android.view.ViewTreeObserver;
-import com.android.launcher3.util.Thunk;
 
-import static com.android.launcher3.Utilities.SINGLE_FRAME_MS;
+import com.android.launcher3.util.Thunk;
 
 /*
  *  This is a helper class that listens to updates from the corresponding animation.
  *  For the first two frames, it adjusts the current play time of the animation to
  *  prevent jank at the beginning of the animation
  */
-public class FirstFrameAnimatorHelper extends AnimatorListenerAdapter
-    implements ValueAnimator.AnimatorUpdateListener {
+public class FirstFrameAnimatorHelper implements ValueAnimator.AnimatorUpdateListener {
     private static final String TAG = "FirstFrameAnimatorHlpr";
     private static final boolean DEBUG = false;
     private static final int MAX_DELAY = 1000;
@@ -52,18 +49,6 @@ public class FirstFrameAnimatorHelper extends AnimatorListenerAdapter
         animator.addUpdateListener(this);
     }
 
-    public FirstFrameAnimatorHelper(ViewPropertyAnimator vpa, View target) {
-        mTarget = target;
-        vpa.setListener(this);
-    }
-
-    // only used for ViewPropertyAnimators
-    public void onAnimationStart(Animator animation) {
-        final ValueAnimator va = (ValueAnimator) animation;
-        va.addUpdateListener(FirstFrameAnimatorHelper.this);
-        onAnimationUpdate(va);
-    }
-
     public static void setIsVisible(boolean visible) {
         sVisible = visible;
     }
@@ -78,6 +63,7 @@ public class FirstFrameAnimatorHelper extends AnimatorListenerAdapter
         sVisible = true;
     }
 
+    @Override
     public void onAnimationUpdate(final ValueAnimator animation) {
         final long currentTime = System.currentTimeMillis();
         if (mStartTime == -1) {
@@ -115,11 +101,7 @@ public class FirstFrameAnimatorHelper extends AnimatorListenerAdapter
                 mAdjustedSecondFrameTime = true;
             } else {
                 if (frameNum > 1) {
-                    mTarget.post(new Runnable() {
-                            public void run() {
-                                animation.removeUpdateListener(FirstFrameAnimatorHelper.this);
-                            }
-                        });
+                    mTarget.post(() -> animation.removeUpdateListener(this));
                 }
                 if (DEBUG) print(animation);
             }
diff --git a/src/com/android/launcher3/InterruptibleInOutAnimator.java b/src/com/android/launcher3/InterruptibleInOutAnimator.java
index 8501e2429..f4395ca63 100644
--- a/src/com/android/launcher3/InterruptibleInOutAnimator.java
+++ b/src/com/android/launcher3/InterruptibleInOutAnimator.java
@@ -18,7 +18,9 @@ package com.android.launcher3;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
+import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
+import android.util.Property;
 import android.view.View;
 
 import com.android.launcher3.util.Thunk;
@@ -31,11 +33,27 @@ import com.android.launcher3.util.Thunk;
  * interpolator in the same direction.
  */
 public class InterruptibleInOutAnimator {
+
+    private static final Property<InterruptibleInOutAnimator, Float> VALUE =
+            new Property<InterruptibleInOutAnimator, Float>(Float.TYPE, "value") {
+                @Override
+                public Float get(InterruptibleInOutAnimator anim) {
+                    return anim.mValue;
+                }
+
+                @Override
+                public void set(InterruptibleInOutAnimator anim, Float value) {
+                    anim.mValue = value;
+                }
+            };
+
     private long mOriginalDuration;
     private float mOriginalFromValue;
     private float mOriginalToValue;
     private ValueAnimator mAnimator;
 
+    private float mValue;
+
     private boolean mFirstRun = true;
 
     private Object mTag = null;
@@ -47,8 +65,8 @@ public class InterruptibleInOutAnimator {
     // TODO: This isn't really necessary, but is here to help diagnose a bug in the drag viz
     @Thunk int mDirection = STOPPED;
 
