diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index 360e060..abf84dd 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -16,6 +16,7 @@
 
 package com.android.launcher3;
 
+import static com.android.launcher3.config.FeatureFlags.ENABLE_CURSOR_HOVER_STATES;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_DOWNLOAD_APP_UX_V2;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_ICON_LABEL_AUTO_SCALING;
 import static com.android.launcher3.graphics.PreloadIconDrawable.newPendingIcon;
@@ -152,7 +153,7 @@
 
     private final CheckLongPressHelper mLongPressHelper;
 
-    private final boolean mLayoutHorizontal;
+    private boolean mLayoutHorizontal;
     private final boolean mIsRtl;
     private final int mIconSize;
 
@@ -197,6 +198,7 @@
     public BubbleTextView(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
         mActivity = ActivityContext.lookupContext(context);
+        FastBitmapDrawable.setFlagHoverEnabled(ENABLE_CURSOR_HOVER_STATES.get());
 
         TypedArray a = context.obtainStyledAttributes(attrs,
                 R.styleable.BubbleTextView, defStyle, 0);
@@ -666,6 +668,18 @@
     }
 
     /**
+     * Sets whether the layout is horizontal.
+     */
+    public void setLayoutHorizontal(boolean layoutHorizontal) {
+        if (mLayoutHorizontal == layoutHorizontal) {
+            return;
+        }
+
+        mLayoutHorizontal = layoutHorizontal;
+        applyCompoundDrawables(getIconOrTransparentColor());
+    }
+
+    /**
      * Sets whether to vertically center the content.
      */
     public void setCenterVertically(boolean centerVertically) {
@@ -991,10 +1005,14 @@
         if (!mIsIconVisible) {
             resetIconScale();
         }
-        Drawable icon = visible ? mIcon : new ColorDrawable(Color.TRANSPARENT);
+        Drawable icon = getIconOrTransparentColor();
         applyCompoundDrawables(icon);
     }
 
+    private Drawable getIconOrTransparentColor() {
+        return mIsIconVisible ? mIcon : new ColorDrawable(Color.TRANSPARENT);
+    }
+
     /** Sets the icon visual state to disabled or not. */
     public void setIconDisabled(boolean isDisabled) {
         if (mIcon != null) {
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 4674401..08e5def 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -245,6 +245,7 @@
         // the user where a dragged item will land when dropped.
         setWillNotDraw(false);
         setClipToPadding(false);
+        setClipChildren(false);
         mActivity = ActivityContext.lookupContext(context);
         DeviceProfile deviceProfile = mActivity.getDeviceProfile();
 
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 94ab442..ffb8b82 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -198,6 +198,7 @@
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.util.ActivityResultInfo;
 import com.android.launcher3.util.ActivityTracker;
+import com.android.launcher3.util.CannedAnimationCoordinator;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSet;
@@ -421,6 +422,9 @@
     private StartupLatencyLogger mStartupLatencyLogger;
     private CellPosMapper mCellPosMapper = CellPosMapper.DEFAULT;
 
+    private final CannedAnimationCoordinator mAnimationCoordinator =
+            new CannedAnimationCoordinator(this);
+
     @Override
     @TargetApi(Build.VERSION_CODES.S)
     protected void onCreate(Bundle savedInstanceState) {
@@ -3422,4 +3426,11 @@
     public void launchAppPair(WorkspaceItemInfo app1, WorkspaceItemInfo app2) {
         // Overridden
     }
+
+    /**
+     * Returns the animation coordinator for playing one-off animations
+     */
+    public CannedAnimationCoordinator getAnimationCoordinator() {
+        return mAnimationCoordinator;
+    }
 }
diff --git a/src/com/android/launcher3/ShortcutAndWidgetContainer.java b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
index 07b71b3..f0fea61 100644
--- a/src/com/android/launcher3/ShortcutAndWidgetContainer.java
+++ b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
@@ -66,6 +66,7 @@
         mActivity = ActivityContext.lookupContext(context);
         mWallpaperManager = WallpaperManager.getInstance(context);
         mContainerType = containerType;
+        setClipChildren(false);
     }
 
     public void setCellDimensions(int cellWidth, int cellHeight, int countX, int countY,
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 38aa387..9bc2a0a 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -409,12 +409,12 @@
 
