diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index 6584f88..9686510 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -362,10 +362,9 @@
 
     /** Gets the space that the overview actions will take, including bottom margin. */
     private int getOverviewActionsHeight(Context context, DeviceProfile dp) {
-        Resources res = context.getResources();
         return OverviewActionsView.getOverviewActionsBottomMarginPx(getNavigationMode(context), dp)
                 + OverviewActionsView.getOverviewActionsTopMarginPx(getNavigationMode(context), dp)
-                + res.getDimensionPixelSize(R.dimen.overview_actions_height);
+                + dp.overviewActionsHeight;
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index d8cbd36..5ef89d3 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -99,7 +99,7 @@
     private ILauncherUnlockAnimationController mPendingLauncherUnlockAnimationController;
     private IRecentTasksListener mRecentTasksListener;
     private final ArrayList<RemoteTransitionCompat> mRemoteTransitions = new ArrayList<>();
-    private IOnBackInvokedCallback mBackToLaunchCallback;
+    private IOnBackInvokedCallback mBackToLauncherCallback;
 
     // Used to dedupe calls to SystemUI
     private int mLastShelfHeight;
@@ -200,8 +200,8 @@
         if (mRecentTasksListener != null && mRecentTasks != null) {
             registerRecentTasksListener(mRecentTasksListener);
         }
-        if (mBackAnimation != null && mBackToLaunchCallback != null) {
-            setBackToLauncherCallback(mBackToLaunchCallback);
+        if (mBackAnimation != null && mBackToLauncherCallback != null) {
+            setBackToLauncherCallback(mBackToLauncherCallback);
         }
 
         if (mPendingSetNavButtonAlpha != null) {
@@ -836,7 +836,7 @@
 
     /** Sets the launcher {@link android.window.IOnBackInvokedCallback} to shell */
     public void setBackToLauncherCallback(IOnBackInvokedCallback callback) {
-        mBackToLaunchCallback = callback;
+        mBackToLauncherCallback = callback;
         if (mBackAnimation == null) {
             return;
         }
@@ -849,6 +849,7 @@
 
     /** Clears the previously registered {@link IOnBackInvokedCallback}. */
     public void clearBackToLauncherCallback() {
+        mBackToLauncherCallback = null;
         if (mBackAnimation == null) {
             return;
         }
diff --git a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
index 0fa2b24..6b15807 100644
--- a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
+++ b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
@@ -216,14 +216,12 @@
 
             // Align vertically, using taskbar height + mDp.taskbarOffsetY() to estimate where
             // the button nav top is.
-            View startActionView = findViewById(R.id.action_screenshot);
             int marginBottom = getOverviewActionsBottomMarginPx(
                     DisplayController.getNavigationMode(getContext()), mDp);
             int actionsTop =
-                    (mDp.heightPx - marginBottom - mInsets.bottom) - startActionView.getHeight();
+                    (mDp.heightPx - marginBottom - mInsets.bottom) - mDp.overviewActionsHeight;
             int navTop = mDp.heightPx - (mDp.taskbarSize + mDp.getTaskbarOffsetY());
-            int transY = navTop - actionsTop
-                    + ((mDp.taskbarSize - startActionView.getHeight()) / 2);
+            int transY = navTop - actionsTop + ((mDp.taskbarSize - mDp.overviewActionsHeight) / 2);
             setTranslationY(transY);
         } else {
             setPadding(mInsets.left, 0, mInsets.right, 0);
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 3e666fc..2b599bc 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -345,6 +345,7 @@
     <dimen name="task_thumbnail_icon_drawable_size_grid">0dp</dimen>
     <dimen name="overview_task_margin">0dp</dimen>
     <dimen name="overview_task_margin_grid">0dp</dimen>
+    <dimen name="overview_actions_height">0dp</dimen>
     <dimen name="overview_actions_button_spacing">0dp</dimen>
     <dimen name="overview_actions_margin_gesture">0dp</dimen>
     <dimen name="overview_actions_top_margin_gesture">0dp</dimen>
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 1b333d8..39020bd 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -191,6 +191,7 @@
     public int overviewTaskIconDrawableSizePx;
     public int overviewTaskIconDrawableSizeGridPx;
     public int overviewTaskThumbnailTopMarginPx;
+    public final int overviewActionsHeight;
     public final int overviewActionsMarginThreeButtonPx;
     public final int overviewActionsTopMarginGesturePx;
     public final int overviewActionsBottomMarginGesturePx;
@@ -407,6 +408,7 @@
         overviewPageSpacing = res.getDimensionPixelSize(R.dimen.overview_page_spacing);
         overviewActionsButtonSpacing = res.getDimensionPixelSize(
                 R.dimen.overview_actions_button_spacing);
+        overviewActionsHeight = res.getDimensionPixelSize(R.dimen.overview_actions_height);
         overviewActionsMarginThreeButtonPx = res.getDimensionPixelSize(
                 R.dimen.overview_actions_margin_three_button);
         // Grid task's top margin is only overviewTaskIconSizePx + overviewTaskMarginGridPx, but