-    public InterruptibleInOutAnimator(View view, long duration, float fromValue, float toValue) {
-        mAnimator = LauncherAnimUtils.ofFloat(fromValue, toValue).setDuration(duration);
+    public InterruptibleInOutAnimator(long duration, float fromValue, float toValue) {
+        mAnimator = ObjectAnimator.ofFloat(this, VALUE, fromValue, toValue).setDuration(duration);
         mOriginalDuration = duration;
         mOriginalFromValue = fromValue;
         mOriginalToValue = toValue;
@@ -64,8 +82,7 @@ public class InterruptibleInOutAnimator {
     private void animate(int direction) {
         final long currentPlayTime = mAnimator.getCurrentPlayTime();
         final float toValue = (direction == IN) ? mOriginalToValue : mOriginalFromValue;
-        final float startValue = mFirstRun ? mOriginalFromValue :
-                ((Float) mAnimator.getAnimatedValue()).floatValue();
+        final float startValue = mFirstRun ? mOriginalFromValue : mValue;
 
         // Make sure it's stopped before we modify any values
         cancel();
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index a54512205..9650e4eb7 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -31,6 +31,7 @@ import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
+import android.animation.PropertyValuesHolder;
 import android.animation.ValueAnimator;
 import android.annotation.TargetApi;
 import android.app.ActivityOptions;
@@ -1332,9 +1333,6 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
         }
 
         TextKeyListener.getInstance().release();
-
-        LauncherAnimUtils.onDestroyActivity();
-
         clearPendingBinds();
 
         if (mLauncherCallbacks != null) {
@@ -1841,7 +1839,7 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
     @Override
     public void bindItems(final List<ItemInfo> items, final boolean forceAnimateIcons) {
         // Get the list of added items and intersect them with the set of items here
-        final AnimatorSet anim = LauncherAnimUtils.createAnimatorSet();
+        final AnimatorSet anim = new AnimatorSet();
         final Collection<Animator> bounceAnims = new ArrayList<>();
         final boolean animateIcons = forceAnimateIcons && canRunNewAppsAnimation();
         Workspace workspace = mWorkspace;
@@ -2163,7 +2161,10 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
     }
 
     private ValueAnimator createNewAppBounceAnimation(View v, int i) {
-        ValueAnimator bounceAnim = LauncherAnimUtils.ofViewAlphaAndScale(v, 1, 1, 1);
+        ValueAnimator bounceAnim = LauncherAnimUtils.ofPropertyValuesHolder(v,
+                PropertyValuesHolder.ofFloat(View.ALPHA, 1f),
+                PropertyValuesHolder.ofFloat(View.SCALE_X, 1f),
+                PropertyValuesHolder.ofFloat(View.SCALE_Y, 1f));
         bounceAnim.setDuration(InstallShortcutReceiver.NEW_SHORTCUT_BOUNCE_DURATION);
         bounceAnim.setStartDelay(i * InstallShortcutReceiver.NEW_SHORTCUT_STAGGER_DELAY);
         bounceAnim.setInterpolator(new OvershootInterpolator(BOUNCE_ANIMATION_TENSION));
diff --git a/src/com/android/launcher3/LauncherAnimUtils.java b/src/com/android/launcher3/LauncherAnimUtils.java
index 03ffded72..7944ec59b 100644
--- a/src/com/android/launcher3/LauncherAnimUtils.java
+++ b/src/com/android/launcher3/LauncherAnimUtils.java
@@ -16,18 +16,11 @@
 
 package com.android.launcher3;
 
-import android.animation.Animator;
-import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.animation.PropertyValuesHolder;
-import android.animation.ValueAnimator;
 import android.graphics.drawable.Drawable;
 import android.util.Property;
 import android.view.View;
-import android.view.ViewTreeObserver;
-
-import java.util.HashSet;
-import java.util.WeakHashMap;
 
 public class LauncherAnimUtils {
     /**
@@ -42,92 +35,6 @@ public class LauncherAnimUtils {
     // The progress of an animation to all apps must be at least this far along to snap to all apps.
     public static final float MIN_PROGRESS_TO_ALL_APPS = 0.5f;
 