     // TODO(Block 33): Clean up flags
     public static final BooleanFlag ENABLE_ALL_APPS_RV_PREINFLATION = getDebugFlag(288161355,
-            "ENABLE_ALL_APPS_RV_PREINFLATION", DISABLED,
+            "ENABLE_ALL_APPS_RV_PREINFLATION", ENABLED,
             "Enables preinflating all apps icons to avoid scrolling jank.");
 
     // TODO(Block 34): Clean up flags
     public static final BooleanFlag ALL_APPS_GONE_VISIBILITY = getDebugFlag(291651514,
-            "ALL_APPS_GONE_VISIBILITY", DISABLED,
+            "ALL_APPS_GONE_VISIBILITY", ENABLED,
             "Set all apps container view's hidden visibility to GONE instead of INVISIBLE.");
 
     // TODO(Block 35): Empty block
diff --git a/src/com/android/launcher3/util/CannedAnimationCoordinator.kt b/src/com/android/launcher3/util/CannedAnimationCoordinator.kt
new file mode 100644
index 0000000..18f8339
--- /dev/null
+++ b/src/com/android/launcher3/util/CannedAnimationCoordinator.kt
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.launcher3.util
+
+import android.animation.AnimatorSet
+import android.animation.ValueAnimator
+import android.util.Log
+import android.view.ViewTreeObserver.OnGlobalLayoutListener
+import androidx.core.view.OneShotPreDrawListener
+import com.android.app.animation.Interpolators.LINEAR
+import com.android.launcher3.anim.AnimatorListeners
+import com.android.launcher3.anim.AnimatorPlaybackController
+import com.android.launcher3.anim.PendingAnimation
+import com.android.launcher3.statemanager.StatefulActivity
+import java.util.function.Consumer
+
+private const val TAG = "CannedAnimCoordinator"
+
+/**
+ * Utility class to run a canned animation on Launcher.
+ *
+ * This class takes care to registering animations with stateManager and ensures that only one
+ * animation is playing at a time.
+ */
+class CannedAnimationCoordinator(private val activity: StatefulActivity<*>) {
+
+    private val launcherLayoutListener = OnGlobalLayoutListener { scheduleRecreateAnimOnPreDraw() }
+    private var recreatePending = false
+
+    private var animationProvider: Any? = null
+
+    private var animationDuration: Long = 0L
+    private var animationFactory: Consumer<PendingAnimation>? = null
+    private var animationController: AnimatorPlaybackController? = null
+
+    private var currentAnim: AnimatorPlaybackController? = null
+
+    /**
+     * Sets the current animation cancelling any previously set animation.
+     *
+     * Callers can control the animation using {@link #getPlaybackController}. The state is
+     * automatically cleared when the playback controller ends. The animation is automatically
+     * recreated when any layout change happens. Callers can also ask for recreation by calling
+     * {@link #recreateAnimation}
+     */
+    fun setAnimation(provider: Any, factory: Consumer<PendingAnimation>, duration: Long) {
+        if (provider != animationProvider) {
+            Log.e(TAG, "Trying to play two animations together, $provider and $animationProvider")
+        }
+
+        // Cancel any previously running animation
+        endCurrentAnimation(false)
+        animationController?.dispatchOnCancel()?.dispatchOnEnd()
+
+        animationProvider = provider
+        animationFactory = factory
+        animationDuration = duration
+
+        // Setup a new controller and link it with launcher state animation
+        val anim = AnimatorSet()
+        anim.play(
+            ValueAnimator.ofFloat(0f, 1f).apply {
+                interpolator = LINEAR
+                this.duration = duration
+                addUpdateListener { anim -> currentAnim?.setPlayFraction(anim.animatedFraction) }
+            }
+        )
+        val controller = AnimatorPlaybackController.wrap(anim, duration)