-    static WeakHashMap<Animator, Object> sAnimators = new WeakHashMap<Animator, Object>();
-    static Animator.AnimatorListener sEndAnimListener = new Animator.AnimatorListener() {
-        public void onAnimationStart(Animator animation) {
-            sAnimators.put(animation, null);
-        }
-
-        public void onAnimationRepeat(Animator animation) {
-        }
-
-        public void onAnimationEnd(Animator animation) {
-            sAnimators.remove(animation);
-        }
-
-        public void onAnimationCancel(Animator animation) {
-            sAnimators.remove(animation);
-        }
-    };
-
-    public static void cancelOnDestroyActivity(Animator a) {
-        a.addListener(sEndAnimListener);
-    }
-
-    // Helper method. Assumes a draw is pending, and that if the animation's duration is 0
-    // it should be cancelled
-    public static void startAnimationAfterNextDraw(final Animator animator, final View view) {
-        view.getViewTreeObserver().addOnDrawListener(new ViewTreeObserver.OnDrawListener() {
-            private boolean mStarted = false;
-
-            public void onDraw() {
-                if (mStarted) return;
-                mStarted = true;
-                // Use this as a signal that the animation was cancelled
-                if (animator.getDuration() == 0) {
-                    return;
-                }
-                animator.start();
-
-                final ViewTreeObserver.OnDrawListener listener = this;
-                view.post(new Runnable() {
-                    public void run() {
-                        view.getViewTreeObserver().removeOnDrawListener(listener);
-                    }
-                });
-            }
-        });
-    }
-
-    public static void onDestroyActivity() {
-        HashSet<Animator> animators = new HashSet<Animator>(sAnimators.keySet());
-        for (Animator a : animators) {
-            if (a.isRunning()) {
-                a.cancel();
-            }
-            sAnimators.remove(a);
-        }
-    }
-
-    public static AnimatorSet createAnimatorSet() {
-        AnimatorSet anim = new AnimatorSet();
-        cancelOnDestroyActivity(anim);
-        return anim;
-    }
-
-    public static ValueAnimator ofFloat(float... values) {
-        ValueAnimator anim = new ValueAnimator();
-        anim.setFloatValues(values);
-        cancelOnDestroyActivity(anim);
-        return anim;
-    }
-
-    public static ObjectAnimator ofFloat(View target, Property<View, Float> property,
-            float... values) {
-        ObjectAnimator anim = ObjectAnimator.ofFloat(target, property, values);
-        cancelOnDestroyActivity(anim);
-        new FirstFrameAnimatorHelper(anim, target);
-        return anim;
-    }
-
-    public static ObjectAnimator ofViewAlphaAndScale(View target,
-            float alpha, float scaleX, float scaleY) {
-        return ofPropertyValuesHolder(target,
-                PropertyValuesHolder.ofFloat(View.ALPHA, alpha),
-                PropertyValuesHolder.ofFloat(View.SCALE_X, scaleX),
-                PropertyValuesHolder.ofFloat(View.SCALE_Y, scaleY));
-    }
-
     public static ObjectAnimator ofPropertyValuesHolder(View target,
             PropertyValuesHolder... values) {
         return ofPropertyValuesHolder(target, target, values);
@@ -136,7 +43,6 @@ public class LauncherAnimUtils {
     public static ObjectAnimator ofPropertyValuesHolder(Object target,
             View view, PropertyValuesHolder... values) {
         ObjectAnimator anim = ObjectAnimator.ofPropertyValuesHolder(target, values);
-        cancelOnDestroyActivity(anim);
         new FirstFrameAnimatorHelper(anim, view);
         return anim;
     }
diff --git a/src/com/android/launcher3/anim/AnimatorSetBuilder.java b/src/com/android/launcher3/anim/AnimatorSetBuilder.java
index 307f25856..fdac5c85f 100644
--- a/src/com/android/launcher3/anim/AnimatorSetBuilder.java
+++ b/src/com/android/launcher3/anim/AnimatorSetBuilder.java
@@ -20,8 +20,6 @@ import android.animation.AnimatorSet;
 import android.util.SparseArray;
 import android.view.animation.Interpolator;
 
-import com.android.launcher3.LauncherAnimUtils;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -56,7 +54,7 @@ public class AnimatorSetBuilder {
     }
 
     public AnimatorSet build() {
-        AnimatorSet anim = LauncherAnimUtils.createAnimatorSet();
+        AnimatorSet anim = new AnimatorSet();
         anim.playTogether(mAnims);
         if (!mOnFinishRunnables.isEmpty()) {
             anim.addListener(new AnimationSuccessListener() {
diff --git a/src/com/android/launcher3/dragndrop/DragView.java b/src/com/android/launcher3/dragndrop/DragView.java
index b3d9bdd72..998de99a5 100644
--- a/src/com/android/launcher3/dragndrop/DragView.java
+++ b/src/com/android/launcher3/dragndrop/DragView.java
@@ -77,8 +77,6 @@ public class DragView extends View {
     public static final int COLOR_CHANGE_DURATION = 120;
     public static final int VIEW_ZOOM_DURATION = 150;
 
-    @Thunk static float sDragAlpha = 1f;
-
     private boolean mDrawBitmap = true;
     private Bitmap mBitmap;
     private Bitmap mCrossFadeBitmap;
@@ -143,22 +141,14 @@ public class DragView extends View {
         setScaleY(initialScale);
 
         // Animate the view into the correct position
-        mAnim = LauncherAnimUtils.ofFloat(0f, 1f);
+        mAnim = ValueAnimator.ofFloat(0f, 1f);
         mAnim.setDuration(VIEW_ZOOM_DURATION);
-        mAnim.addUpdateListener(new AnimatorUpdateListener() {
-            @Override
-            public void onAnimationUpdate(ValueAnimator animation) {
-                final float value = (Float) animation.getAnimatedValue();
-
-                setScaleX(initialScale + (value * (scale - initialScale)));
-                setScaleY(initialScale + (value * (scale - initialScale)));
-                if (sDragAlpha != 1f) {
-                    setAlpha(sDragAlpha * value + (1f - value));
-                }
-
-                if (getParent() == null) {
-                    animation.cancel();
-                }
+        mAnim.addUpdateListener(animation -> {
+            final float value = (Float) animation.getAnimatedValue();
+            setScaleX(initialScale + (value * (scale - initialScale)));
+            setScaleY(initialScale + (value * (scale - initialScale)));
+            if (!isAttachedToWindow()) {
+                animation.cancel();
             }
         });
 
@@ -479,15 +469,12 @@ public class DragView extends View {
     }
 
     public void crossFade(int duration) {
-        ValueAnimator va = LauncherAnimUtils.ofFloat(0f, 1f);
+        ValueAnimator va = ValueAnimator.ofFloat(0f, 1f);
         va.setDuration(duration);
         va.setInterpolator(Interpolators.DEACCEL_1_5);
-        va.addUpdateListener(new AnimatorUpdateListener() {
-            @Override
-            public void onAnimationUpdate(ValueAnimator animation) {
-                mCrossFadeProgress = animation.getAnimatedFraction();
-                invalidate();
-            }
+        va.addUpdateListener(a -> {
+            mCrossFadeProgress = a.getAnimatedFraction();
+            invalidate();
         });
         va.start();
     }
diff --git a/src/com/android/launcher3/folder/FolderAnimationManager.java b/src/com/android/launcher3/folder/FolderAnimationManager.java
index 9ae377535..0c77f9ed1 100644
--- a/src/com/android/launcher3/folder/FolderAnimationManager.java
+++ b/src/com/android/launcher3/folder/FolderAnimationManager.java
@@ -27,7 +27,6 @@ import android.animation.ObjectAnimator;
 import android.animation.TimeInterpolator;
 import android.content.Context;
 import android.content.res.Resources;
-import android.graphics.Color;
 import android.graphics.Rect;
 import android.graphics.drawable.GradientDrawable;
 import android.support.v4.graphics.ColorUtils;
@@ -38,7 +37,6 @@ import android.view.animation.AnimationUtils;
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherAnimUtils;
 import com.android.launcher3.R;
 import com.android.launcher3.ShortcutAndWidgetContainer;
 import com.android.launcher3.Utilities;
@@ -170,7 +168,7 @@ public class FolderAnimationManager {
         float finalRadius = Utilities.pxFromDp(2, mContext.getResources().getDisplayMetrics());
 