+        anim.addListener(
+            AnimatorListeners.forEndCallback { success ->
+                if (animationController != controller) {
+                    return@forEndCallback
+                }
+
+                endCurrentAnimation(success)
+                animationController = null
+                animationFactory = null
+                animationProvider = null
+
+                activity.rootView.viewTreeObserver.apply {
+                    if (isAlive) {
+                        removeOnGlobalLayoutListener(launcherLayoutListener)
+                    }
+                }
+            }
+        )
+
+        // Recreate animation whenever layout happens in case transforms change during layout
+        activity.rootView.viewTreeObserver.apply {
+            if (isAlive) {
+                addOnGlobalLayoutListener(launcherLayoutListener)
+            }
+        }
+        // Link this to the state manager so that it auto-cancels when state changes
+        recreatePending = false
+        animationController =
+            controller.apply { activity.stateManager.setCurrentUserControlledAnimation(this) }
+        recreateAnimation(provider)
+    }
+
+    private fun endCurrentAnimation(success: Boolean) {
+        currentAnim?.apply {
+            // When cancelling an animation, apply final progress so that all transformations
+            // are restored
+            setPlayFraction(1f)
+            if (!success) dispatchOnCancel()
+            dispatchOnEnd()
+        }
+        currentAnim = null
+    }
+
+    /** Returns the current animation controller to control the animation */
+    fun getPlaybackController(provider: Any): AnimatorPlaybackController? {
+        return if (provider == animationProvider) animationController
+        else {
+            Log.d(TAG, "Wrong controller access from $provider, actual provider $animationProvider")
+            null
+        }
+    }
+
+    private fun scheduleRecreateAnimOnPreDraw() {
+        if (!recreatePending) {
+            recreatePending = true
+            OneShotPreDrawListener.add(activity.rootView) {
+                if (recreatePending) {
+                    recreatePending = false
+                    animationProvider?.apply { recreateAnimation(this) }
+                }
+            }
+        }
+    }
+
+    /** Notify the controller to recreate the animation. The animation progress is preserved */
+    fun recreateAnimation(provider: Any) {
+        if (provider != animationProvider) {
+            Log.e(TAG, "Ignore recreate request from $provider, actual provider $animationProvider")
+            return
+        }
+        endCurrentAnimation(false /* success */)
+
+        if (animationFactory == null || animationController == null) {
+            return
+        }
+        currentAnim =
+            PendingAnimation(animationDuration)
+                .apply { animationFactory?.accept(this) }
+                .createPlaybackController()
+                .apply { setPlayFraction(animationController!!.progressFraction) }
+    }
+}
diff --git a/src/com/android/launcher3/util/MultiScalePropertyFactory.java b/src/com/android/launcher3/util/MultiScalePropertyFactory.java
index a7e6cc8..cf8d6cc 100644
--- a/src/com/android/launcher3/util/MultiScalePropertyFactory.java
+++ b/src/com/android/launcher3/util/MultiScalePropertyFactory.java
@@ -40,8 +40,7 @@
     private static final boolean DEBUG = false;
     private static final String TAG = "MultiScaleProperty";
     private final String mName;
-    private final ArrayMap<Integer, MultiScaleProperty> mProperties =
-            new ArrayMap<Integer, MultiScaleProperty>();
+    private final ArrayMap<Integer, MultiScaleProperty> mProperties = new ArrayMap<>();
 