         // Create the animators.
-        AnimatorSet a = LauncherAnimUtils.createAnimatorSet();
+        AnimatorSet a = new AnimatorSet();
 
         // Initialize the Folder items' text.
         PropertyResetListener colorResetListener =
diff --git a/src/com/android/launcher3/folder/FolderPreviewItemAnim.java b/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
index be075bc9a..1e56f7d15 100644
--- a/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
+++ b/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
@@ -17,22 +17,41 @@ package com.android.launcher3.folder;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
-import android.animation.ValueAnimator;
+import android.animation.FloatArrayEvaluator;
+import android.animation.ObjectAnimator;
+import android.util.Property;
 
-import com.android.launcher3.LauncherAnimUtils;
+import java.util.Arrays;
 
 /**
  * Animates a Folder preview item.
  */
 class FolderPreviewItemAnim {
 
+    private static final Property<FolderPreviewItemAnim, float[]> PARAMS =
+            new Property<FolderPreviewItemAnim, float[]>(float[].class, "params") {
+                @Override
+                public float[] get(FolderPreviewItemAnim anim) {
+                    sTempParamsArray[0] = anim.mParams.scale;
+                    sTempParamsArray[1] = anim.mParams.transX;
+                    sTempParamsArray[2] = anim.mParams.transY;
+                    return sTempParamsArray;
+                }
+
+                @Override
+                public void set(FolderPreviewItemAnim anim, float[] value) {
+                    anim.setParams(value);
+                }
+            };
+
     private static PreviewItemDrawingParams sTmpParams = new PreviewItemDrawingParams(0, 0, 0, 0);
+    private static final float[] sTempParamsArray = new float[3];
 
-    private ValueAnimator mValueAnimator;
+    private final ObjectAnimator mAnimator;
+    private final PreviewItemManager mItemManager;
+    private final PreviewItemDrawingParams mParams;
 
-    float finalScale;
-    float finalTransX;
-    float finalTransY;
+    public final float[] finalState;
 
     /**
      * @param params layout params to animate
@@ -43,33 +62,21 @@ class FolderPreviewItemAnim {
      * @param duration duration in ms of the animation
      * @param onCompleteRunnable runnable to execute upon animation completion
      */
-    FolderPreviewItemAnim(final PreviewItemManager previewItemManager,
-            final PreviewItemDrawingParams params, int index0, int items0, int index1, int items1,
+    FolderPreviewItemAnim(PreviewItemManager itemManager,
+            PreviewItemDrawingParams params, int index0, int items0, int index1, int items1,
             int duration, final Runnable onCompleteRunnable) {
-        previewItemManager.computePreviewItemDrawingParams(index1, items1, sTmpParams);
-
-        finalScale = sTmpParams.scale;
-        finalTransX = sTmpParams.transX;
-        finalTransY = sTmpParams.transY;
+        mItemManager = itemManager;
+        mParams = params;
 
-        previewItemManager.computePreviewItemDrawingParams(index0, items0, sTmpParams);
+        mItemManager.computePreviewItemDrawingParams(index1, items1, sTmpParams);
+        finalState = new float[] {sTmpParams.scale, sTmpParams.transX, sTmpParams.transY};
 
-        final float scale0 = sTmpParams.scale;
-        final float transX0 = sTmpParams.transX;
-        final float transY0 = sTmpParams.transY;
+        mItemManager.computePreviewItemDrawingParams(index0, items0, sTmpParams);
+        float[] startState = new float[] {sTmpParams.scale, sTmpParams.transX, sTmpParams.transY};
 
-        mValueAnimator = LauncherAnimUtils.ofFloat(0f, 1.0f);
-        mValueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener(){
-            public void onAnimationUpdate(ValueAnimator animation) {
-                float progress = animation.getAnimatedFraction();
-
-                params.transX = transX0 + progress * (finalTransX - transX0);
-                params.transY = transY0 + progress * (finalTransY - transY0);
-                params.scale = scale0 + progress * (finalScale - scale0);
-                previewItemManager.onParamsChanged();
-            }
-        });
-        mValueAnimator.addListener(new AnimatorListenerAdapter() {
+        mAnimator = ObjectAnimator.ofObject(this, PARAMS, new FloatArrayEvaluator(),
+                startState, finalState);
+        mAnimator.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationEnd(Animator animation) {
                 if (onCompleteRunnable != null) {
@@ -78,20 +85,26 @@ class FolderPreviewItemAnim {
                 params.anim = null;
             }
         });
-        mValueAnimator.setDuration(duration);
+        mAnimator.setDuration(duration);
+    }
+
+    private void setParams(float[] values) {
+        mParams.scale = values[0];
+        mParams.transX = values[1];
+        mParams.transY = values[2];
+        mItemManager.onParamsChanged();
     }
 
     public void start() {
-        mValueAnimator.start();
+        mAnimator.start();
     }
 
     public void cancel() {
-        mValueAnimator.cancel();
+        mAnimator.cancel();
     }
 
     public boolean hasEqualFinalState(FolderPreviewItemAnim anim) {
-        return finalTransY == anim.finalTransY && finalTransX == anim.finalTransX &&
-                finalScale == anim.finalScale;
+        return Arrays.equals(finalState, anim.finalState);
 
     }
 }
diff --git a/src/com/android/launcher3/folder/PreviewBackground.java b/src/com/android/launcher3/folder/PreviewBackground.java
index b162fcf32..86266e625 100644
--- a/src/com/android/launcher3/folder/PreviewBackground.java
+++ b/src/com/android/launcher3/folder/PreviewBackground.java
@@ -37,7 +37,6 @@ import android.view.View;
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherAnimUtils;
 import com.android.launcher3.R;
 import com.android.launcher3.util.Themes;
 
@@ -368,7 +367,7 @@ public class PreviewBackground {
             mScaleAnimator.cancel();
         }
 
-        mScaleAnimator = LauncherAnimUtils.ofFloat(0f, 1.0f);
+        mScaleAnimator = ValueAnimator.ofFloat(0f, 1.0f);
 
         mScaleAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
             @Override
@@ -400,37 +399,19 @@ public class PreviewBackground {
         mScaleAnimator.start();
     }
 
-    public void animateToAccept(final CellLayout cl, final int cellX, final int cellY) {
-        Runnable onStart = new Runnable() {
-            @Override
-            public void run() {
-                delegateDrawing(cl, cellX, cellY);
-            }
-        };
-        animateScale(ACCEPT_SCALE_FACTOR, ACCEPT_COLOR_MULTIPLIER, onStart, null);
+    public void animateToAccept(CellLayout cl, int cellX, int cellY) {
+        animateScale(ACCEPT_SCALE_FACTOR, ACCEPT_COLOR_MULTIPLIER,
+                () -> delegateDrawing(cl, cellX, cellY), null);
     }
 