     // This is an optimization for cases when set is called repeatedly with the same setterIndex.
     private float mMinOfOthers = 0;
@@ -55,7 +54,7 @@
     }
 
     /** Returns the [MultiFloatProperty] associated with [inx], creating it if not present. */
-    public MultiScaleProperty get(Integer index) {
+    public FloatProperty<T> get(Integer index) {
         return mProperties.computeIfAbsent(index,
                 (k) -> new MultiScaleProperty(index, mName + "_" + index));
     }
diff --git a/tests/src/com/android/launcher3/icons/FastBitmapDrawableTest.java b/tests/src/com/android/launcher3/icons/FastBitmapDrawableTest.java
new file mode 100644
index 0000000..038c98b
--- /dev/null
+++ b/tests/src/com/android/launcher3/icons/FastBitmapDrawableTest.java
@@ -0,0 +1,329 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.icons;
+
+import static com.android.launcher3.icons.FastBitmapDrawable.CLICK_FEEDBACK_DURATION;
+import static com.android.launcher3.icons.FastBitmapDrawable.HOVERED_SCALE;
+import static com.android.launcher3.icons.FastBitmapDrawable.HOVER_FEEDBACK_DURATION;
+import static com.android.launcher3.icons.FastBitmapDrawable.PRESSED_SCALE;
+import static com.android.launcher3.icons.FastBitmapDrawable.SCALE;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.clearInvocations;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.graphics.Bitmap;
+import android.view.animation.AccelerateInterpolator;
+import android.view.animation.DecelerateInterpolator;
+import android.view.animation.PathInterpolator;
+
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Spy;
+
+/**
+ * Tests for FastBitmapDrawable.
+ */
+@SmallTest
+@UiThreadTest
+@RunWith(AndroidJUnit4.class)
+public class FastBitmapDrawableTest {
+    private static final float EPSILON = 0.00001f;
+
+    @Spy
+    FastBitmapDrawable mFastBitmapDrawable =
+            spy(new FastBitmapDrawable(Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888)));
+
+    @Before
+    public void setUp() {
+        FastBitmapDrawable.setFlagHoverEnabled(true);
+        when(mFastBitmapDrawable.isVisible()).thenReturn(true);
+        mFastBitmapDrawable.mIsPressed = false;
+        mFastBitmapDrawable.mIsHovered = false;
+        mFastBitmapDrawable.resetScale();
+    }
+
+    @Test
+    public void testOnStateChange_noState() {
+        int[] state = new int[]{};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // No scale changes without state change.
+        assertFalse("State change handled.", isHandled);
+        assertNull("Scale animation not null.", mFastBitmapDrawable.mScaleAnimation);
+    }
+
+    @Test
+    public void testOnStateChange_statePressed() {
+        int[] state = new int[]{android.R.attr.state_pressed};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // Animate to state pressed.
+        assertTrue("State change not handled.", isHandled);
+        assertEquals("Duration not correct.", mFastBitmapDrawable.mScaleAnimation.getDuration(),
+                CLICK_FEEDBACK_DURATION);
+        mFastBitmapDrawable.mScaleAnimation.end();
+        assertEquals("End value not correct.",
+                (float) SCALE.get(mFastBitmapDrawable), PRESSED_SCALE, EPSILON);
+        assertTrue("Wrong interpolator used.",
+                mFastBitmapDrawable.mScaleAnimation.getInterpolator()
+                        instanceof AccelerateInterpolator);
+    }
+
+    @Test
+    public void testOnStateChange_stateHovered() {
+        int[] state = new int[]{android.R.attr.state_hovered};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // Animate to state hovered.
+        assertTrue("State change not handled.", isHandled);
+        assertEquals("Duration not correct.", mFastBitmapDrawable.mScaleAnimation.getDuration(),
+                HOVER_FEEDBACK_DURATION);
+        mFastBitmapDrawable.mScaleAnimation.end();
+        assertEquals("End value not correct.",
+                (float) SCALE.get(mFastBitmapDrawable), HOVERED_SCALE, EPSILON);
+        assertTrue("Wrong interpolator used.",
+                mFastBitmapDrawable.mScaleAnimation.getInterpolator() instanceof PathInterpolator);
+    }
+
+    @Test
+    public void testOnStateChange_stateHoveredFlagDisabled() {
+        FastBitmapDrawable.setFlagHoverEnabled(false);
+        int[] state = new int[]{android.R.attr.state_hovered};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // No state change with flag disabled.
+        assertFalse("Hover state change handled with flag disabled.", isHandled);
+        assertNull("Animation should not run with hover flag disabled.",
+                mFastBitmapDrawable.mScaleAnimation);
+    }
+
+    @Test
+    public void testOnStateChange_statePressedAndHovered() {
+        int[] state = new int[]{android.R.attr.state_pressed, android.R.attr.state_hovered};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // Animate to pressed state only.
+        assertTrue("State change not handled.", isHandled);
+        assertEquals("Duration not correct.", mFastBitmapDrawable.mScaleAnimation.getDuration(),
+                CLICK_FEEDBACK_DURATION);
+        mFastBitmapDrawable.mScaleAnimation.end();
+        assertEquals("End value not correct.",
+                (float) SCALE.get(mFastBitmapDrawable), PRESSED_SCALE, EPSILON);
+        assertTrue("Wrong interpolator used.",
+                mFastBitmapDrawable.mScaleAnimation.getInterpolator()
+                        instanceof AccelerateInterpolator);
+    }
+
+    @Test
+    public void testOnStateChange_stateHoveredAndPressed() {
+        int[] state = new int[]{android.R.attr.state_hovered, android.R.attr.state_pressed};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // Animate to pressed state only.
+        assertTrue("State change not handled.", isHandled);
+        assertEquals("Duration not correct.", mFastBitmapDrawable.mScaleAnimation.getDuration(),
+                CLICK_FEEDBACK_DURATION);
+        mFastBitmapDrawable.mScaleAnimation.end();
+        assertEquals("End value not correct.",
+                (float) SCALE.get(mFastBitmapDrawable), PRESSED_SCALE, EPSILON);
+        assertTrue("Wrong interpolator used.",
+                mFastBitmapDrawable.mScaleAnimation.getInterpolator()
+                        instanceof AccelerateInterpolator);
+    }
+
+    @Test
+    public void testOnStateChange_stateHoveredAndPressedToPressed() {
+        mFastBitmapDrawable.mIsPressed = true;
+        mFastBitmapDrawable.mIsHovered = true;
+        SCALE.setValue(mFastBitmapDrawable, PRESSED_SCALE);
+        int[] state = new int[]{android.R.attr.state_pressed};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // No scale change from pressed state to pressed state.
+        assertTrue("State not changed.", isHandled);
+        assertEquals("End value not correct.",
+                (float) SCALE.get(mFastBitmapDrawable), PRESSED_SCALE, EPSILON);
+    }
+
+    @Test
+    public void testOnStateChange_stateHoveredAndPressedToHovered() {
+        mFastBitmapDrawable.mIsPressed = true;
+        mFastBitmapDrawable.mIsHovered = true;
+        SCALE.setValue(mFastBitmapDrawable, PRESSED_SCALE);
+        int[] state = new int[]{android.R.attr.state_hovered};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // No scale change from pressed state to hovered state.
+        assertTrue("State not changed.", isHandled);
+        assertEquals("End value not correct.",
+                (float) SCALE.get(mFastBitmapDrawable), HOVERED_SCALE, EPSILON);
+    }
+
+    @Test
+    public void testOnStateChange_stateHoveredToPressed() {
+        mFastBitmapDrawable.mIsHovered = true;
+        SCALE.setValue(mFastBitmapDrawable, HOVERED_SCALE);
+        int[] state = new int[]{android.R.attr.state_pressed};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // No scale change from pressed state to hovered state.
+        assertTrue("State not changed.", isHandled);
+        assertEquals("End value not correct.",
+                (float) SCALE.get(mFastBitmapDrawable), PRESSED_SCALE, EPSILON);
+    }
+
+    @Test
+    public void testOnStateChange_statePressedToHovered() {
+        mFastBitmapDrawable.mIsPressed = true;
+        SCALE.setValue(mFastBitmapDrawable, PRESSED_SCALE);
+        int[] state = new int[]{android.R.attr.state_hovered};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // No scale change from pressed state to hovered state.
+        assertTrue("State not changed.", isHandled);
+        assertEquals("End value not correct.",
+                (float) SCALE.get(mFastBitmapDrawable), HOVERED_SCALE, EPSILON);
+    }
+
+    @Test
+    public void testOnStateChange_stateDefaultFromPressed() {
+        mFastBitmapDrawable.mIsPressed = true;
+        SCALE.setValue(mFastBitmapDrawable, PRESSED_SCALE);
+        int[] state = new int[]{};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // Animate to default state from pressed state.
+        assertTrue("State change not handled.", isHandled);
+        assertEquals("Duration not correct.", mFastBitmapDrawable.mScaleAnimation.getDuration(),
+                CLICK_FEEDBACK_DURATION);
+        mFastBitmapDrawable.mScaleAnimation.end();
+        assertEquals("End value not correct.", (float) SCALE.get(mFastBitmapDrawable), 1f, EPSILON);
+        assertTrue("Wrong interpolator used.",
+                mFastBitmapDrawable.mScaleAnimation.getInterpolator()
+                        instanceof DecelerateInterpolator);
+    }
+
+    @Test
+    public void testOnStateChange_stateDefaultFromHovered() {