     public void animateToRest() {
         // This can be called multiple times -- we need to make sure the drawing delegate
         // is saved and restored at the beginning of the animation, since cancelling the
         // existing animation can clear the delgate.
-        final CellLayout cl = mDrawingDelegate;
-        final int cellX = delegateCellX;
-        final int cellY = delegateCellY;
-
-        Runnable onStart = new Runnable() {
-            @Override
-            public void run() {
-                delegateDrawing(cl, cellX, cellY);
-            }
-        };
-        Runnable onEnd = new Runnable() {
-            @Override
-            public void run() {
-                clearDrawingDelegate();
-            }
-        };
-        animateScale(1f, 1f, onStart, onEnd);
+        CellLayout cl = mDrawingDelegate;
+        int cellX = delegateCellX;
+        int cellY = delegateCellY;
+        animateScale(1f, 1f, () -> delegateDrawing(cl, cellX, cellY), this::clearDrawingDelegate);
     }
 
     public int getBackgroundAlpha() {
diff --git a/src/com/android/launcher3/folder/PreviewItemDrawingParams.java b/src/com/android/launcher3/folder/PreviewItemDrawingParams.java
index 607b7caec..c81846256 100644
--- a/src/com/android/launcher3/folder/PreviewItemDrawingParams.java
+++ b/src/com/android/launcher3/folder/PreviewItemDrawingParams.java
@@ -40,8 +40,8 @@ class PreviewItemDrawingParams {
         // We ensure the update will not interfere with an animation on the layout params
         // If the final values differ, we cancel the animation.
         if (anim != null) {
-            if (anim.finalTransX == transX || anim.finalTransY == transY
-                    || anim.finalScale == scale) {
+            if (anim.finalState[1] == transX || anim.finalState[2] == transY
+                    || anim.finalState[0] == scale) {
                 return;
             }
             anim.cancel();
diff --git a/src/com/android/launcher3/notification/NotificationFooterLayout.java b/src/com/android/launcher3/notification/NotificationFooterLayout.java
index 66f525cb4..3cc936560 100644
--- a/src/com/android/launcher3/notification/NotificationFooterLayout.java
+++ b/src/com/android/launcher3/notification/NotificationFooterLayout.java
@@ -29,7 +29,6 @@ import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.LinearLayout;
 
-import com.android.launcher3.LauncherAnimUtils;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.PropertyListBuilder;
@@ -151,7 +150,7 @@ public class NotificationFooterLayout extends FrameLayout {
 
     public void animateFirstNotificationTo(Rect toBounds,
             final IconAnimationEndListener callback) {
-        AnimatorSet animation = LauncherAnimUtils.createAnimatorSet();
+        AnimatorSet animation = new AnimatorSet();
         final View firstNotification = mIconRow.getChildAt(mIconRow.getChildCount() - 1);
 
         Rect fromBounds = sTempRect;
diff --git a/src/com/android/launcher3/popup/ArrowPopup.java b/src/com/android/launcher3/popup/ArrowPopup.java
index e157482c6..3bf8bef1b 100644
--- a/src/com/android/launcher3/popup/ArrowPopup.java
+++ b/src/com/android/launcher3/popup/ArrowPopup.java
@@ -340,7 +340,7 @@ public abstract class ArrowPopup extends AbstractFloatingView {
     private void animateOpen() {
         setVisibility(View.VISIBLE);
 
-        final AnimatorSet openAnim = LauncherAnimUtils.createAnimatorSet();
+        final AnimatorSet openAnim = new AnimatorSet();
         final Resources res = getResources();
         final long revealDuration = (long) res.getInteger(R.integer.config_popupOpenCloseDuration);
         final TimeInterpolator revealInterpolator = new AccelerateDecelerateInterpolator();
@@ -388,7 +388,7 @@ public abstract class ArrowPopup extends AbstractFloatingView {
         }
         mIsOpen = false;
 
-        final AnimatorSet closeAnim = LauncherAnimUtils.createAnimatorSet();
+        final AnimatorSet closeAnim = new AnimatorSet();
         // Hide the arrow
         closeAnim.play(ObjectAnimator.ofFloat(mArrow, LauncherAnimUtils.SCALE_PROPERTY, 0));
         closeAnim.play(ObjectAnimator.ofFloat(mArrow, ALPHA, 0));