+        mFastBitmapDrawable.mIsHovered = true;
+        SCALE.setValue(mFastBitmapDrawable, HOVERED_SCALE);
+        int[] state = new int[]{};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // Animate to default state from hovered state.
+        assertTrue("State change not handled.", isHandled);
+        assertEquals("Duration not correct.", mFastBitmapDrawable.mScaleAnimation.getDuration(),
+                HOVER_FEEDBACK_DURATION);
+        mFastBitmapDrawable.mScaleAnimation.end();
+        assertEquals("End value not correct.", (float) SCALE.get(mFastBitmapDrawable), 1f, EPSILON);
+        assertTrue("Wrong interpolator used.",
+                mFastBitmapDrawable.mScaleAnimation.getInterpolator() instanceof PathInterpolator);
+    }
+
+    @Test
+    public void testOnStateChange_stateHoveredWhilePartiallyScaled() {
+        SCALE.setValue(mFastBitmapDrawable, 0.5f);
+        int[] state = new int[]{android.R.attr.state_hovered};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // Animate to hovered state from midway to pressed state.
+        assertTrue("State change not handled.", isHandled);
+        assertEquals("Duration not correct.",
+                mFastBitmapDrawable.mScaleAnimation.getDuration(), HOVER_FEEDBACK_DURATION);
+        mFastBitmapDrawable.mScaleAnimation.end();
+        assertEquals("End value not correct.",
+                (float) SCALE.get(mFastBitmapDrawable), HOVERED_SCALE, EPSILON);
+        assertTrue("Wrong interpolator used.",
+                mFastBitmapDrawable.mScaleAnimation.getInterpolator() instanceof PathInterpolator);
+    }
+
+    @Test
+    public void testOnStateChange_statePressedWhilePartiallyScaled() {
+        SCALE.setValue(mFastBitmapDrawable, 0.5f);
+        int[] state = new int[]{android.R.attr.state_pressed};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // Animate to pressed state from midway to hovered state.
+        assertTrue("State change not handled.", isHandled);
+        assertEquals("Duration not correct.",
+                mFastBitmapDrawable.mScaleAnimation.getDuration(), CLICK_FEEDBACK_DURATION);
+        mFastBitmapDrawable.mScaleAnimation.end();
+        assertEquals("End value not correct.",
+                (float) SCALE.get(mFastBitmapDrawable), PRESSED_SCALE, EPSILON);
+        assertTrue("Wrong interpolator used.",
+                mFastBitmapDrawable.mScaleAnimation.getInterpolator()
+                        instanceof AccelerateInterpolator);
+    }
+
+    @Test
+    public void testOnStateChange_stateDefaultFromPressedNotVisible() {
+        when(mFastBitmapDrawable.isVisible()).thenReturn(false);
+        mFastBitmapDrawable.mIsPressed = true;
+        SCALE.setValue(mFastBitmapDrawable, PRESSED_SCALE);
+        clearInvocations(mFastBitmapDrawable);
+        int[] state = new int[]{};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // No animations when state was pressed but drawable no longer visible. Set values directly.
+        assertTrue("State change not handled.", isHandled);
+        assertNull("Scale animation not null.", mFastBitmapDrawable.mScaleAnimation);
+        assertEquals("End value not correct.", (float) SCALE.get(mFastBitmapDrawable), 1f, EPSILON);
+        verify(mFastBitmapDrawable).invalidateSelf();
+    }
+
+    @Test
+    public void testOnStateChange_stateDefaultFromHoveredNotVisible() {
+        when(mFastBitmapDrawable.isVisible()).thenReturn(false);
+        mFastBitmapDrawable.mIsHovered = true;
+        SCALE.setValue(mFastBitmapDrawable, HOVERED_SCALE);
+        clearInvocations(mFastBitmapDrawable);
+        int[] state = new int[]{};
+
+        boolean isHandled = mFastBitmapDrawable.onStateChange(state);
+
+        // No animations when state was hovered but drawable no longer visible. Set values directly.
+        assertTrue("State change not handled.", isHandled);
+        assertNull("Scale animation not null.", mFastBitmapDrawable.mScaleAnimation);
+        assertEquals("End value not correct.", (float) SCALE.get(mFastBitmapDrawable), 1f, EPSILON);
+        verify(mFastBitmapDrawable).invalidateSelf();
+    }
+}
diff --git a/tests/src/com/android/launcher3/util/TestUtil.java b/tests/src/com/android/launcher3/util/TestUtil.java
index 4cd6c53..21059e6 100644
--- a/tests/src/com/android/launcher3/util/TestUtil.java
+++ b/tests/src/com/android/launcher3/util/TestUtil.java
@@ -67,6 +67,7 @@
     private static final String TAG = "TestUtil";
 
     public static final String DUMMY_PACKAGE = "com.example.android.aardwolf";
+    public static final String DUMMY_CLASS_NAME = "com.example.android.aardwolf.Activity1";
     public static final long DEFAULT_UI_TIMEOUT = 10000;
 
     public static void installDummyApp() throws IOException {